minizip_buf_hang_test.c

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

#include "mz.h"
#include "mz_os.h"
#include "mz_strm_buf.h"
#include "mz_zip.h"

static int32_t list_files(void *handle)
{
    int32_t ret = mz_zip_goto_first_entry(handle);
    if (ret != MZ_OK && ret != MZ_END_OF_LIST) {
        fprintf(stderr, "Failed to seek to first entry: %d\n", ret);
        return ret;
    }

    do {
        mz_zip_file *file_info;

        ret = mz_zip_entry_get_info(handle, &file_info);
        if (ret != MZ_OK) {
            fprintf(stderr, "Failed to get entry info: %d\n", ret);
            return ret;
        }

        printf("%s\n", file_info->filename);
    } while ((ret = mz_zip_goto_next_entry(handle)) == MZ_OK);

    if (ret != MZ_END_OF_LIST) {
        fprintf(stderr, "Failed to seek to next entry: %d\n", ret);
        return ret;
    }

    return MZ_OK;
}

int main(int argc, char *argv[])
{
    void *handle = NULL;
    void *file_stream = NULL;
    void *buf_stream = NULL;
    int ret;
    int exit_code = EXIT_FAILURE;

    if (argc == 1) {
        fprintf(stderr, "Usage: %s <file>\n", argv[0]);
        goto done;
    }

    if (!mz_stream_os_create(&file_stream)) {
        fprintf(stderr, "Failed to create OS stream\n");
        goto done;
    }

    if (!mz_stream_buffered_create(&buf_stream)) {
        fprintf(stderr, "Failed to create buffered stream\n");
        goto destroy_file_stream;
    }

    ret = mz_stream_set_base(buf_stream, file_stream);
    if (ret != MZ_OK) {
        fprintf(stderr, "Failed to set underlying stream for buffered stream: %d\n", ret);
        goto destroy_buf_stream;
    }

    ret = mz_stream_open(buf_stream, argv[1], MZ_OPEN_MODE_READ);
    if (ret != MZ_OK) {
        fprintf(stderr, "Failed to open file: %d\n", ret);
        goto destroy_buf_stream;
    }

    handle = mz_zip_open(buf_stream, MZ_OPEN_MODE_READ);
    if (!handle) {
        fprintf(stderr, "Failed to open zip\n");
        goto close_stream;
    }

    ret = list_files(handle);
    if (ret != MZ_OK) {
        goto close_zip;
    }

    exit_code = EXIT_SUCCESS;

close_zip:
    ret = mz_zip_close(handle);
    if (ret != MZ_OK) {
        fprintf(stderr, "Failed to close zip: %d\n", ret);
        exit_code = EXIT_FAILURE;
    }
close_stream:
    ret = mz_stream_close(buf_stream);
    if (ret != MZ_OK) {
        fprintf(stderr, "Failed to close stream: %d\n", ret);
        exit_code = EXIT_FAILURE;
    }
destroy_buf_stream:
    mz_stream_delete(&buf_stream);
destroy_file_stream:
    mz_stream_delete(&file_stream);
done:
    return exit_code;
}

mz_zip_open has changed api for 3 args

Thanks, though I don't intend to keep this snippet up to date. I only wrote it to demonstrate a bug in minizip that has since been fixed.