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microoptimize extract_version()
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@ -724,7 +724,7 @@ ruts_string(query_state* inits, initstates_e state){
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// extract the terminal version from the running string, following 'prefix'
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static int
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extract_version(query_state* qstate, const char* prefix){
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size_t bytes = strlen(qstate->runstring) - strlen(prefix) + 1;
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size_t bytes = strlen(qstate->runstring + strlen(prefix)) + 1;
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qstate->version = malloc(bytes);
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if(qstate->version == NULL){
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return -1;
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