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nwztools: various fix and enhancements

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Change-Id: Iaa89df27b7a0c4eb9fc6603c431de3d1fe791fa1
This commit is contained in:
Amaury Pouly 2012-11-03 14:04:27 +01:00
parent 6d04ed343c
commit 99f20b85f6
4 changed files with 71 additions and 17 deletions
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60
utils/nwztools/emmctools/emmctool.c
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@ -32,9 +32,10 @@
#include "nvp.h"
bool g_debug = false;
char *g_out_prefix = NULL;
FILE *g_in_file = NULL;
static char *g_out_prefix = NULL;
static FILE *g_in_file = NULL;
bool g_force = false;
static int g_nvp_node = -1;
#define let_the_force_flow(x) do { if(!g_force) return x; } while(0)
#define continue_the_force(x) if(x) let_the_force_flow(x)
@ -164,15 +165,52 @@ static int do_emmc(void)
return 0;
}
static int do_nvp_extract(void)
{
if(!g_out_prefix)
{
cprintf(GREY, "You must specify an output prefix to extract a NVP node\n");
return 1;
}
if(!nvp_is_valid_node(g_nvp_node))
{
cprintf(GREY, "Invalid NVP node %d\n", g_nvp_node);
return 3;
}
FILE *f = fopen(g_out_prefix, "wb");
if(!f)
{
cprintf(GREY, "Cannot open output file: %m\n");
return 2;
}
int size = nvp_get_node_size(g_nvp_node);
void *buffer = malloc(size);
int ret = nvp_read_node(g_nvp_node, 0, buffer, size);
if(ret < 0)
cprintf(GREY, "NVP read error: %d\n", ret);
else
{
cprintf(YELLOW, "%d ", ret);
cprintf(GREEN, "bytes written\n");
fwrite(buffer, 1, ret, f);
}
free(buffer);
fclose(f);
return 0;
}
static void usage(void)
{
printf("Usage: emmctool [options] img\n");
printf("Options:\n");
printf(" -o <prefix>\tSet output prefix\n");
printf(" -f/--force\tForce to continue on errors\n");
printf(" -?/--help\tDisplay this message\n");
printf(" -d/--debug\tDisplay debug messages\n");
printf(" -c/--no-color\tDisable color output\n");
printf(" -o <prefix>\t\tSet output prefix\n");
printf(" -f/--force\t\tForce to continue on errors\n");
printf(" -?/--help\t\tDisplay this message\n");
printf(" -d/--debug\t\tDisplay debug messages\n");
printf(" -c/--no-color\t\tDisable color output\n");
printf(" -e/--nvp-ex <node>\tExtract a NVP node\n");
exit(1);
}
@ -186,10 +224,11 @@ int main(int argc, char **argv)
{"debug", no_argument, 0, 'd'},
{"no-color", no_argument, 0, 'c'},
{"force", no_argument, 0, 'f'},
{"nvp-ex", required_argument, 0, 'e'},
{0, 0, 0, 0}
};
int c = getopt_long(argc, argv, "?dcfo:", long_options, NULL);
int c = getopt_long(argc, argv, "?dcfo:e:", long_options, NULL);
if(c == -1)
break;
switch(c)
@ -211,6 +250,9 @@ int main(int argc, char **argv)
case 'o':
g_out_prefix = optarg;
break;
case 'e':
g_nvp_node = strtoul(optarg, NULL, 0);
break;
default:
abort();
}
@ -232,6 +274,8 @@ int main(int argc, char **argv)
int ret = nvp_init(EMMC_NVP_SIZE, &nvp_read, g_debug);
if(ret) return ret;
ret = do_emmc();
if(ret == 0 && g_nvp_node >= 0)
ret = do_nvp_extract();
fclose(g_in_file);