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add patch from FSCORE-136 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8776 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale 2008-06-06 13:43:41 +00:00
parent 0521a95bf0
commit 9e3ff7cfd1
1 changed files with 8 additions and 4 deletions
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12
src/switch_channel.c
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@ -1599,8 +1599,8 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
char *p, *c = NULL;
char *data, *indup;
size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128;
const char *q, *sub_val = NULL;
char *cloned_sub_val = NULL;
const char *q;
char *cloned_sub_val = NULL, *sub_val = NULL;
char *func_val = NULL;
int nv = 0;
@ -1743,7 +1743,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
}
}
if ((sub_val = switch_channel_get_variable(channel, vname))) {
if ((sub_val = (char *) switch_channel_get_variable(channel, vname))) {
if (offset || ooffset) {
cloned_sub_val = strdup(sub_val);
switch_assert(cloned_sub_val);
@ -1751,7 +1751,11 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
}
if (offset >= 0) {
sub_val += offset;
if (offset > strlen(sub_val)) {
*sub_val = '\0';
} else {
sub_val += offset;
}
} else if ((size_t) abs(offset) <= strlen(sub_val)) {
sub_val = cloned_sub_val + (strlen(cloned_sub_val) + offset);
}