mighty

utils.c (1310B)

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#include "utils.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

file_t
read_file(const char *filename) {
    long fsize;
    char *source;
    FILE *fp = fopen(filename, "rb");
    if (fp == NULL) {
        fprintf(stderr, "file not found\n");
        fclose(fp);
        return (file_t){.contents = NULL, .len = 0};
    }

    if (fseek(fp, 0, SEEK_END) != 0) {
        fprintf(stderr, "could not read file\n");
        fclose(fp);
        exit(1);
    }

    fsize = ftell(fp);
    if (fsize < 0) {
        fprintf(stderr, "could not read size of file to load\n");
        fclose(fp);
        exit(1);
    }
    fseek(fp, 0, SEEK_SET);

    source = malloc(fsize + 1);
    if (!source) {
        fprintf(stderr, "could not allocate memory to read file\n");
        exit(1);
    }
    fread(source, fsize, 1, fp);
    fclose(fp);

    source[fsize] = '\0';
    return (file_t){.contents = source, .len = fsize};
}

void
separate_file_from_path(const char *fullpath, char **out_path, char **out_filename) {
    char *path = strdup(fullpath);
    char *filename = strrchr(path, '/');

    if (filename == NULL) {
        printf("No path found\n");
        exit(1);
    }

    *filename = '\0';
    filename++;
    *out_path = strdup(path);
    *out_filename = strdup(filename);
    free(path);
}