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#include "shared.h"
#include <stdarg.h>
#include <stdlib.h>
#include <errno.h>
#include <error.h>
#include <stdio.h>
void* xcalloc(size_t nmemb, size_t size) {
void *mem = calloc(nmemb, size);
if(mem == NULL) {
#if defined ___VXGG___XCALLOC_EXIT_ON_ERROR___ && ___VXGG___XCALLOC_EXIT_ON_ERROR___ > 0
error(1, errno, "<xcalloc> Could not allocate memory");
#endif
abort();
}
return mem;
}
void* xreallocarray(void *ptr, size_t nmemb, size_t size) {
void *mem = reallocarray(ptr, nmemb, size);
if(mem == NULL) {
#if defined ___VXGG___XCALLOC_EXIT_ON_ERROR___ && ___VXGG___XCALLOC_EXIT_ON_ERROR___ > 0
error(1, errno, "<xreallocarray> Could not allocate memory");
#endif
abort();
}
return mem;
}
#if !defined _GNU_SOURCE
int vasprintf(char **str, const char *format, va_list ap) {
va_list ap2;
int length, ret;
va_copy(ap2, ap);
if((length = vsnprintf(NULL, 0, format, ap2)) < 0)
return -1;
length++; // + 1 because sprintf does not count the null byte
va_end(ap2);
char *temp = reallocarray(*str, length, sizeof(char));
if(temp == NULL)
return -1;
if((ret = vsnprintf(temp, length, format, ap)) < 0) {
free(temp);
return -1;
} else {
*str = temp;
}
return ret;
}
int asprintf(char **str, const char *format, ...) {
va_list ap;
int ret;
va_start(ap, format);
ret = vasprintf(str, format, ap);
va_end(ap);
return ret;
}
#endif
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