ref: ba4b0723d9e6d6ec72ca54016a932e72fbae46f7
dir: /libnpe/getenv.c/
#include <unistd.h> #undef getenv static char * home(char *subpath) { char *s, *e; if((s = getenv("home")) != nil){ e = cleanname(smprint("%s/%s", s, subpath)); free(s); }else e = strdup("/tmp"); return e; } char * npe_getenv(char *s) { static char *e; free(e); e = nil; if((e = getenv(s)) != nil) return e; if(strcmp(s, "XDG_RUNTIME_DIR") == 0 || strcmp(s, "XDG_CACHE_HOME") == 0) return "/tmp"; if(strcmp(s, "XDG_CONFIG_HOME") == 0 || strcmp(s, "XDG_DATA_HOME") == 0) return home("lib"); if(strcmp(s, "HOME") == 0) s = "home"; else if(strcmp(s, "USER") == 0) s = "user"; e = getenv(s); return e; }