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-rw-r--r--flash_eraseall.c193
1 files changed, 89 insertions, 104 deletions
diff --git a/flash_eraseall.c b/flash_eraseall.c
index a2a6b0a..5740719 100644
--- a/flash_eraseall.c
+++ b/flash_eraseall.c
@@ -47,24 +47,107 @@
static const char *exe_name;
static const char *mtd_device;
static int quiet; /* true -- don't output progress */
-static int jffs2; // format for jffs2 usage
+static int jffs2; /* format for jffs2 usage */
-static void process_options (int argc, char *argv[]);
-void show_progress (struct mtd_dev_info *mtd, uint64_t start);
-static void display_help (void);
-static void display_version (void);
static struct jffs2_unknown_node cleanmarker;
int target_endian = __BYTE_ORDER;
+static void show_progress (struct mtd_dev_info *mtd, uint64_t start)
+{
+ printf("\rErasing %d Kibyte @ %llx -- %2llu %% complete.",
+ mtd->eb_size / 1024, (unsigned long long)start,
+ (unsigned long long) start * 100 / mtd->size);
+ fflush(stdout);
+}
+
+static void display_help (void)
+{
+ printf("Usage: %s [OPTION] MTD_DEVICE\n"
+ "Erases all of the specified MTD device.\n"
+ "\n"
+ " -j, --jffs2 format the device for jffs2\n"
+ " -q, --quiet don't display progress messages\n"
+ " --silent same as --quiet\n"
+ " --help display this help and exit\n"
+ " --version output version information and exit\n",
+ exe_name);
+}
+
+
+static void display_version (void)
+{
+ printf(PROGRAM " " VERSION "\n"
+ "\n"
+ "Copyright (C) 2000 Arcom Control Systems Ltd\n"
+ "\n"
+ PROGRAM " comes with NO WARRANTY\n"
+ "to the extent permitted by law.\n"
+ "\n"
+ "You may redistribute copies of " PROGRAM "\n"
+ "under the terms of the GNU General Public Licence.\n"
+ "See the file `COPYING' for more information.\n");
+}
+
int main (int argc, char *argv[])
{
libmtd_t mtd_desc;
struct mtd_dev_info mtd;
int fd, clmpos = 0, clmlen = 8, eb;
int isNAND, bbtest = 1;
+ int error = 0;
uint64_t offset = 0;
- process_options(argc, argv);
+ exe_name = argv[0];
+ for (;;) {
+ int option_index = 0;
+ static const char *short_options = "jq";
+ static const struct option long_options[] = {
+ {"help", no_argument, 0, 0},
+ {"version", no_argument, 0, 0},
+ {"jffs2", no_argument, 0, 'j'},
+ {"quiet", no_argument, 0, 'q'},
+ {"silent", no_argument, 0, 'q'},
+
+ {0, 0, 0, 0},
+ };
+
+ int c = getopt_long(argc, argv, short_options,
+ long_options, &option_index);
+ if (c == EOF)
+ break;
+
+ switch (c) {
+ case 0:
+ switch (option_index) {
+ case 0:
+ display_help();
+ return 0;
+ case 1:
+ display_version();
+ return 0;
+ }
+ break;
+ case 'q':
+ quiet = 1;
+ break;
+ case 'j':
+ jffs2 = 1;
+ break;
+ case '?':
+ error = 1;
+ break;
+ }
+ }
+ if (optind == argc) {
+ fprintf(stderr, "%s: no MTD device specified\n", exe_name);
+ error = 1;
+ }
+ if (error) {
+ fprintf(stderr, "Try `%s --help' for more information.\n",
+ exe_name);
+ return 1;
+ }
+ mtd_device = argv[optind];
mtd_desc = libmtd_open();
if (mtd_desc == NULL) {
@@ -191,101 +274,3 @@ int main (int argc, char *argv[])
return 0;
}
-
-void process_options (int argc, char *argv[])
-{
- int error = 0;
-
- exe_name = argv[0];
-
- for (;;) {
- int option_index = 0;
- static const char *short_options = "jq";
- static const struct option long_options[] = {
- {"help", no_argument, 0, 0},
- {"version", no_argument, 0, 0},
- {"jffs2", no_argument, 0, 'j'},
- {"quiet", no_argument, 0, 'q'},
- {"silent", no_argument, 0, 'q'},
-
- {0, 0, 0, 0},
- };
-
- int c = getopt_long(argc, argv, short_options,
- long_options, &option_index);
- if (c == EOF) {
- break;
- }
-
- switch (c) {
- case 0:
- switch (option_index) {
- case 0:
- display_help();
- break;
- case 1:
- display_version();
- break;
- }
- break;
- case 'q':
- quiet = 1;
- break;
- case 'j':
- jffs2 = 1;
- break;
- case '?':
- error = 1;
- break;
- }
- }
- if (optind == argc) {
- fprintf(stderr, "%s: no MTD device specified\n", exe_name);
- error = 1;
- }
- if (error) {
- fprintf(stderr, "Try `%s --help' for more information.\n",
- exe_name);
- exit(1);
- }
-
- mtd_device = argv[optind];
-}
-
-void show_progress (struct mtd_dev_info *mtd, uint64_t start)
-{
- printf("\rErasing %d Kibyte @ %llx -- %2llu %% complete.",
- mtd->eb_size / 1024, (unsigned long long)start,
- (unsigned long long) start * 100 / mtd->size);
- fflush(stdout);
-}
-
-void display_help (void)
-{
- printf("Usage: %s [OPTION] MTD_DEVICE\n"
- "Erases all of the specified MTD device.\n"
- "\n"
- " -j, --jffs2 format the device for jffs2\n"
- " -q, --quiet don't display progress messages\n"
- " --silent same as --quiet\n"
- " --help display this help and exit\n"
- " --version output version information and exit\n",
- exe_name);
- exit(0);
-}
-
-
-void display_version (void)
-{
- printf(PROGRAM " " VERSION "\n"
- "\n"
- "Copyright (C) 2000 Arcom Control Systems Ltd\n"
- "\n"
- PROGRAM " comes with NO WARRANTY\n"
- "to the extent permitted by law.\n"
- "\n"
- "You may redistribute copies of " PROGRAM "\n"
- "under the terms of the GNU General Public Licence.\n"
- "See the file `COPYING' for more information.\n");
- exit(0);
-}