diff options
| -rw-r--r-- | src/permchain.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/permchain.c b/src/permchain.c index ad32f9d..d101aa1 100644 --- a/src/permchain.c +++ b/src/permchain.c @@ -151,8 +151,18 @@ error: static int add_octal_rule_to_permchain(const char *start, const char *end, struct permchain *pc) { + // Make [start..end[ available as a null-terminated string to `strtol` + const int len = end - start; + char * const buf = malloc((len + 1) * sizeof(char)); + if (buf == NULL) + return -1; + memcpy(buf, start, len); + buf[len] = '\0'; + struct permchain *newpc = permchain_create(); - long mode = strtol(start, NULL, 8); + + long mode = strtol(buf, NULL, 8); + free(buf); if (mode < 0 || mode > 0777) { permchain_destroy(newpc); |