/*
** Tries to figure out a timeline query length limit base on
** environment parameters. If it can it returns that value,
** else it returns some statically defined default value.
**
** Never returns a negative value. 0 means no limit.
*/
static int json_timeline_limit(int defaultLimit){
int limit = -1;
if(!g.isHTTP){/* CLI mode */
char const * arg = find_option("limit","n",1);
if(arg && *arg){
limit = atoi(arg);
}
}
if( (limit<0) && fossil_has_json() ){
limit = json_getenv_int("limit",-1);
}
return (limit<0) ? defaultLimit : limit;
}
/*
** Convert the name in CGI parameter zParamName into a rid and return that
** rid. If the CGI parameter is missing or is not a valid artifact tag,
** return 0. If the CGI parameter is ambiguous, redirect to a page that
** shows all possibilities and do not return.
*/
int name_to_rid_www(const char *zParamName){
int rid;
const char *zName = P(zParamName);
#ifdef FOSSIL_ENABLE_JSON
if(!zName && fossil_has_json()){
zName = json_find_option_cstr(zParamName,NULL,NULL);
}
#endif
if( zName==0 || zName[0]==0 ) return 0;
rid = symbolic_name_to_rid(zName, "*");
if( rid<0 ){
cgi_redirectf("%s/ambiguous/%T?src=%t", g.zTop, zName, g.zPath);
rid = 0;
}
return rid;
}
