nixpkgs/pkgs/development/libraries/glibc/nix-locale-archive.patch

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diff -Naur glibc-2.27-orig/locale/loadarchive.c glibc-2.27/locale/loadarchive.c
--- glibc-2.27-orig/locale/loadarchive.c 2018-02-01 11:17:18.000000000 -0500
+++ glibc-2.27/locale/loadarchive.c 2018-02-17 22:32:25.680169462 -0500
@@ -123,6 +123,23 @@
return MAX (namehash_end, MAX (string_end, locrectab_end));
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}
+static int
+open_locale_archive (void)
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+{
+ int fd = -1;
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+ char *versioned_path = getenv ("LOCALE_ARCHIVE_2_27");
+ char *path = getenv ("LOCALE_ARCHIVE");
+ if (versioned_path)
+ fd = __open_nocancel (versioned_path, O_RDONLY|O_LARGEFILE|O_CLOEXEC);
+ if (path && fd < 0)
+ fd = __open_nocancel (path, O_RDONLY|O_LARGEFILE|O_CLOEXEC);
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+ if (fd < 0)
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+ fd = __open_nocancel (archfname, O_RDONLY|O_LARGEFILE|O_CLOEXEC);
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+ if (fd < 0)
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+ fd = __open_nocancel ("/usr/lib/locale/locale-archive", O_RDONLY|O_LARGEFILE|O_CLOEXEC);
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+ return fd;
+}
+
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/* Find the locale *NAMEP in the locale archive, and return the
internalized data structure for its CATEGORY data. If this locale has
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@@ -202,7 +219,7 @@
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archmapped = &headmap;
/* The archive has never been opened. */
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- fd = __open_nocancel (archfname, O_RDONLY|O_LARGEFILE|O_CLOEXEC);
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+ fd = open_locale_archive ();
if (fd < 0)
/* Cannot open the archive, for whatever reason. */
return NULL;
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@@ -397,8 +414,7 @@
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if (fd == -1)
{
struct stat64 st;
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- fd = __open_nocancel (archfname,
- O_RDONLY|O_LARGEFILE|O_CLOEXEC);
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+ fd = open_locale_archive ();
if (fd == -1)
/* Cannot open the archive, for whatever reason. */
return NULL;
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diff -Naur glibc-2.27-orig/locale/programs/locale.c glibc-2.27/locale/programs/locale.c
--- glibc-2.27-orig/locale/programs/locale.c 2018-02-01 11:17:18.000000000 -0500
+++ glibc-2.27/locale/programs/locale.c 2018-02-17 22:36:39.726293213 -0500
@@ -633,6 +633,24 @@
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static int
+open_locale_archive (void)
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+{
+ int fd = -1;
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+ char *versioned_path = getenv ("LOCALE_ARCHIVE_2_27");
+ char *path = getenv ("LOCALE_ARCHIVE");
+ if (versioned_path)
+ fd = open64 (versioned_path, O_RDONLY);
+ if (path && fd < 0)
+ fd = open64 (path, O_RDONLY);
+ if (fd < 0)
+ fd = open64 (ARCHIVE_NAME, O_RDONLY);
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+ if (fd < 0)
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+ fd = open64 ("/usr/lib/locale/locale-archive", O_RDONLY);
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+ return fd;
+}
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+
+
+static int
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write_archive_locales (void **all_datap, char *linebuf)
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{
struct stat64 st;
@@ -644,7 +662,7 @@
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int fd, ret = 0;
uint32_t cnt;
- fd = open64 (ARCHIVE_NAME, O_RDONLY);
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+ fd = open_locale_archive ();
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if (fd < 0)
return 0;
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diff -Naur glibc-2.27-orig/locale/programs/locarchive.c glibc-2.27/locale/programs/locarchive.c
--- glibc-2.27-orig/locale/programs/locarchive.c 2018-02-01 11:17:18.000000000 -0500
+++ glibc-2.27/locale/programs/locarchive.c 2018-02-17 22:40:51.245293975 -0500
@@ -117,6 +117,22 @@
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}
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+static int
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+open_locale_archive (const char * archivefname, int flags)
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+{
+ int fd = -1;
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+ char *versioned_path = getenv ("LOCALE_ARCHIVE_2_27");
+ char *path = getenv ("LOCALE_ARCHIVE");
+ if (versioned_path)
+ fd = open64 (versioned_path, flags);
+ if (path && fd < 0)
+ fd = open64 (path, flags);
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+ if (fd < 0)
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+ fd = open64 (archivefname, flags);
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+ return fd;
+}
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+
+
static void
create_archive (const char *archivefname, struct locarhandle *ah)
{
@@ -578,7 +594,7 @@
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while (1)
{
/* Open the archive. We must have exclusive write access. */
- fd = open64 (archivefname, readonly ? O_RDONLY : O_RDWR);
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+ fd = open_locale_archive (archivefname, readonly ? O_RDONLY : O_RDWR);
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if (fd == -1)
{
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/* Maybe the file does not yet exist? If we are opening