From: Al Viro Date: Tue, 23 Aug 2005 21:48:17 +0000 (+0100) Subject: [PATCH] %t... in vsnprintf X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8032230694ec56c168a1404c67a54d281536cbed;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [PATCH] %t... in vsnprintf handling of %t... (ptrdiff_t) in vsnprintf Signed-off-by: Al Viro Signed-off-by: Linus Torvalds --- diff --git a/lib/vsprintf.c b/lib/vsprintf.c index a9bda0a361f3..e4e9031dd9c3 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)