# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1493279445 -10800
# Node ID 0525128adebf4d0b70cde367a0a078ee59fd58ce
# Parent  aa15519676701c475a3e8d7e9f1793a32f78a4aa
Check for malloc fail.

diff -r aa1551967670 -r 0525128adebf bpgdec.c
--- a/bpgdec.c	Thu Apr 27 10:46:16 2017 +0300
+++ b/bpgdec.c	Thu Apr 27 10:50:45 2017 +0300
@@ -322,6 +322,11 @@
     fseek(f, 0, SEEK_SET);
 
     buf = malloc(buf_len);
+    if (!buf) {
+        fprintf(stderr, "Could not allocate memory for buffer.\n");
+        exit(1);
+    }
+
     if (fread(buf, 1, buf_len, f) != buf_len) {
         fprintf(stderr, "Error while reading file\n");
         exit(1);
@@ -339,10 +344,7 @@
 
 #ifdef USE_PNG
     p = strrchr(outfilename, '.');
-    if (p)
-        p++;
-
-    if (p && strcasecmp(p, "ppm") != 0) {
+    if (p && strcasecmp(p + 1, "ppm") != 0) {
         png_save(img, outfilename, bit_depth);
     } else
 #endif