/* The initial CRC32 value used when calculating CRC checksums */
#define UBI_CRC32_INIT 0xFFFFFFFFU
-/**
+/*
* Magic numbers of the UBI headers.
*
* @UBI_EC_HDR_MAGIC: erase counter header magic number (ASCII "UBI#")
UBI_VID_HDR_MAGIC = 0x55424921
};
-/**
+/*
* Molume type constants used in volume identifier headers.
*
* @UBI_VID_DYNAMIC: dynamic volume
UBI_VID_STATIC = 2
};
-/**
+/*
* Compatibility constants used by internal volumes.
*
* @UBI_COMPAT_DELETE: delete this internal volume before anything is written
* to the flash
* @UBI_COMPAT_RO: attach this device in read-only mode
- * @UBI_COMPAT_IGNORE: ignore this internal volume, but the UBI wear-leveling
- * unit may still move these logical eraseblocks to ensure wear-leveling
* @UBI_COMPAT_PRESERVE: preserve this internal volume - do not touch its
- * physical eraseblocks, don't even allow the wear-leveling unit to move
- * them
+ * physical eraseblocks, don't allow the wear-leveling unit to move them
* @UBI_COMPAT_REJECT: reject this UBI image
*/
enum {
UBI_COMPAT_DELETE = 1,
UBI_COMPAT_RO = 2,
- UBI_COMPAT_IGNORE = 3,
UBI_COMPAT_PRESERVE = 4,
UBI_COMPAT_REJECT = 5
};
*/
struct ubi_vid_hdr_upd_vol {
ubi32_t vol_id;
- uint8_t padding[UBI_VID_HDR_IVOL_DATA_SIZE - 4];
+ uint8_t padding[UBI_VID_HDR_IVOL_DATA_SIZE-4];
} __attribute__ ((packed));
/*
*/
#define UBI_INTERNAL_VOL_START (0x7FFFFFFF - 4096)
-/**
+/*
* enum ubi_internal_volume_numbers - volume IDs of internal UBI volumes.
*
* %UBI_LAYOUT_VOL_ID: volume ID of the layout volume
* %UBI_UPDATE_VOL_ID: volume ID of the update volume
*/
-enum ubi_internal_volume_ids {
+enum {
UBI_LAYOUT_VOL_ID = UBI_INTERNAL_VOL_START,
UBI_UPDATE_VOL_ID = UBI_INTERNAL_VOL_START + 1
};
* @alignment: volume alignment
* @data_pad: how many bytes are not used at the end of the eraseblocks to
* satisfy the requested alignment
+ * @vol_type: volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
* @padding1: reserved, zeroes
* @name_len: the volume name length
* @name: the volume name
uint8_t vol_type;
uint8_t padding1;
ubi16_t name_len;
- uint8_t name[UBI_VOL_NAME_MAX + 1];
+ uint8_t name[UBI_VOL_NAME_MAX+1];
uint8_t padding2[24];
ubi32_t crc;
} __attribute__ ((packed));
*/
#define UBI_VOL_NUM_AUTO (-1)
+/* Maximum volume name length */
+#define UBI_MAX_VOLUME_NAME 127
+
/*
* IOCTL commands of UBI character devices
*/
/* An eraseblock erasure command, used for debugging, disabled by dafault */
#define UBI_IOCEBER _IOW(UBI_VOL_IOC_MAGIC, 0, int32_t)
-/**
+/*
* UBI volume type constants.
