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authorJosh Boyer <jwboyer@linux.ibm.com>2006-12-11 14:34:22 +0100
committerFrank Haverkamp <haver@vnet.ibm.com>2006-12-11 14:34:22 +0100
commit8e584d752fb7fb40fe0dfa949c74d2522503d850 (patch)
tree4d3ad256ef7b2978843ce8970a4b782ffe23d589 /ubi-utils/src
parent371c7834a0ed0189b0489e194788fb1ee15eab33 (diff)
[PATCH 3/13] Convert nand2bin to use getopt option parsing
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Acked-by: Frank Haverkamp <haver@vnet.ibm.com>
Diffstat (limited to 'ubi-utils/src')
-rw-r--r--ubi-utils/src/nand2bin.c148
1 files changed, 65 insertions, 83 deletions
diff --git a/ubi-utils/src/nand2bin.c b/ubi-utils/src/nand2bin.c
index a5e8bca..a9b68bd 100644
--- a/ubi-utils/src/nand2bin.c
+++ b/ubi-utils/src/nand2bin.c
@@ -20,7 +20,6 @@
* An utility to decompose NAND images and strip OOB off. Not yet finished ...
*/
#include <config.h>
-#include <argp.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
@@ -40,6 +39,9 @@
#define MAXPATH 1024
#define MIN(x,y) ((x)<(y)?(x):(y))
+extern char *optarg;
+extern int optind;
+
struct args {
const char *oob_file;
const char *output_file;
@@ -58,48 +60,29 @@ static struct args myargs = {
.options = NULL,
};
-static error_t parse_opt (int key, char *arg, struct argp_state *state);
-
-const char *argp_program_bug_address = PACKAGE_BUGREPORT;
-
static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\t"
BUILD_OS" "BUILD_CPU" at "__DATE__" "__TIME__"\n"
"\nSplit data and OOB.\n";
-static struct argp_option options[] = {
- { .name = "pagesize",
- .key = 'p',
- .arg = "<pagesize>",
- .flags = 0,
- .doc = "NAND pagesize",
- .group = OPTION_ARG_OPTIONAL },
-
- { .name = "output",
- .key = 'o',
- .arg = "<output>",
- .flags = 0,
- .doc = "Data output file",
- .group = OPTION_ARG_OPTIONAL },
-
- { .name = "oob",
- .key = 'O',
- .arg = "<oob>",
- .flags = 0,
- .doc = "OOB output file",
- .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 = "input.mif",
- .doc = doc,
- .children = NULL,
- .help_filter = NULL,
- .argp_domain = NULL,
+static const char *optionsstr =
+" -o, --output=<output> Data output file\n"
+" -O, --oob=<oob> OOB output file\n"
+" -p, --pagesize=<pagesize> NAND pagesize\n"
+" -?, --help Give this help list\n"
+" --usage Give a short usage message\n";
+
+static const char *usage =
+"Usage: nand2bin [-?] [-o <output>] [-O <oob>] [-p <pagesize>]\n"
+" [--output=<output>] [--oob=<oob>] [--pagesize=<pagesize>] [--help]\n"
+" [--usage] input.mif\n";
+
+struct option long_options[] = {
+ { .name = "output", .has_arg = 1, .flag = NULL, .val = 'o' },
+ { .name = "oob", .has_arg = 1, .flag = NULL, .val = 'O' },
+ { .name = "pagesize", .has_arg = 1, .flag = NULL, .val = 'p' },
+ { .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
+ { .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
+ { NULL, 0, NULL, 0}
};
/*
@@ -137,52 +120,51 @@ uint32_t 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)
{
- struct args *args = state->input;
-
- switch (key) {
- case 'p': /* --pagesize<pagesize> */
- args->pagesize = str_to_num(arg); break;
-
- case 'o': /* --output=<output.bin> */
- args->output_file = arg;
- break;
-
- case 'O': /* --oob=<oob.bin> */
- args->output_file = arg;
- break;
-
- case ARGP_KEY_NO_ARGS:
- /* argp_usage(state); */
- break;
-
- case ARGP_KEY_ARG:
- args->arg1 = arg;
- /* 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);
+ while (1) {
+ int key;
+
+ key = getopt_long(argc, argv, "o:O:p:?", long_options, NULL);
+ if (key == -1)
+ break;
+
+ switch (key) {
+ case 'p': /* --pagesize<pagesize> */
+ args->pagesize = str_to_num(optarg);
+ break;
+
+ case 'o': /* --output=<output.bin> */
+ args->output_file = optarg;
+ break;
+
+ case 'O': /* --oob=<oob.bin> */
+ args->output_file = optarg;
+ break;
+
+ case '?': /* help */
+ printf("Usage: nand2bin [OPTION...] input.mif\n");
+ printf("%s", doc);
+ printf("%s", optionsstr);
+ printf("\nReport bugs to %s\n", PACKAGE_BUGREPORT);
+ exit(0);
+ break;
+
+ case 'V':
+ printf("%s\n", PACKAGE_VERSION);
+ exit(0);
+ break;
+
+ default:
+ printf("%s", usage);
+ exit(-1);
+ }
}
+ if (optind < argc)
+ args->arg1 = argv[optind++];
+
return 0;
}
@@ -295,7 +277,7 @@ main(int argc, char *argv[])
{
FILE *in, *bin, *oob;
- argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &myargs);
+ parse_opt(argc, argv, &myargs);
if (!myargs.arg1) {
fprintf(stderr, "Please specify input file!\n");