root / qemu-img.c @ 8984bd2e
History | View | Annotate | Download (20.4 kB)
1 | ea2384d3 | bellard | /*
|
---|---|---|---|
2 | fb43f4dd | bellard | * QEMU disk image utility
|
3 | 5fafdf24 | ths | *
|
4 | 68d0f70e | bellard | * Copyright (c) 2003-2008 Fabrice Bellard
|
5 | 5fafdf24 | ths | *
|
6 | ea2384d3 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 | ea2384d3 | bellard | * of this software and associated documentation files (the "Software"), to deal
|
8 | ea2384d3 | bellard | * in the Software without restriction, including without limitation the rights
|
9 | ea2384d3 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 | ea2384d3 | bellard | * copies of the Software, and to permit persons to whom the Software is
|
11 | ea2384d3 | bellard | * furnished to do so, subject to the following conditions:
|
12 | ea2384d3 | bellard | *
|
13 | ea2384d3 | bellard | * The above copyright notice and this permission notice shall be included in
|
14 | ea2384d3 | bellard | * all copies or substantial portions of the Software.
|
15 | ea2384d3 | bellard | *
|
16 | ea2384d3 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 | ea2384d3 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 | ea2384d3 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 | ea2384d3 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 | ea2384d3 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 | ea2384d3 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 | ea2384d3 | bellard | * THE SOFTWARE.
|
23 | ea2384d3 | bellard | */
|
24 | faf07963 | pbrook | #include "qemu-common.h" |
25 | ec36ba14 | ths | #include "block_int.h" |
26 | 926c2d23 | balrog | #include <assert.h> |
27 | ea2384d3 | bellard | |
28 | e8445331 | bellard | #ifdef _WIN32
|
29 | 4fddf62a | ths | #define WIN32_LEAN_AND_MEAN
|
30 | e8445331 | bellard | #include <windows.h> |
31 | e8445331 | bellard | #endif
|
32 | e8445331 | bellard | |
33 | ea2384d3 | bellard | void *get_mmap_addr(unsigned long size) |
34 | ea2384d3 | bellard | { |
35 | ea2384d3 | bellard | return NULL; |
36 | ea2384d3 | bellard | } |
37 | ea2384d3 | bellard | |
38 | ea2384d3 | bellard | void qemu_free(void *ptr) |
39 | ea2384d3 | bellard | { |
40 | ea2384d3 | bellard | free(ptr); |
41 | ea2384d3 | bellard | } |
42 | ea2384d3 | bellard | |
43 | ea2384d3 | bellard | void *qemu_malloc(size_t size)
|
44 | ea2384d3 | bellard | { |
45 | ea2384d3 | bellard | return malloc(size);
|
46 | ea2384d3 | bellard | } |
47 | ea2384d3 | bellard | |
48 | ea2384d3 | bellard | void *qemu_mallocz(size_t size)
|
49 | ea2384d3 | bellard | { |
50 | ea2384d3 | bellard | void *ptr;
|
51 | ea2384d3 | bellard | ptr = qemu_malloc(size); |
52 | ea2384d3 | bellard | if (!ptr)
|
53 | ea2384d3 | bellard | return NULL; |
54 | ea2384d3 | bellard | memset(ptr, 0, size);
|
55 | ea2384d3 | bellard | return ptr;
|
56 | ea2384d3 | bellard | } |
57 | ea2384d3 | bellard | |
58 | ea2384d3 | bellard | char *qemu_strdup(const char *str) |
59 | ea2384d3 | bellard | { |
60 | ea2384d3 | bellard | char *ptr;
|
61 | ea2384d3 | bellard | ptr = qemu_malloc(strlen(str) + 1);
|
62 | ea2384d3 | bellard | if (!ptr)
|
63 | ea2384d3 | bellard | return NULL; |
64 | ea2384d3 | bellard | strcpy(ptr, str); |
65 | ea2384d3 | bellard | return ptr;
|
66 | ea2384d3 | bellard | } |
67 | ea2384d3 | bellard | |
68 | 3f379ab1 | pbrook | static void __attribute__((noreturn)) error(const char *fmt, ...) |
69 | ea2384d3 | bellard | { |
70 | ea2384d3 | bellard | va_list ap; |
71 | ea2384d3 | bellard | va_start(ap, fmt); |
72 | 57d1a2b6 | bellard | fprintf(stderr, "qemu-img: ");
|
73 | ea2384d3 | bellard | vfprintf(stderr, fmt, ap); |
74 | ea2384d3 | bellard | fprintf(stderr, "\n");
|
75 | ea2384d3 | bellard | exit(1);
|
76 | ea2384d3 | bellard | va_end(ap); |
77 | ea2384d3 | bellard | } |
78 | ea2384d3 | bellard | |
79 | ea2384d3 | bellard | static void format_print(void *opaque, const char *name) |
80 | ea2384d3 | bellard | { |
81 | ea2384d3 | bellard | printf(" %s", name);
|
82 | ea2384d3 | bellard | } |
83 | ea2384d3 | bellard | |
84 | 3f379ab1 | pbrook | static void help(void) |
85 | ea2384d3 | bellard | { |
86 | 68d0f70e | bellard | printf("qemu-img version " QEMU_VERSION ", Copyright (c) 2004-2008 Fabrice Bellard\n" |
87 | 57d1a2b6 | bellard | "usage: qemu-img command [command options]\n"
|
88 | ea2384d3 | bellard | "QEMU disk image utility\n"
|
89 | ea2384d3 | bellard | "\n"
|
90 | ea2384d3 | bellard | "Command syntax:\n"
|
91 | ec36ba14 | ths | " create [-e] [-6] [-b base_image] [-f fmt] filename [size]\n"
|
92 | ea2384d3 | bellard | " commit [-f fmt] filename\n"
|
