Update from gettext-0.10.16.

1 files changed, 86 insertions, 26 deletions

diff --git a/intl/dcgettext.c b/intl/dcgettext.c
index 7562f69..c3adee3 100644
--- a/intl/dcgettext.c
+++ b/intl/dcgettext.c
@@ -1,5 +1,5 @@
 /* dcgettext.c -- implementation of the dcgettext(3) function
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -23,6 +23,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifdef __GNUC__
 # define alloca __builtin_alloca
+# define HAVE_ALLOCA 1
 #else
 # if defined HAVE_ALLOCA_H || defined _LIBC
 #  include <alloca.h>
@@ -85,13 +86,16 @@ void free ();
    file and the name space must not be polluted.  */
 # define getcwd __getcwd
 # define stpcpy __stpcpy
-#endif
-
-#if !defined HAVE_GETCWD && !defined _LIBC
-char *getwd ();
-# define getcwd(buf, max) getwd (buf)
 #else
+# if !defined HAVE_GETCWD
+char *getwd ();
+#  define getcwd(buf, max) getwd (buf)
+# else
 char *getcwd ();
+# endif
+# ifndef HAVE_STPCPY
+static char *stpcpy PARAMS ((char *dest, const char *src));
+# endif
 #endif
 
 /* Amount to increase buffer size by in each try.  */
@@ -151,13 +155,49 @@ const char _nl_default_dirname[] = GNULOCALEDIR;
 struct binding *_nl_domain_bindings;
 
 /* Prototypes for local functions.  */
-static char *find_msg PARAMS ((struct loaded_domain *domain,
+static char *find_msg PARAMS ((struct loaded_l10nfile *domain_file,
 			       const char *msgid));
 static const char *category_to_name PARAMS ((int category));
 static const char *guess_category_value PARAMS ((int category,
 						 const char *categoryname));
 
 
+/* For those loosing systems which don't have `alloca' we have to add
+   some additional code emulating it.  */
+#ifdef HAVE_ALLOCA
+/* Nothing has to be done.  */
+# define ADD_BLOCK(list, address) /* nothing */
+# define FREE_BLOCKS(list) /* nothing */
+#else
+struct block_list
+{
+  void *address;
+  struct block_list *next;
+};
+# define ADD_BLOCK(list, addr)						      \
+  do {									      \
+    struct block_list *newp = (struct block_list *) malloc (sizeof (*newp));  \
+    /* If we cannot get a free block we cannot add the new element to	      \
+       the list.  */							      \
+    if (newp != NULL) {							      \
+      newp->address = (addr);						      \
+      newp->next = (list);						      \
+      (list) = newp;							      \
+    }									      \
+  } while (0)
+# define FREE_BLOCKS(list)						      \
+  do {									      \
+    while (list != NULL) {						      \
+      struct block_list *old = list;					      \
+      list = list->next;						      \
+      free (old);							      \
+    }									      \
+  } while (0)
+# undef alloca
+# define alloca(size) (malloc (size))
+#endif	/* have alloca */
+
+
 /* Names for the libintl functions are a problem.  They must not clash
    with existing names and they should follow ANSI C.  But this source
    code is also used in GNU C Library where the names have a __
@@ -176,7 +216,10 @@ DCGETTEXT (domainname, msgid, category)
      const char *msgid;
      int category;
 {
-  struct loaded_domain *domain;
+#ifndef HAVE_ALLOCA
+  struct block_list *alloca_list = NULL;
+#endif
+  struct loaded_l10nfile *domain;
   struct binding *binding;
   const char *categoryname;
   const char *categoryvalue;
@@ -225,12 +268,14 @@ DCGETTEXT (domainname, msgid, category)
       path_max += 2;		/* The getcwd docs say to do this.  */
 
       dirname = (char *) alloca (path_max + dirname_len);
+      ADD_BLOCK (block_list, dirname);
 
       errno = 0;
       while ((ret = getcwd (dirname, path_max)) == NULL && errno == ERANGE)
 	{
 	  path_max += PATH_INCR;
 	  dirname = (char *) alloca (path_max + dirname_len);
+	  ADD_BLOCK (block_list, dirname);
 	  errno = 0;
 	}
 
