add patch from FSCORE-136
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8776 d0543943-73ff-0310-b7d9-9358b9ac24b2
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@ -1599,8 +1599,8 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
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char *p, *c = NULL;
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char *data, *indup;
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size_t sp = 0, len = 0, olen = 0, vtype = 0, br = 0, cpos, block = 128;
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const char *q, *sub_val = NULL;
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char *cloned_sub_val = NULL;
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const char *q;
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char *cloned_sub_val = NULL, *sub_val = NULL;
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char *func_val = NULL;
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int nv = 0;
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@ -1743,7 +1743,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
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}
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}
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if ((sub_val = switch_channel_get_variable(channel, vname))) {
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if ((sub_val = (char *) switch_channel_get_variable(channel, vname))) {
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if (offset || ooffset) {
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cloned_sub_val = strdup(sub_val);
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switch_assert(cloned_sub_val);
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@ -1751,7 +1751,11 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
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}
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if (offset >= 0) {
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sub_val += offset;
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if (offset > strlen(sub_val)) {
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*sub_val = '\0';
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} else {
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sub_val += offset;
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}
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} else if ((size_t) abs(offset) <= strlen(sub_val)) {
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sub_val = cloned_sub_val + (strlen(cloned_sub_val) + offset);
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}
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