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Code Issues Releases Wiki Activity

Only check /proc/$$/fd if we have the dirfd function/macro.

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This commit is contained in:
Todd C. Miller 2004-06-01 20:51:56 +00:00
parent 54cb0921de
commit cebfa4c030
1 changed files with 5 additions and 2 deletions
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7
closefrom.c
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@ -59,6 +59,7 @@ closefrom(lowfd)
int lowfd;
{
long fd, maxfd;
#ifdef HAVE_DIRFD
char fdpath[PATH_MAX], *endp;
struct dirent *dent;
DIR *dirp;
@ -73,8 +74,10 @@ closefrom(lowfd)
fd >= 0 && fd < INT_MAX && fd >= lowfd && fd != dirfd(dirp))
(void) close((int) fd);
}
closedir(dirp);
} else {
(void) closedir(dirp);
} else
#endif
{
/*
* Fall back on sysconf() or getdtablesize(). We avoid checking
* resource limits since it is possible to open a file descriptor