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authorUlrich Drepper <drepper@redhat.com>2000-09-29 02:56:42 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-29 02:56:42 +0000
commite658b54e8e67c00063a0b549fa25b73d8e6d4076 (patch)
tree2c481b771c920873bdf6977faf071eafda5c39c5 /sysdeps
parentee6c5330273edda1ab102ad780d1984aca055e77 (diff)
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Update.
* stdio-common/tmpnam.c (tmpnam): Optimize a bit. * sysdeps/posix/getaddrinfo.c (gaih_local): Don't use tmpnam, use underlying functions directly.
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/posix/getaddrinfo.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index fdd8729657..7a84cd3030 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -206,7 +206,15 @@ gaih_local (const char *name, const struct gaih_service *service,
}
else
{
- if (tmpnam (((struct sockaddr_un *) (*pai)->ai_addr)->sun_path) == NULL)
+ /* This is a dangerous use of the interface since there is a time
+ window between the test for the file and the actual creation
+ (done by the caller) in which a file with the same name could
+ be created. */
+ char *buf = ((struct sockaddr_un *) (*pai)->ai_addr)->sun_path;
+
+ if (__builtin_expect (__path_search (buf, L_tmpnam, NULL, NULL, 0),
+ 0) != 0
+ || __builtin_expect (__gen_tempname (buf, __GT_NOCREATE), 0) != 0)
return -EAI_SYSTEM;
}