diff options
| -rw-r--r-- | staging/mausezahn.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/staging/mausezahn.c b/staging/mausezahn.c index ec3bc0e..4f312fd 100644 --- a/staging/mausezahn.c +++ b/staging/mausezahn.c @@ -518,6 +518,10 @@ int getopts (int argc, char *argv[]) break; case 'f': // ASCII payload in FILE afp = fopen(optarg, "r"); + if (!afp) { + fprintf(stderr, " mz/getopts: Can not open file %s. %s!\n", optarg, strerror(errno)); + return -1; + } if (fgets((char*)tx.ascii_payload, MAX_PAYLOAD_SIZE, afp) == NULL) fprintf(stderr, " mz/getopts: File empty?\n"); fclose(afp); @@ -525,6 +529,10 @@ int getopts (int argc, char *argv[]) break; case 'F': // HEX payload in FILE afp = fopen(optarg, "r"); + if (!afp) { + fprintf(stderr, " mz/getopts: Can not open file %s. %s!\n", optarg, strerror(errno)); + return -1; + } i=0; while ( (hexpld[i]=fgetc(afp))!=EOF ) { if (isspace(hexpld[i])) { |