cse-130-http-server/util.h

#ifndef INCLUDED_UTIL_H
#define INCLUDED_UTIL_H

#include <stddef.h>

#if __has_attribute(format)
#define PRINTF_LIKE(i, j) __attribute__((format(printf, i, j)))
#else
#define PRINTF_LIKE(i, j)
#endif

void *realloc_safe(void *oldptr, size_t size);
void *malloc_safe(size_t size);

// asprintf is not POSIX
PRINTF_LIKE(2, 3)
int alloc_sprintf(char *restrict *restrict out, const char *restrict fmt, ...);

PRINTF_LIKE(1, 2)
void log_error(const char *restrict fmt, ...);
void log_errno(const char *detail);

#endif