/*
* Mini ln implementation for busybox
*
- *
- * Copyright (C) 1999 by Lineo, inc.
+ * Copyright (C) 1999,2000 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
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
-#include <sys/param.h> /* for PATH_MAX */
static const char ln_usage[] =
- "ln [OPTION] TARGET... LINK_NAME|DIRECTORY\n\n"
- "Create a link named LINK_NAME or DIRECTORY to the specified TARGET\n\n"
+ "ln [OPTION] TARGET... LINK_NAME|DIRECTORY\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+ "\nCreate a link named LINK_NAME or DIRECTORY to the specified TARGET\n\n"
"Options:\n"
"\t-s\tmake symbolic links instead of hard links\n"
"\t-f\tremove existing destination files\n"
- "\t-n\tno dereference symlinks - treat like normal file\n";
+ "\t-n\tno dereference symlinks - treat like normal file\n"
+#endif
+ ;
static int symlinkFlag = FALSE;
static int removeoldFlag = FALSE;
{
char *linkName;
int linkIntoDirFlag;
+ int stopIt = FALSE;
- if (argc < 3) {
- usage(ln_usage);
- }
argc--;
argv++;
/* Parse any options */
- while (**argv == '-') {
- while (*++(*argv))
- switch (**argv) {
- case 's':
- symlinkFlag = TRUE;
- break;
- case 'f':
- removeoldFlag = TRUE;
- break;
- case 'n':
- followLinks = FALSE;
- break;
- default:
- usage(ln_usage);
- }
- argc--;
- argv++;
+ while (argc > 0 && stopIt == FALSE) {
+ if (**argv == '-') {
+ while (*++(*argv))
+ switch (**argv) {
+ case 's':
+ symlinkFlag = TRUE;
+ break;
+ case 'f':
+ removeoldFlag = TRUE;
+ break;
+ case 'n':
+ followLinks = FALSE;
+ break;
+ case '-':
+ stopIt = TRUE;
+ break;
+ default:
+ usage(ln_usage);
+ }
+ argc--;
+ argv++;
+ }
+ else
+ break;
+ }
+
+ if (argc < 2) {
+ usage(ln_usage);
}
linkName = argv[argc - 1];
- if (strlen(linkName) > PATH_MAX) {
+ if (strlen(linkName) > BUFSIZ) {
fprintf(stderr, name_too_long, "ln");
exit FALSE;
}
- linkIntoDirFlag = isDirectory(linkName, TRUE);
+ linkIntoDirFlag = isDirectory(linkName, TRUE, NULL);
- if ((argc > 3) && !linkIntoDirFlag) {
+ if ((argc >= 3) && linkIntoDirFlag == FALSE) {
fprintf(stderr, not_a_directory, "ln", linkName);
exit FALSE;
}
while (argc-- >= 2) {
- char srcName[PATH_MAX + 1];
+ char srcName[BUFSIZ + 1];
int nChars, status;
- if (strlen(*argv) > PATH_MAX) {
+ if (strlen(*argv) > BUFSIZ) {
fprintf(stderr, name_too_long, "ln");
exit FALSE;
}
if (followLinks == FALSE) {
strcpy(srcName, *argv);
} else {
- /* Warning! This can silently truncate if > PATH_MAX, but
- I don't think that there can be one > PATH_MAX anyway. */
- nChars = readlink(*argv, srcName, PATH_MAX);
+ /* Warning! This can silently truncate if > BUFSIZ, but
+ I don't think that there can be one > BUFSIZ anyway. */
+ nChars = readlink(*argv, srcName, BUFSIZ);
srcName[nChars] = '\0';
}
exit FALSE;
}
}
- exit TRUE;
+ return( TRUE);
}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/