1 /* ----------------------------------------------------------------------- * 2 * 3 * Copyright 2010 Gene Cumm - All Rights Reserved 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, Inc., 53 Temple Place Ste 330, 8 * Boston MA 02111-1307, USA; either version 2 of the License, or 9 * (at your option) any later version; incorporated herein by reference. 10 * 11 * ----------------------------------------------------------------------- */ 12 13 /* 14 * Display present (current) working directory 15 */ 16 17 #include <errno.h> 18 #include <stdio.h> 19 #include <console.h> 20 #include <unistd.h> 21 #include <dirent.h> 22 23 /* Size of path buffer string */ 24 #ifndef PATH_MAX 25 # ifdef NAME_MAX 26 # define PATH_MAX NAME_MAX 27 # elif FILENAME_MAX 28 # define PATH_MAX FILENAME_MAX 29 # else 30 # define PATH_MAX 256 31 # endif /* NAME_MAX */ 32 #endif /* PATH_MAX */ 33 34 int main(void) 35 { 36 int rv = 0; 37 char pwd[PATH_MAX], *pwdptr; 38 39 pwdptr = getcwd(pwd, PATH_MAX); 40 if (pwdptr) { 41 if (pwd[0] != 0) 42 puts(pwd); 43 else 44 puts("."); 45 } else { 46 rv = errno; 47 puts("ERROR: getcwd() returned NULL"); 48 } 49 return rv; 50 } 51
