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The functions in locarchive.c cannot create files in non-default
locations. Rather than enhancing locarchive.c (and risk regressions
in localedef), this patch adapts build-locale-archive to use the
existing output_prefix configuration variable.
Index: glibc-2.17-c758a686/releng/build-locale-archive.c
===================================================================
--- glibc-2.17-c758a686.orig/releng/build-locale-archive.c
+++ glibc-2.17-c758a686/releng/build-locale-archive.c
@@ -92,23 +92,34 @@ xmalloc (size_t size)
return p;
}
+static char *
+xasprintf (const char *format, ...)
+{
+ va_list ap;
+ va_start (ap, format);
+ char *result;
+ if (vasprintf (&result, format, ap) < 0)
+ error (EXIT_FAILURE, errno, "could not format string");
+ va_end (ap);
+ return result;
+}
+
static void
open_tmpl_archive (struct locarhandle *ah)
{
struct stat64 st;
int fd;
struct locarhead head;
- const char *archivefname = ah->fname == NULL ? tmpl_file : ah->fname;
/* Open the archive. We must have exclusive write access. */
- fd = open64 (archivefname, O_RDONLY);
+ fd = open64 (tmpl_file, O_RDONLY);
if (fd == -1)
error (EXIT_FAILURE, errno, "cannot open locale archive template file \"%s\"",
- archivefname);
+ tmpl_file);
if (fstat64 (fd, &st) < 0)
error (EXIT_FAILURE, errno, "cannot stat locale archive template file \"%s\"",
- archivefname);
+ tmpl_file);
/* Read the header. */
if (TEMP_FAILURE_RETRY (read (fd, &head, sizeof (head))) != sizeof (head))
@@ -253,12 +264,11 @@ compute_data (struct locarhandle *ah, st
static int
fill_archive (struct locarhandle *tmpl_ah,
- const char *fname,
size_t install_langs_count, char *install_langs_list[],
size_t nlist, char *list[],
const char *primary)
{
- struct locarhandle ah;
+ struct locarhandle ah = {};
struct locarhead *head;
int result = 0;
struct nameent *names;
@@ -338,9 +348,6 @@ fill_archive (struct locarhandle *tmpl_a
/* Open the archive. This call never returns if we cannot
successfully open the archive. */
- ah.fname = NULL;
- if (fname != NULL)
- ah.fname = fname;
open_archive (&ah, false);
if (primary != NULL)
@@ -619,38 +626,39 @@ Usage: build-locale-archive [OPTION]...
\"de\" but also the aliases \"deutsch\"\n\
and and \"german\" although the latter does not\n\
start with \"de\".\n\
+ --prefix=DIR Operate under the file system root DIR\n\
\n\
- If the arguments TEMPLATE-FILE and ARCHIVE-FILE are not given the locations\n\
- where the glibc used expects these files are used by default.\n\
");
}
int main (int argc, char *argv[])
{
- char path[4096];
DIR *dirp;
struct dirent64 *d;
struct stat64 st;
char *list[16384], *primary;
char *lang;
int install_langs_count = 0;
- int i;
char *install_langs_arg, *ila_start;
char **install_langs_list;
unsigned int cnt = 0;
- struct locarhandle tmpl_ah;
- char *new_locar_fname = NULL;
- size_t loc_path_len = strlen (loc_path);
+ struct locarhandle tmpl_ah = {};
while (1)
{
int c;
+ enum
+ {
+ opt_prefix = 1000,
+ };
+
static struct option long_options[] =
{
{"help", no_argument, 0, 'h'},
{"verbose", no_argument, 0, 'v'},
{"install-langs", required_argument, 0, 'l'},
+ {"prefix", required_argument, 0, opt_prefix},
{0, 0, 0, 0}
};