*
* @UBI_DYNAMIC_VOLUME: dynamic volume
*
* @vol_id: ID of the volume to re-size
* @bytes: new size of the volume in bytes
- *
+ *
* Re-sizing is possible for both dynamic and static volumes. But while dynamic
* volumes may be re-sized arbitrarily, static volumes cannot be made to be
* smaller then the number of bytes they bear. To arbitrarily shrink a static
* Author: Frank Haverkamp
*/
-#define PACKAGE_VERSION "1.0"
-#define PACKAGE_BUGREPORT "dedekind@oktetlabs.ru, haver@vnet.ibm.com, or tglx@linutronix.de"
+#define PACKAGE_VERSION "1.1"
+#define PACKAGE_BUGREPORT "haver@vnet.ibm.com, dedekind@linutronix.de, or tglx@linutronix.de"
#define __unused __attribute__((unused))
#include <sys/ioctl.h>
#include <stdint.h>
#include <mtd/ubi-user.h>
+#include <mtd/ubi-header.h>
#include "libubi.h"
#include "libubi_int.h"
* @sysfs_root sysfs root directory
* @ubi_root UBI root directory in sysfs
*
- * @nlen_max full path to the "maximum volume name length" sysfs file
* @version full path to the "UBI version" sysfs file
*
* @cdev_path path pattern to UBI character devices
char *sysfs_root;
char *ubi_root;
- char *nlen_max;
char *version;
char *cdev_path;
int cdev_path_len;
if (err)
return -1;
- err = sysfs_read_int(desc->nlen_max, (int*) &ubi->nlen_max);
- if (err)
- return -1;
-
/* Calculate number of UBI devices */
do {
char dir[20];
ubi_lib_t d = desc;
printf( "UBI Library Descriptor:\n"
"ubi_root: %s\n"
- "nlen_max: %s\n"
"version: %s\n"
"cdev_path: %s\n"
"udev_path: %s\n"
"vol_type_path: %s\n"
"vol_name_path: %s\n"
"cdev_path_len: %d\n\n",
- d->ubi_root, d->nlen_max, d->version, d->cdev_path,
- d->udev_path, d->wear_path, d->vol_count_path,
- d->tot_ebs_path, d->avail_ebs_path, d->eb_size_path,
- d->nums_path, d->vol_cdev_path, d->vdev_path,
- d->vol_nums_path, d->vol_bytes_path, d->vol_ebs_path,
- d->vol_type_path, d->vol_name_path, d->cdev_path_len);
+ d->ubi_root, d->version, d->cdev_path, d->udev_path,
+ d->wear_path, d->vol_count_path, d->tot_ebs_path,
+ d->avail_ebs_path, d->eb_size_path, d->nums_path,
+ d->vol_cdev_path, d->vdev_path, d->vol_nums_path,
+ d->vol_bytes_path, d->vol_ebs_path, d->vol_type_path,
+ d->vol_name_path, d->cdev_path_len);
}
int
if (!res->ubi_root)
goto error;
- res->nlen_max = mkpath(res->ubi_root, UBI_NLEN_MAX);
- if (!res->nlen_max)
- goto error;
-
- res->version = mkpath(res->ubi_root, UBI_VERSION);
+ res->version = mkpath(res->ubi_root, UBI_VER);
if (!res->version)
goto error;
free(tmp->udev_path);
free(tmp->cdev_path);
free(tmp->version);
- free(tmp->nlen_max);
free(tmp->ubi_root);
free(tmp->sysfs_root);
free(tmp);
int err;
int len;
char buf1[10];
- char buf2[desc->ubi.nlen_max];
+ char buf2[UBI_MAX_VOLUME_NAME];
err = sysfs_read_dev_subst(desc->vol_nums_path, &req->major,
&req->minor, 2, devn, vol_id);
}
len = sysfs_read_data_subst(desc->vol_name_path, &buf2[0],
- desc->ubi.nlen_max, 2, devn, vol_id);
+ UBI_MAX_VOLUME_NAME, 2, devn, vol_id);
if (len == -1)
return -1;
-#ifndef __UBI_INT_H__
-#define __UBI_INT_H__
/*
* Copyright (c) International Business Machines Corp., 2006
*
* Author: Artem B. Bityutskiy
*/
+#ifndef __UBI_INT_H__
+#define __UBI_INT_H__
/*
* Enable/disable UBI library debugging messages.
*/
* @def UBI_NLEN_MAX
* @brief Name of syfs file containing the maximum UBI volume name length.
*
- * @def UBI_VERSION
+ * @def UBI_VER
* @brief Name of sysfs file containing UBI version.
*
* @def UBI_WEAR
**/
#define UBI_ROOT "ubi"
#define UBI_NLEN_MAX "volume_name_max"
-#define UBI_VERSION "version"
+#define UBI_VER "version"
#define UBI_WEAR "wear"
#define UBI_VOL_COUNT "volumes_count"
#define UBI_TOT_EBS "total_eraseblocks"
/*
* An utility to create UBI volumes.