93 | c0be16d3 | balrog | " convert [-c] [-e] [-6] [-f fmt] [-O output_fmt] filename [filename2 [...]] output_filename\n"
|
94 | ea2384d3 | bellard | " info [-f fmt] filename\n"
|
95 | ea2384d3 | bellard | "\n"
|
96 | ea2384d3 | bellard | "Command parameters:\n"
|
97 | ea2384d3 | bellard | " 'filename' is a disk image filename\n"
|
98 | ea2384d3 | bellard | " 'base_image' is the read-only disk image which is used as base for a copy on\n"
|
99 | ea2384d3 | bellard | " write image; the copy on write image only stores the modified data\n"
|
100 | ea2384d3 | bellard | " 'fmt' is the disk image format. It is guessed automatically in most cases\n"
|
101 | ea2384d3 | bellard | " 'size' is the disk image size in kilobytes. Optional suffixes 'M' (megabyte)\n"
|
102 | ea2384d3 | bellard | " and 'G' (gigabyte) are supported\n"
|
103 | ea2384d3 | bellard | " 'output_filename' is the destination disk image filename\n"
|
104 | ea2384d3 | bellard | " 'output_fmt' is the destination format\n"
|
105 | ea2384d3 | bellard | " '-c' indicates that target image must be compressed (qcow format only)\n"
|
106 | ea2384d3 | bellard | " '-e' indicates that the target image must be encrypted (qcow format only)\n"
|
107 | ec36ba14 | ths | " '-6' indicates that the target image must use compatibility level 6 (vmdk format only)\n"
|
108 | ea2384d3 | bellard | ); |
109 | ea2384d3 | bellard | printf("\nSupported format:");
|
110 | ea2384d3 | bellard | bdrv_iterate_format(format_print, NULL);
|
111 | ea2384d3 | bellard | printf("\n");
|
112 | ea2384d3 | bellard | exit(1);
|
113 | ea2384d3 | bellard | } |
114 | ea2384d3 | bellard | |
115 | ea2384d3 | bellard | #if defined(WIN32)
|
116 | ea2384d3 | bellard | /* XXX: put correct support for win32 */
|
117 | ea2384d3 | bellard | static int read_password(char *buf, int buf_size) |
118 | ea2384d3 | bellard | { |
119 | ea2384d3 | bellard | int c, i;
|
120 | ea2384d3 | bellard | printf("Password: ");
|
121 | ea2384d3 | bellard | fflush(stdout); |
122 | ea2384d3 | bellard | i = 0;
|
123 | ea2384d3 | bellard | for(;;) {
|
124 | ea2384d3 | bellard | c = getchar(); |
125 | ea2384d3 | bellard | if (c == '\n') |
126 | ea2384d3 | bellard | break;
|
127 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
128 | ea2384d3 | bellard | buf[i++] = c; |
129 | ea2384d3 | bellard | } |
130 | ea2384d3 | bellard | buf[i] = '\0';
|
131 | ea2384d3 | bellard | return 0; |
132 | ea2384d3 | bellard | } |
133 | ea2384d3 | bellard | |
134 | ea2384d3 | bellard | #else
|
135 | ea2384d3 | bellard | |
136 | ea2384d3 | bellard | #include <termios.h> |
137 | ea2384d3 | bellard | |
138 | ea2384d3 | bellard | static struct termios oldtty; |
139 | ea2384d3 | bellard | |
140 | ea2384d3 | bellard | static void term_exit(void) |
141 | ea2384d3 | bellard | { |
142 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &oldtty);
|
143 | ea2384d3 | bellard | } |
144 | ea2384d3 | bellard | |
145 | ea2384d3 | bellard | static void term_init(void) |
146 | ea2384d3 | bellard | { |
147 | ea2384d3 | bellard | struct termios tty;
|
148 | ea2384d3 | bellard | |
149 | ea2384d3 | bellard | tcgetattr (0, &tty);
|
150 | ea2384d3 | bellard | oldtty = tty; |
151 | ea2384d3 | bellard | |
152 | ea2384d3 | bellard | tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP |
153 | ea2384d3 | bellard | |INLCR|IGNCR|ICRNL|IXON); |
154 | ea2384d3 | bellard | tty.c_oflag |= OPOST; |
155 | ea2384d3 | bellard | tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); |
156 | ea2384d3 | bellard | tty.c_cflag &= ~(CSIZE|PARENB); |
157 | ea2384d3 | bellard | tty.c_cflag |= CS8; |
158 | ea2384d3 | bellard | tty.c_cc[VMIN] = 1;
|
159 | ea2384d3 | bellard | tty.c_cc[VTIME] = 0;
|
160 | 3b46e624 | ths | |
161 | ea2384d3 | bellard | tcsetattr (0, TCSANOW, &tty);
|
162 | ea2384d3 | bellard | |
163 | ea2384d3 | bellard | atexit(term_exit); |
164 | ea2384d3 | bellard | } |
165 | ea2384d3 | bellard | |
166 | 3f379ab1 | pbrook | static int read_password(char *buf, int buf_size) |
167 | ea2384d3 | bellard | { |
168 | ea2384d3 | bellard | uint8_t ch; |
169 | ea2384d3 | bellard | int i, ret;
|
170 | ea2384d3 | bellard | |
171 | ea2384d3 | bellard | printf("password: ");
|
172 | ea2384d3 | bellard | fflush(stdout); |
173 | ea2384d3 | bellard | term_init(); |
174 | ea2384d3 | bellard | i = 0;
|
175 | ea2384d3 | bellard | for(;;) {
|
176 | ea2384d3 | bellard | ret = read(0, &ch, 1); |
177 | ea2384d3 | bellard | if (ret == -1) { |
178 | ea2384d3 | bellard | if (errno == EAGAIN || errno == EINTR) {
|
179 | ea2384d3 | bellard | continue;
|
180 | ea2384d3 | bellard | } else {
|
181 | ea2384d3 | bellard | ret = -1;
|
182 | ea2384d3 | bellard | break;
|
183 | ea2384d3 | bellard | } |