/* getopt_long stores the option index here. */
@@ -721,6 +729,10 @@ int main (int argc, char *argv[])
}
break;
+ case opt_prefix:
+ output_prefix = optarg;
+ break;
+
case '?':
/* getopt_long already printed an error message. */
usage ();
@@ -730,23 +742,26 @@ int main (int argc, char *argv[])
abort ();
}
}
- tmpl_ah.fname = NULL;
- if (optind < argc)
- tmpl_ah.fname = argv[optind];
- if (optind + 1 < argc)
- new_locar_fname = argv[optind + 1];
+ if (optind != argc)
+ {
+ usage ();
+ exit (1);
+ }
+ if (output_prefix)
+ {
+ tmpl_file = xasprintf ("%s%s", output_prefix, tmpl_file);
+ alias_file = xasprintf ("%s%s", output_prefix, alias_file);
+ locar_file = xasprintf ("%s%s", output_prefix, locar_file);
+ loc_path = xasprintf ("%s%s", output_prefix, loc_path);
+ }
if (verbose)
{
- if (tmpl_ah.fname)
- printf("input archive file specified on command line: %s\n",
- tmpl_ah.fname);
- else
- printf("using default input archive file.\n");
- if (new_locar_fname)
- printf("output archive file specified on command line: %s\n",
- new_locar_fname);
- else
- printf("using default output archive file.\n");
+ if (output_prefix != NULL)
+ printf ("output prefix: %s\n", output_prefix);
+ printf ("input archive file: %s\n", tmpl_file);
+ printf ("input alias file: %s\n", alias_file);
+ printf ("input locale directory prefix: %s\n", loc_path);
+ printf ("output archive file: %s\n", locar_file);
}
dirp = opendir (loc_path);
@@ -754,11 +769,7 @@ int main (int argc, char *argv[])
error (EXIT_FAILURE, errno, "cannot open directory \"%s\"", loc_path);
open_tmpl_archive (&tmpl_ah);
-
- if (new_locar_fname)
- unlink (new_locar_fname);
- else
- unlink (locar_file);
+ unlink (locar_file);
primary = getenv ("LC_ALL");
if (primary == NULL)
@@ -790,8 +801,6 @@ int main (int argc, char *argv[])
}
}
- memcpy (path, loc_path, loc_path_len);
-
while ((d = readdir64 (dirp)) != NULL)
{
if (strcmp (d->d_name, ".") == 0 || strcmp (d->d_name, "..") == 0)
@@ -799,32 +808,25 @@ int main (int argc, char *argv[])
if (strchr (d->d_name, '_') == NULL)
continue;
- size_t d_name_len = strlen (d->d_name);
- if (loc_path_len + d_name_len + 1 > sizeof (path))
- {
- error (0, 0, "too long filename \"%s\"", d->d_name);
- continue;
- }
-
- memcpy (path + loc_path_len, d->d_name, d_name_len + 1);
+ char *path = xasprintf ("%s%s", loc_path, d->d_name);
if (stat64 (path, &st) < 0)
{
error (0, errno, "cannot stat \"%s\"", path);
+ free (path);
continue;
}
if (! S_ISDIR (st.st_mode))
- continue;
+ {
+ free (path);
+ continue;
+ }
if (cnt == 16384)
{
error (0, 0, "too many directories in \"%s\"", loc_path);
+ free (path);
break;
}
- list[cnt] = strdup (path);
- if (list[cnt] == NULL)
- {
- error (0, errno, "cannot add file to list \"%s\"", path);
- continue;
- }
+ list[cnt] = path;
if (primary != NULL && cnt > 0 && strcmp (primary, d->d_name) == 0)
{
char *p = list[0];
@@ -836,7 +838,7 @@ int main (int argc, char *argv[])
closedir (dirp);
/* Store the archive to the file specified as the second argument on the
command line or the default locale archive. */
- fill_archive (&tmpl_ah, new_locar_fname,
+ fill_archive (&tmpl_ah,
install_langs_count, install_langs_list,
cnt, list, primary);
close_archive (&tmpl_ah);