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[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>
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acd3bd82c0
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1 changed files with 4 additions and 1 deletions
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@ -269,6 +269,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
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int qualifier; /* 'h', 'l', or 'L' for integer fields */
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/* 'z' support added 23/7/1999 S.H. */
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/* 'z' changed to 'Z' --davidm 1/25/99 */
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/* 't' added for ptrdiff_t */
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/* Reject out-of-range values early */
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if (unlikely((int) size < 0)) {
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@ -339,7 +340,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
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/* get the conversion qualifier */
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qualifier = -1;
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if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' ||
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*fmt =='Z' || *fmt == 'z') {
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*fmt =='Z' || *fmt == 'z' || *fmt == 't') {
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qualifier = *fmt;
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++fmt;
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if (qualifier == 'l' && *fmt == 'l') {
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@ -467,6 +468,8 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
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num = (signed long) num;
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} else if (qualifier == 'Z' || qualifier == 'z') {
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num = va_arg(args, size_t);
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} else if (qualifier == 't') {
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num = va_arg(args, ptrdiff_t);
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} else if (qualifier == 'h') {
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num = (unsigned short) va_arg(args, int);
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if (flags & SIGN)
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