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-rw-r--r--openbsc/src/libcommon/gsm_data.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/openbsc/src/libcommon/gsm_data.c b/openbsc/src/libcommon/gsm_data.c
index c70ffaee7..832775823 100644
--- a/openbsc/src/libcommon/gsm_data.c
+++ b/openbsc/src/libcommon/gsm_data.c
@@ -419,3 +419,29 @@ int gsm48_ra_id_by_bts(uint8_t *buf, struct gsm_bts *bts)
return gsm48_construct_ra(buf, &raid);
}
+
+int gsm_parse_reg(void *ctx, regex_t *reg, char **str, int argc, const char **argv)
+{
+ int ret;
+
+ ret = 0;
+ if (*str) {
+ talloc_free(*str);
+ *str = NULL;
+ }
+ regfree(reg);
+
+ if (argc > 0) {
+ *str = talloc_strdup(ctx, argv[0]);
+ ret = regcomp(reg, argv[0], 0);
+
+ /* handle compilation failures */
+ if (ret != 0) {
+ talloc_free(*str);
+ *str = NULL;
+ }
+ }
+
+ return ret;
+}
+