Function write_json_file

src/cli/cli.c:758–788

Write a mutable yyjson document to a file with pretty printing. */

/* Write a mutable yyjson document to a file with pretty printing. */
static int write_json_file(const char *path, yyjson_mut_doc *doc) {
    /* Ensure parent directory exists */
    char dir[CLI_BUF_1K];
    snprintf(dir, sizeof(dir), "%s", path);
    char *last_slash = strrchr(dir, '/');
    if (last_slash) {
        *last_slash = '\0';
        mkdirp(dir, DIR_PERMS);
    }

    yyjson_write_flag flags = YYJSON_WRITE_PRETTY | YYJSON_WRITE_ESCAPE_UNICODE;
    size_t len;
    char *json = yyjson_mut_write(doc, flags, &len);
    if (!json) {
        return CLI_ERR;
    }

    FILE *f = fopen(path, "w");
    if (!f) {
        free(json);
        return CLI_ERR;
    }

    size_t written = fwrite(json, CLI_ELEM_SIZE, len, f);
    /* Add trailing newline */
    (void)fputc('\n', f);
    (void)fclose(f);
    free(json);

    return written == len ? 0 : CLI_ERR;
}

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