52 lines
886 B
C
52 lines
886 B
C
#include "lib.h"
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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__attribute__((__noreturn__))
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static void die() {
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exit(1);
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}
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void error_and_die(char *format, ...) {
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va_list list;
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va_start(list, format);
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vfprintf(stderr, format, list);
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die();
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}
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__attribute__((__noreturn__, format(printf, 1, 2)))
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void perror_and_die(char *format, ...) {
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va_list list;
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va_start(list, format);
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vfprintf(stderr, format, list);
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perror(": ");
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die();
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}
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void *xalloc(size_t amount) {
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void *res = malloc(amount);
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if (res == NULL)
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error_and_die("failed to allocate memory");
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return res;
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}
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void *xzalloc(size_t amount) {
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void *res = xalloc(amount);
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memset(res, 0, sizeof(amount));
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return res;
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}
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void *xrealloc(void *ptr, size_t amount) {
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void *res = realloc(ptr, amount);
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if (res == NULL)
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error_and_die("failed to allocate memory");
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return res;
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}
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