diff options
Diffstat (limited to 'ls.c')
| -rw-r--r-- | ls.c | 141 |
1 files changed, 138 insertions, 3 deletions
@@ -1,3 +1,136 @@ +/* + * Mini ls implementation for busybox + * + * Copyright (C) 1998 by Erik Andersen <andersee@debian.org> + * + * 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 2 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#if fooBar + +#include <stdio.h> +#include <unistd.h> +#include <dirent.h> +#include "internal.h" + + +static const char ls_usage[] = "ls [OPTION]... [FILE]...\n" +"List information about the FILEs (the current directory by default).\n"; + +int oneFlag=FALSE; +int allFlag=FALSE; +int directoryFlag=FALSE; +int longFlag=FALSE; +int typeFlag=FALSE; +int dereferenceFlag=FALSE; +int recursiveFlag=FALSE; + +static int fileAction(const char *fileName) +{ + if ( allFlag==FALSE && ((strcmp(fileName, "..") == 0) + || (strcmp(fileName, ".") == 0)) ) { + return( TRUE); + } + //struct stat statBuf; + //if (stat(fileName, &statBuf) > 0) { + fprintf(stdout, "%s\n", fileName); + return( TRUE); + //} + //else { +// perror(fileName); +// return( FALSE); +// } +} + +static int dirAction(const char *fileName) +{ + DIR *dir; + struct dirent *entry; + + fprintf(stdout, "%s\n", fileName); + + dir = opendir( fileName); + if (!dir) { + perror("Can't open directory"); + exit(FALSE); + } + while ((entry = readdir(dir)) != NULL) { + recursiveAction( entry->d_name, recursiveFlag, dereferenceFlag, fileAction, dirAction); + } + return( TRUE); +} + +int ls_main(int argc, char **argv) +{ + if (argc <= 1) { + char buf[NAME_MAX]; + getcwd( buf, NAME_MAX); + dirAction( buf); + } + + /* peel of the "ls" */ + argc--; + argv++; + + /* Parse any options */ + while (**argv == '-') { + while (*++(*argv)) switch (**argv) { + case '1': + oneFlag = TRUE; + break; + case 'a': + allFlag = TRUE; + break; + case 'd': + directoryFlag = TRUE; + break; + case 'l': + longFlag = TRUE; + break; + case 'F': + typeFlag = TRUE; + break; + case 'L': + dereferenceFlag = TRUE; + break; + case 'R': + recursiveFlag = TRUE; + break; + default: + fprintf(stderr, "Usage: %s\n", ls_usage); + exit( FALSE); + } + argc--; + argv++; + } + + /* Ok, ready to do the deed now */ + fprintf(stderr, "B\n"); + while (argc-- > 1) { + fprintf(stderr, "C\n"); + recursiveAction( *argv, recursiveFlag, dereferenceFlag, fileAction, dirAction); + } + exit(TRUE); +} + + + +#else + + #include "internal.h" /* * tiny-ls.c version 0.1.0: A minimalist 'ls' @@ -436,7 +569,7 @@ direrr: closedir(dir); listerr: newline(); - name_and_error(name); + perror(name); return 1; } @@ -465,7 +598,7 @@ const char ls_usage[] = "Usage: ls [-1a" "] [filenames...]\n"; extern int -ls_main(struct FileInfo * not_used, int argc, char * * argv) +ls_main(int argc, char * * argv) { int argi=1, i; @@ -537,6 +670,8 @@ ls_main(struct FileInfo * not_used, int argc, char * * argv) return i; print_usage_message: - usage(ls_usage); + fprintf(stderr, "Usage: %s\n", ls_usage); return 1; } + +#endif |