I have made the necessary change, you can review my patch here: https://git.sr.ht/~strahinja/sbase/tree/master/item/patches/0001-Split-path-into-prefix-name-on-c.patch
I also attached it to this message.
From d91f1b0315ca3a0d584f8ac7c2e8ef16cc7493c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A1=D1=82=D1=80=D0=B0=D1=85=D0=B8=D1=9A=D0=B0=20=D0=A0?=
=?UTF-8?q?=D0=B0=D0=B4=D0=B8=D1=9B?= <cont...@strahinja.org>
Date: Mon, 1 Aug 2022 09:12:03 +0200
Subject: [PATCH] Split path into prefix + name on -c
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Страхиња Радић <cont...@strahinja.org>
---
tar.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/tar.c b/tar.c
index d3a9f3b..4c35102 100644
--- a/tar.c
+++ b/tar.c
@@ -180,6 +180,7 @@ static int
archive(const char *path)
{
char b[BLKSIZ];
+ char *split;
struct group *gr;
struct header *h;
struct passwd *pw;
@@ -187,6 +188,7 @@ archive(const char *path)
size_t chksum, i;
ssize_t l, r;
int fd = -1;
+ int slen, plen;
if (lstat(path, &st) < 0) {
weprintf("lstat %s:", path);
@@ -201,7 +203,19 @@ archive(const char *path)
h = (struct header *)b;
memset(b, 0, sizeof(b));
- estrlcpy(h->name, path, sizeof(h->name));
+ if ((split = strrchr(path, '/')) > path)
+ {
+ plen = strlen(path);
+ slen = (int)(split - path);
+ if (snprintf(h->prefix, sizeof(h->prefix), "%.*s",
+ slen, path) >= sizeof(h->prefix))
+ eprintf("snprintf: input string too long\n");
+ if (snprintf(h->name, sizeof(h->name), "%.*s",
+ (int)(plen-slen-1), path+slen+1) >= sizeof(h->name))
+ eprintf("snprintf: input string too long\n");
+ }
+ else
+ estrlcpy(h->name, path, sizeof(h->name));
putoctal(h->mode, (unsigned)st.st_mode & 0777, sizeof(h->mode));
putoctal(h->uid, (unsigned)st.st_uid, sizeof(h->uid));
putoctal(h->gid, (unsigned)st.st_gid, sizeof(h->gid));
--
2.37.1
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