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-rw-r--r--ubi-utils/src/unubi.c201
1 files changed, 98 insertions, 103 deletions
diff --git a/ubi-utils/src/unubi.c b/ubi-utils/src/unubi.c
index 4b9ddfd..f8045d8 100644
--- a/ubi-utils/src/unubi.c
+++ b/ubi-utils/src/unubi.c
@@ -31,7 +31,6 @@
/* TODO: consideration for dynamic vs. static volumes */
-#include <argp.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -54,10 +53,40 @@
#define CONTACT "haver@vnet.ibm.com"
#define VERSION "0.9"
+extern char *optarg;
+extern int optind;
+
static char doc[] = "\nVersion: " VERSION "\n\t"
BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
"\nAnalyze raw flash containing UBI data.\n";
+static const char *optionsstr =
+" OPTIONS\n"
+" -r, --rebuild=<volume-id> Extract and rebuild volume\n"
+"\n"
+" -d, --dir=<output-dir> Specify output directory\n"
+"\n"
+" -a, --analyze Analyze image\n"
+"\n"
+" -b, --blocksize=<block-size> Specify size of eraseblocks in image in bytes\n"
+" (default 128KiB)\n"
+"\n"
+" -e, --eb-split Generate individual eraseblock images (all\n"
+" eraseblocks)\n"
+" -v, --vol-split Generate individual eraseblock images (valid\n"
+" eraseblocks only)\n"
+" -V, --vol-split! Raw split by eraseblock (valid eraseblocks only)\n"
+"\n"
+" -?, --help Give this help list\n"
+" --usage Give a short usage message\n"
+" --version Print program version\n";
+
+static const char *usage =
+"Usage: unubi [-aevV?] [-r <volume-id>] [-d <output-dir>] [-b <block-size>]\n"
+" [--rebuild=<volume-id>] [--dir=<output-dir>] [--analyze]\n"
+" [--blocksize=<block-size>] [--eb-split] [--vol-split]\n"
+" [--vol-split!] [--help] [--usage] [--version] image-file\n";
+
#define ERR_MSG(fmt...) \
fprintf(stderr, EXEC ": " fmt)
@@ -104,66 +133,20 @@ struct args {
char **options;
};
-static error_t parse_opt(int key, char *arg, struct argp_state *state);
-
-const char *argp_program_version = VERSION;
-const char *argp_program_bug_address = CONTACT;
-
-static struct argp_option options[] = {
- {
- name: NULL, key: 0, arg: NULL,
- flags: 0, group: 0, doc: "OPTIONS",
- },
- {
- name: "rebuild", key: 'r', arg: "<volume-id>",
- flags: 0, group: 1, doc: "Extract and rebuild volume",
- },
- {
- name: "dir", key: 'd', arg: "<output-dir>",
- flags: 0, group: 2, doc: "Specify output directory",
- },
- {
- name: "analyze", key: 'a', arg: NULL,
- flags: 0, group: 3, doc: "Analyze image",
- },
- {
- name: "blocksize", key: 'b', arg: "<block-size>",
- flags: 0, group: 4, doc: "Specify size of eraseblocks "
- "in image in bytes (default "
- "128KiB)",
- },
- {
- name: "eb-split", key: 'e', arg: NULL,
- flags: 0, group: 5, doc: "Generate individual eraseblock "
- "images (all eraseblocks)",
- },
- {
- name: "vol-split", key: 'v', arg: NULL,
- flags: 0, group: 5, doc: "Generate individual eraseblock "
- "images (valid eraseblocks only)",
- },
- {
- name: "vol-split!", key: 'V', arg: NULL,
- flags: 0, group: 5, doc: "Raw split by eraseblock "
- "(valid eraseblocks only)",
- },
- {
- name: NULL, key: 0, arg: NULL,
- flags: 0, group: 0, doc: NULL,
- },
-};
-
-static struct argp argp = {
- .options = options,
- .parser = parse_opt,
- .args_doc = "image-file",
- .doc = doc,
- .children = NULL,
- .help_filter = NULL,
- .argp_domain = NULL,
