diff options
Diffstat (limited to 'ubi-utils/src/mkbootenv/mkbootenv.c')
| -rw-r--r-- | ubi-utils/src/mkbootenv/mkbootenv.c | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/ubi-utils/src/mkbootenv/mkbootenv.c b/ubi-utils/src/mkbootenv/mkbootenv.c new file mode 100644 index 0000000..49ce597 --- /dev/null +++ b/ubi-utils/src/mkbootenv/mkbootenv.c @@ -0,0 +1,173 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * 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. + * + * Author: Oliver Lohmann + * + * Create boot-parameter/pdd data from an ASCII-text input file. + */ + +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <getopt.h> +#include <argp.h> +#include <unistd.h> +#include <errno.h> +#include <mtd/ubi-header.h> + +#include "config.h" +#include "bootenv.h" +#include "error.h" + +const char *argp_program_version = PACKAGE_VERSION; +const char *argp_program_bug_address = PACKAGE_BUGREPORT; +static char doc[] = "\nVersion: " PACKAGE_VERSION "\n\tBuilt on " + BUILD_CPU" "BUILD_OS" at "__DATE__" "__TIME__"\n" + "\n" + "mkbootenv - processes bootenv text files and convertes " + "them into a binary format.\n"; + +static const char copyright [] __attribute__((unused)) = + "Copyright (c) International Business Machines Corp., 2006"; + +static struct argp_option options[] = { + { .name = "copyright", + .key = 'c', + .arg = NULL, + .flags = 0, + .doc = "Print copyright information.", + .group = 1 }, + { .name = "output", + .key = 'o', + .arg = "<output>", + .flags = 0, + .doc = "Write the the output data to <output> instead of stdout.", + .group = 1 }, + { .name = NULL, + .key = 0, + .arg = NULL, + .flags = 0, + .doc = NULL, + .group = 0 }, +}; + +typedef struct myargs { + FILE* fp_in; + FILE* fp_out; + + char *arg1; + char **options; /* [STRING...] */ +} myargs; + + + +static error_t +parse_opt(int key, char *arg, struct argp_state *state) +{ + int err = 0; + + myargs *args = state->input; + + switch (key) { + case 'c': + fprintf(stderr, "%s\n", copyright); + exit(0); + break; + case 'o': + args->fp_out = fopen(arg, "wb"); + if ((args->fp_out) == NULL) { + fprintf(stderr, + "Cannot open file %s for output\n", arg); + exit(1); + } + break; + case ARGP_KEY_ARG: + args->fp_in = fopen(arg, "rb"); + if ((args->fp_in) == NULL) { + fprintf(stderr, + "Cannot open file %s for input\n", arg); + exit(1); + } + args->arg1 = arg; + args->options = &state->argv[state->next]; + state->next = state->argc; + break; + case ARGP_KEY_END: + if (err) { + fprintf(stderr, "\n"); + argp_usage(state); + exit(1); + } + break; + default: + return(ARGP_ERR_UNKNOWN); + } + + return 0; +} + +static struct argp argp = { + .options = options, + .parser = parse_opt, + .args_doc = "[bootenv-txt-file]", + .doc = doc, + .children = NULL, + .help_filter = NULL, + .argp_domain = NULL, +}; + +int +main(int argc, char **argv) { + int rc = 0; + bootenv_t env; + + myargs args = { + .fp_in = stdin, + .fp_out = stdout, + .arg1 = NULL, + .options = NULL, + }; + + argp_parse(&argp, argc, argv, ARGP_IN_ORDER, 0, &args); + + rc = bootenv_create(&env); + if (rc != 0) { + err_msg("Cannot create bootenv handle."); + goto err; + } + rc = bootenv_read_txt(args.fp_in, env); + if (rc != 0) { + err_msg("Cannot read bootenv from input file."); + goto err; + } + rc = bootenv_write(args.fp_out, env); + if (rc != 0) { + err_msg("Cannot write bootenv to output file."); + goto err; + } + + if (args.fp_in != stdin) { + fclose(args.fp_in); + } + if (args.fp_out != stdout) { + fclose(args.fp_out); + } + +err: + bootenv_destroy(&env); + return rc; +} |