From 8032230694ec56c168a1404c67a54d281536cbed Mon Sep 17 00:00:00 2001
From: Al Viro <viro@www.linux.org.uk>
Date: Tue, 23 Aug 2005 22:48:17 +0100
Subject: [PATCH] [PATCH] %t... in vsnprintf
handling of %t... (ptrdiff_t) in vsnprintf
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
lib/vsprintf.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index a9bda0a361f39..e4e9031dd9c38 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -269,6 +269,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
int qualifier; /* 'h', 'l', or 'L' for integer fields */
/* 'z' support added 23/7/1999 S.H. */
/* 'z' changed to 'Z' --davidm 1/25/99 */
+ /* 't' added for ptrdiff_t */
/* Reject out-of-range values early */
if (unlikely((int) size < 0)) {
@@ -339,7 +340,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
/* get the conversion qualifier */
qualifier = -1;
if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
- *fmt =='Z' || *fmt == 'z') {
+ *fmt =='Z' || *fmt == 'z' || *fmt == 't') {
qualifier = *fmt;
++fmt;
if (qualifier == 'l' && *fmt == 'l') {
@@ -467,6 +468,8 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
num = (signed long) num;
} else if (qualifier == 'Z' || qualifier == 'z') {
num = va_arg(args, size_t);
+ } else if (qualifier == 't') {
+ num = va_arg(args, ptrdiff_t);
} else if (qualifier == 'h') {
num = (unsigned short) va_arg(args, int);
if (flags & SIGN)
--
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