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A few minor updates. ;-)

Browse Source 
Seriously though, read the Changelog for busybox 0.42,
which this is about to become...
 -Erik
This commit is contained in:
Erik Andersen
2000-02-07 05:29:42 +00:00
parent 50bc101b7d
commit fac10d7c59
76 changed files with 1849 additions and 1023 deletions
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79
ln.c
View File

@ -22,26 +22,32 @@
*/
#include "internal.h"
#define BB_DECLARE_EXTERN
#define bb_need_name_too_long
#define bb_need_not_a_directory
#include "messages.c"
#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"
"Options:\n"
"\t-s\tmake symbolic links instead of hard links\n"
"\t-f\tremove existing destination files\n";
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"
"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";
static int symlinkFlag = FALSE;
static int removeoldFlag = FALSE;
static int followLinks = TRUE;
extern int ln_main(int argc, char **argv)
{
int status;
static char* linkName;
char *linkName;
int linkIntoDirFlag;
if (argc < 3) {
usage (ln_usage);
@ -59,6 +65,9 @@ extern int ln_main(int argc, char **argv)
case 'f':
removeoldFlag = TRUE;
break;
case 'n':
followLinks = FALSE;
break;
default:
usage (ln_usage);
}
@ -66,30 +75,54 @@ extern int ln_main(int argc, char **argv)
argv++;
}
linkName = argv[argc - 1];
if ((argc > 3) && !(isDirectory(linkName))) {
fprintf(stderr, "%s: not a directory\n", linkName);
exit (FALSE);
if (strlen(linkName) > PATH_MAX) {
fprintf(stderr, name_too_long, "ln");
exit FALSE;
}
linkIntoDirFlag = isDirectory(linkName, TRUE);
if ((argc > 3) && !linkIntoDirFlag) {
fprintf(stderr, not_a_directory, "ln", linkName);
exit FALSE;
}
while (argc-- >= 2) {
if (removeoldFlag==TRUE ) {
char srcName[PATH_MAX + 1];
int nChars, status;
if (strlen(*argv) > PATH_MAX) {
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);
srcName[nChars] = '\0';
}
if (removeoldFlag == TRUE) {
status = ( unlink(linkName) && errno != ENOENT );
if ( status != 0 ) {
if (status != 0) {
perror(linkName);
exit( FALSE);
exit FALSE;
}
}
if ( symlinkFlag==TRUE)
status = symlink(*argv, linkName);
if (symlinkFlag == TRUE)
status = symlink(*argv, linkName);
else
status = link(*argv, linkName);
if ( status != 0 ) {
status = link(*argv, linkName);
if (status != 0) {
perror(linkName);
exit( FALSE);
exit FALSE;
}
}
exit( TRUE);
exit TRUE;
}