/* This test program is part of GDB, the GNU debugger. Copyright 1997-2020 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <string.h> #include <limits.h> int global_i = 100; int main (int argc, char ** argv) { int local_j = global_i + 1; int local_k = local_j + 1; char prog[PATH_MAX]; int len; printf ("foll-exec is about to execlp(execd-prog)...\n"); strcpy (prog, argv[0]); len = strlen (prog); /* Replace "foll-exec" with "execd-prog". */ memcpy (prog + len - 9, "execd-prog", 10); prog[len + 1] = 0; execlp (prog, /* tbreak-execlp */ prog, "execlp arg1 from foll-exec", (char *) 0); printf ("foll-exec is about to execl(execd-prog)...\n"); execl (prog, /* tbreak-execl */ prog, "execl arg1 from foll-exec", "execl arg2 from foll-exec", (char *) 0); { static char * argv[] = { (char *) "", (char *) "execv arg1 from foll-exec", (char *) 0}; argv[0] = prog; printf ("foll-exec is about to execv(execd-prog)...\n"); execv (prog, argv); /* tbreak-execv */ } } |