diff options
Diffstat (limited to 'package/eudev/0003-build-sys-check-for-strndupa.patch')
-rw-r--r-- | package/eudev/0003-build-sys-check-for-strndupa.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/package/eudev/0003-build-sys-check-for-strndupa.patch b/package/eudev/0003-build-sys-check-for-strndupa.patch new file mode 100644 index 0000000000..9cbd5850ae --- /dev/null +++ b/package/eudev/0003-build-sys-check-for-strndupa.patch @@ -0,0 +1,69 @@ +From 0b04a8347981ceb1030768c3002ac3c2bc0a0bf1 Mon Sep 17 00:00:00 2001 +From: Romain Naour <romain.naour@openwide.fr> +Date: Thu, 30 Jul 2015 17:31:31 +0200 +Subject: [PATCH] build-sys: check for strndupa + +strndupa is a GNU extension, therefore it's not available +for all libc libraries (musl). + +This patch is based on the one proposed by Emil Renner Berthing for +systemd [1]. + +[1] http://lists.freedesktop.org/archives/systemd-devel/2014-September/023190.html + +Signed-off-by: Romain Naour <romain.naour@openwide.fr> +--- + configure.ac | 3 ++- + src/shared/missing.h | 11 +++++++++++ + src/shared/selinux-util.c | 1 + + 3 files changed, 14 insertions(+), 1 deletion(-) + +diff --git a/configure.ac b/configure.ac +index 4a293b2..9c383c2 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -66,8 +66,9 @@ AC_C_INLINE + AC_TYPE_MODE_T + AC_TYPE_PID_T + AC_CHECK_MEMBERS([struct stat.st_rdev]) +-AC_CHECK_DECLS([getrandom, gettid, name_to_handle_at, accept4, mkostemp], [], [], [[#include <sys/types.h> ++AC_CHECK_DECLS([getrandom, gettid, name_to_handle_at, accept4, mkostemp, strndupa], [], [], [[#include <sys/types.h> + #include <unistd.h> ++#include <string.h> + #include <sys/mount.h> + #include <fcntl.h> + #include <sys/socket.h> +diff --git a/src/shared/missing.h b/src/shared/missing.h +index 2dc9d84..9031119 100644 +--- a/src/shared/missing.h ++++ b/src/shared/missing.h +@@ -158,3 +158,14 @@ static inline int name_to_handle_at(int fd, const char *name, struct file_handle + #ifndef AT_EMPTY_PATH + #define AT_EMPTY_PATH 0x1000 + #endif ++ ++#if !HAVE_DECL_STRNDUPA ++#define strndupa(s, n) \ ++ ({ \ ++ const char *__old = (s); \ ++ size_t __len = strnlen(__old, (n)); \ ++ char *__new = (char *)alloca(__len + 1); \ ++ __new[__len] = '\0'; \ ++ (char *)memcpy(__new, __old, __len); \ ++ }) ++#endif +diff --git a/src/shared/selinux-util.c b/src/shared/selinux-util.c +index 4e0866b..a18a5a7 100644 +--- a/src/shared/selinux-util.c ++++ b/src/shared/selinux-util.c +@@ -31,6 +31,7 @@ + #include "strv.h" + #include "path-util.h" + #include "selinux-util.h" ++#include "missing.h" + + #ifdef HAVE_SELINUX + DEFINE_TRIVIAL_CLEANUP_FUNC(security_context_t, freecon); +-- +2.4.3 + |