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[package] unvram: make it work on bcm47xx, also look for /dev/mtdblockX

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15429 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow 2009-04-26 20:42:36 +00:00
parent 9f70f9f3b9
commit d7b9dc5572
3 changed files with 25 additions and 8 deletions
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2
package/unvram/Makefile
View File

@ -8,7 +8,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=unvram
PKG_RELEASE:=1
PKG_RELEASE:=2
PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)

29
package/unvram/src/nvram.c
View File

@ -409,6 +409,7 @@ const char * nvram_find_mtd(void)
int i, esz;
char dev[PATH_MAX];
char *path = NULL;
struct stat s;
// "/dev/mtdblock/" + ( 0 < x < 99 ) + \0 = 19
if( (path = (char *) malloc(19)) == NULL )
@ -416,12 +417,30 @@ const char * nvram_find_mtd(void)
if ((fp = fopen("/proc/mtd", "r"))) {
while (fgets(dev, sizeof(dev), fp)) {
if (strstr(dev, "nvram") && sscanf(dev, "mtd%d: %08x", &i, &esz)) {
if( (path = (char *) malloc(19)) != NULL )
if (strstr(dev, "nvram") && sscanf(dev, "mtd%d: %08x", &i, &esz))
{
nvram_erase_size = esz;
sprintf(dev, "/dev/mtdblock/%d", i);
if( stat(dev, &s) > -1 && (s.st_mode & S_IFBLK) )
{
nvram_erase_size = esz;
snprintf(path, 19, "/dev/mtdblock/%d", i);
break;
if( (path = (char *) malloc(strlen(dev)+1)) != NULL )
{
strncpy(path, dev, strlen(dev)+1);
break;
}
}
else
{
sprintf(dev, "/dev/mtdblock%d", i);
if( stat(dev, &s) > -1 && (s.st_mode & S_IFBLK) )
{
if( (path = (char *) malloc(strlen(dev)+1)) != NULL )
{
strncpy(path, dev, strlen(dev)+1);
break;
}
}
}
}
}

2
package/unvram/src/nvram.h
View File

@ -24,8 +24,6 @@
#include <errno.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
#include <linux/limits.h>
#include "sdinitvals.h"