*
- * Author: Artem B. Bityutskiy <dedekind@oktetlabs.ru>
+ * Author: Artem B. Bityutskiy <dedekind@linutronix.de>
+ * Frank Haverkamp <haver@vnet.ibm.com>
*
* 1.0 Initial release
* 1.1 Does not support erase blocks anymore. This is replaced by
* the number of bytes.
+ * 1.2 Reworked the user-interface to use argp.
*/
+#include <argp.h>
#include <stdio.h>
#include <stdint.h>
#include <getopt.h>
#include <string.h>
#include <errno.h>
-#include "config.h"
+#include <config.h>
#include <libubi.h>
-static void usage(void);
-static int param_sanity_check(ubi_lib_t lib);
-static int parse_options(int argc, char * const argv[]);
+#define VERSION "1.2"
/*
- * The variables below are set by command line arguments.
+ * The variables below are set by command line arguments.
*/
-static int vol_type = UBI_DYNAMIC_VOLUME;
-static int devn = -1;
-static long long bytes = 0;
-static int alignment = 1;
-static int vol_id = UBI_VOL_NUM_AUTO;
-static char *name = NULL;
-static int nlen = 0;
+struct args {
+ int devn;
+ int vol_id;
+ int vol_type;
+ long long bytes;
+ int alignment;
+ char *name;
+ int nlen;
-int main(int argc, char * const argv[])
-{
- int err;
- ubi_lib_t lib;
+ /* special stuff needed to get additional arguments */
+ char *arg1;
+ char **options; /* [STRING...] */
+};
- err = parse_options(argc, argv);
- if (err) {
- fprintf(stderr, "Wrong options ...\n");
- return err == 1 ? 0 : -1;
- }
+static struct args myargs = {
+ .vol_type = UBI_DYNAMIC_VOLUME,
+ .devn = -1,
+ .bytes = 0,
+ .alignment = 1,
+ .vol_id = UBI_VOL_NUM_AUTO,
+ .name = NULL,
+ .nlen = 0,
+};
- if (devn == -1) {
- fprintf(stderr, "Device number was not specified\n");
- fprintf(stderr, "Use -h option for help\n");
- return -1;
- }
+static int param_sanity_check(struct args *args, ubi_lib_t lib);
+static error_t parse_opt(int key, char *optarg, struct argp_state *state);
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
- err = ubi_open(&lib);
- if (err) {
- perror("Cannot open libubi");
- return -1;
- }
+static char doc[] = "\nVersion: " VERSION "\n\t"
+ BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
+ "\nMake UBI Volume.\n";
- err = param_sanity_check(lib);
- if (err) {
- perror("Input parameters check");
- fprintf(stderr, "Use -h option for help\n");
- goto out_libubi;
- }
+static struct argp_option options[] = {
+ { .name = "devn",
+ .key = 'd',
+ .arg = "<devn>",
+ .flags = 0,
+ .doc = "UBI device",
+ .group = OPTION_ARG_OPTIONAL },
- err = ubi_mkvol(lib, devn, vol_id, vol_type, bytes, alignment, name);
- if (err < 0) {
- perror("Cannot create volume");
- fprintf(stderr, " err=%d\n", err);
- goto out_libubi;
- }
+ { .name = "vol_id",
+ .key = 'n',
+ .arg = "<volume id>",
+ .flags = 0,
+ .doc = "UBI volume id, if not specified, the volume ID will be "
+ "assigned automatically",
+ .group = OPTION_ARG_OPTIONAL },
- /* printf("Created volume %d, %lld bytes, type %s, name %s\n",
- vol_id, bytes, vol_type == UBI_DYNAMIC_VOLUME ?
