/* Combine two dump files, either by appending or by merging by timestamp
*
- * $Id: mergecap.c,v 1.25 2004/07/12 21:00:40 ulfl Exp $
+ * $Id: mergecap.c,v 1.26 2004/07/13 05:58:15 guy Exp $
*
* Written by Scott Renfro <scott@renfro.org> based on
* editcap by Richard Sharpe and Guy Harris
#include <stdio.h>
#include <stdlib.h>
+#include <errno.h>
#include <glib.h>
#ifdef HAVE_UNISTD_H
/* open the outfile */
out_file.fd = open(out_filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0644);
}
- if(out_file.fd == -1) {
- fprintf(stderr, "mergecap: couldn't open output file\n");
- exit(1);
- }
+ if (out_file.fd == -1) {
+ fprintf(stderr, "mergecap: Couldn't open output file %s: %s\n",
+ out_filename, strerror(errno));
+ exit(1);
+ }
/* prepare the outfile */
if (!merge_open_outfile(&out_file, merge_max_snapshot_length(in_file_count, in_files), &err)) {