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* [PATCH kvm-unit-tests] libcflat: add support for %zd and %td
@ 2017-05-12 15:42 Paolo Bonzini
  2017-05-12 15:54 ` Radim Krčmář
  0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2017-05-12 15:42 UTC (permalink / raw)
  To: kvm; +Cc: rkrcmar

These are useful to avoid warnings from the compiler.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 lib/printf.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/printf.c b/lib/printf.c
index 063a1ed..a96faee 100644
--- a/lib/printf.c
+++ b/lib/printf.c
@@ -176,6 +176,15 @@ int vsnprintf(char *buf, int size, const char *fmt, va_list va)
 	case 'l':
 	    ++nlong;
 	    goto morefmt;
+	case 't':
+	case 'z':
+	    /* Here we only care that sizeof(size_t) == sizeof(long).
+	     * On a 32-bit platform it doesn't matter that size_t is
+	     * typedef'ed to int or long; va_arg will work either way.
+	     * Same for ptrdiff_t (%td).
+	     */
+	    nlong = 1;
+	    goto morefmt;
 	case 'd':
 	    switch (nlong) {
 	    case 0:
-- 
2.12.2

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH kvm-unit-tests] libcflat: add support for %zd and %td
  2017-05-12 15:42 [PATCH kvm-unit-tests] libcflat: add support for %zd and %td Paolo Bonzini
@ 2017-05-12 15:54 ` Radim Krčmář
  0 siblings, 0 replies; 2+ messages in thread
From: Radim Krčmář @ 2017-05-12 15:54 UTC (permalink / raw)
  To: Paolo Bonzini; +Cc: kvm

2017-05-12 17:42+0200, Paolo Bonzini:
> These are useful to avoid warnings from the compiler.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---

Applied, thanks.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-05-12 15:42 [PATCH kvm-unit-tests] libcflat: add support for %zd and %td Paolo Bonzini
2017-05-12 15:54 ` Radim Krčmář

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