- "dynamic" : "static", name); */
+ { .name = "type",
+ .key = 't',
+ .arg = "<static|dynamic>",
+ .flags = 0,
+ .doc = "volume type (dynamic, static), default is dynamic",
+ .group = OPTION_ARG_OPTIONAL },
- vol_id = err;
- ubi_close(&lib);
- return 0;
+ { .name = "size",
+ .key = 's',
+ .arg = "<bytes>",
+ .flags = 0,
+ .doc = "volume size volume size in bytes, "
+ "kilobytes (KiB) or megabytes (MiB)",
+ .group = OPTION_ARG_OPTIONAL },
-out_libubi:
- ubi_close(&lib);
- return -1;
-}
+ { .name = "name",
+ .key = 'N',
+ .arg = "<name>",
+ .flags = 0,
+ .doc = "volume name",
+ .group = OPTION_ARG_OPTIONAL },
+
+ { .name = "alignment",
+ .key = 'a',
+ .arg = "<alignment>",
+ .flags = 0,
+ .doc = "volume alignment (default is 1)",
+ .group = OPTION_ARG_OPTIONAL },
-/* 'getopt()' option string */
-static const char *optstring = "ht:s:n:N:d:a:";
+ { .name = NULL, .key = 0, .arg = NULL, .flags = 0,
+ .doc = NULL, .group = 0 },
+};
-static int parse_options(int argc, char * const argv[])
+static struct argp argp = {
+ .options = options,
+ .parser = parse_opt,
+ .args_doc = 0,
+ .doc = doc,
+ .children = NULL,
+ .help_filter = NULL,
+ .argp_domain = NULL,
+};
+
+/*
+ * @brief Parse the arguments passed into the test case.
+ *
+ * @param key The parameter.
+ * @param arg Argument passed to parameter.
+ * @param state Location to put information on parameters.
+ *
+ * @return error
+ *
+ * Get the `input' argument from `argp_parse', which we know is a
+ * pointer to our arguments structure.
+ */
+static error_t
+parse_opt(int key, char *optarg, struct argp_state *state)
{
- int opt = 0;
-
- while (opt != -1) {
- char *endp;
-
- opt = getopt(argc, argv, optstring);
-
- switch (opt) {
- case 'h':
- usage();
- return 1;
- case 't':
- if (!strcmp(optarg, "dynamic"))
- vol_type = UBI_DYNAMIC_VOLUME;
- else if (!strcmp(optarg, "static"))
- vol_type = UBI_STATIC_VOLUME;
- else {
- fprintf(stderr, "Bad volume type: \"%s\"\n",
- optarg);
- goto out;
- }
- break;
- case 's':
- bytes = strtoull(optarg, &endp, 0);
- if (endp == optarg || bytes < 0) {
- fprintf(stderr, "Bad volume size: \"%s\"\n",
- optarg);
- goto out;
- }
- if (endp != '\0') {
- if (strcmp(endp, "KiB") == 0)
- bytes *= 1024;
- else if (strcmp(endp, "MiB") == 0)
- bytes *= 1024*1024;
- }
- break;
- case 'a':
- alignment = strtoul(optarg, &endp, 0);
- if (*endp != '\0' || endp == optarg ||
- alignment <= 0) {
- fprintf(stderr, "Bad volume alignment: "
- "\"%s\"\n", optarg);
- goto out;
- }
- break;
- case 'd':
- devn = strtoul(optarg, &endp, 0);
- if (*endp != '\0' || endp == optarg || devn < 0) {
- fprintf(stderr, "Bad UBI device number: "
- "\"%s\"\n", optarg);
- goto out;
- }
- break;
- case 'n':
- vol_id = strtoul(optarg, &endp, 0);
- if (*endp != '\0' || endp == optarg ||
- (vol_id < 0 && vol_id != UBI_DYNAMIC_VOLUME)) {
- fprintf(stderr, "Bad volume ID: "
- "\"%s\"\n", optarg);
- goto out;
- }
- break;
- case 'N':
- name = optarg;
- nlen = strlen(name);
- break;
-
- case ':':
- fprintf(stderr, "Parameter is missing\n");
+ char *endp;
+ struct args *args = state->input;
+
+ switch (key) {
+ case 't':
+ if (!strcmp(optarg, "dynamic"))
+ args->vol_type = UBI_DYNAMIC_VOLUME;
+ else if (!strcmp(optarg, "static"))
+ args->vol_type = UBI_STATIC_VOLUME;
+ else {
+ fprintf(stderr, "Bad volume type: \"%s\"\n",
+ optarg);
goto out;
- case '?':
- fprintf(stderr, "Unknown parameter\n");
+ }
+ break;
+ case 's':
+ args->bytes = strtoull(optarg, &endp, 0);
+ if (endp == optarg || args->bytes < 0) {
+ fprintf(stderr, "Bad volume size: \"%s\"\n",
+ optarg);
goto out;
- case -1:
- break;
- default:
- fprintf(stderr, "Internal error\n");
+ }
+ if (endp != '\0') {
+ if (strcmp(endp, "KiB") == 0)
+ args->bytes *= 1024;
+ else if (strcmp(endp, "MiB") == 0)
+ args->bytes *= 1024*1024;
+ }
+ break;
+ case 'a':
+ args->alignment = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg ||
+ args->alignment <= 0) {
