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-rw-r--r--example/cuse_client.c150
1 files changed, 0 insertions, 150 deletions
diff --git a/example/cuse_client.c b/example/cuse_client.c
deleted file mode 100644
index dbb2cb7..0000000
--- a/example/cuse_client.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- FUSE fioclient: FUSE ioctl example client
- Copyright (C) 2008 SUSE Linux Products GmbH
- Copyright (C) 2008 Tejun Heo <teheo@suse.de>
-
- This program can be distributed under the terms of the GNU GPL.
- See the file COPYING.
-*/
-
-/** @file
- *
- * This program tests the cuse.c example file system.
- *
- * Example usage (assuming that /dev/foobar is a CUSE device provided
- * by the cuse.c example file system):
- *
- * $ cuse_client /dev/foobar s
- * 0
- *
- * $ echo "hello" | cuse_client /dev/foobar w 6
- * Writing 6 bytes
- * transferred 6 bytes (0 -> 6)
- *
- * $ cuse_client /dev/foobar s
- * 6
- *
- * $ cuse_client /dev/foobar r 10
- * hello
- * transferred 6 bytes (6 -> 6)
- *
- * Compiling this example
- *
- * gcc -Wall cuse_client.c -o cuse_client
- *
- * ## Source Code ##
- * \include cuse_client.c
- */
-
-
-#include <sys/types.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-#include <errno.h>
-#include "ioctl.h"
-
-const char *usage =
-"Usage: cuse_client FIOC_FILE COMMAND\n"
-"\n"
-"COMMANDS\n"
-" s [SIZE] : get size if SIZE is omitted, set size otherwise\n"
-" r SIZE [OFF] : read SIZE bytes @ OFF (dfl 0) and output to stdout\n"
-" w SIZE [OFF] : write SIZE bytes @ OFF (dfl 0) from stdin\n"
-"\n";
-
-static int do_rw(int fd, int is_read, size_t size, off_t offset,
- size_t *prev_size, size_t *new_size)
-{
- struct fioc_rw_arg arg = { .offset = offset };
- ssize_t ret;
-
- arg.buf = calloc(1, size);
- if (!arg.buf) {
- fprintf(stderr, "failed to allocated %zu bytes\n", size);
- return -1;
- }
-
- if (is_read) {
- arg.size = size;
- ret = ioctl(fd, FIOC_READ, &arg);
- if (ret >= 0)
- fwrite(arg.buf, 1, ret, stdout);
- } else {
- arg.size = fread(arg.buf, 1, size, stdin);
- fprintf(stderr, "Writing %zu bytes\n", arg.size);
- ret = ioctl(fd, FIOC_WRITE, &arg);
- }
-
- if (ret >= 0) {
- *prev_size = arg.prev_size;
- *new_size = arg.new_size;
- } else
- perror("ioctl");
-
- free(arg.buf);
- return ret;
-}
-
-int main(int argc, char **argv)
-{
- size_t param[2] = { };
- size_t size, prev_size = 0, new_size = 0;
- char cmd;
- int fd, i, rc;
-
- if (argc < 3)
- goto usage;
-
- fd = open(argv[1], O_RDWR);
- if (fd < 0) {
- perror("open");
- return 1;
- }
-
- cmd = tolower(argv[2][0]);
- argc -= 3;
- argv += 3;
-
- for (i = 0; i < argc; i++) {
- char *endp;
- param[i] = strtoul(argv[i], &endp, 0);
- if (endp == argv[i] || *endp != '\0')
- goto usage;
- }
-
- switch (cmd) {
- case 's':
- if (!argc) {
- if (ioctl(fd, FIOC_GET_SIZE, &size)) {
- perror("ioctl");
- return 1;
- }
- printf("%zu\n", size);
- } else {
- size = param[0];
- if (ioctl(fd, FIOC_SET_SIZE, &size)) {
- perror("ioctl");
- return 1;
- }
- }
- return 0;
-
- case 'r':
- case 'w':
- rc = do_rw(fd, cmd == 'r', param[0], param[1],
- &prev_size, &new_size);
- if (rc < 0)
- return 1;
- fprintf(stderr, "transferred %d bytes (%zu -> %zu)\n",
- rc, prev_size, new_size);
- return 0;
- }
-
- usage:
- fprintf(stderr, "%s", usage);
- return 1;
-}