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-rw-r--r--strings/my_vsnprintf.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/strings/my_vsnprintf.c b/strings/my_vsnprintf.c
index 0e036c2bbcd..d917e9e11b2 100644
--- a/strings/my_vsnprintf.c
+++ b/strings/my_vsnprintf.c
@@ -27,6 +27,7 @@
%#[l]d
%#[l]u
%#[l]x
+ %#.#b Local format; note first # is ignored and second is REQUIRED
%#.#s Note first # is ignored
RETURN
@@ -40,7 +41,7 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
for (; *fmt ; fmt++)
{
- if (fmt[0] != '%')
+ if (*fmt != '%')
{
if (to == end) /* End of buffer */
break;
@@ -95,6 +96,12 @@ int my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap)
to=strnmov(to,par,plen);
continue;
}
+ else if (*fmt == 'b') /* Buffer parameter */
+ {
+ char *par = va_arg(ap, char *);
+ to=memmove(to, par, abs(width));
+ continue;
+ }
else if (*fmt == 'd' || *fmt == 'u'|| *fmt== 'x') /* Integer parameter */
{
register long larg;