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fix errno value when fdopendir is given an invalid file descriptor

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this resolves an issue reported by Vasiliy Kulikov
This commit is contained in:
Rich Felker 2011-07-21 21:15:14 -04:00
commit fa845669ce
1 changed files with 4 additions and 1 deletions
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5
src/dirent/fdopendir.c
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@ -12,7 +12,10 @@ DIR *fdopendir(int fd)
DIR *dir;
struct stat st;
if (fstat(fd, &st) < 0 || !S_ISDIR(st.st_mode)) {
if (fstat(fd, &st) < 0) {
return 0;
}
if (!S_ISDIR(st.st_mode)) {
errno = ENOTDIR;
return 0;
}