libarchive_read.c

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

int main(int argc, char *argv[]) {
    struct archive *a;
    struct archive_entry *e;
    int n, r;
    int64_t data;
    char *rbuf;

    for (n = 1; n < argc; n++) {
        a = archive_read_new();
        archive_read_support_filter_all(a);
        archive_read_support_format_all(a);

        r = archive_read_open_filename(a, argv[n], 10240);
        if (r != ARCHIVE_OK) {
            printf("Couldn't read filename: %s\n", argv[n]);
            archive_read_free(a);
            continue;
        }
        while (r == ARCHIVE_OK) {
            r = archive_read_next_header(a, &e);
            if (r == ARCHIVE_OK) {
                data = archive_filter_bytes(a, -1);
                printf("Path: %s, Pos: %ld\n", archive_entry_pathname(e), data);
                rbuf = malloc(10240);
                while (archive_read_data(a, rbuf, 10240) > 0)
                    ;
                free(rbuf);
            }
        }
        archive_read_free(a);
    }
}