Review at  https://gerrit.osmocom.org/6673

msc_mgcp: use more conceise error msg on truncation

When a truncation check (osmo_strlcpy()) fails handle_error()
is called with MGCP_ERR_NOMEM as cause code. Which finally
results in an "out of memory" message. MGCP_ERR_NOMEM is only
used for failed truncation checks, so it makes sense to choose
a message that describes the cause of the problem better.

- rename MGCP_ERR_NOMEM to MGCP_ERR_TOOLONG
- replace error message string

Change-Id: Ifedb85c1933a30b2aa491b495119919f45782e2c
---
M src/libmsc/msc_mgcp.c
1 file changed, 7 insertions(+), 7 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/73/6673/1

diff --git a/src/libmsc/msc_mgcp.c b/src/libmsc/msc_mgcp.c
index f5e40d2..8a7e33f 100644
--- a/src/libmsc/msc_mgcp.c
+++ b/src/libmsc/msc_mgcp.c
@@ -62,7 +62,7 @@
        MGCP_ERR_UNSUPP_ADDR_FMT,
        MGCP_ERR_RAN_TIMEOUT,
        MGCP_ERR_ASS_TIMEOUT,
-       MGCP_ERR_NOMEM,
+       MGCP_ERR_TOOLONG,
        MGCP_ERR_ASSGMNT_FAIL
 };
 
@@ -76,7 +76,7 @@
        {MGCP_ERR_UNSUPP_ADDR_FMT, "unsupported network address format used 
(RAN)"},
        {MGCP_ERR_RAN_TIMEOUT, "call could not be completed in time (RAN)"},
        {MGCP_ERR_ASS_TIMEOUT, "assignment could not be completed in time 
(RAN)"},
-       {MGCP_ERR_NOMEM, "out of memory"},
+       {MGCP_ERR_TOOLONG, "string value too long"},
        {MGCP_ERR_ASSGMNT_FAIL, "assignment failure (RAN)"},
        {0, NULL}
 };
@@ -250,7 +250,7 @@
        };
        if (osmo_strlcpy(mgcp_msg.endpoint, mgcp_ctx->rtp_endpoint, 
sizeof(mgcp_msg.endpoint)) >=
            MGCP_ENDPOINT_MAXLEN) {
-               handle_error(mgcp_ctx, MGCP_ERR_NOMEM);
+               handle_error(mgcp_ctx, MGCP_ERR_TOOLONG);
                return;
        }
 
@@ -346,7 +346,7 @@
        };
        if (osmo_strlcpy(mgcp_msg.endpoint, mgcp_ctx->rtp_endpoint, 
sizeof(mgcp_msg.endpoint)) >=
            MGCP_ENDPOINT_MAXLEN) {
-               handle_error(mgcp_ctx, MGCP_ERR_NOMEM);
+               handle_error(mgcp_ctx, MGCP_ERR_TOOLONG);
                return;
        }
 
@@ -510,7 +510,7 @@
        };
        if (osmo_strlcpy(mgcp_msg.endpoint, mgcp_ctx->rtp_endpoint, 
sizeof(mgcp_msg.endpoint)) >=
            MGCP_ENDPOINT_MAXLEN) {
-               handle_error(mgcp_ctx, MGCP_ERR_NOMEM);
+               handle_error(mgcp_ctx, MGCP_ERR_TOOLONG);
                return;
        }
 
@@ -627,7 +627,7 @@
        };
        if (osmo_strlcpy(mgcp_msg.endpoint, mgcp_ctx->rtp_endpoint, 
sizeof(mgcp_msg.endpoint)) >=
            MGCP_ENDPOINT_MAXLEN) {
-               handle_error(mgcp_ctx, MGCP_ERR_NOMEM);
+               handle_error(mgcp_ctx, MGCP_ERR_TOOLONG);
                return;
        }
 
@@ -708,7 +708,7 @@
        };
        if (osmo_strlcpy(mgcp_msg.endpoint, mgcp_ctx->rtp_endpoint, 
sizeof(mgcp_msg.endpoint)) >=
            MGCP_ENDPOINT_MAXLEN) {
-               handle_error(mgcp_ctx, MGCP_ERR_NOMEM);
+               handle_error(mgcp_ctx, MGCP_ERR_TOOLONG);
                return;
        }
 

-- 
To view, visit https://gerrit.osmocom.org/6673
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ifedb85c1933a30b2aa491b495119919f45782e2c
Gerrit-PatchSet: 1
Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-Owner: dexter <pma...@sysmocom.de>

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