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path: root/tests/bugs/shard/bug-shard-discard.c
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#include <stdio.h>
#include <stdlib.h>
#include <glusterfs/api/glfs.h>
#include <glusterfs/api/glfs-handles.h>

int
main(int argc, char *argv[])
{
    int ret = 0;
    off_t off = 0;
    size_t len = 0;
    glfs_t *fs = NULL;
    glfs_fd_t *fd = NULL;

    if (argc != 7) {
        fprintf(
            stderr,
            "Syntax: %s <host> <volname> <file-path> <off> <len> <log-file>\n",
            argv[0]);
        return 1;
    }

    fs = glfs_new(argv[2]);
    if (!fs) {
        fprintf(stderr, "glfs_new: returned NULL\n");
        return 1;
    }

    ret = glfs_set_volfile_server(fs, "tcp", argv[1], 24007);
    if (ret != 0) {
        fprintf(stderr, "glfs_set_volfile_server: returned %d\n", ret);
        goto out;
    }

    ret = glfs_set_logging(fs, argv[6], 7);
    if (ret != 0) {
        fprintf(stderr, "glfs_set_logging: returned %d\n", ret);
        goto out;
    }

    ret = glfs_init(fs);
    if (ret != 0) {
        fprintf(stderr, "glfs_init: returned %d\n", ret);
        goto out;
    }

    fd = glfs_open(fs, argv[3], O_RDWR);
    if (fd == NULL) {
        fprintf(stderr, "glfs_open: returned NULL\n");
        goto out;
    }

    /* Note that off_t is signed but size_t isn't. */
    off = strtol(argv[4], NULL, 10);
    len = strtoul(argv[5], NULL, 10);

    ret = glfs_discard(fd, off, len);
    if (ret <= 0) {
        fprintf(stderr, "glfs_discard: returned %d\n", ret);
        goto out;
    }

    ret = 0;

out:
    if (fd)
        glfs_close(fd);
    glfs_fini(fs);
    return ret;
}