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Use ast_str_strlen() instead of recalculating the string length.
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@164054 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@@ -483,7 +483,7 @@ static u_char *ast_var_channels_table(struct variable *vp, oid *name, size_t *le
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break;
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case ASTCHANVARIABLES:
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if (pbx_builtin_serialize_variables(chan, &out)) {
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*var_len = strlen(ast_str_buffer(out));
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*var_len = ast_str_strlen(out);
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ret = (u_char *)ast_str_buffer(out);
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}
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break;
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