summary refs log tree commit diff
path: root/nscd
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2005-07-18 22:28:46 +0000
committerUlrich Drepper <drepper@redhat.com>2005-07-18 22:28:46 +0000
commit233399bce2e79e5af3b344782e9943d5f1a9cdcb (patch)
tree6c178b10c4b4e26409278419bdd2377b48ca7086 /nscd
parent9f3731cf7f8f1d1b4718fdbeae2ca5d46bbc6950 (diff)
downloadglibc-233399bce2e79e5af3b344782e9943d5f1a9cdcb.tar.gz
glibc-233399bce2e79e5af3b344782e9943d5f1a9cdcb.tar.xz
glibc-233399bce2e79e5af3b344782e9943d5f1a9cdcb.zip
* nscd/Makefile (nscd-cflags): Add _FORTIFY_SOURCE.
	* nscd/connections.c: Fix a few wur warnings.
Diffstat (limited to 'nscd')
-rw-r--r--nscd/Makefile2
-rw-r--r--nscd/connections.c16
2 files changed, 12 insertions, 6 deletions
diff --git a/nscd/Makefile b/nscd/Makefile
index 2ebd90b989..4b6f2967a5 100644
--- a/nscd/Makefile
+++ b/nscd/Makefile
@@ -84,7 +84,7 @@ CFLAGS-nscd_gethst_r.c = -fexceptions
 CFLAGS-nscd_getai.c = -fexceptions
 CFLAGS-nscd_initgroups.c = -fexceptions
 
-nscd-cflags = -DIS_IN_nscd=1
+nscd-cflags = -DIS_IN_nscd=1 -D_FORTIFY_SOURCE=2
 ifeq (yesyes,$(have-fpie)$(build-shared))
 nscd-cflags += -fpie
 endif
diff --git a/nscd/connections.c b/nscd/connections.c
index 9dc852a1df..347862e521 100644
--- a/nscd/connections.c
+++ b/nscd/connections.c
@@ -393,20 +393,23 @@ cannot create read-only descriptor for \"%s\"; no mmap"),
 		if (offset % ps != 0)
 		  {
 		    towrite = MIN (remaining, ps - (offset % ps));
-		    pwrite (fd, tmpbuf, towrite, offset);
+		    if (pwrite (fd, tmpbuf, towrite, offset) != towrite)
+		      goto write_fail;
 		    offset += towrite;
 		    remaining -= towrite;
 		  }
 
 		while (remaining > ps)
 		  {
-		    pwrite (fd, tmpbuf, ps, offset);
+		    if (pwrite (fd, tmpbuf, ps, offset) == -1)
+		      goto write_fail;
 		    offset += ps;
 		    remaining -= ps;
 		  }
 
-		if (remaining > 0)
-		  pwrite (fd, tmpbuf, remaining, offset);
+		if (remaining > 0
+		    && pwrite (fd, tmpbuf, remaining, offset) != remaining)
+		  goto write_fail;
 
 		/* Create the header of the file.  */
 		struct database_pers_head head =
@@ -426,6 +429,7 @@ cannot create read-only descriptor for \"%s\"; no mmap"),
 		    || (mem = mmap (NULL, total, PROT_READ | PROT_WRITE,
 				    MAP_SHARED, fd, 0)) == MAP_FAILED)
 		  {
+		  write_fail:
 		    unlink (dbs[cnt].db_filename);
 		    dbg_log (_("cannot write to database file %s: %s"),
 			     dbs[cnt].db_filename, strerror (errno));
@@ -965,7 +969,9 @@ cannot change to old working directory: %s; disabling paranoia mode"),
       setuid (server_uid);
       setgid (server_gid);
     }
-  chdir ("/");
+  if (chdir ("/") != 0)
+    dbg_log (_("cannot change current working directory to \"/\": %s"),
+	     strerror (errno));
   paranoia = 0;
 }