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authorErik Andersen2000-02-08 19:58:47 +0000
committerErik Andersen2000-02-08 19:58:47 +0000
commite49d5ecbbe51718fa925b6890a735e5937cc2aa2 (patch)
treec90bda10731ad9333ce3b404f993354c9fc104b8 /ln.c
parentc0bf817bbc5c7867fbe8fb76d5c39f8ee802692f (diff)
downloadbusybox-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.zip
busybox-e49d5ecbbe51718fa925b6890a735e5937cc2aa2.tar.gz
Some formatting updates (ran the code through indent)
-Erik
Diffstat (limited to 'ln.c')
-rw-r--r--ln.c150
1 files changed, 76 insertions, 74 deletions
diff --git a/ln.c b/ln.c
index f20b340..bc51cb0 100644
--- a/ln.c
+++ b/ln.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
/*
* Mini ln implementation for busybox
*
@@ -30,15 +31,16 @@
#include <stdio.h>
#include <dirent.h>
#include <errno.h>
-#include <sys/param.h> /* for PATH_MAX */
+#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"
- "\t-n\tno dereference symlinks - treat like normal file\n";
+ "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;
@@ -46,83 +48,83 @@ static int followLinks = TRUE;
extern int ln_main(int argc, char **argv)
{
- char *linkName;
- int linkIntoDirFlag;
-
- 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);
- }
+ char *linkName;
+ int linkIntoDirFlag;
+
+ if (argc < 3) {
+ usage(ln_usage);
+ }
argc--;
argv++;
- }
-
- linkName = argv[argc - 1];
-
- 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;
- }
+ /* 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-- >= 2) {
- char srcName[PATH_MAX + 1];
- int nChars, status;
+ linkName = argv[argc - 1];
- if (strlen(*argv) > PATH_MAX) {
- fprintf(stderr, name_too_long, "ln");
- exit FALSE;
+ if (strlen(linkName) > 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';
- }
+ linkIntoDirFlag = isDirectory(linkName, TRUE);
- if (removeoldFlag == TRUE) {
- status = ( unlink(linkName) && errno != ENOENT );
- if (status != 0) {
- perror(linkName);
+ if ((argc > 3) && !linkIntoDirFlag) {
+ fprintf(stderr, not_a_directory, "ln", linkName);
exit FALSE;
- }
}
- if (symlinkFlag == TRUE)
- status = symlink(*argv, linkName);
- else
- status = link(*argv, linkName);
- if (status != 0) {
- perror(linkName);
- exit FALSE;
+ while (argc-- >= 2) {
+ 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) {
+ perror(linkName);
+ exit FALSE;
+ }
+ }
+
+ if (symlinkFlag == TRUE)
+ status = symlink(*argv, linkName);
+ else
+ status = link(*argv, linkName);
+ if (status != 0) {
+ perror(linkName);
+ exit FALSE;
+ }
}
- }
- exit TRUE;
+ exit TRUE;
}