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Use sysconf(_SC_SYMLOOP_MAX) instead of MAXSYMLINKS. If sysconf

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returns an error, fall back to MAXSYMLINKS on platforms that
define it.  Fixes build on Hurd.  Patch from Justus Winter and
Debian.
This commit is contained in:
Petter Reinholdtsen 2014-01-28 10:13:10 +00:00
parent c26aaa4410
commit 834bcebcaf
2 changed files with 18 additions and 1 deletions
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4
doc/Changelog
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@ -67,6 +67,10 @@ sysvinit (2.89dsf) UNRELEASED; urgency=low
* Define _XOPEN_SOURCE when building to get crypt() from <unistd.h>
instead of using <crypt.h> in sulogin.c, to get the source building
with the musl C library.
* Use sysconf(_SC_SYMLOOP_MAX) instead of MAXSYMLINKS. If sysconf
returns an error, fall back to MAXSYMLINKS on platforms that
define it. Fixes build on Hurd. Patch from Justus Winter and
Debian.
-- Petter Reinholdtsen <pere@hungry.com> Sun Apr 11 11:28:55 CEST 2010

15
src/killall5.c
View File

@ -376,6 +376,19 @@ out:
return 0;
}
/*
* Get the maximal number of symlinks to follow.
*/
static int maxsymlinks(void)
{
int v = sysconf(_SC_SYMLOOP_MAX);
#ifdef MAXSYMLINKS
if (v == -1)
return MAXSYMLINKS;
#endif
return v;
}
/*
* Check path is located on a network based partition.
*/
@ -383,7 +396,7 @@ int check4nfs(const char * path, char * real)
{
char buf[PATH_MAX+1];
const char *curr;
int deep = MAXSYMLINKS;
int deep = maxsymlinks();
if (!nlist) return 0;