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DCIGETTEXT: Use getcwd, asprintf to construct absolute pathname

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This commit is contained in:
Florian Weimer 2017-06-21 16:31:31 +02:00
parent e535139e82
commit 9695dd0c93
2 changed files with 19 additions and 28 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2017-06-21 Florian Weimer <fweimer@redhat.com>
* intl/dcigettext.c (DCIGETTEXT): Use getcwd (NULL, 0) and
asprintf to construct an absolute pathname.
2017-06-21 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* misc/tst-preadvwritev2-common.c: New file.

42
intl/dcigettext.c
View File

@ -59,6 +59,7 @@ extern int errno;
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#if defined HAVE_UNISTD_H || defined _LIBC
@ -495,6 +496,7 @@ DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
const char *categoryname;
const char *categoryvalue;
const char *dirname;
char *xdirname = NULL;
char *xdomainname;
char *single_locale;
char *retval;
@ -624,35 +626,17 @@ DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
if (!IS_ABSOLUTE_PATH (dirname))
{
/* We have a relative path. Make it absolute now. */
size_t dirname_len = strlen (dirname) + 1;
size_t path_max;
char *resolved_dirname;
char *ret;
path_max = (unsigned int) PATH_MAX;
path_max += 2; /* The getcwd docs say to do this. */
for (;;)
{
resolved_dirname = (char *) alloca (path_max + dirname_len);
ADD_BLOCK (block_list, tmp_dirname);
__set_errno (0);
ret = getcwd (resolved_dirname, path_max);
if (ret != NULL || errno != ERANGE)
break;
path_max += path_max / 2;
path_max += PATH_INCR;
}
if (ret == NULL)
/* We cannot get the current working directory. Don't signal an
error but simply return the default string. */
char *cwd = getcwd (NULL, 0);
if (cwd == NULL)
/* We cannot get the current working directory. Don't
signal an error but simply return the default
string. */
goto return_untranslated;
stpcpy (stpcpy (strchr (resolved_dirname, '\0'), "/"), dirname);
dirname = resolved_dirname;
int ret = __asprintf (&xdirname, "%s/%s", cwd, dirname);
free (cwd);
if (ret < 0)
return NULL;
dirname = xdirname;
}
#ifndef IN_LIBGLOCALE
}
@ -767,6 +751,7 @@ DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
{
/* Found the translation of MSGID1 in domain DOMAIN:
starting at RETVAL, RETLEN bytes. */
free (xdirname);
FREE_BLOCKS (block_list);
if (foundp == NULL)
{
@ -850,6 +835,7 @@ DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
return_untranslated:
/* Return the untranslated MSGID. */
free (xdirname);
FREE_BLOCKS (block_list);
gl_rwlock_unlock (_nl_state_lock);
#ifdef _LIBC