diff options
| -rw-r--r-- | lib/colors.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/colors.c b/lib/colors.c index 4b280fe27..dda617057 100644 --- a/lib/colors.c +++ b/lib/colors.c @@ -342,6 +342,7 @@ static char *colors_get_homedir(char *buf, size_t bufsz) static int cn_sequence(const char *str, char **seq) { char *in, *out; + int len; if (!str) return -EINVAL; @@ -357,7 +358,7 @@ static int cn_sequence(const char *str, char **seq) } /* convert xx;yy sequences to "\033[xx;yy" */ - if (asprintf(seq, "\033[%sm", str) < 1) + if ((len = asprintf(seq, "\033[%sm", str)) < 1) return -ENOMEM; for (in = *seq, out = *seq; in && *in; in++) { @@ -409,6 +410,8 @@ static int cn_sequence(const char *str, char **seq) } in++; } + + assert ((out - *seq) <= len); *out = '\0'; return 0; |