psxc/src/util.c

#include "util.h"

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

byte_arr_t *read_file(const char *filepath) {
    FILE *fp = fopen(filepath, "rb");
    byte_arr_t *arr = NULL;

    if (fp == NULL) {
        // TODO: Log correctly
        fprintf(stderr, "%s: ", filepath);
        perror("could not open");
        goto end;
    }

    fseek(fp, 0, SEEK_END);
    const long size = ftell(fp);
    if (size < 0) {
        goto end;
    }

    arr = malloc(sizeof *arr + size);
    if (arr == NULL) {
        goto end;
    }

    arr->size = size;

    rewind(fp);
    fread(arr->data, 1, size, fp);

end:
    if (fp != NULL) {
        fclose(fp);
    }
    return arr;
}