#include #include char output[4096]; void add(char*, ...); void error(char*); void notifyf(void*, char*); void main(int argc, char *argv[]) { int i; Waitmsg *w; long l; char *p; char err[ERRMAX]; if(argc <= 1){ fprint(2, "usage: time command\n"); exits("usage"); } switch(fork()){ case -1: error("fork"); case 0: exec(argv[1], &argv[1]); if(argv[1][0] != '/' && strncmp(argv[1], "./", 2) && strncmp(argv[1], "../", 3)){ sprint(output, "/bin/%s", argv[1]); exec(output, &argv[1]); } error(argv[1]); } notify(notifyf); loop: w = wait(); if(w == nil){ errstr(err, sizeof err); if(strcmp(err, "interrupted") == 0) goto loop; error("wait"); } l = w->time[0]; add("%ld.%.2ldu", l/1000, (l%1000)/10); l = w->time[1]; add("%ld.%.2lds", l/1000, (l%1000)/10); l = w->time[2]; add("%ld.%.2ldr", l/1000, (l%1000)/10); add("\t"); for(i=1; i4){ add("..."); break; } } if(w->msg[0]){ p = utfrune(w->msg, ':'); if(p && p[1]) p++; else p = w->msg; add(" # status=%s", p); } fprint(2, "%s\n", output); exits(w->msg); } void add(char *a, ...) { static beenhere=0; va_list arg; if(beenhere) strcat(output, " "); va_start(arg, a); vseprint(output+strlen(output), output+sizeof(output), a, arg); va_end(arg); beenhere++; } void error(char *s) { fprint(2, "time: %s: %r\n", s); exits(s); } void notifyf(void *a, char *s) { USED(a); if(strcmp(s, "interrupt") == 0) noted(NCONT); noted(NDFLT); }