diff options
Diffstat (limited to 'system/musl/realpath.patch')
| -rw-r--r-- | system/musl/realpath.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/system/musl/realpath.patch b/system/musl/realpath.patch new file mode 100644 index 000000000..25d685918 --- /dev/null +++ b/system/musl/realpath.patch @@ -0,0 +1,37 @@ +From 99b84a793669c69acc705a61d339441b50bd09a8 Mon Sep 17 00:00:00 2001 +From: Natanael Copa <ncopa@alpinelinux.org> +Date: Wed, 13 Jan 2021 14:28:35 +0100 +Subject: [PATCH] realpath: replace leading // with a single / + +On some systems a leading double slash may have special meaning, so +POSIX[1] says that "If a pathname begins with two successive <slash> +characters, the first component following the leading <slash> characters +may be interpreted in an implementation-defined manner" + +While current musl implementation is technically correct, most other +systems' (at least GNU libc, freebsd, openbsd, netbsd macOS) +implementations will replace a leading // with a single /. Make musl +do the same to avoid surprises. + +[1]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html#tag_04_13 +--- + src/misc/realpath.c | 3 --- + 1 file changed, 3 deletions(-) + +diff --git a/src/misc/realpath.c b/src/misc/realpath.c +index db8b74dc..414b4741 100644 +--- a/src/misc/realpath.c ++++ b/src/misc/realpath.c +@@ -46,9 +46,6 @@ restart: + q=0; + output[q++] = '/'; + p++; +- /* Initial // is special. */ +- if (stack[p] == '/' && stack[p+1] != '/') +- output[q++] = '/'; + continue; + } + +-- +2.29.2 + |