diff options
Diffstat (limited to 'common/vasprintf.c')
| -rw-r--r-- | common/vasprintf.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/common/vasprintf.c b/common/vasprintf.c index dbef4eb08..36121d8cc 100644 --- a/common/vasprintf.c +++ b/common/vasprintf.c @@ -68,7 +68,8 @@ vasprintf (char **result, const char *format, va_list *args) } while (strchr ("hlL", *p)) ++p; - /* Should be big enough for any format specifier except %s and floats. */ + /* Should be big enough for any format specifier except %s + and floats. */ total_width += 30; switch (*p) { @@ -92,7 +93,13 @@ vasprintf (char **result, const char *format, va_list *args) total_width += 307; break; case 's': - total_width += strlen (va_arg (ap, char *)); + { + char *tmp = va_arg (ap, char *); + if (tmp) + total_width += strlen (tmp); + else /* in case the vsprintf does prints a text */ + total_width += 25; /* e.g. "(null pointer reference)" */ + } break; case 'p': case 'n': |