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-rw-r--r--tools/env/fw_env.c27
1 files changed, 24 insertions, 3 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 52e0bec089..692abda731 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -35,6 +35,12 @@
#include "fw_env.h"
+struct env_opts default_opts = {
+#ifdef CONFIG_FILE
+ .config_file = CONFIG_FILE
+#endif
+};
+
#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
#define min(x, y) ({ \
@@ -229,6 +235,9 @@ int fw_printenv(int argc, char *argv[], int value_only, struct env_opts *opts)
char *env, *nxt;
int i, rc = 0;
+ if (!opts)
+ opts = &default_opts;
+
if (fw_env_open(opts))
return -1;
@@ -289,6 +298,9 @@ int fw_env_close(struct env_opts *opts)
{
int ret;
+ if (!opts)
+ opts = &default_opts;
+
if (opts->aes_flag) {
ret = env_aes_cbc_crypt(environment.data, 1,
opts->aes_key);
@@ -452,6 +464,9 @@ int fw_setenv(int argc, char *argv[], struct env_opts *opts)
char *value = NULL;
int valc;
+ if (!opts)
+ opts = &default_opts;
+
if (argc < 1) {
fprintf(stderr, "## Error: variable name missing\n");
errno = EINVAL;
@@ -524,6 +539,9 @@ int fw_parse_script(char *fname, struct env_opts *opts)
int len;
int ret = 0;
+ if (!opts)
+ opts = &default_opts;
+
if (fw_env_open(opts)) {
fprintf(stderr, "Error: environment not initialized\n");
return -1;
@@ -1139,6 +1157,9 @@ int fw_env_open(struct env_opts *opts)
struct env_image_single *single;
struct env_image_redundant *redundant;
+ if (!opts)
+ opts = &default_opts;
+
if (parse_config(opts)) /* should fill envdevices */
return -1;
@@ -1312,10 +1333,10 @@ static int parse_config(struct env_opts *opts)
{
struct stat st;
-#if defined(CONFIG_FILE)
- if (!common_args.config_file)
- common_args.config_file = CONFIG_FILE;
+ if (!opts)
+ opts = &default_opts;
+#if defined(CONFIG_FILE)
/* Fills in DEVNAME(), ENVSIZE(), DEVESIZE(). Or don't. */
if (get_config(opts->config_file)) {
fprintf(stderr, "Cannot parse config file '%s': %m\n",
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