184 | ea2384d3 | bellard | } else if (ret == 0) { |
185 | ea2384d3 | bellard | ret = -1;
|
186 | ea2384d3 | bellard | break;
|
187 | ea2384d3 | bellard | } else {
|
188 | ea2384d3 | bellard | if (ch == '\r') { |
189 | ea2384d3 | bellard | ret = 0;
|
190 | ea2384d3 | bellard | break;
|
191 | ea2384d3 | bellard | } |
192 | ea2384d3 | bellard | if (i < (buf_size - 1)) |
193 | ea2384d3 | bellard | buf[i++] = ch; |
194 | ea2384d3 | bellard | } |
195 | ea2384d3 | bellard | } |
196 | ea2384d3 | bellard | term_exit(); |
197 | ea2384d3 | bellard | buf[i] = '\0';
|
198 | ea2384d3 | bellard | printf("\n");
|
199 | ea2384d3 | bellard | return ret;
|
200 | ea2384d3 | bellard | } |
201 | ea2384d3 | bellard | #endif
|
202 | ea2384d3 | bellard | |
203 | 75c23805 | bellard | static BlockDriverState *bdrv_new_open(const char *filename, |
204 | 75c23805 | bellard | const char *fmt) |
205 | 75c23805 | bellard | { |
206 | 75c23805 | bellard | BlockDriverState *bs; |
207 | 75c23805 | bellard | BlockDriver *drv; |
208 | 75c23805 | bellard | char password[256]; |
209 | 75c23805 | bellard | |
210 | 75c23805 | bellard | bs = bdrv_new("");
|
211 | 75c23805 | bellard | if (!bs)
|
212 | 75c23805 | bellard | error("Not enough memory");
|
213 | 75c23805 | bellard | if (fmt) {
|
214 | 75c23805 | bellard | drv = bdrv_find_format(fmt); |
215 | 75c23805 | bellard | if (!drv)
|
216 | 75c23805 | bellard | error("Unknown file format '%s'", fmt);
|
217 | 75c23805 | bellard | } else {
|
218 | 75c23805 | bellard | drv = NULL;
|
219 | 75c23805 | bellard | } |
220 | 75c23805 | bellard | if (bdrv_open2(bs, filename, 0, drv) < 0) { |
221 | 75c23805 | bellard | error("Could not open '%s'", filename);
|
222 | 75c23805 | bellard | } |
223 | 75c23805 | bellard | if (bdrv_is_encrypted(bs)) {
|
224 | 75c23805 | bellard | printf("Disk image '%s' is encrypted.\n", filename);
|
225 | 75c23805 | bellard | if (read_password(password, sizeof(password)) < 0) |
226 | 75c23805 | bellard | error("No password given");
|
227 | 75c23805 | bellard | if (bdrv_set_key(bs, password) < 0) |
228 | 75c23805 | bellard | error("invalid password");
|
229 | 75c23805 | bellard | } |
230 | 75c23805 | bellard | return bs;
|
231 | 75c23805 | bellard | } |
232 | 75c23805 | bellard | |
233 | ea2384d3 | bellard | static int img_create(int argc, char **argv) |
234 | ea2384d3 | bellard | { |
235 | ec36ba14 | ths | int c, ret, flags;
|
236 | ea2384d3 | bellard | const char *fmt = "raw"; |
237 | ea2384d3 | bellard | const char *filename; |
238 | ea2384d3 | bellard | const char *base_filename = NULL; |
239 | 96b8f136 | ths | uint64_t size; |
240 | ea2384d3 | bellard | const char *p; |
241 | ea2384d3 | bellard | BlockDriver *drv; |
242 | 3b46e624 | ths | |
243 | ec36ba14 | ths | flags = 0;
|
244 | ea2384d3 | bellard | for(;;) {
|
245 | ec36ba14 | ths | c = getopt(argc, argv, "b:f:he6");
|
246 | ea2384d3 | bellard | if (c == -1) |
247 | ea2384d3 | bellard | break;
|
248 | ea2384d3 | bellard | switch(c) {
|
249 | ea2384d3 | bellard | case 'h': |
250 | ea2384d3 | bellard | help(); |
251 | ea2384d3 | bellard | break;
|
252 | ea2384d3 | bellard | case 'b': |
253 | ea2384d3 | bellard | base_filename = optarg; |
254 | ea2384d3 | bellard | break;
|
255 | ea2384d3 | bellard | case 'f': |
256 | ea2384d3 | bellard | fmt = optarg; |
257 | ea2384d3 | bellard | break;
|
258 | ea2384d3 | bellard | case 'e': |
259 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
260 | ea2384d3 | bellard | break;
|
261 | d8871c5a | ths | case '6': |
262 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
263 | d8871c5a | ths | break;
|
264 | ea2384d3 | bellard | } |
265 | ea2384d3 | bellard | } |
266 | 5fafdf24 | ths | if (optind >= argc)
|
267 | ea2384d3 | bellard | help(); |
268 | ea2384d3 | bellard | filename = argv[optind++]; |
269 | ea2384d3 | bellard | size = 0;
|
270 | 75c23805 | bellard | if (base_filename) {
|
271 | 75c23805 | bellard | BlockDriverState *bs; |
272 | 75c23805 | bellard | bs = bdrv_new_open(base_filename, NULL);
|
273 | 75c23805 | bellard | bdrv_get_geometry(bs, &size); |
274 | 75c23805 | bellard | size *= 512;
|
275 | 75c23805 | bellard | bdrv_delete(bs); |
276 | 75c23805 | bellard | } else {
|
277 | ea2384d3 | bellard | if (optind >= argc)
|
278 | ea2384d3 | bellard | help(); |
279 | ea2384d3 | bellard | p = argv[optind]; |
280 | ea2384d3 | bellard | size = strtoul(p, (char **)&p, 0); |
281 | ea2384d3 | bellard | if (*p == 'M') { |
282 | ea2384d3 | bellard | size *= 1024 * 1024; |
283 | ea2384d3 | bellard | } else if (*p == 'G') { |
284 | ea2384d3 | bellard | size *= 1024 * 1024 * 1024; |
285 | ea2384d3 | bellard | } else if (*p == 'k' || *p == 'K' || *p == '\0') { |
