Mercurial > cpython-lru_cache-weakref

annotate Python/strerror.c @ 15830:e00f718e4d8a legacy-trunk

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Two changes to from...import: 1) "from M import X" now works even if M is not a real module; it's basically a getattr() operation with AttributeError exceptions changed into ImportError. 2) "from M import *" now looks for M.__all__ to decide which names to import; if M.__all__ doesn't exist, it uses M.__dict__.keys() but filters out names starting with '_' as before. Whether or not __all__ exists, there's no restriction on the type of M.
author Guido van Rossum <guido@python.org>
date Fri, 12 Jan 2001 16:24:03 +0000
parents 6f6f965c5e2d
children 379fc66f4c96
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2 /* PD implementation of strerror() for systems that don't have it.
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3 Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */
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5 #include <stdio.h>
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7 extern int sys_nerr;
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8 extern char *sys_errlist[];
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10 char *
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11 strerror(int err)
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12 {
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13 static char buf[20];
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14 if (err >= 0 && err < sys_nerr)
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15 return sys_errlist[err];
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16 sprintf(buf, "Unknown errno %d", err);
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17 return buf;
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18 }
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20 #ifdef macintosh
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21 int sys_nerr = 0;
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22 char *sys_errlist[1] = 0;
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23 #endif