Merge pull request #219 from mbuesch/icepll-fix-fopen
icepll: Avoid segmentation fault, if opening of output file fails
diff --git a/icepll/icepll.cc b/icepll/icepll.cc
index 689b362..192eee6 100644
--- a/icepll/icepll.cc
+++ b/icepll/icepll.cc
@@ -16,6 +16,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
@@ -243,6 +244,12 @@
// open file for writing
FILE *f;
f = fopen(filename, "w");
+ if (f == NULL)
+ {
+ fprintf(stderr, "Error: Failed to open output file '%s': %s\n",
+ filename, strerror(errno));
+ exit(1);
+ }
if (save_as_module)
{
