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git/compat/fopen.c
Brandon Casey cba22528fa Add compat/fopen.c which returns NULL on attempt to open directory
Some systems do not fail as expected when fread et al. are called on
a directory stream. Replace fopen on such systems which will fail
when the supplied path is a directory.

Signed-off-by: Brandon Casey <casey@nrlssc.navy.mil>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-02-11 18:25:10 -08:00

27 lines
401 B
C

#include "../git-compat-util.h"
#undef fopen
FILE *git_fopen(const char *path, const char *mode)
{
FILE *fp;
struct stat st;
if (mode[0] == 'w' || mode[0] == 'a')
return fopen(path, mode);
if (!(fp = fopen(path, mode)))
return NULL;
if (fstat(fileno(fp), &st)) {
fclose(fp);
return NULL;
}
if (S_ISDIR(st.st_mode)) {
fclose(fp);
errno = EISDIR;
return NULL;
}
return fp;
}