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annotate Python/dynload_hpux.c @ 79063:2bdc8c8ea42e

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Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times
author Christian Heimes <christian@cheimes.de>
date Thu, 20 Sep 2012 12:42:54 +0200
parents 257cbd2fac38
children
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78fe87ce0ded The old platform-specific contents of importdl.c, broken down into one
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1
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2 /* Support for dynamic loading of extension modules */
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3
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4 #include "dl.h"
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5 #include <errno.h>
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6
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7 #include "Python.h"
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8 #include "importdl.h"
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9
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10 #if defined(__hp9000s300)
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11 #define FUNCNAME_PATTERN "_PyInit_%.200s"
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12 #else
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13 #define FUNCNAME_PATTERN "PyInit_%.200s"
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14 #endif
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15
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16 const char *_PyImport_DynLoadFiletab[] = {SHLIB_EXT, NULL};
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17
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18 dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
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19 const char *pathname, FILE *fp)
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20 {
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21 dl_funcptr p;
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22 shl_t lib;
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23 int flags;
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24 char funcname[258];
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26 flags = BIND_FIRST | BIND_DEFERRED;
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27 if (Py_VerboseFlag) {
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28 flags = BIND_FIRST | BIND_IMMEDIATE |
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29 BIND_NONFATAL | BIND_VERBOSE;
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30 printf("shl_load %s\n",pathname);
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31 }
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32 lib = shl_load(pathname, flags, 0);
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33 /* XXX Chuck Blake once wrote that 0 should be BIND_NOSTART? */
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34 if (lib == NULL) {
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35 char buf[256];
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36 PyObject *pathname_ob = NULL;
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37 PyObject *buf_ob = NULL;
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38 PyObject *shortname_ob = NULL;
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39
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40 if (Py_VerboseFlag)
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41 perror(pathname);
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42 PyOS_snprintf(buf, sizeof(buf), "Failed to load %.200s",
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43 pathname);
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44 buf_ob = PyUnicode_FromString(buf);
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45 shortname_ob = PyUnicode_FromString(shortname);
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46 pathname_ob = PyUnicode_FromString(pathname);
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47 PyErr_SetImportError(buf_ob, shortname_ob, pathname_ob);
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48 Py_DECREF(buf_ob);
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49 Py_DECREF(shortname_ob);
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50 Py_DECREF(pathname_ob);
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51 return NULL;
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52 }
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53 PyOS_snprintf(funcname, sizeof(funcname), FUNCNAME_PATTERN, shortname);
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54 if (Py_VerboseFlag)
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55 printf("shl_findsym %s\n", funcname);
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56 if (shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p) == -1) {
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57 shl_unload(lib);
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58 p = NULL;
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59 }
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60 if (p == NULL && Py_VerboseFlag)
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61 perror(funcname);
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63 return p;
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64 }