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Workaround for non-preserving variadic lists

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Bjorn Reese 2001-06-05 12:45:55 +00:00
parent 2e4f188293
commit 570ff08fff
1 changed files with 13 additions and 1 deletions
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14
error.c
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@ -13,6 +13,16 @@
#include <libxml/xmlerror.h>
#include <libxml/xmlmemory.h>
#if defined(__STDC__) && defined(__STDC_VERSION__)
# if (__STDC_VERSION__ >= 199901L)
# define HAVE_VA_COPY
# endif
#endif
#if !defined(HAVE_VA_COPY)
# include <string.h>
# define va_copy(x,y) memcpy((x),(y),sizeof(va_list))
#endif
/************************************************************************
* *
* Handling of out of context errors *
@ -162,6 +172,7 @@ xmlGetVarStr(const char * msg, va_list args) {
int length;
int chars, left;
char *str, *larger;
va_list argscopy;
str = (char *) xmlMalloc(150);
if (str == NULL)
@ -173,7 +184,8 @@ xmlGetVarStr(const char * msg, va_list args) {
while (1) {
left = size - length;
/* Try to print in the allocated space. */
chars = vsnprintf(str + length, left, msg, args);
va_copy(argscopy, args);
chars = vsnprintf(str + length, left, msg, argscopy);
/* If that worked, we're done. */
if ((chars > -1) && (chars < left ))
break;