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55 lines
777 B
55 lines
777 B
#include "util.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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void fatal(const char *fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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fprintf(stderr, "\n");
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va_end(args);
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exit(EXIT_FAILURE);
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}
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byte_arr_t *read_file(const char *filepath)
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{
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FILE *fp = fopen(filepath, "rb");
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byte_arr_t *arr = NULL;
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if (fp == NULL)
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{
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fprintf(stderr, "%s: ", filepath);
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perror("could not open");
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goto end;
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}
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fseek(fp, 0, SEEK_END);
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const long size = ftell(fp);
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if (size < 0)
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{
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goto end;
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}
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arr = malloc(sizeof *arr + size);
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if (arr == NULL)
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{
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goto end;
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}
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arr->size = size;
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rewind(fp);
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fread(arr->data, 1, size, fp);
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end:
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if (fp != NULL)
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{
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fclose(fp);
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}
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return arr;
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}
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