Function read_file_to_string

fftools/cmdutils.c:1571–1594

read file contents into a string */

/* read file contents into a string */
char *read_file_to_string(const char *filename)
{
    AVIOContext *pb      = NULL;
    int ret = avio_open(&pb, filename, AVIO_FLAG_READ);
    AVBPrint bprint;
    char *str;

    if (ret < 0) {
        av_log(NULL, AV_LOG_ERROR, "Error opening file %s.\n", filename);
        return NULL;
    }

    av_bprint_init(&bprint, 0, AV_BPRINT_SIZE_UNLIMITED);
    ret = avio_read_to_bprint(pb, &bprint, SIZE_MAX);
    avio_closep(&pb);
    if (ret < 0) {
        av_bprint_finalize(&bprint, NULL);
        return NULL;
    }
    ret = av_bprint_finalize(&bprint, &str);
    if (ret < 0)
        return NULL;
    return str;
}

void remove_avoptions(AVDictionary **a, AVDictionary *b)
{