niansa-misc/glibc
1
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2025-03-06 20:58:33 +01:00
Code Issues Projects Releases Packages Wiki Activity

Subject: hurd: Make __realpath return EINVAL on NULL buf

Browse source 
As Posix and stdlib/test-canon.c expects it, and rather than letting
pathconf crash.
This commit is contained in:
Samuel Thibault 2023-08-03 21:15:58 +02:00
parent 5e4435f960
commit 2345bc44bb
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
debug/realpath_chk.c
View file

@ -19,6 +19,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h>
char * char *
@ -30,7 +31,15 @@ __realpath_chk (const char *buf, char *resolved, size_t resolvedlen)
return __realpath (buf, resolved); return __realpath (buf, resolved);
#else #else
long int pathmax =__pathconf (buf, _PC_PATH_MAX); long int pathmax;
if (buf == NULL)
{
__set_errno (EINVAL);
return NULL;
}
pathmax = __pathconf (buf, _PC_PATH_MAX);
if (pathmax != -1) if (pathmax != -1)
{ {
/* We do have a fixed limit. */ /* We do have a fixed limit. */