+struct option long_options[] = {
+ { .name = "rebuild", .has_arg = 1, .flag = NULL, .val = 'r' },
+ { .name = "dir", .has_arg = 1, .flag = NULL, .val = 'd' },
+ { .name = "analyze", .has_arg = 0, .flag = NULL, .val = 'a' },
+ { .name = "blocksize", .has_arg = 1, .flag = NULL, .val = 'b' },
+ { .name = "eb-split", .has_arg = 0, .flag = NULL, .val = 'e' },
+ { .name = "vol-split", .has_arg = 0, .flag = NULL, .val = 'v' },
+ { .name = "vol-split!", .has_arg = 0, .flag = NULL, .val = 'e' },
+ { .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
+ { .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
+ { .name = "version", .has_arg = 0, .flag = NULL, .val = 'J' },
+ { NULL, 0, NULL, 0}
};
-
/**
* parses out a numerical value from a string of numbers followed by:
* k, K, kib, KiB for kibibyte
@@ -198,54 +181,66 @@ str_to_num(char *str)
* 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 *arg, struct argp_state *state)
+static int
+parse_opt(int argc, char **argv, struct args *args)
{
uint32_t i;
- struct args *args = state->input;
-
- switch (key) {
- case 'a':
- args->analyze = 1;
- break;
- case 'b':
- args->bsize = str_to_num(arg);
- break;
- case 'd':
- args->odir_path = arg;
- break;
- case 'e':
- args->eb_split = SPLIT_RAW;
- break;
- case 'r':
- i = str_to_num(arg);
- if (i < UBI_MAX_VOLUMES)
- args->vols[str_to_num(arg)] = 1;
- else {
- ERR_MSG("volume-id out of bounds\n");
- return ARGP_ERR_UNKNOWN;
+
+ while (1) {
+ int key;
+
+ key = getopt_long(argc, argv, "r:d:ab:evV?", long_options, NULL);
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 'a':
+ args->analyze = 1;
+ break;
+ case 'b':
+ args->bsize = str_to_num(optarg);
+ break;
+ case 'd':
+ args->odir_path = optarg;
+ break;
+ case 'e':
+ args->eb_split = SPLIT_RAW;
+ break;
+ case 'r':
+ i = str_to_num(optarg);
+ if (i < UBI_MAX_VOLUMES)
+ args->vols[str_to_num(optarg)] = 1;
+ else {
+ ERR_MSG("volume-id out of bounds\n");
+ return -1;
+ }
+ break;
+ case 'v':
+ if (args->vol_split != SPLIT_RAW)
+ args->vol_split = SPLIT_DATA;
+ break;
+ case 'V':
+ args->vol_split = SPLIT_RAW;
+ break;
+ case '?': /* help */
+ fprintf(stderr, "Usage: unubi [OPTION...] image-file\n");
+ fprintf(stderr, "%s", doc);
+ fprintf(stderr, "%s", optionsstr);
+ fprintf(stderr, "\nReport bugs to %s\n", CONTACT);
+ exit(0);
+ break;
+ case 'J':
+ fprintf(stderr, "%s\n", VERSION);
+ exit(0);
+ break;
+ default:
+ fprintf(stderr, "%s", usage);
+ exit(-1);
}
- break;
- case 'v':
- if (args->vol_split != SPLIT_RAW)
- args->vol_split = SPLIT_DATA;
- break;
- case 'V':
- args->vol_split = SPLIT_RAW;
- break;
- case ARGP_KEY_NO_ARGS:
- break;
- case ARGP_KEY_ARG:
- args->img_path = arg;
- args->options = &state->argv[state->next];
- state->next = state->argc;
- break;
- case ARGP_KEY_END:
- break;
- default:
- return ARGP_ERR_UNKNOWN;
}
+ if (optind < argc)
+ args->img_path = argv[optind++];
return 0;
}
@@ -769,7 +764,7 @@ main(int argc, char *argv[])
memset(a.vols, 0, sizeof(*a.vols) * UBI_MAX_VOLUMES);
/* parse args and check for validity */
- argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &a);
+ parse_opt(argc, argv, &a);
if (a.img_path == NULL) {
ERR_MSG("no image file specified\n");
rc = EINVAL;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 12:43:33 +0000