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gallium/util: Stop bundling our snprintf implementation.

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Use MSVCRT functions instead.  Their semantics are slightly
different but they can be made to work as expected.

Also, use the same code paths for both MSVCRT and MinGW.

https://bugs.freedesktop.org/show_bug.cgi?id=91418

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Jose Fonseca 2015-07-22 13:21:24 +01:00
parent f3728a16c9
commit c6267ebd6c
3 changed files with 31 additions and 1485 deletions
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1
src/gallium/auxiliary/Makefile.sources
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@ -274,7 +274,6 @@ C_SOURCES := \
util/u_simple_shaders.h \
util/u_slab.c \
util/u_slab.h \
util/u_snprintf.c \
util/u_split_prim.h \
util/u_sse.h \
util/u_staging.c \

1480
src/gallium/auxiliary/util/u_snprintf.c
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File diff suppressed because it is too large Load diff

35
src/gallium/auxiliary/util/u_string.h
View file

@ -35,13 +35,14 @@
#ifndef U_STRING_H_
#define U_STRING_H_
#if !defined(_MSC_VER) && !defined(XF86_LIBC_H)
#if !defined(XF86_LIBC_H)
#include <stdio.h>
#endif
#include <stddef.h>
#include <stdarg.h>
#include "pipe/p_compiler.h"
#include "util/macros.h" // PRINTFLIKE
#ifdef __cplusplus
@ -64,10 +65,35 @@ util_strchrnul(const char *s, char c)
#endif
#ifdef _MSC_VER
#ifdef _WIN32
int util_vsnprintf(char *, size_t, const char *, va_list);
int util_snprintf(char *str, size_t size, const char *format, ...);
static inline int
util_vsnprintf(char *str, size_t size, const char *format, va_list ap)
{
/* We need to use _vscprintf to calculate the length as vsnprintf returns -1
* if the number of characters to write is greater than count.
*/
va_list ap_copy;
int ret;
va_copy(ap_copy, ap);
ret = _vsnprintf(str, size, format, ap);
if (ret < 0) {
ret = _vscprintf(format, ap_copy);
}
return ret;
}
static inline int
PRINTFLIKE(3, 4)
util_snprintf(char *str, size_t size, const char *format, ...)
{
va_list ap;
int ret;
va_start(ap, format);
ret = util_vsnprintf(str, size, format, ap);
va_end(ap);
return ret;
}
static inline void
util_vsprintf(char *str, const char *format, va_list ap)
@ -76,6 +102,7 @@ util_vsprintf(char *str, const char *format, va_list ap)
}
static inline void
PRINTFLIKE(2, 3)
util_sprintf(char *str, const char *format, ...)
{
va_list ap;