Move parameter file opening into separate function

* use talloc for file path allocation
* print detailed error on failures

This simplifies troubleshooting of lc15bts-mgr failures.

Change-Id: I86c93a2a4f080e8ac1517be93f58f6ffd00d248c
Related: SYS#3686

1 files changed, 7 insertions, 6 deletions

diff --git a/src/osmo-bts-litecell15/misc/lc15bts_par.h b/src/osmo-bts-litecell15/misc/lc15bts_par.h
index c50a69fc..b9fe7409 100644
--- a/src/osmo-bts-litecell15/misc/lc15bts_par.h
+++ b/src/osmo-bts-litecell15/misc/lc15bts_par.h
@@ -3,6 +3,9 @@
 
 #include <osmocom/core/utils.h>
 
+#define FACTORY_ROM_PATH	"/mnt/rom/factory"
+#define USER_ROM_PATH		"/mnt/rom/user"
+
 enum lc15bts_par {
 	LC15BTS_PAR_TEMP_SUPPLY_MAX,
 	LC15BTS_PAR_TEMP_SOC_MAX,
@@ -22,12 +25,10 @@ enum lc15bts_par {
 
 extern const struct value_string lc15bts_par_names[_NUM_LC15BTS_PAR+1];
 
-int lc15bts_par_get_int(enum lc15bts_par par, int *ret);
-int lc15bts_par_set_int(enum lc15bts_par par, int val);
-int lc15bts_par_get_buf(enum lc15bts_par par, uint8_t *buf,
-			 unsigned int size);
-int lc15bts_par_set_buf(enum lc15bts_par par, const uint8_t *buf,
-			 unsigned int size);
+int lc15bts_par_get_int(void *ctx, enum lc15bts_par par, int *ret);
+int lc15bts_par_set_int(void *ctx, enum lc15bts_par par, int val);
+int lc15bts_par_get_buf(void *ctx, enum lc15bts_par par, uint8_t *buf, unsigned int size);
+int lc15bts_par_set_buf(void *ctx, enum lc15bts_par par, const uint8_t *buf, unsigned int size);
 
 int lc15bts_par_is_int(enum lc15bts_par par);