1 /* This test program is part of GDB, the GNU debugger. 2 3 Copyright 2016-2023 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #include <unistd.h> 19 #include <stdlib.h> 20 #include <limits.h> 21 #include <string.h> 22 #include <stdio.h> 23 #include <assert.h> 24 25 static void 26 set_path (int argc, char ** argv) 27 { 28 if (argc < 1) 29 return; 30 31 char path[PATH_MAX]; 32 strcpy (path, argv[0]); 33 int len = strlen (path); 34 35 /* Make a path name out of an exec name. */ 36 int i; 37 for (i = len - 1; i >= 0; i--) 38 { 39 char c = path[i]; 40 if (c == '/' || c == '\\') 41 { 42 path[i] = '\0'; 43 break; 44 } 45 } 46 len = i; 47 48 if (len == 0) 49 return; 50 51 /* Prefix with "PATH=". */ 52 const char *prefix = "PATH="; 53 int prefix_len = strlen (prefix); 54 memmove (path + prefix_len, path, len); 55 path[prefix_len + len] = '\0'; 56 memcpy (path, prefix, prefix_len); 57 58 printf ("PATH SETTING: '%s'\n", path); 59 putenv (path); 60 } 61 62 int 63 main (int argc, char ** argv) 64 { 65 set_path (argc, argv); 66 const char *prog = "infcall-exec2"; 67 68 int res = execlp (prog, prog, (char *) 0); /* break here */ 69 assert (res != -1); 70 71 return 0; 72 } 73