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authorSascha Hauer <s.hauer@pengutronix.de>2007-07-05 18:01:52 +0200
committerSascha Hauer <sha@octopus.labnet.pengutronix.de>2007-07-05 18:01:52 +0200
commit2692aaeb76f66cc8fe2f1196697d9a75b06c4522 (patch)
treebbcaa13d5ff6ce13bcfa49852ae29c2442cf1fda /common/environment.c
parent007c37fb9a42823cba81012a3fba49c39786228a (diff)
downloadbarebox-2692aaeb76f66cc8fe2f1196697d9a75b06c4522.tar.gz
barebox-2692aaeb76f66cc8fe2f1196697d9a75b06c4522.tar.xz
svn_rev_419
add ifdef for host compilation
Diffstat (limited to 'common/environment.c')
-rw-r--r--common/environment.c136
1 files changed, 98 insertions, 38 deletions
diff --git a/common/environment.c b/common/environment.c
index fd8307de09..d7e2ff5862 100644
--- a/common/environment.c
+++ b/common/environment.c
@@ -1,3 +1,20 @@
+#ifdef HOST
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <limits.h>
+#include <errno.h>
+#include <dirent.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include "../include/envfs.h"
+#define xmalloc malloc
+
+#else
#include <common.h>
#include <command.h>
#include <driver.h>
@@ -8,10 +25,11 @@
#include <linux/stat.h>
#include <envfs.h>
#include <xfuncs.h>
+#endif
-int envfs_save(char *path, char *env_path)
+int envfs_save(char *filename, char *dirname)
{
- struct dir *dir;
+ DIR *dir;
struct dirent *d;
int malloc_size = 0;
struct stat s;
@@ -23,7 +41,7 @@ int envfs_save(char *path, char *env_path)
struct envfs_inode *inode = NULL;
int fd;
- envfd = open(path, O_WRONLY);
+ envfd = open(filename, O_WRONLY);
if (envfd < 0) {
perror("open");
return -1;
@@ -33,7 +51,7 @@ int envfs_save(char *path, char *env_path)
write(envfd, &super, sizeof(struct envfs_super));
- dir = opendir(env_path);
+ dir = opendir(dirname);
if (!dir) {
perror("opendir");
close(envfd);
@@ -41,7 +59,7 @@ int envfs_save(char *path, char *env_path)
}
while ((d = readdir(dir))) {
- sprintf(tmp, "%s/%s", env_path, d->name);
+ sprintf(tmp, "%s/%s", dirname, d->d_name);
if (stat(tmp, &s)) {
perror("stat");
goto out;
@@ -54,6 +72,7 @@ int envfs_save(char *path, char *env_path)
if (buf)
free(buf);
inode = xmalloc(isize);
+ buf = inode;
malloc_size = isize;
}
fd = open(tmp, O_RDONLY);
@@ -69,16 +88,17 @@ int envfs_save(char *path, char *env_path)
close(fd);
inode->magic = ENVFS_INODE_MAGIC;
inode->size = s.st_size;
- strcpy(inode->name, d->name); /* FIXME: strncpy */
- /* calc crc */
+ strcpy(inode->name, d->d_name); /* FIXME: strncpy */
+ /* FIXME: calc crc */
if (write(envfd, inode, isize) < isize) {
perror("write");
goto out;
}
}
- *(unsigned long *)tmp = ENVFS_END_MAGIC;
- if (write(envfd, &tmp, 4) < 4) {
+ memset(inode, 0, sizeof(struct envfs_inode));
+ inode->magic = ENVFS_END_MAGIC;
+ if (write(envfd, inode, sizeof(struct envfs_inode)) < sizeof(struct envfs_inode)) {
perror("write");
goto out;
}
@@ -90,30 +110,32 @@ out:
return 0;
}
-int do_envsave(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+#ifndef HOST
+int do_saveenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- char *env, *envpath;
+ char *filename, *dirname;
printf("saving environment\n");
if (argc < 3)
- envpath = "/env";
+ dirname = "/env";
else
- envpath = argv[2];
+ dirname = argv[2];
if (argc < 2)
- env = "/dev/env0";
+ filename = "/dev/env0";
else
- env = argv[1];
+ filename = argv[1];
- return envfs_save(env, envpath);
+ return envfs_save(filename, dirname);
}
-U_BOOT_CMD(
- envsave, 3, 0, do_envsave,
- "saveenv - save environment variables to persistent storage\n",
- NULL
-);
+U_BOOT_CMD_START(saveenv)
+ .maxargs = 3,
+ .cmd = do_saveenv,
+ .usage = "saveenv - save environment to persistent storage\n",
+U_BOOT_CMD_END
+#endif
-int envfs_load(char *path, char *env_path)
+int envfs_load(char *filename, char *dirname)
{
int malloc_size = 0;
struct envfs_super super;
@@ -123,7 +145,7 @@ int envfs_load(char *path, char *env_path)
struct envfs_inode inode;
int fd;
- envfd = open(path, O_RDONLY);
+ envfd = open(filename, O_RDONLY);
if (envfd < 0) {
perror("open");
return -1;
@@ -142,7 +164,7 @@ int envfs_load(char *path, char *env_path)
if (inode.magic == ENVFS_END_MAGIC)
break;
if (inode.magic != ENVFS_INODE_MAGIC) {
- printf("envfs: wrong magic on %s\n", path);
+ printf("envfs: wrong magic on %s\n", filename);
goto out;
}
if (inode.size > malloc_size) {
@@ -155,7 +177,7 @@ int envfs_load(char *path, char *env_path)
perror("read");
goto out;
}
- sprintf(tmp, "%s/%s", env_path, inode.name);
+ sprintf(tmp, "%s/%s", dirname, inode.name);
fd = open(tmp, O_WRONLY | O_CREAT);
if (fd < 0) {
@@ -185,25 +207,63 @@ out:
return errno;
}
-int do_envload(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+#ifndef HOST
+int do_loadenv(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
- char *env, *envpath;
+ char *filename, *dirname;
if (argc < 3)
- envpath = "/env";
+ dirname = "/env";
else
- envpath = argv[2];
+ dirname = argv[2];
if (argc < 2)
- env = "/dev/env0";
+ filename = "/dev/env0";
else
- env = argv[1];
- printf("loading environment\n");
- return envfs_load(env, envpath);
+ filename = argv[1];
+ printf("loading environment from %s\n", filename);
+ return envfs_load(filename, dirname);
}
-U_BOOT_CMD(
- envload, 3, 0, do_envload,
- "envload - bla\n",
- NULL
-);
+U_BOOT_CMD_START(loadenv)
+ .maxargs = 3,
+ .cmd = do_loadenv,
+ .usage = "loadenv - load environment from persistent storage\n",
+U_BOOT_CMD_END
+#endif
+
+#ifdef HOST
+int main(int argc, char *argv[])
+{
+ int opt;
+ int save = 0, load = 0;
+ char *filename = NULL, *dirname = NULL;
+
+ while((opt = getopt(argc, argv, "sld:f:")) != -1) {
+ switch (opt) {
+ case 's':
+ save = 1;
+ break;
+ case 'l':
+ load = 1;
+ break;
+ case 'f':
+ filename = optarg;
+ break;
+ case 'd':
+ dirname = optarg;
+ break;
+ }
+ }
+
+ if (load) {
+ printf("loading env\n");
+ envfs_load(filename, dirname);
+ }
+ if (save) {
+ printf("saving env\n");
+ envfs_save(filename, dirname);
+ }
+ exit(0);
+}
+#endif