286 | ea2384d3 | bellard | size *= 1024;
|
287 | ea2384d3 | bellard | } else {
|
288 | ea2384d3 | bellard | help(); |
289 | ea2384d3 | bellard | } |
290 | ea2384d3 | bellard | } |
291 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
292 | ea2384d3 | bellard | if (!drv)
|
293 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
294 | 0cfec834 | ths | printf("Formatting '%s', fmt=%s",
|
295 | ea2384d3 | bellard | filename, fmt); |
296 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT)
|
297 | ea2384d3 | bellard | printf(", encrypted");
|
298 | ec36ba14 | ths | if (flags & BLOCK_FLAG_COMPAT6)
|
299 | ec36ba14 | ths | printf(", compatibility level=6");
|
300 | 75c23805 | bellard | if (base_filename) {
|
301 | 75c23805 | bellard | printf(", backing_file=%s",
|
302 | ea2384d3 | bellard | base_filename); |
303 | 75c23805 | bellard | } |
304 | 96b8f136 | ths | printf(", size=%" PRIu64 " kB\n", size / 1024); |
305 | ec36ba14 | ths | ret = bdrv_create(drv, filename, size / 512, base_filename, flags);
|
306 | ea2384d3 | bellard | if (ret < 0) { |
307 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
|
308 | 3c56521b | bellard | error("Formatting or formatting option not supported for file format '%s'", fmt);
|
309 | ea2384d3 | bellard | } else {
|
310 | ea2384d3 | bellard | error("Error while formatting");
|
311 | ea2384d3 | bellard | } |
312 | ea2384d3 | bellard | } |
313 | ea2384d3 | bellard | return 0; |
314 | ea2384d3 | bellard | } |
315 | ea2384d3 | bellard | |
316 | ea2384d3 | bellard | static int img_commit(int argc, char **argv) |
317 | ea2384d3 | bellard | { |
318 | ea2384d3 | bellard | int c, ret;
|
319 | ea2384d3 | bellard | const char *filename, *fmt; |
320 | ea2384d3 | bellard | BlockDriver *drv; |
321 | ea2384d3 | bellard | BlockDriverState *bs; |
322 | ea2384d3 | bellard | |
323 | ea2384d3 | bellard | fmt = NULL;
|
324 | ea2384d3 | bellard | for(;;) {
|
325 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
|
326 | ea2384d3 | bellard | if (c == -1) |
327 | ea2384d3 | bellard | break;
|
328 | ea2384d3 | bellard | switch(c) {
|
329 | ea2384d3 | bellard | case 'h': |
330 | ea2384d3 | bellard | help(); |
331 | ea2384d3 | bellard | break;
|
332 | ea2384d3 | bellard | case 'f': |
333 | ea2384d3 | bellard | fmt = optarg; |
334 | ea2384d3 | bellard | break;
|
335 | ea2384d3 | bellard | } |
336 | ea2384d3 | bellard | } |
337 | 5fafdf24 | ths | if (optind >= argc)
|
338 | ea2384d3 | bellard | help(); |
339 | ea2384d3 | bellard | filename = argv[optind++]; |
340 | ea2384d3 | bellard | |
341 | ea2384d3 | bellard | bs = bdrv_new("");
|
342 | ea2384d3 | bellard | if (!bs)
|
343 | ea2384d3 | bellard | error("Not enough memory");
|
344 | ea2384d3 | bellard | if (fmt) {
|
345 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
346 | ea2384d3 | bellard | if (!drv)
|
347 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
348 | ea2384d3 | bellard | } else {
|
349 | ea2384d3 | bellard | drv = NULL;
|
350 | ea2384d3 | bellard | } |
351 | ea2384d3 | bellard | if (bdrv_open2(bs, filename, 0, drv) < 0) { |
352 | ea2384d3 | bellard | error("Could not open '%s'", filename);
|
353 | ea2384d3 | bellard | } |
354 | ea2384d3 | bellard | ret = bdrv_commit(bs); |
355 | ea2384d3 | bellard | switch(ret) {
|
356 | ea2384d3 | bellard | case 0: |
357 | ea2384d3 | bellard | printf("Image committed.\n");
|
358 | ea2384d3 | bellard | break;
|
359 | ea2384d3 | bellard | case -ENOENT:
|
360 | ea2384d3 | bellard | error("No disk inserted");
|
361 | ea2384d3 | bellard | break;
|
362 | ea2384d3 | bellard | case -EACCES:
|
363 | ea2384d3 | bellard | error("Image is read-only");
|
364 | ea2384d3 | bellard | break;
|
365 | ea2384d3 | bellard | case -ENOTSUP:
|
366 | ea2384d3 | bellard | error("Image is already committed");
|
367 | ea2384d3 | bellard | break;
|
368 | ea2384d3 | bellard | default:
|
369 | ea2384d3 | bellard | error("Error while committing image");
|
370 | ea2384d3 | bellard | break;
|
371 | ea2384d3 | bellard | } |
372 | ea2384d3 | bellard | |
373 | ea2384d3 | bellard | bdrv_delete(bs); |
374 | ea2384d3 | bellard | return 0; |
375 | ea2384d3 | bellard | } |
376 | ea2384d3 | bellard | |
377 | ea2384d3 | bellard | static int is_not_zero(const uint8_t *sector, int len) |
378 | ea2384d3 | bellard | { |
379 | ea2384d3 | bellard | int i;
|
380 | ea2384d3 | bellard | len >>= 2;
|
381 | ea2384d3 | bellard | for(i = 0;i < len; i++) { |
382 | ea2384d3 | bellard | if (((uint32_t *)sector)[i] != 0) |
383 | ea2384d3 | bellard | return 1; |
384 | ea2384d3 | bellard | } |
385 | ea2384d3 | bellard | return 0; |
386 | ea2384d3 | bellard | } |
387 | ea2384d3 | bellard | |