+ fprintf(stderr, "Bad volume alignment: "
+ "\"%s\"\n", optarg);
goto out;
}
+ break;
+ case 'd': /* --devn=<device number> */
+ args->devn = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || args->devn < 0) {
+ fprintf(stderr, "Bad UBI device number: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ break;
+ case 'n': /* --volid=<volume id> */
+ args->vol_id = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg ||
+ (args->vol_id < 0 && args->vol_id != UBI_DYNAMIC_VOLUME)) {
+ fprintf(stderr, "Bad volume ID: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ break;
+ case 'N':
+ args->name = optarg;
+ args->nlen = strlen(args->name);
+ break;
+
+ case ':':
+ fprintf(stderr, "Parameter is missing\n");
+ goto out;
+
+ case ARGP_KEY_NO_ARGS:
+ /* argp_usage(state); */
+ break;
+
+ case ARGP_KEY_ARG:
+ args->arg1 = optarg;
+ /* Now we consume all the rest of the arguments.
+ `state->next' is the index in `state->argv' of the
+ next argument to be parsed, which is the first STRING
+ we're interested in, so we can just use
+ `&state->argv[state->next]' as the value for
+ arguments->strings.
+
+ _In addition_, by setting `state->next' to the end
+ of the arguments, we can force argp to stop parsing
+ here and return. */
+
+ args->options = &state->argv[state->next];
+ state->next = state->argc;
+ break;
+
+ case ARGP_KEY_END:
+ /* argp_usage(state); */
+ break;
+
+ default:
+ return(ARGP_ERR_UNKNOWN);
}
return 0;
-
out:
- errno = EINVAL;
- return -1;
+ return(ARGP_ERR_UNKNOWN);
}
-static int param_sanity_check(ubi_lib_t lib)
+static int param_sanity_check(struct args *args, ubi_lib_t lib)
{
int err, len;
struct ubi_info ubi;
- if (bytes == 0) {
+ if (args->bytes == 0) {
fprintf(stderr, "Volume size was not specified\n");
goto out;
}
- if (name == NULL) {
+ if (args->name == NULL) {
fprintf(stderr, "Volume name was not specified\n");
goto out;
}
if (err)
return -1;
- if (devn >= (int)ubi.dev_count) {
- fprintf(stderr, "Device %d does not exist\n", devn);
+ if (args->devn >= (int)ubi.dev_count) {
+ fprintf(stderr, "Device %d does not exist\n", args->devn);
goto out;
}
- len = strlen(name);
- if (len > (int)ubi.nlen_max) {
+ len = strlen(args->name);
+ if (len > UBI_MAX_VOLUME_NAME) {
fprintf(stderr, "Too long name (%d symbols), max is %d\n",
- len, ubi.nlen_max);
+ len, UBI_MAX_VOLUME_NAME);
goto out;
}
return 0;
-
out:
errno = EINVAL;
return -1;
}
-static void usage(void)
+int main(int argc, char * const argv[])
{
- printf("Usage: ubi_mkvol OPTIONS\n"
- "Version: " PACKAGE_VERSION "\n"
- "The command line options:\n"
- "\t-h - this help message\n"
- "\t-d - UBI device number\n"
- "\t-t TYPE - volume type (dynamic, static) "
- "(default is dynamic)\n"
- "\t-n VOLID - volume ID to assign to the new volume. If not"
- "specified, \n"
- "\t the volume ID will be assigned automatically\n"
- "\t-s BYTES - volume size in bytes, "
- "kilobytes (KiB) or megabytes (MiB)\n"
- "\t-N NAME - volume name\n"
- "\t-a ALIGNMENT - volume alignment (default is 1)\n");
+ int err;
+ ubi_lib_t lib;
+
+ err = argp_parse(&argp, argc, (char **)argv, ARGP_IN_ORDER, 0,
+ &myargs);
+ if (err) {
+ fprintf(stderr, "Wrong options ...\n");
+ return err == 1 ? 0 : -1;
+ }
+
+ if (myargs.devn == -1) {
+ fprintf(stderr, "Device number was not specified\n");
+ fprintf(stderr, "Use -h option for help\n");
+ return -1;
+ }
+
+ err = ubi_open(&lib);
+ if (err) {
+ perror("Cannot open libubi");
+ return -1;
+ }
+
+ err = param_sanity_check(&myargs, lib);
+ if (err) {
+ perror("Input parameters check");
+ fprintf(stderr, "Use -h option for help\n");
+ goto out_libubi;
+ }
+
+ err = ubi_mkvol(lib, myargs.devn, myargs.vol_id, myargs.vol_type,
+ myargs.bytes, myargs.alignment, myargs.name);
+ if (err < 0) {
+ perror("Cannot create volume");
+ fprintf(stderr, " err=%d\n", err);
+ goto out_libubi;
+ }
+
+ /* printf("Created volume %d, %lld bytes, type %s, name %s\n",
+ vol_id, bytes, vol_type == UBI_DYNAMIC_VOLUME ?
