kumquat-buildroot/package/fconfig/fconfig-listmode.patch

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diff -x.svn -u fconfig/crunchfc.c ../../../snapgear_avila/user/fconfig/crunchfc.c
--- fconfig/crunchfc.c 2006-03-15 01:18:17.000000000 +1100
+++ ../../../snapgear_avila/user/fconfig/crunchfc.c 2007-09-06 13:48:38.000000000 +1000
@@ -320,6 +320,48 @@
}
/*
+ * List known keys.
+ */
+int8_t list_keys(struct config_data *data)
+{
+ struct fconfig_key key;
+ uint32_t len = data->reallen;
+ uint8_t *keyptr = NULL;
+ uint8_t *ptr = data->buf+8;
+ uint8_t *ptrend = data->buf+len-9;
+ printer_t printer;
+
+ while (ptr < ptrend-4) {
+ keyptr = ptr;
+ ptr = get_key(ptr, &key);
+ if (ptr == NULL) {
+ MESSAGE(VERB_LOW, "Error in structure\n");
+ return -1;
+ }
+ if (ptr > ptrend) {
+ MESSAGE(VERB_LOW, "Parser went out of struct!\n");
+ return -1;
+ }
+
+ if ((key.type == 0) && (key.namelen==0)) {
+ MESSAGE(VERB_NORMAL, "EOF reached - key not found\n");
+ return -1;
+ }
+
+ print_key(&key, VERB_HIGH, data->swab);
+
+ printf("%s: ", key.keyname);
+ printer = TYPE_PRINTER(key.type);
+ if (printer == NULL) {
+ MESSAGE(VERB_LOW, "Printer missing for type %d\n", key.type);
+ return -1;
+ }
+ printer(key.dataval);
+ printf("\n");
+ }
+}
+
+/*
* Find a key with given nickname, check its type and set value
* Assumes that verify_fconfig() has been called on 'data' before.
*/
diff -x.svn -u fconfig/crunchfc.h ../../../snapgear_avila/user/fconfig/crunchfc.h
--- fconfig/crunchfc.h 2006-03-15 01:18:17.000000000 +1100
+++ ../../../snapgear_avila/user/fconfig/crunchfc.h 2007-09-06 13:48:38.000000000 +1000
@@ -31,6 +31,7 @@
int8_t verify_fconfig(struct config_data *data);
int8_t get_key_value(struct config_data *data, uint8_t *nickname);
int8_t set_key_value(struct config_data *data, uint8_t *nickname, void *value);
+int8_t list_keys(struct config_data *data);
void recalculate_crc(struct config_data *data);
#endif //CRUNCHFC_H
diff -x.svn -u fconfig/fconfig.c ../../../snapgear_avila/user/fconfig/fconfig.c
--- fconfig/fconfig.c 2006-03-15 01:18:18.000000000 +1100
+++ ../../../snapgear_avila/user/fconfig/fconfig.c 2007-09-06 13:48:38.000000000 +1000
@@ -35,8 +35,9 @@
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
+#include <getopt.h>
#include "debug.h"
#include "ftypes.h"
#include "crunchfc.h"
@@ -72,7 +73,7 @@
}
fputs("Read or write Redboot configuration\n", stdout);
- fputs("usage: fconfig [-r|-w] -d dev -n nickname -x value\n", stdout);
+ fputs("usage: fconfig [-r|-w|-l] -d dev -n nickname -x value\n", stdout);
fputs("'dev' may be a char device, block device or a file\n", stdout);
fputs("Supported types: \n", stdout);
for (i = 0; i < NUM_TYPES; i++) {
@@ -181,7 +182,33 @@
close_fconfig_handle(data);
return 0;
-exit_fail:
+exit_fail:
+ close_fconfig_handle(data);
+ return 1;
+}
+
+/*
+ * List mode of operation: list parameter values from the configuration.
+ */
+static int list_mode(struct config_data *data, uint8_t *device)
+{
+ if (get_fconfig_handle(data, device, O_RDONLY) == NULL) {
+ MESSAGE(VERB_LOW, "Could not get a config data handle!\n");
+ return 1;
+ }
+ if (verify_fconfig(data)) {
+ MESSAGE(VERB_LOW, "Config verification failed!\n");
+ goto exit_fail;
+ }
+
+ if (list_keys(data)) {
+ goto exit_fail;
+ }
+
+ close_fconfig_handle(data);
+ return 0;
+
+exit_fail:
close_fconfig_handle(data);
return 1;
}
@@ -189,6 +216,7 @@
#define MODE_NONE 0
#define MODE_WRITE 1
#define MODE_READ 2
+#define MODE_LIST 3
/*
* main(). ...nuff said.
@@ -202,14 +230,17 @@
uint8_t *value = NULL;
uint8_t *device = NULL;
- while ((c = getopt(argc, argv, "hrwvsd:n:x:")) != -1) {
+ while ((c = getopt(argc, argv, "hrwlvsd:n:x:")) != -1) {
switch (c) {
case 'r':
mode = MODE_READ;
break;
- case 'w':
+ case 'w':
mode = MODE_WRITE;
break;
+ case 'l':
+ mode = MODE_LIST;
+ break;
case 'n':
nickname = optarg;
break;
@@ -240,7 +271,7 @@
MESSAGE(VERB_NORMAL, "Normal verbosity messages are printed.\n");
MESSAGE(VERB_HIGH, "High verbosity messages are printed.\n");
- if (nickname == NULL) {
+ if (nickname == NULL && mode != MODE_LIST) {
usage();
exit(1);
}
@@ -251,13 +282,16 @@
}
switch (mode) {
- case MODE_WRITE :
+ case MODE_WRITE :
ret = write_mode(&data, device, nickname, value);
break;
- case MODE_READ :
+ case MODE_READ :
ret = read_mode(&data, device, nickname);
break;
- default :
+ case MODE_LIST :
+ ret = list_mode(&data, device);
+ break;
+ default :
MESSAGE(VERB_LOW, "Unknown mode of operation\n");
usage();
ret = 1;