388 | ea2384d3 | bellard | static int is_allocated_sectors(const uint8_t *buf, int n, int *pnum) |
389 | ea2384d3 | bellard | { |
390 | ea2384d3 | bellard | int v, i;
|
391 | ea2384d3 | bellard | |
392 | ea2384d3 | bellard | if (n <= 0) { |
393 | ea2384d3 | bellard | *pnum = 0;
|
394 | ea2384d3 | bellard | return 0; |
395 | ea2384d3 | bellard | } |
396 | ea2384d3 | bellard | v = is_not_zero(buf, 512);
|
397 | ea2384d3 | bellard | for(i = 1; i < n; i++) { |
398 | ea2384d3 | bellard | buf += 512;
|
399 | ea2384d3 | bellard | if (v != is_not_zero(buf, 512)) |
400 | ea2384d3 | bellard | break;
|
401 | ea2384d3 | bellard | } |
402 | ea2384d3 | bellard | *pnum = i; |
403 | ea2384d3 | bellard | return v;
|
404 | ea2384d3 | bellard | } |
405 | ea2384d3 | bellard | |
406 | ea2384d3 | bellard | #define IO_BUF_SIZE 65536 |
407 | ea2384d3 | bellard | |
408 | ea2384d3 | bellard | static int img_convert(int argc, char **argv) |
409 | ea2384d3 | bellard | { |
410 | 926c2d23 | balrog | int c, ret, n, n1, bs_n, bs_i, flags, cluster_size, cluster_sectors;
|
411 | 926c2d23 | balrog | const char *fmt, *out_fmt, *out_filename; |
412 | ea2384d3 | bellard | BlockDriver *drv; |
413 | 926c2d23 | balrog | BlockDriverState **bs, *out_bs; |
414 | 96b8f136 | ths | int64_t total_sectors, nb_sectors, sector_num, bs_offset; |
415 | 96b8f136 | ths | uint64_t bs_sectors; |
416 | ea2384d3 | bellard | uint8_t buf[IO_BUF_SIZE]; |
417 | ea2384d3 | bellard | const uint8_t *buf1;
|
418 | faea38e7 | bellard | BlockDriverInfo bdi; |
419 | ea2384d3 | bellard | |
420 | ea2384d3 | bellard | fmt = NULL;
|
421 | ea2384d3 | bellard | out_fmt = "raw";
|
422 | ec36ba14 | ths | flags = 0;
|
423 | ea2384d3 | bellard | for(;;) {
|
424 | ec36ba14 | ths | c = getopt(argc, argv, "f:O:hce6");
|
425 | ea2384d3 | bellard | if (c == -1) |
426 | ea2384d3 | bellard | break;
|
427 | ea2384d3 | bellard | switch(c) {
|
428 | ea2384d3 | bellard | case 'h': |
429 | ea2384d3 | bellard | help(); |
430 | ea2384d3 | bellard | break;
|
431 | ea2384d3 | bellard | case 'f': |
432 | ea2384d3 | bellard | fmt = optarg; |
433 | ea2384d3 | bellard | break;
|
434 | ea2384d3 | bellard | case 'O': |
435 | ea2384d3 | bellard | out_fmt = optarg; |
436 | ea2384d3 | bellard | break;
|
437 | ea2384d3 | bellard | case 'c': |
438 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPRESS; |
439 | ea2384d3 | bellard | break;
|
440 | ea2384d3 | bellard | case 'e': |
441 | ec36ba14 | ths | flags |= BLOCK_FLAG_ENCRYPT; |
442 | ec36ba14 | ths | break;
|
443 | ec36ba14 | ths | case '6': |
444 | ec36ba14 | ths | flags |= BLOCK_FLAG_COMPAT6; |
445 | ea2384d3 | bellard | break;
|
446 | ea2384d3 | bellard | } |
447 | ea2384d3 | bellard | } |
448 | 3b46e624 | ths | |
449 | 926c2d23 | balrog | bs_n = argc - optind - 1;
|
450 | 926c2d23 | balrog | if (bs_n < 1) help(); |
451 | 926c2d23 | balrog | |
452 | 926c2d23 | balrog | out_filename = argv[argc - 1];
|
453 | 926c2d23 | balrog | |
454 | 926c2d23 | balrog | bs = calloc(bs_n, sizeof(BlockDriverState *));
|
455 | 926c2d23 | balrog | if (!bs)
|
456 | 926c2d23 | balrog | error("Out of memory");
|
457 | 926c2d23 | balrog | |
458 | 926c2d23 | balrog | total_sectors = 0;
|
459 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) { |
460 | 926c2d23 | balrog | bs[bs_i] = bdrv_new_open(argv[optind + bs_i], fmt); |
461 | 926c2d23 | balrog | if (!bs[bs_i])
|
462 | 926c2d23 | balrog | error("Could not open '%s'", argv[optind + bs_i]);
|
463 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
464 | 926c2d23 | balrog | total_sectors += bs_sectors; |
465 | 926c2d23 | balrog | } |
466 | ea2384d3 | bellard | |
467 | ea2384d3 | bellard | drv = bdrv_find_format(out_fmt); |
468 | ea2384d3 | bellard | if (!drv)
|
469 | d34dda5e | ths | error("Unknown file format '%s'", out_fmt);
|
470 | ec36ba14 | ths | if (flags & BLOCK_FLAG_COMPRESS && drv != &bdrv_qcow && drv != &bdrv_qcow2)
|
471 | ea2384d3 | bellard | error("Compression not supported for this file format");
|
472 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT && drv != &bdrv_qcow && drv != &bdrv_qcow2)
|
473 | ea2384d3 | bellard | error("Encryption not supported for this file format");
|
474 | d8871c5a | ths | if (flags & BLOCK_FLAG_COMPAT6 && drv != &bdrv_vmdk)
|
475 | ec36ba14 | ths | error("Alternative compatibility level not supported for this file format");
|
476 | ec36ba14 | ths | if (flags & BLOCK_FLAG_ENCRYPT && flags & BLOCK_FLAG_COMPRESS)
|
477 | ea2384d3 | bellard | error("Compression and encryption not supported at the same time");
|
478 | 926c2d23 | balrog | |
479 | ec36ba14 | ths | ret = bdrv_create(drv, out_filename, total_sectors, NULL, flags);
|
480 | ea2384d3 | bellard | if (ret < 0) { |