+ "dynamic" : "static", name); */
+
+ myargs.vol_id = err;
+ ubi_close(&lib);
+ return 0;
+
+out_libubi:
+ ubi_close(&lib);
+ return -1;
}
*/
/*
- * An utility to create UBI volumes.
+ * An utility to remove UBI volumes.
*
- * Autor: Artem B. Bityutskiy <dedekind@oktetlabs.ru>
+ * Author: Artem B. Bityutskiy <dedekind@linutronix.de>
+ * Frank Haverkamp <haver@vnet.ibm.com>
+ *
+ * 1.1 Reworked the userinterface to use argp.
*/
+#include <argp.h>
#include <stdio.h>
#include <stdint.h>
#include <getopt.h>
#include <string.h>
#include <errno.h>
-#include "config.h"
+#include <config.h>
#include <libubi.h>
-static void usage(void);
-static int param_sanity_check(ubi_lib_t lib);
-static int parse_options(int argc, char * const argv[]);
+#define VERSION "1.1"
/*
* The below variables are set by command line options.
*/
-static int vol_id = -1;
-static int devn = -1;
+struct args {
+ int devn;
+ int vol_id;
+
+ /* special stuff needed to get additional arguments */
+ char *arg1;
+ char **options; /* [STRING...] */
+};
+
+static struct args myargs = {
+ .devn = -1,
+ .vol_id = -1,
+
+ .arg1 = NULL,
+ .options = NULL,
+};
+
+static int param_sanity_check(struct args *args, ubi_lib_t lib);
+static error_t parse_opt(int key, char *optarg, struct argp_state *state);
+const char *argp_program_bug_address = PACKAGE_BUGREPORT;
+
+static char doc[] = "\nVersion: " VERSION "\n\t"
+ BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
+ "\nMake UBI Volume.\n";
+
+static struct argp_option options[] = {
+ { .name = "devn",
+ .key = 'd',
+ .arg = "<devn>",
+ .flags = 0,
+ .doc = "UBI device",
+ .group = OPTION_ARG_OPTIONAL },
+
+ { .name = "vol_id",
+ .key = 'n',
+ .arg = "<volume id>",
+ .flags = 0,
+ .doc = "UBI volume id, if not specified, the volume ID will be "
+ "assigned automatically",
+ .group = OPTION_ARG_OPTIONAL },
+
+ { .name = NULL, .key = 0, .arg = NULL, .flags = 0,
+ .doc = NULL, .group = 0 },
+};
+
+static struct argp argp = {
+ .options = options,
+ .parser = parse_opt,
+ .args_doc = 0,
+ .doc = doc,
+ .children = NULL,
+ .help_filter = NULL,
+ .argp_domain = NULL,
+};
+
+/*
+ * @brief Parse the arguments passed into the test case.
+ *
+ * @param key The parameter.
+ * @param arg Argument passed to parameter.
+ * @param state Location to put information on parameters.
+ *
+ * @return error
+ *
+ * Get the `input' argument from `argp_parse', which we know is a
+ * pointer to our arguments structure.
