Mercurial > cpython-lru_cache-weakref

annotate Modules/zlib/gzwrite.c @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 1aba7339fa6c
children 224aa49f22f1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
64292
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
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1 /* gzwrite.c -- zlib functions for writing gzip files
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2 * Copyright (C) 2004, 2005, 2010 Mark Adler
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3 * For conditions of distribution and use, see copyright notice in zlib.h
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4 */
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5
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6 #include "gzguts.h"
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7
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8 /* Local functions */
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9 local int gz_init OF((gz_statep));
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10 local int gz_comp OF((gz_statep, int));
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11 local int gz_zero OF((gz_statep, z_off64_t));
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12
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13 /* Initialize state for writing a gzip file. Mark initialization by setting
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14 state->size to non-zero. Return -1 on failure or 0 on success. */
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15 local int gz_init(state)
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16 gz_statep state;
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17 {
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18 int ret;
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19 z_streamp strm = &(state->strm);
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20
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21 /* allocate input and output buffers */
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22 state->in = malloc(state->want);
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23 state->out = malloc(state->want);
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24 if (state->in == NULL || state->out == NULL) {
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25 if (state->out != NULL)
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26 free(state->out);
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27 if (state->in != NULL)
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28 free(state->in);
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29 gz_error(state, Z_MEM_ERROR, "out of memory");
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30 return -1;
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31 }
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32
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33 /* allocate deflate memory, set up for gzip compression */
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34 strm->zalloc = Z_NULL;
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35 strm->zfree = Z_NULL;
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36 strm->opaque = Z_NULL;
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37 ret = deflateInit2(strm, state->level, Z_DEFLATED,
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38 15 + 16, 8, state->strategy);
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39 if (ret != Z_OK) {
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40 free(state->in);
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41 gz_error(state, Z_MEM_ERROR, "out of memory");
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42 return -1;
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43 }
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44
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45 /* mark state as initialized */
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46 state->size = state->want;
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47
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48 /* initialize write buffer */
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49 strm->avail_out = state->size;
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50 strm->next_out = state->out;
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51 state->next = strm->next_out;
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52 return 0;
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53 }
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54
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55 /* Compress whatever is at avail_in and next_in and write to the output file.
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56 Return -1 if there is an error writing to the output file, otherwise 0.
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57 flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH,
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58 then the deflate() state is reset to start a new gzip stream. */
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59 local int gz_comp(state, flush)
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60 gz_statep state;
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61 int flush;
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62 {
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63 int ret, got;
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64 unsigned have;
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65 z_streamp strm = &(state->strm);
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66
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67 /* allocate memory if this is the first time through */
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68 if (state->size == 0 && gz_init(state) == -1)
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69 return -1;
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70
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71 /* run deflate() on provided input until it produces no more output */
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72 ret = Z_OK;
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73 do {
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74 /* write out current buffer contents if full, or if flushing, but if
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75 doing Z_FINISH then don't write until we get to Z_STREAM_END */
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76 if (strm->avail_out == 0 || (flush != Z_NO_FLUSH &&
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77 (flush != Z_FINISH || ret == Z_STREAM_END))) {
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78 have = (unsigned)(strm->next_out - state->next);
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79 if (have && ((got = write(state->fd, state->next, have)) < 0 ||
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80 (unsigned)got != have)) {
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81 gz_error(state, Z_ERRNO, zstrerror());
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82 return -1;
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83 }
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84 if (strm->avail_out == 0) {
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85 strm->avail_out = state->size;
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86 strm->next_out = state->out;
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87 }
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88 state->next = strm->next_out;
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89 }
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90
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91 /* compress */
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92 have = strm->avail_out;
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93 ret = deflate(strm, flush);
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94 if (ret == Z_STREAM_ERROR) {
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95 gz_error(state, Z_STREAM_ERROR,
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96 "internal error: deflate stream corrupt");
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97 return -1;
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98 }
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99 have -= strm->avail_out;
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100 } while (have);
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101
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102 /* if that completed a deflate stream, allow another to start */
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103 if (flush == Z_FINISH)
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104 deflateReset(strm);
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105
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106 /* all done, no errors */
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107 return 0;
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108 }
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109
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110 /* Compress len zeros to output. Return -1 on error, 0 on success. */
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111 local int gz_zero(state, len)
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112 gz_statep state;
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113 z_off64_t len;
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114 {
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115 int first;
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116 unsigned n;
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117 z_streamp strm = &(state->strm);
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118
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119 /* consume whatever's left in the input buffer */
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120 if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
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121 return -1;
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122
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123 /* compress len zeros (len guaranteed > 0) */
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124 first = 1;
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125 while (len) {
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diff changeset
126 n = GT_OFF(state->size) || (z_off64_t)state->size > len ?
