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come down from the acid trip from the last commit 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3561 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2006-12-07 00:36:00 +00:00
parent d48e3bafa8
commit 20bc2fde18
1 changed files with 24 additions and 13 deletions
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37
src/switch_channel.c
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@ -1107,6 +1107,16 @@ SWITCH_DECLARE(switch_status_t) switch_channel_perform_answer(switch_channel_t *
}
#define resize(l) {\
char *dp;\
olen += (len + l + block);\
cpos = c - data;\
if ((dp = realloc(data, olen))) {\
data = dp;\
c = data + cpos;\
memset(c, 0, olen - cpos);\
}} \
SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel, char *in)
{
char *p, *c;
@ -1129,15 +1139,17 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
if (*p == '$') {
vtype = 1;
if (*(p+1) != '{') {
vtype = 2;
}
}
if (*(p+1) != '{') {
vtype = 2;
}
if (vtype) {
char *s = p, *e, *vname, *vval = NULL;
size_t nlen;
s++;
if (vtype == 1 && *s == '{') {
br = 1;
s++;
@ -1195,24 +1207,23 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
}
if ((nlen = sub_val ? strlen(sub_val) : 0)) {
if (len + nlen >= olen) {
char *dp;
olen += (len + nlen + block);
cpos = c - data;
if ((dp = realloc(data, olen))) {
data = dp;
c = data + cpos;
memset(c, 0, olen - cpos);
}
resize(nlen);
}
len += nlen;
strcat(c, sub_val);
c += nlen;
}
switch_safe_free(func_val);
sub_val = NULL;
vname = NULL;
vtype = 0;
}
if (len + 1 >= olen) {
resize(1);
}
if (sp) {
*c++ = ' ';
sp = 0;