+ */
+static error_t
+parse_opt(int key, char *optarg, struct argp_state *state)
+{
+ char *endp;
+ struct args *args = state->input;
+
+ switch (key) {
+ case 'd': /* --devn=<device number> */
+ args->devn = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg || args->devn < 0) {
+ fprintf(stderr, "Bad UBI device number: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ break;
+ case 'n': /* --volid=<volume id> */
+ args->vol_id = strtoul(optarg, &endp, 0);
+ if (*endp != '\0' || endp == optarg ||
+ (args->vol_id < 0 && args->vol_id != UBI_DYNAMIC_VOLUME)) {
+ fprintf(stderr, "Bad volume ID: "
+ "\"%s\"\n", optarg);
+ goto out;
+ }
+ break;
+ case ':':
+ fprintf(stderr, "Parameter is missing\n");
+ goto out;
+
+ case ARGP_KEY_NO_ARGS:
+ /* argp_usage(state); */
+ break;
+
+ case ARGP_KEY_ARG:
+ args->arg1 = optarg;
+ /* Now we consume all the rest of the arguments.
+ `state->next' is the index in `state->argv' of the
+ next argument to be parsed, which is the first STRING
+ we're interested in, so we can just use
+ `&state->argv[state->next]' as the value for
+ arguments->strings.
+
+ _In addition_, by setting `state->next' to the end
+ of the arguments, we can force argp to stop parsing
+ here and return. */
+
+ args->options = &state->argv[state->next];
+ state->next = state->argc;
+ break;
+
+ case ARGP_KEY_END:
+ /* argp_usage(state); */
+ break;
+
+ default:
+ return(ARGP_ERR_UNKNOWN);
+ }
+
+ return 0;
+ out:
+ return(ARGP_ERR_UNKNOWN);
+}
+
+static int param_sanity_check(struct args *args, ubi_lib_t lib)
+{
+ int err;
+ struct ubi_info ubi;
+
+ if (args->vol_id == -1) {
+ fprintf(stderr, "Volume ID was not specified\n");
+ goto out;
+ }
+
+ err = ubi_get_info(lib, &ubi);
+ if (err)
+ return -1;
+
+ if (args->devn >= (int)ubi.dev_count) {
+ fprintf(stderr, "Device %d does not exist\n", args->devn);
+ goto out;
+ }
+
+ return 0;
+
+out:
+ errno = EINVAL;
+ return -1;
+}
int main(int argc, char * const argv[])
{
int err, old_errno;
ubi_lib_t lib;
- err = parse_options(argc, argv);
+ err = argp_parse(&argp, argc, (char **)argv, ARGP_IN_ORDER, 0,
+ &myargs);
if (err)
return err == 1 ? 0 : -1;
- if (devn == -1) {
+ if (myargs.devn == -1) {
fprintf(stderr, "Device number was not specified\n");
fprintf(stderr, "Use -h option for help\n");
return -1;
return -1;
}
- err = param_sanity_check(lib);
+ err = param_sanity_check(&myargs, lib);
if (err) {
perror("Input parameters check");
fprintf(stderr, "Use -h option for help\n");
goto out_libubi;
}
- err = ubi_rmvol(lib, devn, vol_id);
+ err = ubi_rmvol(lib, myargs.devn, myargs.vol_id);
old_errno = errno;
if (err < 0) {
perror("Cannot remove volume");
ubi_close(&lib);
return -1;
}
-
-/* 'getopt()' option string */
-static const char *optstring = "hd:n:";
-
-static int parse_options(int argc, char * const argv[])
-{
- int opt = 0;
-
- while (opt != -1) {
- char *endp;
-
- opt = getopt(argc, argv, optstring);
-
- switch (opt) {
- case 'h':
- usage();
- return 1;
- case 'n':
- vol_id = strtoul(optarg, &endp, 0);
- if (*endp != '\0' || endp == optarg || vol_id < 0) {
- fprintf(stderr, "Bad volume "
- "number: \"%s\"\n", optarg);
- goto out;
- }
- break;
- case 'd':
- devn = strtoul(optarg, &endp, 0);
- if (*endp != '\0' || endp == optarg || devn < 0) {
- fprintf(stderr, "Bad UBI device "
- "number: \"%s\"\n", optarg);
- goto out;
- }
- break;
- case ':':
- fprintf(stderr, "Parameter is missing\n");
- goto out;
- case '?':
- fprintf(stderr, "Unknown parameter\n");
- goto out;
- case -1:
- break;
- default:
- fprintf(stderr, "Internal error\n");
- goto out;
- }
- }
-
- return 0;
-
-out:
- errno = EINVAL;
- return -1;
-}
-
-static int param_sanity_check(ubi_lib_t lib)
-{
- int err;
- struct ubi_info ubi;
-
- if (vol_id == -1) {
- fprintf(stderr, "Volume ID was not specified\n");
- goto out;
- }
-
- err = ubi_get_info(lib, &ubi);
- if (err)
- return -1;
-
- if (devn >= (int)ubi.dev_count) {
- fprintf(stderr, "Device %d does not exist\n", devn);
- goto out;
- }
-
- return 0;
-
-out:
- errno = EINVAL;
- return -1;
-}
-
-static void usage(void)
-{
- printf("Usage: ubi_rmvol OPTIONS\n"
- "Command line options:\n"
- "\t-h - this help message\n"
- "\t-d - UBI device number\n"
- "\t-n VOLNUM - volume number to remove\n");
-}
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * An utility to update UBI volumes.
