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-rw-r--r--lib/printf.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/printf.c b/lib/printf.c
index dc9ea1b..21453dd 100644
--- a/lib/printf.c
+++ b/lib/printf.c
@@ -9,6 +9,9 @@
#include "nest/bird.h"
#include "string.h"
+#include <errno.h>
+#include <string.h>
+
/* we use this so that we can do without the ctype library */
#define is_digit(c) ((c) >= '0' && (c) <= '9')
@@ -184,11 +187,15 @@ int bvsprintf(char *buf, const char *fmt, va_list args)
*str++ = ' ';
continue;
+ case 'm':
+ s = strerror(errno);
+ goto str;
case 's':
s = va_arg(args, char *);
if (!s)
s = "<NULL>";
+ str:
len = strlen(s);
if (precision >= 0 && len > precision)
len = precision;