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
127 (unsigned)len : state->size;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
128 if (first) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
129 memset(state->in, 0, n);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
130 first = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
131 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
132 strm->avail_in = n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
133 strm->next_in = state->in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
134 state->pos += n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
135 if (gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
136 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
137 len -= n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
138 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
139 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
140 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
141
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
142 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
143 int ZEXPORT gzwrite(file, buf, len)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
144 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
145 voidpc buf;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
146 unsigned len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
147 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
148 unsigned put = len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
149 unsigned n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
150 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
151 z_streamp strm;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
152
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
153 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
154 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
155 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
156 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
157 strm = &(state->strm);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
158
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
159 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
160 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
161 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
162
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
163 /* since an int is returned, make sure len fits in one, otherwise return
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
164 with an error (this avoids the flaw in the interface) */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
165 if ((int)len < 0) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
166 gz_error(state, Z_BUF_ERROR, "requested length does not fit in int");
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
167 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
168 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
169
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
170 /* if len is zero, avoid unnecessary operations */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
171 if (len == 0)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
172 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
173
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
174 /* allocate memory if this is the first time through */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
175 if (state->size == 0 && gz_init(state) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
176 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
177
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
178 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
179 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
180 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
181 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
182 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
183 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
184
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
185 /* for small len, copy to input buffer, otherwise compress directly */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
186 if (len < state->size) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
187 /* copy to input buffer, compress when full */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
188 do {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
189 if (strm->avail_in == 0)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
190 strm->next_in = state->in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
191 n = state->size - strm->avail_in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
192 if (n > len)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
193 n = len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
194 memcpy(strm->next_in + strm->avail_in, buf, n);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
195 strm->avail_in += n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
196 state->pos += n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
197 buf = (char *)buf + n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
198 len -= n;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
199 if (len && gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
200 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
201 } while (len);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
202 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
203 else {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
204 /* consume whatever's left in the input buffer */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
205 if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
206 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
207
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
208 /* directly compress user buffer to file */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
209 strm->avail_in = len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
210 strm->next_in = (voidp)buf;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
211 state->pos += len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
212 if (gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
213 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
214 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
215
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
216 /* input was all buffered or compressed (put will fit in int) */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
217 return (int)put;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
218 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
219
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
220 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
221 int ZEXPORT gzputc(file, c)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
222 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
223 int c;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
224 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
225 unsigned char buf[1];
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
226 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
227 z_streamp strm;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
228
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
229 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
230 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
231 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
232 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
233 strm = &(state->strm);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
234
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
235 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
236 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
237 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
238
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
239 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
240 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
241 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
242 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
243 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
244 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
245
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
246 /* try writing to input buffer for speed (state->size == 0 if buffer not
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
247 initialized) */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
248 if (strm->avail_in < state->size) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
249 if (strm->avail_in == 0)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
250 strm->next_in = state->in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
251 strm->next_in[strm->avail_in++] = c;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
252 state->pos++;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
253 return c;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
254 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
255
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
256 /* no room in buffer or not initialized, use gz_write() */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
257 buf[0] = c;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
258 if (gzwrite(file, buf, 1) != 1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
259 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
260 return c;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
261 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
262
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
263 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
264 int ZEXPORT gzputs(file, str)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
265 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
266 const char *str;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
267 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
268 int ret;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
269 unsigned len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
270
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
271 /* write string */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
272 len = (unsigned)strlen(str);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
273 ret = gzwrite(file, str, len);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
274 return ret == 0 && len != 0 ? -1 : ret;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
275 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
276
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
277 #ifdef STDC
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
278 #include <stdarg.h>
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
279
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
280 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
281 int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
282 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
283 int size, len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
284 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
285 z_streamp strm;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
286 va_list va;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
287
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
288 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
289 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
290 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
291 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
292 strm = &(state->strm);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
293
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
294 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
295 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
296 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
297
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
298 /* make sure we have some buffer space */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
299 if (state->size == 0 && gz_init(state) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
300 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
301
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
302 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
303 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
304 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
305 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
306 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
307 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
308
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
309 /* consume whatever's left in the input buffer */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
310 if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
311 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
312
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
313 /* do the printf() into the input buffer, put length in len */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
314 size = (int)(state->size);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
315 state->in[size - 1] = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
316 va_start(va, format);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
317 #ifdef NO_vsnprintf
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
318 # ifdef HAS_vsprintf_void
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
319 (void)vsprintf(state->in, format, va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
320 va_end(va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
321 for (len = 0; len < size; len++)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
322 if (state->in[len] == 0) break;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
323 # else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
324 len = vsprintf(state->in, format, va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
325 va_end(va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
326 # endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
327 #else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
328 # ifdef HAS_vsnprintf_void
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
329 (void)vsnprintf(state->in, size, format, va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
330 va_end(va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
331 len = strlen(state->in);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
332 # else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