*
* Author: Frank Haverkamp
*
- * An utility to update UBI volumes.
+ * 1.0 Reworked the userinterface to use argp.
*/
-#include <config.h>
-
#include <argp.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
+#include <config.h>
#include <libubi.h>
+#define VERSION "1.0"
+
#define MAXPATH 1024
#define BUFSIZE 128 * 1024
#define MIN(x,y) ((x)<(y)?(x):(y))
struct args {
- int device;
- int volume;
+ int devn;
+ int vol_id;
int truncate;
int broken_update;
int bufsize;
};
static struct args myargs = {
- .device = -1,
- .volume = -1,
+ .devn = -1,
+ .vol_id = -1,
.truncate = 0,
.broken_update = 0,
.bufsize = BUFSIZE,
.options = NULL,
};
-static int verbose = 0;
-
static error_t parse_opt (int key, char *arg, struct argp_state *state);
+static int verbose = 0;
const char *argp_program_bug_address = PACKAGE_BUGREPORT;
-static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\t"
+static char doc[] = "\nVersion: " VERSION "\n\t"
BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
"\nWrite to UBI Volume.\n";
static struct argp_option options[] = {
- { .name = "device",
+ { .name = "devn",
.key = 'd',
- .arg = "<device number>",
+ .arg = "<devn>",
.flags = 0,
.doc = "UBI device",
.group = OPTION_ARG_OPTIONAL },
- { .name = "volume",
+ { .name = "vol_id",
.key = 'n',
.arg = "<volume id>",
.flags = 0,
verbose = strtoul(arg, (char **)NULL, 0);
break;
- case 'd': /* --device=<device number> */
- args->device = strtol(arg, (char **)NULL, 0);
+ case 'n': /* --vol_id=<volume id> */
+ args->vol_id = strtol(arg, (char **)NULL, 0);
+ break;
+
+ case 'd': /* --devn=<device number> */
+ args->devn = strtol(arg, (char **)NULL, 0);
break;
case 'b': /* --bufsize=<bufsize> */
args->broken_update = 1;
break;
- case 'n': /* --volume=<volume id> */
- args->volume = strtol(arg, (char **)NULL, 0);
- break;
-
case ARGP_KEY_NO_ARGS:
/* argp_usage(state); */
break;
arguments->strings.
_In addition_, by setting `state->next' to the end
- of the arguments, we can force argp to stop parsing here and
- return. */
+ of the arguments, we can force argp to stop parsing
+ here and return. */
args->options = &state->argv[state->next];
state->next = state->argc;
char path[MAXPATH];
int old_errno;
- snprintf(path, MAXPATH-1, "/dev/ubi%d_%d", args->device, args->volume);
+ snprintf(path, MAXPATH-1, "/dev/ubi%d_%d", args->devn, args->vol_id);
path[MAXPATH-1] = '\0';
ofd = open(path, O_RDWR);
if (!ifp)
exit(EXIT_FAILURE);
- snprintf(path, MAXPATH-1, "/dev/ubi%d_%d", args->device, args->volume);
+ snprintf(path, MAXPATH-1, "/dev/ubi%d_%d", args->devn, args->vol_id);
path[MAXPATH-1] = '\0';
ofd = open(path, O_RDWR);
projects / mtd-utils.git / commitdiff