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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int
asprintf(char **strp, const char *fmt, ...)
{
int size;
va_list args;
va_start(args, fmt);
if ((size = vsnprintf(NULL, 0, fmt, args)) < 0)
return size;
if ((*strp = malloc((size_t)size + 1)) == NULL)
return -1;
return vsnprintf(*strp, (size_t)size + 1, fmt, args);
}
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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
int
asprintf(char **strp, const char *fmt, ...)
{
int ret, size;
va_list args;
va_start(args, fmt);
if ((size = vsnprintf(NULL, 0, fmt, args)) < 0)
return size;
if ((*strp = malloc((size_t)size + 1)) == NULL)
return -1;
ret = vsnprintf(*strp, (size_t)size + 1, fmt, args);
va_end(args);
return ret;
}
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