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fixed minor compatibility issues with older compilers

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This commit is contained in:
Yann Collet
2018-08-30 15:54:14 -07:00
parent 39ef91a599
commit 39c55a118f
3 changed files with 9 additions and 8 deletions
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10
programs/util.h
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@ -319,15 +319,17 @@ UTIL_STATIC U32 UTIL_isDirectory(const char* infilename)
UTIL_STATIC U32 UTIL_isLink(const char* infilename)
{
#if defined(_WIN32)
/* no symlinks on windows */
(void)infilename;
#else
/* macro guards, as defined in : https://linux.die.net/man/2/lstat */
#if defined(_BSD_SOURCE) \
|| (defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE >= 500)) \
|| (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) \
|| (defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L))
int r;
stat_t statbuf;
r = lstat(infilename, &statbuf);
if (!r && S_ISLNK(statbuf.st_mode)) return 1;
#endif
(void)infilename;
return 0;
}