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remove duplicated code in add_header

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26846 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Luigi Rizzo
2006-05-11 10:22:18 +00:00
parent 476c7a53e1
commit 96478ea3a2
1 changed files with 4 additions and 2 deletions
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6
channels/chan_sip.c
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@@ -4111,6 +4111,8 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req)
/*! \brief Add header to SIP message */
static int add_header(struct sip_request *req, const char *var, const char *value)
{
int maxlen = sizeof(req->data) - 4 - req->len; /* 4 bytes are for two \r\n ? */
if (req->headers == SIP_MAX_HEADERS) {
ast_log(LOG_WARNING, "Out of SIP header space\n");
return -1;
@@ -4121,7 +4123,7 @@ static int add_header(struct sip_request *req, const char *var, const char *valu
return -1;
}
if (req->len >= sizeof(req->data) - 4) {
if (maxlen <= 0) {
ast_log(LOG_WARNING, "Out of space, can't add anymore (%s:%s)\n", var, value);
return -1;
}
@@ -4131,7 +4133,7 @@ static int add_header(struct sip_request *req, const char *var, const char *valu
if (compactheaders)
var = find_alias(var, var);
snprintf(req->header[req->headers], sizeof(req->data) - req->len - 4, "%s: %s\r\n", var, value);
snprintf(req->header[req->headers], maxlen, "%s: %s\r\n", var, value);
req->len += strlen(req->header[req->headers]);
req->headers++;