diff options
| -rw-r--r-- | include/utils.h | 2 | ||||
| -rw-r--r-- | lib/utils.c | 15 |
2 files changed, 17 insertions, 0 deletions
diff --git a/include/utils.h b/include/utils.h index 76addb32..3d91c50d 100644 --- a/include/utils.h +++ b/include/utils.h @@ -195,6 +195,8 @@ static inline void __jiffies_to_tv(struct timeval *tv, unsigned long jiffies) tv->tv_usec = tvusec - 1000000 * tv->tv_sec; } +void print_escape_buf(const __u8 *buf, size_t len, const char *escape); + int print_timestamp(FILE *fp); void print_nlmsg_timestamp(FILE *fp, const struct nlmsghdr *n); diff --git a/lib/utils.c b/lib/utils.c index 632fd0dd..ac155bf5 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -31,6 +31,7 @@ #include <time.h> #include <sys/time.h> #include <errno.h> +#include <ctype.h> #include "rt_names.h" #include "utils.h" @@ -1047,6 +1048,20 @@ int addr64_n2a(__u64 addr, char *buff, size_t len) return written; } +/* Print buffer and escape bytes that are !isprint or among 'escape' */ +void print_escape_buf(const __u8 *buf, size_t len, const char *escape) +{ + size_t i; + + for (i = 0; i < len; ++i) { + if (isprint(buf[i]) && buf[i] != '\\' && + !strchr(escape, buf[i])) + printf("%c", buf[i]); + else + printf("\\%03o", buf[i]); + } +} + int print_timestamp(FILE *fp) { struct timeval tv; |