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* [newlib-cygwin] Cygwin: path: Make some symlinks to /cygdrive/* work.
@ 2022-08-03 4:41 Takashi Yano
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From: Takashi Yano @ 2022-08-03 4:41 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=8b502d863500149f4e86497714f0462e788f2f1e
commit 8b502d863500149f4e86497714f0462e788f2f1e
Author: Takashi Yano <takashi.yano@nifty.ne.jp>
Date: Mon Aug 1 09:02:23 2022 +0900
Cygwin: path: Make some symlinks to /cygdrive/* work.
- Previously, some symbolic links to /cygdrive/* (e.g. /cygdrive/C,
/cygdrive/./c, /cygdrive//c, etc.) did not work. This patch fixes
the issue.
Addresses: https://cygwin.com/pipermail/cygwin/2022-July/251994.html
Diff:
---
winsup/cygwin/path.cc | 6 +++++-
winsup/cygwin/release/3.3.6 | 4 ++++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc
index ea695ed99..b159b56d0 100644
--- a/winsup/cygwin/path.cc
+++ b/winsup/cygwin/path.cc
@@ -1929,7 +1929,11 @@ symlink_wsl (const char *oldpath, path_conv &win32_newpath)
cygdrive prefix is not "/", otherwise suffer random "/mnt" symlinks... */
if (mount_table->cygdrive_len > 1
&& path_prefix_p (mount_table->cygdrive, oldpath,
- mount_table->cygdrive_len, false))
+ mount_table->cygdrive_len, false)
+ && (strlen (oldpath + mount_table->cygdrive_len - 1) < 2
+ || (islower (oldpath[mount_table->cygdrive_len])
+ && (oldpath[mount_table->cygdrive_len + 1] == '/'
+ || oldpath[mount_table->cygdrive_len + 1] == '\0'))))
stpcpy (stpcpy (path_buf, "/mnt"),
oldpath + mount_table->cygdrive_len - 1);
else
diff --git a/winsup/cygwin/release/3.3.6 b/winsup/cygwin/release/3.3.6
index 5fb59bf7d..078e6e520 100644
--- a/winsup/cygwin/release/3.3.6
+++ b/winsup/cygwin/release/3.3.6
@@ -31,3 +31,7 @@ Bug Fixes
native apps if *.bat or *.cmd is executed directly from cygwin
shell.
Addresses: https://cygwin.com/pipermail/cygwin/2022-July/251993.html
+
+- Fix a problem that prevented some symbolic links to /cygdrive/C,
+ /cygdrive/./c, /cygdrive//c, etc. from working.
+ Addresses: https://cygwin.com/pipermail/cygwin/2022-July/251994.html
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2022-08-03 4:41 [newlib-cygwin] Cygwin: path: Make some symlinks to /cygdrive/* work Takashi Yano
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