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-rw-r--r--tools/env/fw_env.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index daa02a760e..ba11f7727b 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -124,6 +124,7 @@ static int parse_config (void);
#if defined(CONFIG_FILE)
static int get_config (char *);
+static char *config_file = CONFIG_FILE;
#endif
static inline ulong getenvsize (void)
{
@@ -246,6 +247,19 @@ int fw_printenv (int argc, char *argv[])
int i, n_flag;
int rc = 0;
+#ifdef CONFIG_FILE
+ if (argc >= 2 && strcmp(argv[1], "-c") == 0) {
+ if (argc < 3) {
+ fprintf(stderr,
+ "## Error: '-c' option requires the config file to use\n");
+ return -1;
+ }
+ config_file = argv[2];
+ argv += 2;
+ argc -= 2;
+ }
+#endif
+
if (argc >= 2 && strcmp(argv[1], "-a") == 0) {
if (argc < 3) {
fprintf(stderr,
@@ -486,6 +500,19 @@ int fw_setenv(int argc, char *argv[])
char *name;
char *value = NULL;
+#ifdef CONFIG_FILE
+ if (argc >= 2 && strcmp(argv[1], "-c") == 0) {
+ if (argc < 3) {
+ fprintf(stderr,
+ "## Error: '-c' option requires the config file to use\n");
+ return -1;
+ }
+ config_file = argv[2];
+ argv += 2;
+ argc -= 2;
+ }
+#endif
+
if (argc < 2) {
errno = EINVAL;
return -1;
@@ -1364,9 +1391,9 @@ static int parse_config ()
#if defined(CONFIG_FILE)
/* Fills in DEVNAME(), ENVSIZE(), DEVESIZE(). Or don't. */
- if (get_config (CONFIG_FILE)) {
+ if (get_config (config_file)) {
fprintf (stderr,
- "Cannot parse config file: %s\n", strerror (errno));
+ "Cannot parse config file '%s': %s\n", config_file, strerror (errno));
return -1;
}
#else
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