[Prex-devel] [PATCH 15/22] support field width for %s

[<and...@gm...>]

support field width for %s
---
 sys/lib/vsprintf.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/sys/lib/vsprintf.c b/sys/lib/vsprintf.c
index 394be4f..52a907f 100755
--- a/sys/lib/vsprintf.c
+++ b/sys/lib/vsprintf.c
@@ -116,9 +116,12 @@ int vsprintf(char *buf, const char *fmt, va_list args)
 			str = va_arg(args, char *);
 			if (str == NULL)
 				str = "<NULL>";
-			for (; *str; str++) {
+			for (; *str && width != 0; str++, width--) {
 				*p++ = *str;
 			}
+			while (width-- > 0)
+				*p++ = pad;
+
 			continue;
 		case 'X':
 		case 'x':
-- 
1.5.0.3.GIT