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#include "assert.h"
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void assert_internal(bool cond, const char *cond_str, const char *file,
int line, const char *msg, va_list args) {
if (!cond) {
va_list args2;
va_copy(args2, args);
ssize_t res = vsnprintf(NULL, 0, msg, args);
char *buf = (char *)msg;
if (res != -1) {
buf = malloc(res + 1);
vsnprintf(buf, res + 1, msg, args2);
}
va_end(args);
printf("\n%s:%d: assert failed (%s): %s\n", file, line, cond_str, buf);
if (buf != msg) {
free(buf);
}
raise(SIGABRT);
}
}
void assert(bool cond, const char *cond_str, const char *file, int line,
const char *msg, ...) {
va_list args;
va_start(args, msg);
assert_internal(cond, cond_str, file, line, msg, args);
}
void assert_streq(const char *left, const char *right, const char *file,
int line, const char *msg, ...) {
va_list args;
va_start(args, msg);
assert_internal(strcmp(left, right) == 0, "<left string> == <right string>",
file, line, msg, args);
}
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