convert() is used by dos2unix and unix2dos

[oweals/busybox.git] / chmod_chown_chgrp.c

diff --git a/chmod_chown_chgrp.c b/chmod_chown_chgrp.c
index 1ec7eec6cda20fdc7ace6909fcd6dc72ba9eb705..9714e1ca57ed84a017dfe1294dc23e137f4c93bf 100644 (file)
--- a/chmod_chown_chgrp.c
+++ b/chmod_chown_chgrp.c
@@ -3,7 +3,7 @@
  * Mini chown/chmod/chgrp implementation for busybox
  *
  *
- * Copyright (C) 1999,2000 by Lineo, inc.
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
  * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -22,15 +22,16 @@
  *
  */
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 #include "busybox.h"
 #define BB_DECLARE_EXTERN
 #define bb_need_invalid_option
 #define bb_need_too_few_args
 #include "messages.c"
 
-#include <stdio.h>
-#include <grp.h>
-#include <pwd.h>
 
 
 static long uid = -1;
@@ -48,6 +49,7 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
        switch (whichApp) {
        case CHGRP_APP:
        case CHOWN_APP:
+       /* Don't use lchown for libc5 or glibc older then 2.1.x */
 #if (__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1)
                if (lchown
                        (fileName, (whichApp == CHOWN_APP) ? uid : statbuf->st_uid,
@@ -64,7 +66,7 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
        case CHMOD_APP:
                /* Parse the specified modes */
                if (parse_mode(theMode, &(statbuf->st_mode)) == FALSE) {
-                       fatalError( "unknown mode: %s\n", theMode);
+                       error_msg_and_die( "unknown mode: %s", theMode);
                }
                if (chmod(fileName, statbuf->st_mode) == 0)
                        return (TRUE);
@@ -80,17 +82,13 @@ int chmod_chown_chgrp_main(int argc, char **argv)
        int recursiveFlag = FALSE;
        char *groupName=NULL;
        char *p=NULL;
-       const char *appUsage;
 
-       whichApp = (strcmp(applet_name, "chown") == 0)? 
-                       CHOWN_APP : (strcmp(applet_name, "chmod") == 0)? 
-                               CHMOD_APP : CHGRP_APP;
-
-       appUsage = (whichApp == CHOWN_APP)? 
-                       chown_usage : (whichApp == CHMOD_APP) ? chmod_usage : chgrp_usage;
+       whichApp = (applet_name[2]=='o')?           /* chown */
+               CHOWN_APP : (applet_name[2]=='m')?      /* chmod */
+               CHMOD_APP : CHGRP_APP;
 
        if (argc < 2)
-               usage(appUsage);
+               show_usage();
        argv++;
 
        /* Parse options */
@@ -111,7 +109,7 @@ int chmod_chown_chgrp_main(int argc, char **argv)
        }
 
        if (argc == 0 || *argv == NULL) {
-               errorMsg(too_few_args);
+               error_msg(too_few_args);
        }
 
        if (whichApp == CHMOD_APP) {
@@ -125,8 +123,6 @@ int chmod_chown_chgrp_main(int argc, char **argv)
                        gid = strtoul(groupName, &p, 10);       /* maybe it's already numeric */
                        if (groupName == p)
                                gid = my_getgrnam(groupName);
-                       if (gid == -1)
-                               goto bad_group;
                } else {
                        groupName = strchr(*argv, '.');
                        if (groupName == NULL)
@@ -136,8 +132,6 @@ int chmod_chown_chgrp_main(int argc, char **argv)
                                gid = strtoul(groupName, &p, 10);
                                if (groupName == p)
                                        gid = my_getgrnam(groupName);
-                               if (gid == -1)
-                                       goto bad_group;
                        } else
                                gid = -1;
                }
@@ -148,25 +142,20 @@ int chmod_chown_chgrp_main(int argc, char **argv)
                        uid = strtoul(*argv, &p, 10);   /* if numeric ... */
                        if (*argv == p)
                                uid = my_getpwnam(*argv);
-                       if (uid == -1) {
-                               fatalError( "unknown user name: %s\n", *argv);
-                       }
                }
        }
 
        /* Ok, ready to do the deed now */
        if (argc < 1) {
-               fatalError(too_few_args);
+               error_msg_and_die(too_few_args);
        }
        while (argc-- > 1) {
-               if (recursiveAction (*(++argv), recursiveFlag, FALSE, FALSE, 
+               if (recursive_action (*(++argv), recursiveFlag, FALSE, FALSE, 
                                        fileAction, fileAction, NULL) == FALSE)
-                       exit(FALSE);
+                       return EXIT_FAILURE;
        }
-       exit(TRUE);
+       return EXIT_SUCCESS;
 
-  bad_group:
-       fatalError( "unknown group name: %s\n", groupName);
 }
 
 /*