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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:06:04 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 17:06:04 +0000
commit2f0649f6fe411d7e07c8d56cf8ea56db53536da8 (patch)
tree778611fb52176dce1ad06c68e87b2cb348ca0f7b /usr/utils/ln.c
parentInitial commit. (diff)
downloadklibc-2f0649f6fe411d7e07c8d56cf8ea56db53536da8.tar.xz
klibc-2f0649f6fe411d7e07c8d56cf8ea56db53536da8.zip
Adding upstream version 2.0.13.upstream/2.0.13upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'usr/utils/ln.c')
-rw-r--r--usr/utils/ln.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/usr/utils/ln.c b/usr/utils/ln.c
new file mode 100644
index 0000000..e826eb8
--- /dev/null
+++ b/usr/utils/ln.c
@@ -0,0 +1,77 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include <linux/limits.h>
+
+int main(int argc, char *argv[])
+{
+ int c, s, f;
+ char *p;
+ struct stat sb;
+
+ s = f = 0;
+ do {
+ c = getopt(argc, argv, "sf");
+ if (c == EOF)
+ break;
+
+ switch (c) {
+
+ case 's':
+ s = 1;
+ break;
+ case 'f':
+ f = 1;
+ break;
+ case '?':
+ fprintf(stderr, "%s: invalid option -%c\n",
+ argv[0], optopt);
+ return 1;
+ }
+
+ } while (1);
+
+ if (optind == argc) {
+ fprintf(stderr, "Usage: %s [-s] [-f] target link\n", argv[0]);
+ return 1;
+ }
+
+ memset(&sb, 0, sizeof(struct stat));
+ if (stat(argv[argc - 1], &sb) < 0 && argc - optind > 2) {
+ if (!(S_ISDIR(sb.st_mode))) {
+ fprintf(stderr,
+ "multiple targets and %s is not a directory\n",
+ argv[argc - 1]);
+ return 1;
+ }
+ }
+
+ for (c = optind; c < argc - 1; c++) {
+ char target[PATH_MAX];
+
+ p = strrchr(argv[c], '/');
+ p++;
+
+ if (S_ISDIR(sb.st_mode))
+ snprintf(target, PATH_MAX, "%s/%s", argv[argc - 1], p);
+ else
+ snprintf(target, PATH_MAX, "%s", argv[argc - 1]);
+
+ if (f)
+ unlink(target);
+
+ if (s) {
+ if (symlink(argv[c], target) == -1)
+ perror(target);
+ } else {
+ if (link(argv[c], target) == -1)
+ perror(target);
+ }
+ }
+
+ return 0;
+}