intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 60 insertions, 0 deletions

diff --git a/contrib/libs/libc_compat/update.sh b/contrib/libs/libc_compat/update.sh
new file mode 100755
index 0000000000..4cee160904
--- /dev/null
+++ b/contrib/libs/libc_compat/update.sh
@@ -0,0 +1,60 @@
+#!/bin/sh -e
+
+unweak() {
+    sed --in-place --expression 's/DEF_WEAK(.\+);//g' "$1"
+}
+
+get_string_method() {
+   curl "https://raw.githubusercontent.com/openbsd/src/master/lib/libc/string/$1" --output "$1" && unweak "$1"
+}
+
+fix_tabs() {
+	sed --in-place --expression 's/\t/    /g' "$1"
+}
+
+fix_decls() {
+	sed --in-place --expression 's/__BEGIN_DECLS/#ifdef __cplusplus\nextern "C" {\n#endif/g' "$1"
+	sed --in-place --expression 's/__END_DECLS/#ifdef __cplusplus\n} \/\/ extern "C"\n#endif/g' "$1"
+}
+
+get_string_method "strlcpy.c"
+get_string_method "strlcat.c"
+get_string_method "strsep.c"
+# strcasestr uses strncasecmp, which is platform dependent, so include local string.h
+get_string_method "strcasestr.c" && sed --in-place 's/#include <string.h>/#include "string.h"/g' "strcasestr.c"
+get_string_method "memrchr.c"
+get_string_method "stpcpy.c"
+
+mkdir -p include/windows/sys
+curl "https://raw.githubusercontent.com/openbsd/src/master/sys/sys/queue.h" --output "include/windows/sys/queue.h"
+
+mkdir -p include/readpassphrase
+curl "https://raw.githubusercontent.com/openbsd/src/master/include/readpassphrase.h" --output "include/readpassphrase/readpassphrase.h" && fix_decls "include/readpassphrase/readpassphrase.h"
+curl "https://raw.githubusercontent.com/openbsd/src/master/lib/libc/gen/readpassphrase.c" --output "readpassphrase.c" && unweak "readpassphrase.c" && fix_tabs "readpassphrase.c"
+
+curl "https://raw.githubusercontent.com/freebsd/freebsd/master/include/glob.h" --output "glob.h"
+curl "https://raw.githubusercontent.com/freebsd/freebsd/master/lib/libc/gen/glob.c" --output "glob.c"
+curl "https://raw.githubusercontent.com/openbsd/src/master/lib/libc/stdlib/reallocarray.c" --output "reallocarray.c" && unweak "reallocarray.c"
+> "collate.h"
+> "stdlib.h"
+> "unistd.h"
+
+mkdir -p include/uchar
+curl "https://git.musl-libc.org/cgit/musl/plain/include/uchar.h" --output "include/uchar/uchar.h"
+# TODO: provide c16rtomb, mbrtoc16, c32rtomb, mbrtoc32 implementations for uchar
+# if any code actually needs them
+
+mkdir -p include/random/sys
+curl "https://git.musl-libc.org/cgit/musl/plain/include/sys/random.h" --output "include/random/sys/random.h"
+curl "https://git.musl-libc.org/cgit/musl/plain/src/linux/getrandom.c" --output "getrandom.c"
+curl "https://git.musl-libc.org/cgit/musl/plain/src/linux/memfd_create.c" --output "memfd_create.c"
+
+# WARN: do not use github.com/morristech/android-ifaddrs, it is a long-ago abandoned fork
+curl "https://raw.githubusercontent.com/oliviertilmans/android-ifaddrs/master/ifaddrs.c" --output "ifaddrs.c"
+curl "https://raw.githubusercontent.com/oliviertilmans/android-ifaddrs/master/ifaddrs.h" --output "include/ifaddrs/ifaddrs.h"
+
+# apply patches if necessary
+for patch in patches/*.patch; do
+	echo "Applying patch from $patch"
+	patch -p1 < $patch
+done