gno/lib/libc/tests/sys/exectest.c

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/*
* Test for exec* routines written by Devin Reade
*
* $Id: exectest.c,v 1.1 1997/02/28 05:12:57 gdr Exp $
*
* This file is formatted for tab stops every 8 characters.
*/
#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#pragma debug 0
char *argarray[4];
char *envarray[2]; /* for execve test */
char *envstring="bork=thingamadoo";
char *filestr1="now2";
int
main (int argc, char **argv) {
int i;
if (argc!=5) {
printf("usage: exectest case prog opt1 opt2\n");
printf("\tcase is one of:\n");
printf("\t\t0 - execl\n");
printf("\t\t1 - execlp\n");
printf("\t\t2 - execve\n");
printf("\t\t3 - execv\n");
printf("\t\t4 - execvp\n");
exit (-1);
}
i = atoi(argv[1]);
switch (i) {
case 0:
execl(argv[2], argv[2], argv[3], argv[4], (char *) NULL);
perror("execl() failed");
break;
case 1:
execlp(argv[2], argv[2], argv[3], argv[4], (char *) NULL);
perror("execlp() failed");
break;
case 2:
envarray[0]=envstring;
envarray[1]=NULL;
argarray[0]=argv[2];
argarray[1]=argv[3];
argarray[2]=argv[4];
argarray[3]=NULL;
execve(argarray[0], argarray, envarray);
perror("execve failed");
break;
case 3:
argarray[0]=argv[2];
argarray[1]=argv[3];
argarray[2]=argv[4];
argarray[3]=NULL;
execv(argarray[0], argarray);
perror("execv failed");
break;
case 4:
argarray[0]=argv[2];
argarray[1]=argv[3];
argarray[2]=argv[4];
argarray[3]=NULL;
execvp(argarray[0], argarray);
perror("execvp failed");
break;
default:
printf("bad case value: %d\n", i);
}
return -1;
}