333 len = vsnprintf((char *)(state->in), size, format, va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
334 va_end(va);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
335 # endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
336 #endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
337
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
338 /* check that printf() results fit in buffer */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
339 if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
340 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
341
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
342 /* update buffer and position, defer compression until needed */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
343 strm->avail_in = (unsigned)len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
344 strm->next_in = state->in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
345 state->pos += len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
346 return len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
347 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
348
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
349 #else /* !STDC */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
350
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
351 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
352 int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
353 a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
354 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
355 const char *format;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
356 int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
357 a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
358 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
359 int size, len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
360 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
361 z_streamp strm;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
362
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
363 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
364 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
365 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
366 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
367 strm = &(state->strm);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
368
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
369 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
370 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
371 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
372
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
373 /* make sure we have some buffer space */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
374 if (state->size == 0 && gz_init(state) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
375 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
376
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
377 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
378 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
379 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
380 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
381 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
382 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
383
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
384 /* consume whatever's left in the input buffer */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
385 if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
386 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
387
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
388 /* do the printf() into the input buffer, put length in len */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
389 size = (int)(state->size);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
390 state->in[size - 1] = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
391 #ifdef NO_snprintf
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
392 # ifdef HAS_sprintf_void
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
393 sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
394 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
395 for (len = 0; len < size; len++)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
396 if (state->in[len] == 0) break;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
397 # else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
398 len = sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
399 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
400 # endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
401 #else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
402 # ifdef HAS_snprintf_void
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
403 snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
404 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
405 len = strlen(state->in);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
406 # else
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
407 len = snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
408 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
409 # endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
410 #endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
411
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
412 /* check that printf() results fit in buffer */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
413 if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
414 return 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
415
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
416 /* update buffer and position, defer compression until needed */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
417 strm->avail_in = (unsigned)len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
418 strm->next_in = state->in;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
419 state->pos += len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
420 return len;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
421 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
422
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
423 #endif
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
424
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
425 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
426 int ZEXPORT gzflush(file, flush)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
427 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
428 int flush;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
429 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
430 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
431
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
432 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
433 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
434 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
435 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
436
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
437 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
438 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
439 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
440
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
441 /* check flush parameter */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
442 if (flush < 0 || flush > Z_FINISH)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
443 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
444
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
445 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
446 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
447 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
448 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
449 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
450 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
451
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
452 /* compress remaining data with requested flush */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
453 gz_comp(state, flush);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
454 return state->err;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
455 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
456
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
457 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
458 int ZEXPORT gzsetparams(file, level, strategy)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
459 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
460 int level;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
461 int strategy;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
462 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
463 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
464 z_streamp strm;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
465
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
466 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
467 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
468 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
469 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
470 strm = &(state->strm);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
471
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
472 /* check that we're writing and that there's no error */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
473 if (state->mode != GZ_WRITE || state->err != Z_OK)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
474 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
475
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
476 /* if no change is requested, then do nothing */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
477 if (level == state->level && strategy == state->strategy)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
478 return Z_OK;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
479
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
480 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
481 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
482 state->seek = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
483 if (gz_zero(state, state->skip) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
484 return -1;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
485 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
486
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
487 /* change compression parameters for subsequent input */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
488 if (state->size) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
489 /* flush previous input with previous parameters before changing */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
490 if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
491 return state->err;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
492 deflateParams(strm, level, strategy);
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
493 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
494 state->level = level;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
495 state->strategy = strategy;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
496 return Z_OK;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
497 }
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
498
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
499 /* -- see zlib.h -- */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
500 int ZEXPORT gzclose_w(file)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
501 gzFile file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
502 {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
503 int ret = 0;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
504 gz_statep state;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
505
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
506 /* get internal structure */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
507 if (file == NULL)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
508 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
509 state = (gz_statep)file;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
510
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
511 /* check that we're writing */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
512 if (state->mode != GZ_WRITE)
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
513 return Z_STREAM_ERROR;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
514
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
515 /* check for seek request */
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
516 if (state->seek) {
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
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parents:
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517 state->seek = 0;
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518 ret += gz_zero(state, state->skip);
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parents:
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519 }
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520
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
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521 /* flush, free memory, and close file */
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parents:
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522 ret += gz_comp(state, Z_FINISH);
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parents:
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523 (void)deflateEnd(&(state->strm));
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524 free(state->out);
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525 free(state->in);
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526 gz_error(state, Z_OK, NULL);
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527 free(state->path);
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528 ret += close(state->fd);
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529 free(state);
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Martin v. Löwis <martin@v.loewis.de>
parents:
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530 return ret ? Z_ERRNO : Z_OK;
1aba7339fa6c Issue #9704: Add zlib files necessary to run configure
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parents:
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531 }