libosmocore[master]: Revert "gsm48: move to hex TMSI representation"
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Message ID 20160520192210.B263A6059@lists.osmocom.org
State New
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Commit Message

gerrit-no-reply@lists.osmocom.org May 20, 2016, 7:22 p.m. UTC
Revert "gsm48: move to hex TMSI representation"

This is a "flag" day change. Old OpenBSC break with new libosmocore
because suddenly there is the 0x in front. I am afraid we need to
find a better solution here. I think we will need to create a
gsm48_mi_to_string variant that takes a mode parameter to enable the
TMSI mode and deprecate the old method.

Right now we should not break old versions of OpenBSC.

This reverts commit 78ad042f94afd5bf7de477ae634e9d2fdd9c9dc4.

Change-Id: I2f61e626f2f9088b492e1b643c3dcc9bce77d52b
---
M src/gsm/gsm48.c
1 file changed, 2 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/86/86/2

Patch
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diff --git a/src/gsm/gsm48.c b/src/gsm/gsm48.c
index d0e050b..8a46f76 100644
--- a/src/gsm/gsm48.c
+++ b/src/gsm/gsm48.c
@@ -458,10 +458,11 @@ 
 	case GSM_MI_TYPE_NONE:
 		break;
 	case GSM_MI_TYPE_TMSI:
+		/* Table 10.5.4.3, reverse generate_mid_from_tmsi */
 		if (mi_len == GSM48_TMSI_LEN && mi[0] == (0xf0 | GSM_MI_TYPE_TMSI)) {
 			memcpy(&tmsi, &mi[1], 4);
 			tmsi = ntohl(tmsi);
-			return snprintf(string, str_len, "0x%08X", tmsi);
+			return snprintf(string, str_len, "%u", tmsi);
 		}
 		break;
 	case GSM_MI_TYPE_IMSI: