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Fix bug in SafeFOpen showing up in Cygwin. Errno only guaranteed to be set on failure.

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This commit is contained in:
Andreas Schuh 2014-03-19 11:29:43 +00:00
parent b18fe77ecd
commit d8c6a552aa
1 changed files with 2 additions and 1 deletions
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3
src/util.h
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@ -364,7 +364,8 @@ inline int SafeFOpen(FILE **fp, const char* fname, const char *mode)
#else
assert(fp != NULL);
*fp = fopen(fname, mode);
return errno;
// errno only guaranteed to be set on failure
return ((*fp == NULL) ? errno : 0);
#endif
}