481 | ea2384d3 | bellard | if (ret == -ENOTSUP) {
|
482 | 3c56521b | bellard | error("Formatting not supported for file format '%s'", fmt);
|
483 | ea2384d3 | bellard | } else {
|
484 | ea2384d3 | bellard | error("Error while formatting '%s'", out_filename);
|
485 | ea2384d3 | bellard | } |
486 | ea2384d3 | bellard | } |
487 | 3b46e624 | ths | |
488 | ea2384d3 | bellard | out_bs = bdrv_new_open(out_filename, out_fmt); |
489 | ea2384d3 | bellard | |
490 | 926c2d23 | balrog | bs_i = 0;
|
491 | 926c2d23 | balrog | bs_offset = 0;
|
492 | 926c2d23 | balrog | bdrv_get_geometry(bs[0], &bs_sectors);
|
493 | 926c2d23 | balrog | |
494 | 926c2d23 | balrog | if (flags & BLOCK_FLAG_COMPRESS) {
|
495 | faea38e7 | bellard | if (bdrv_get_info(out_bs, &bdi) < 0) |
496 | faea38e7 | bellard | error("could not get block driver info");
|
497 | faea38e7 | bellard | cluster_size = bdi.cluster_size; |
498 | ea2384d3 | bellard | if (cluster_size <= 0 || cluster_size > IO_BUF_SIZE) |
499 | ea2384d3 | bellard | error("invalid cluster size");
|
500 | ea2384d3 | bellard | cluster_sectors = cluster_size >> 9;
|
501 | ea2384d3 | bellard | sector_num = 0;
|
502 | ea2384d3 | bellard | for(;;) {
|
503 | 926c2d23 | balrog | int64_t bs_num; |
504 | 926c2d23 | balrog | int remainder;
|
505 | 926c2d23 | balrog | uint8_t *buf2; |
506 | 926c2d23 | balrog | |
507 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
508 | ea2384d3 | bellard | if (nb_sectors <= 0) |
509 | ea2384d3 | bellard | break;
|
510 | ea2384d3 | bellard | if (nb_sectors >= cluster_sectors)
|
511 | ea2384d3 | bellard | n = cluster_sectors; |
512 | ea2384d3 | bellard | else
|
513 | ea2384d3 | bellard | n = nb_sectors; |
514 | 926c2d23 | balrog | |
515 | 926c2d23 | balrog | bs_num = sector_num - bs_offset; |
516 | 926c2d23 | balrog | assert (bs_num >= 0);
|
517 | 926c2d23 | balrog | remainder = n; |
518 | 926c2d23 | balrog | buf2 = buf; |
519 | 926c2d23 | balrog | while (remainder > 0) { |
520 | 926c2d23 | balrog | int nlow;
|
521 | 926c2d23 | balrog | while (bs_num == bs_sectors) {
|
522 | 926c2d23 | balrog | bs_i++; |
523 | 926c2d23 | balrog | assert (bs_i < bs_n); |
524 | 926c2d23 | balrog | bs_offset += bs_sectors; |
525 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
526 | 926c2d23 | balrog | bs_num = 0;
|
527 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, "
|
528 | 926c2d23 | balrog | "bs_i=%d, bs_offset=%lld, bs_sectors=%lld\n",
|
529 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
530 | 926c2d23 | balrog | } |
531 | 926c2d23 | balrog | assert (bs_num < bs_sectors); |
532 | 926c2d23 | balrog | |
533 | 926c2d23 | balrog | nlow = (remainder > bs_sectors - bs_num) ? bs_sectors - bs_num : remainder; |
534 | 926c2d23 | balrog | |
535 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], bs_num, buf2, nlow) < 0) |
536 | 926c2d23 | balrog | error("error while reading");
|
537 | 926c2d23 | balrog | |
538 | 926c2d23 | balrog | buf2 += nlow * 512;
|
539 | 926c2d23 | balrog | bs_num += nlow; |
540 | 926c2d23 | balrog | |
541 | 926c2d23 | balrog | remainder -= nlow; |
542 | 926c2d23 | balrog | } |
543 | 926c2d23 | balrog | assert (remainder == 0);
|
544 | 926c2d23 | balrog | |
545 | ea2384d3 | bellard | if (n < cluster_sectors)
|
546 | ea2384d3 | bellard | memset(buf + n * 512, 0, cluster_size - n * 512); |
547 | ea2384d3 | bellard | if (is_not_zero(buf, cluster_size)) {
|
548 | 5fafdf24 | ths | if (bdrv_write_compressed(out_bs, sector_num, buf,
|
549 | faea38e7 | bellard | cluster_sectors) != 0)
|
550 | ec3757de | bellard | error("error while compressing sector %" PRId64,
|
551 | ec3757de | bellard | sector_num); |
552 | ea2384d3 | bellard | } |
553 | ea2384d3 | bellard | sector_num += n; |
554 | ea2384d3 | bellard | } |
555 | faea38e7 | bellard | /* signal EOF to align */
|
556 | faea38e7 | bellard | bdrv_write_compressed(out_bs, 0, NULL, 0); |
557 | ea2384d3 | bellard | } else {
|
558 | ea2384d3 | bellard | sector_num = 0;
|
559 | ea2384d3 | bellard | for(;;) {
|
560 | ea2384d3 | bellard | nb_sectors = total_sectors - sector_num; |
561 | ea2384d3 | bellard | if (nb_sectors <= 0) |
562 | ea2384d3 | bellard | break;
|
563 | ea2384d3 | bellard | if (nb_sectors >= (IO_BUF_SIZE / 512)) |
564 | ea2384d3 | bellard | n = (IO_BUF_SIZE / 512);
|
565 | ea2384d3 | bellard | else
|
566 | ea2384d3 | bellard | n = nb_sectors; |
567 | 926c2d23 | balrog | |
568 | 926c2d23 | balrog | while (sector_num - bs_offset >= bs_sectors) {
|
569 | 926c2d23 | balrog | bs_i ++; |
570 | 926c2d23 | balrog | assert (bs_i < bs_n); |
571 | 926c2d23 | balrog | bs_offset += bs_sectors; |
572 | 926c2d23 | balrog | bdrv_get_geometry(bs[bs_i], &bs_sectors); |