@@ -238,6 +283,7 @@ DCGETTEXT (domainname, msgid, category)
 	{
 	  /* We cannot get the current working directory.  Don't signal an
 	     error but simply return the default string.  */
+	  FREE_BLOCKS (block_list);
 	  errno = saved_errno;
 	  return (char *) msgid;
 	}
@@ -246,12 +292,7 @@ DCGETTEXT (domainname, msgid, category)
 	 we avoid the non-standard function stpcpy.  In GNU C Library
 	 this function is available, though.  Also allow the symbol
 	 HAVE_STPCPY to be defined.  */
-#if defined _LIBC || defined HAVE_STPCPY
       stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname);
-#else
-      strcat (dirname, "/");
-      strcat (dirname, binding->dirname);
-#endif
     }
 
   /* Now determine the symbolic name of CATEGORY and its value.  */
@@ -260,23 +301,18 @@ DCGETTEXT (domainname, msgid, category)
 
   xdomainname = (char *) alloca (strlen (categoryname)
 				 + strlen (domainname) + 5);
+  ADD_BLOCK (block_list, xdomainname);
   /* We don't want libintl.a to depend on any other library.  So we
      avoid the non-standard function stpcpy.  In GNU C Library this
      function is available, though.  Also allow the symbol HAVE_STPCPY
      to be defined.  */
-#if defined _LIBC || defined HAVE_STPCPY
   stpcpy (stpcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"),
 		  domainname),
 	  ".mo");
-#else
-  strcpy (xdomainname, categoryname);
-  strcat (xdomainname, "/");
-  strcat (xdomainname, domainname);
-  strcat (xdomainname, ".mo");
-#endif
 
   /* Creating working area.  */
   single_locale = (char *) alloca (strlen (categoryvalue) + 1);
+  ADD_BLOCK (block_list, single_locale);
 
 
   /* Search for the given string.  This is a loop because we perhaps
@@ -308,6 +344,7 @@ DCGETTEXT (domainname, msgid, category)
       if (strcmp (single_locale, "C") == 0
 	  || strcmp (single_locale, "POSIX") == 0)
 	{
+	  FREE_BLOCKS (block_list);
 	  errno = saved_errno;
 	  return (char *) msgid;
 	}
@@ -336,6 +373,7 @@ DCGETTEXT (domainname, msgid, category)
 
 	  if (retval != NULL)
 	    {
+	      FREE_BLOCKS (block_list);
 	      errno = saved_errno;
 	      return retval;
 	    }
@@ -351,18 +389,21 @@ weak_alias (__dcgettext, dcgettext);
 
 
 static char *
-find_msg (domain, msgid)
-     struct loaded_domain *domain;
+find_msg (domain_file, msgid)
+     struct loaded_l10nfile *domain_file;
      const char *msgid;
 {
   size_t top, act, bottom;
+  struct loaded_domain *domain;
 
-  if (domain->decided == 0)
-    _nl_load_domain (domain);
+  if (domain_file->decided == 0)
+    _nl_load_domain (domain_file);
 
-  if (domain->data == NULL)
+  if (domain_file->data == NULL)
     return NULL;
 
+  domain = (struct loaded_domain *) domain_file->data;
+
   /* Locate the MSGID and its translation.  */
   if (domain->hash_size > 2 && domain->hash_tab != NULL)
     {
@@ -435,7 +476,8 @@ find_msg (domain, msgid)
 
 
 /* Return string representation of locale CATEGORY.  */
-static const char *category_to_name (category)
+static const char *
+category_to_name (category)
      int category;
 {
   const char *retval;
@@ -531,3 +573,21 @@ static const char *guess_category_value (category, categoryname)
   return "C";
 #endif
 }
+
+/* @@ begin of epilog @@ */
+
+/* We don't want libintl.a to depend on any other library.  So we
+   avoid the non-standard function stpcpy.  In GNU C Library this
+   function is available, though.  Also allow the symbol HAVE_STPCPY
+   to be defined.  */
+#if !_LIBC && !HAVE_STPCPY
+static char *
+stpcpy (dest, src)
+     char *dest;
+     const char *src;
+{
+  while ((*dest++ = *src++) != '\0')
+    /* Do nothing. */ ;
+  return dest - 1;
+}
+#endif