check return value of gentemp()

git-svn: trunk@3276

ChangeLog

@@ -1,3 +1,7 @@
+Sat Oct  6 12:36:13 CEST 2007 (acab)
+------------------------------------
+  * libclamav/nsis/nulsft.c: check return value of gentemp()
+
 Sat Oct  6 10:47:26 EEST 2007 (edwin)
 ------------------------------------
   * libclamav/phish*.[ch], regex_list.c, rtf.c: fix some warnings

libclamav/nsis/nulsft.c

@@ -492,7 +492,8 @@ int cli_scannulsft(int desc, cli_ctx *ctx, off_t offset) {
 
     nsist.ifd = desc;
     nsist.off = offset;
-    nsist.dir = cli_gentemp(NULL);
+    if (!(nsist.dir = cli_gentemp(NULL)))
+        return CL_ETMPDIR;
     if(mkdir(nsist.dir, 0700)) {
 	cli_dbgmsg("NSIS: Can't create temporary directory %s\n", nsist.dir);
 	free(nsist.dir);