573 | 926c2d23 | balrog | /* printf("changing part: sector_num=%lld, bs_i=%d, "
|
574 | 926c2d23 | balrog | "bs_offset=%lld, bs_sectors=%lld\n",
|
575 | 926c2d23 | balrog | sector_num, bs_i, bs_offset, bs_sectors); */
|
576 | 926c2d23 | balrog | } |
577 | 926c2d23 | balrog | |
578 | 926c2d23 | balrog | if (n > bs_offset + bs_sectors - sector_num)
|
579 | 926c2d23 | balrog | n = bs_offset + bs_sectors - sector_num; |
580 | 926c2d23 | balrog | |
581 | 926c2d23 | balrog | if (bdrv_read(bs[bs_i], sector_num - bs_offset, buf, n) < 0) |
582 | ea2384d3 | bellard | error("error while reading");
|
583 | ea2384d3 | bellard | /* NOTE: at the same time we convert, we do not write zero
|
584 | ea2384d3 | bellard | sectors to have a chance to compress the image. Ideally, we
|
585 | ea2384d3 | bellard | should add a specific call to have the info to go faster */
|
586 | ea2384d3 | bellard | buf1 = buf; |
587 | ea2384d3 | bellard | while (n > 0) { |
588 | ea2384d3 | bellard | if (is_allocated_sectors(buf1, n, &n1)) {
|
589 | 5fafdf24 | ths | if (bdrv_write(out_bs, sector_num, buf1, n1) < 0) |
590 | ea2384d3 | bellard | error("error while writing");
|
591 | ea2384d3 | bellard | } |
592 | ea2384d3 | bellard | sector_num += n1; |
593 | ea2384d3 | bellard | n -= n1; |
594 | ea2384d3 | bellard | buf1 += n1 * 512;
|
595 | ea2384d3 | bellard | } |
596 | ea2384d3 | bellard | } |
597 | ea2384d3 | bellard | } |
598 | ea2384d3 | bellard | bdrv_delete(out_bs); |
599 | 926c2d23 | balrog | for (bs_i = 0; bs_i < bs_n; bs_i++) |
600 | 926c2d23 | balrog | bdrv_delete(bs[bs_i]); |
601 | 926c2d23 | balrog | free(bs); |
602 | ea2384d3 | bellard | return 0; |
603 | ea2384d3 | bellard | } |
604 | ea2384d3 | bellard | |
605 | 57d1a2b6 | bellard | #ifdef _WIN32
|
606 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
607 | 57d1a2b6 | bellard | { |
608 | e8445331 | bellard | typedef DWORD (WINAPI * get_compressed_t)(const char *filename, DWORD *high); |
609 | e8445331 | bellard | get_compressed_t get_compressed; |
610 | 57d1a2b6 | bellard | struct _stati64 st;
|
611 | e8445331 | bellard | |
612 | e8445331 | bellard | /* WinNT support GetCompressedFileSize to determine allocate size */
|
613 | e8445331 | bellard | get_compressed = (get_compressed_t) GetProcAddress(GetModuleHandle("kernel32"), "GetCompressedFileSizeA"); |
614 | e8445331 | bellard | if (get_compressed) {
|
615 | e8445331 | bellard | DWORD high, low; |
616 | e8445331 | bellard | low = get_compressed(filename, &high); |
617 | e8445331 | bellard | if (low != 0xFFFFFFFFlu || GetLastError() == NO_ERROR) |
618 | e8445331 | bellard | return (((int64_t) high) << 32) + low; |
619 | e8445331 | bellard | } |
620 | e8445331 | bellard | |
621 | 5fafdf24 | ths | if (_stati64(filename, &st) < 0) |
622 | 57d1a2b6 | bellard | return -1; |
623 | 57d1a2b6 | bellard | return st.st_size;
|
624 | 57d1a2b6 | bellard | } |
625 | 57d1a2b6 | bellard | #else
|
626 | 57d1a2b6 | bellard | static int64_t get_allocated_file_size(const char *filename) |
627 | 57d1a2b6 | bellard | { |
628 | 57d1a2b6 | bellard | struct stat st;
|
629 | 5fafdf24 | ths | if (stat(filename, &st) < 0) |
630 | 57d1a2b6 | bellard | return -1; |
631 | 57d1a2b6 | bellard | return (int64_t)st.st_blocks * 512; |
632 | 57d1a2b6 | bellard | } |
633 | 57d1a2b6 | bellard | #endif
|
634 | 57d1a2b6 | bellard | |
635 | faea38e7 | bellard | static void dump_snapshots(BlockDriverState *bs) |
636 | faea38e7 | bellard | { |
637 | faea38e7 | bellard | QEMUSnapshotInfo *sn_tab, *sn; |
638 | faea38e7 | bellard | int nb_sns, i;
|
639 | faea38e7 | bellard | char buf[256]; |
640 | faea38e7 | bellard | |
641 | faea38e7 | bellard | nb_sns = bdrv_snapshot_list(bs, &sn_tab); |
642 | faea38e7 | bellard | if (nb_sns <= 0) |
643 | faea38e7 | bellard | return;
|
644 | faea38e7 | bellard | printf("Snapshot list:\n");
|
645 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), NULL)); |
646 | faea38e7 | bellard | for(i = 0; i < nb_sns; i++) { |
647 | faea38e7 | bellard | sn = &sn_tab[i]; |
648 | faea38e7 | bellard | printf("%s\n", bdrv_snapshot_dump(buf, sizeof(buf), sn)); |
649 | faea38e7 | bellard | } |
650 | faea38e7 | bellard | qemu_free(sn_tab); |
651 | faea38e7 | bellard | } |
652 | faea38e7 | bellard | |
653 | ea2384d3 | bellard | static int img_info(int argc, char **argv) |
654 | ea2384d3 | bellard | { |
655 | ea2384d3 | bellard | int c;
|
656 | ea2384d3 | bellard | const char *filename, *fmt; |
657 | ea2384d3 | bellard | BlockDriver *drv; |
658 | ea2384d3 | bellard | BlockDriverState *bs; |
659 | ea2384d3 | bellard | char fmt_name[128], size_buf[128], dsize_buf[128]; |
