Change in libosmocore[master]: gsm_utils: fix use buf_len instead of sizeof() osmo_dump_gsmtime_buf

dexter gerrit-no-reply at lists.osmocom.org
Mon Apr 8 10:12:13 UTC 2019


dexter has uploaded this change for review. ( https://gerrit.osmocom.org/13547


Change subject: gsm_utils: fix use buf_len instead of sizeof() osmo_dump_gsmtime_buf
......................................................................

gsm_utils: fix use buf_len instead of sizeof() osmo_dump_gsmtime_buf

The function osmo_dump_gsmtime_buf gets a pointer *buf and a parameter
buf_len. The pointer *buf is a string buffer and the function places an
\0 at the end of the buffer before it exists. However it uses
sizeof(buf) as part of the index calculation, which is incorrect. Lets
correct this by using buf_len instead.

Change-Id: Id24263aa7c9a53544f1639b6ceb09ce5615d5114
---
M src/gsm/gsm_utils.c
1 file changed, 1 insertion(+), 1 deletion(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/47/13547/1

diff --git a/src/gsm/gsm_utils.c b/src/gsm/gsm_utils.c
index f34d9ea..f2bf57b 100644
--- a/src/gsm/gsm_utils.c
+++ b/src/gsm/gsm_utils.c
@@ -890,7 +890,7 @@
 {
 	snprintf(buf, buf_len, "%06"PRIu32"/%02"PRIu16"/%02"PRIu8"/%02"PRIu8"/%02"PRIu8,
 		 tm->fn, tm->t1, tm->t2, tm->t3, (uint8_t)tm->fn%52);
-	buf[sizeof(buf)-1] = '\0';
+	buf[buf_len-1] = '\0';
 	return buf;
 }
 

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Gerrit-Project: libosmocore
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: Id24263aa7c9a53544f1639b6ceb09ce5615d5114
Gerrit-Change-Number: 13547
Gerrit-PatchSet: 1
Gerrit-Owner: dexter <pmaier at sysmocom.de>
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