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
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