diff options
| -rw-r--r-- | trafgen_parser.y | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/trafgen_parser.y b/trafgen_parser.y index 035d9c1..cd87c12 100644 --- a/trafgen_parser.y +++ b/trafgen_parser.y @@ -12,11 +12,12 @@ #include <stdio.h> #include <stdlib.h> -#include <signal.h> #include <stdint.h> -#include <errno.h> #include <stdbool.h> +#include <errno.h> #include <libgen.h> +#include <signal.h> +#include <unistd.h> #include <net/if_arp.h> #include <netinet/in.h> #include <linux/icmp.h> @@ -1037,6 +1038,11 @@ void compile_packets(char *file, bool verbose, unsigned int cpu, char tmp_file[128]; int ret = -1; + if (access(file, R_OK)) { + fprintf(stderr, "Cannot access %s: %s!\n", file, strerror(errno)); + die(); + } + memset(tmp_file, 0, sizeof(tmp_file)); our_cpu = cpu; |