forked from rpms/glibc
189 lines
4.6 KiB
Diff
189 lines
4.6 KiB
Diff
commit eeac390eecf7de24a110dc84e77e1190f42c5305
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Author: Siddhesh Poyarekar <siddhesh@sourceware.org>
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Date: Thu Jun 10 14:31:57 2021 +0530
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iconvconfig: Use common gconv module parsing function
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Drop local copy of gconv file parsing and use the one in
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gconv_parseconfdir.h instead. Now there is a single implementation of
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configuration file parsing.
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Reviewed-by: DJ Delorie <dj@redhat.com>
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diff --git a/iconv/iconvconfig.c b/iconv/iconvconfig.c
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index 2f9d5f45ad3a8159..01ecf6f67d55dbbf 100644
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--- a/iconv/iconvconfig.c
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+++ b/iconv/iconvconfig.c
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@@ -18,7 +18,6 @@
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#include <argp.h>
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#include <assert.h>
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-#include <dirent.h>
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#include <error.h>
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#include <errno.h>
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#include <fcntl.h>
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@@ -34,10 +33,10 @@
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#include <string.h>
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#include <unistd.h>
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#include <sys/cdefs.h>
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-#include <sys/types.h>
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#include <sys/uio.h>
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#include "iconvconfig.h"
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+#include <gconv_parseconfdir.h>
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/* Get libc version number. */
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#include "../version.h"
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@@ -568,7 +567,9 @@ new_module (const char *fromname, size_t fromlen, const char *toname,
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/* Add new module. */
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static void
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-add_module (char *rp, const char *directory)
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+add_module (char *rp, const char *directory,
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+ size_t dirlen __attribute__ ((__unused__)),
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+ int modcount __attribute__ ((__unused__)))
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{
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/* We expect now
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1. `from' name
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@@ -646,131 +647,28 @@ add_module (char *rp, const char *directory)
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cost, need_ext);
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}
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-/* Read a gconv-modules configuration file. */
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-static bool
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-handle_file (const char *dir, const char *infile)
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-{
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- FILE *fp;
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- char *line = NULL;
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- size_t linelen = 0;
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-
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- fp = fopen (infile, "r");
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- if (fp == NULL)
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- return false;
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-
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- /* No threads present. */
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- __fsetlocking (fp, FSETLOCKING_BYCALLER);
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-
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- while (!feof_unlocked (fp))
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- {
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- char *rp, *endp, *word;
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- ssize_t n = __getdelim (&line, &linelen, '\n', fp);
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-
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- if (n < 0)
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- /* An error occurred. */
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- break;
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-
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- rp = line;
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- /* Terminate the line (excluding comments or newline) with a NUL
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- byte to simplify the following code. */
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- endp = strchr (rp, '#');
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- if (endp != NULL)
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- *endp = '\0';
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- else
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- if (rp[n - 1] == '\n')
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- rp[n - 1] = '\0';
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-
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- while (isspace (*rp))
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- ++rp;
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-
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- /* If this is an empty line go on with the next one. */
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- if (rp == endp)
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- continue;
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-
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- word = rp;
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- while (*rp != '\0' && !isspace (*rp))
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- ++rp;
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-
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- if (rp - word == sizeof ("alias") - 1
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- && memcmp (word, "alias", sizeof ("alias") - 1) == 0)
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- add_alias (rp);
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- else if (rp - word == sizeof ("module") - 1
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- && memcmp (word, "module", sizeof ("module") - 1) == 0)
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- add_module (rp, dir);
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- /* else */
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- /* Otherwise ignore the line. */
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- }
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-
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- free (line);
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-
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- fclose (fp);
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-
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- return true;
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-}
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-
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/* Read config files and add the data for this directory to cache. */
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static int
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handle_dir (const char *dir)
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{
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- char *cp;
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size_t dirlen = strlen (dir);
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bool found = false;
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+ /* Add the prefix before sending it off to the parser. */
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+ char *fulldir = xmalloc (prefix_len + dirlen + 2);
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+ char *cp = mempcpy (mempcpy (fulldir, prefix, prefix_len), dir, dirlen);
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+
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if (dir[dirlen - 1] != '/')
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{
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- char *newp = (char *) xmalloc (dirlen + 2);
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- dir = memcpy (newp, dir, dirlen);
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- newp[dirlen++] = '/';
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- newp[dirlen] = '\0';
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+ *cp++ = '/';
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+ *cp = '\0';
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+ dirlen++;
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}
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- /* First, look for a gconv-modules file. */
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- char *buf = malloc (prefix_len + dirlen + sizeof "gconv-modules.d");
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- if (buf == NULL)
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- goto out;
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-
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- cp = buf;
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- if (dir[0] == '/')
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- cp = mempcpy (cp, prefix, prefix_len);
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- cp = mempcpy (cp, dir, dirlen);
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- cp = stpcpy (cp, "gconv-modules");
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-
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- found |= handle_file (dir, buf);
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-
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- /* Next, see if there is a gconv-modules.d directory containing configuration
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- files and if it is non-empty. */
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- cp[0] = '.';
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- cp[1] = 'd';
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- cp[2] = '\0';
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-
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- DIR *confdir = opendir (buf);
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- if (confdir != NULL)
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- {
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- struct dirent *ent;
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- while ((ent = readdir (confdir)) != NULL)
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- {
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- if (ent->d_type != DT_REG)
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- continue;
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-
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- size_t len = strlen (ent->d_name);
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- const char *suffix = ".conf";
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-
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- if (len > strlen (suffix)
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- && strcmp (ent->d_name + len - strlen (suffix), suffix) == 0)
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- {
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- char *conf;
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- if (asprintf (&conf, "%s/%s", buf, ent->d_name) < 0)
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- continue;
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- found |= handle_file (dir, conf);
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- free (conf);
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- }
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- }
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- closedir (confdir);
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- }
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+ found = gconv_parseconfdir (fulldir, dirlen + prefix_len);
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- free (buf);
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+ free (fulldir);
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-out:
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if (!found)
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{
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error (0, errno, "failed to open gconv configuration files in `%s'",
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