static char * _strdup_vprintf(const char *fmt, va_list ap)
{
/* Guess we need no more than 100 bytes. */
int n, size = 200;
char *p,*np;
//va_list ap;
if ((p = (char *) ortp_malloc (size)) == NULL)
return NULL;
while (1)
{
/* Try to print in the allocated space. */
//va_start(ap, fmt);
n = vsnprintf (p, size, fmt, ap);
//va_end(ap);
/* If that worked, return the string. */
if (n > -1 && n < size)
return p;
//printf("Reallocing space.\n");
/* Else try again with more space. */
if (n > -1) /* glibc 2.1 */
size = n + 1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
if ((np = (char *) ortp_realloc (p, size)) == NULL)
{
free(p);
return NULL;
}
else
{
p = np;
}
}
}
char * ortp_strcat_vprintf(char* dst, const char *fmt, va_list ap){
char *ret;
unsigned long dstlen, retlen;
ret=ortp_strdup_vprintf(fmt, ap);
dstlen = strlen(dst);
retlen = strlen(ret);
if ((dst = ortp_realloc(dst, dstlen+retlen+1)) != NULL){
strncat(dst,ret,retlen);
dst[dstlen+retlen] = '\0';
ortp_free(ret);
return dst;
} else {
ortp_free(ret);
return NULL;
}
}
char * ortp_strdup_vprintf(const char *fmt, va_list ap)
{
/* Guess we need no more than 100 bytes. */
int n, size = 200;
char *p,*np;
#ifndef WIN32
va_list cap;/*copy of our argument list: a va_list cannot be re-used (SIGSEGV on linux 64 bits)*/
#endif
if ((p = (char *) ortp_malloc (size)) == NULL)
return NULL;
while (1)
{
/* Try to print in the allocated space. */
#ifndef WIN32
va_copy(cap,ap);
n = vsnprintf (p, size, fmt, cap);
va_end(cap);
#else
/*this works on 32 bits, luckily*/
n = vsnprintf (p, size, fmt, ap);
#endif
/* If that worked, return the string. */
if (n > -1 && n < size)
return p;
//printf("Reallocing space.\n");
/* Else try again with more space. */
if (n > -1) /* glibc 2.1 */
size = n + 1; /* precisely what is needed */
else /* glibc 2.0 */
size *= 2; /* twice the old size */
if ((np = (char *) ortp_realloc (p, size)) == NULL)
{
free(p);
return NULL;
}
else
{
p = np;
}
}
}