660 | 96b8f136 | ths | uint64_t total_sectors; |
661 | 96b8f136 | ths | int64_t allocated_size; |
662 | 93b6b2a3 | bellard | char backing_filename[1024]; |
663 | 93b6b2a3 | bellard | char backing_filename2[1024]; |
664 | faea38e7 | bellard | BlockDriverInfo bdi; |
665 | ea2384d3 | bellard | |
666 | ea2384d3 | bellard | fmt = NULL;
|
667 | ea2384d3 | bellard | for(;;) {
|
668 | ea2384d3 | bellard | c = getopt(argc, argv, "f:h");
|
669 | ea2384d3 | bellard | if (c == -1) |
670 | ea2384d3 | bellard | break;
|
671 | ea2384d3 | bellard | switch(c) {
|
672 | ea2384d3 | bellard | case 'h': |
673 | ea2384d3 | bellard | help(); |
674 | ea2384d3 | bellard | break;
|
675 | ea2384d3 | bellard | case 'f': |
676 | ea2384d3 | bellard | fmt = optarg; |
677 | ea2384d3 | bellard | break;
|
678 | ea2384d3 | bellard | } |
679 | ea2384d3 | bellard | } |
680 | 5fafdf24 | ths | if (optind >= argc)
|
681 | ea2384d3 | bellard | help(); |
682 | ea2384d3 | bellard | filename = argv[optind++]; |
683 | ea2384d3 | bellard | |
684 | ea2384d3 | bellard | bs = bdrv_new("");
|
685 | ea2384d3 | bellard | if (!bs)
|
686 | ea2384d3 | bellard | error("Not enough memory");
|
687 | ea2384d3 | bellard | if (fmt) {
|
688 | ea2384d3 | bellard | drv = bdrv_find_format(fmt); |
689 | ea2384d3 | bellard | if (!drv)
|
690 | ea2384d3 | bellard | error("Unknown file format '%s'", fmt);
|
691 | ea2384d3 | bellard | } else {
|
692 | ea2384d3 | bellard | drv = NULL;
|
693 | ea2384d3 | bellard | } |
694 | ea2384d3 | bellard | if (bdrv_open2(bs, filename, 0, drv) < 0) { |
695 | ea2384d3 | bellard | error("Could not open '%s'", filename);
|
696 | ea2384d3 | bellard | } |
697 | ea2384d3 | bellard | bdrv_get_format(bs, fmt_name, sizeof(fmt_name));
|
698 | ea2384d3 | bellard | bdrv_get_geometry(bs, &total_sectors); |
699 | ea2384d3 | bellard | get_human_readable_size(size_buf, sizeof(size_buf), total_sectors * 512); |
700 | 57d1a2b6 | bellard | allocated_size = get_allocated_file_size(filename); |
701 | 57d1a2b6 | bellard | if (allocated_size < 0) |
702 | de167e41 | bellard | sprintf(dsize_buf, "unavailable");
|
703 | de167e41 | bellard | else
|
704 | 5fafdf24 | ths | get_human_readable_size(dsize_buf, sizeof(dsize_buf),
|
705 | de167e41 | bellard | allocated_size); |
706 | ea2384d3 | bellard | printf("image: %s\n"
|
707 | ea2384d3 | bellard | "file format: %s\n"
|
708 | ec3757de | bellard | "virtual size: %s (%" PRId64 " bytes)\n" |
709 | ea2384d3 | bellard | "disk size: %s\n",
|
710 | 5fafdf24 | ths | filename, fmt_name, size_buf, |
711 | ec3757de | bellard | (total_sectors * 512),
|
712 | ea2384d3 | bellard | dsize_buf); |
713 | ea2384d3 | bellard | if (bdrv_is_encrypted(bs))
|
714 | ea2384d3 | bellard | printf("encrypted: yes\n");
|
715 | faea38e7 | bellard | if (bdrv_get_info(bs, &bdi) >= 0) { |
716 | 5fafdf24 | ths | if (bdi.cluster_size != 0) |
717 | faea38e7 | bellard | printf("cluster_size: %d\n", bdi.cluster_size);
|
718 | faea38e7 | bellard | } |
719 | 93b6b2a3 | bellard | bdrv_get_backing_filename(bs, backing_filename, sizeof(backing_filename));
|
720 | faea38e7 | bellard | if (backing_filename[0] != '\0') { |
721 | 93b6b2a3 | bellard | path_combine(backing_filename2, sizeof(backing_filename2),
|
722 | 93b6b2a3 | bellard | filename, backing_filename); |
723 | 5fafdf24 | ths | printf("backing file: %s (actual path: %s)\n",
|
724 | 93b6b2a3 | bellard | backing_filename, |
725 | 93b6b2a3 | bellard | backing_filename2); |
726 | faea38e7 | bellard | } |
727 | faea38e7 | bellard | dump_snapshots(bs); |
728 | ea2384d3 | bellard | bdrv_delete(bs); |
729 | ea2384d3 | bellard | return 0; |
730 | ea2384d3 | bellard | } |
731 | ea2384d3 | bellard | |
732 | ea2384d3 | bellard | int main(int argc, char **argv) |
733 | ea2384d3 | bellard | { |
734 | ea2384d3 | bellard | const char *cmd; |
735 | ea2384d3 | bellard | |
736 | ea2384d3 | bellard | bdrv_init(); |
737 | ea2384d3 | bellard | if (argc < 2) |
738 | ea2384d3 | bellard | help(); |
739 | ea2384d3 | bellard | cmd = argv[1];
|
740 | e3888186 | bellard | optind++; |
741 | ea2384d3 | bellard | if (!strcmp(cmd, "create")) { |
742 | ea2384d3 | bellard | img_create(argc, argv); |
743 | ea2384d3 | bellard | } else if (!strcmp(cmd, "commit")) { |
744 | ea2384d3 | bellard | img_commit(argc, argv); |
745 | ea2384d3 | bellard | } else if (!strcmp(cmd, "convert")) { |
746 | ea2384d3 | bellard | img_convert(argc, argv); |
747 | ea2384d3 | bellard | } else if (!strcmp(cmd, "info")) { |
748 | ea2384d3 | bellard | img_info(argc, argv); |
749 | ea2384d3 | bellard | } else {
|
750 | ea2384d3 | bellard | help(); |
751 | ea2384d3 | bellard | } |
752 | ea2384d3 | bellard | return 0; |
753 | ea2384d3 | bellard | } |