X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gnu%2Fmbrtowc.c;h=e49d55b3b1037dfdd7cab83f9be98fe8aa53ec56;hb=HEAD;hp=19f515915b14869fdbfd71fa7a3e22516e3a1d2a;hpb=f3797c1231154dc0bbade50aceaa8639ffd9e3cf;p=debian%2Ftar

diff --git a/gnu/mbrtowc.c b/gnu/mbrtowc.c
index 19f51591..e49d55b3 100644
--- a/gnu/mbrtowc.c
+++ b/gnu/mbrtowc.c
@@ -1,7 +1,5 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* Convert multibyte character to wide character.
-   Copyright (C) 1999-2002, 2005-2011 Free Software Foundation, Inc.
+   Copyright (C) 1999-2002, 2005-2015 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
@@ -130,7 +128,7 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
       {
         const char *encoding = locale_charset ();
 
-        if (STREQ (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0))
+        if (STREQ_OPT (encoding, "UTF-8", 'U', 'T', 'F', '-', '8', 0, 0, 0, 0))
           {
             /* Cf. unistr/u8-mblen.c.  */
             unsigned char c = (unsigned char) p[0];
@@ -187,7 +185,8 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
         /* As a reference for this code, you can use the GNU libiconv
            implementation.  Look for uses of the RET_TOOFEW macro.  */
 
-        if (STREQ (encoding, "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0))
+        if (STREQ_OPT (encoding,
+                       "EUC-JP", 'E', 'U', 'C', '-', 'J', 'P', 0, 0, 0))
           {
             if (m == 1)
               {
@@ -210,9 +209,12 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
               }
             goto invalid;
           }
-        if (STREQ (encoding, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0)
-            || STREQ (encoding, "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0)
-            || STREQ (encoding, "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0))
+        if (STREQ_OPT (encoding,
+                       "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0)
+            || STREQ_OPT (encoding,
+                          "GB2312", 'G', 'B', '2', '3', '1', '2', 0, 0, 0)
+            || STREQ_OPT (encoding,
+                          "BIG5", 'B', 'I', 'G', '5', 0, 0, 0, 0, 0))
           {
             if (m == 1)
               {
@@ -223,7 +225,8 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
               }
             goto invalid;
           }
-        if (STREQ (encoding, "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0))
+        if (STREQ_OPT (encoding,
+                       "EUC-TW", 'E', 'U', 'C', '-', 'T', 'W', 0, 0, 0))
           {
             if (m == 1)
               {
@@ -241,7 +244,8 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
               }
             goto invalid;
           }
-        if (STREQ (encoding, "GB18030", 'G', 'B', '1', '8', '0', '3', '0', 0, 0))
+        if (STREQ_OPT (encoding,
+                       "GB18030", 'G', 'B', '1', '8', '0', '3', '0', 0, 0))
           {
             if (m == 1)
               {
@@ -274,7 +278,7 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
               }
             goto invalid;
           }
-        if (STREQ (encoding, "SJIS", 'S', 'J', 'I', 'S', 0, 0, 0, 0, 0))
+        if (STREQ_OPT (encoding, "SJIS", 'S', 'J', 'I', 'S', 0, 0, 0, 0, 0))
           {
             if (m == 1)
               {
@@ -324,7 +328,7 @@ mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 size_t
 rpl_mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
 {
-# if MBRTOWC_NULL_ARG2_BUG || MBRTOWC_RETVAL_BUG
+# if MBRTOWC_NULL_ARG2_BUG || MBRTOWC_RETVAL_BUG || MBRTOWC_EMPTY_INPUT_BUG
   if (s == NULL)
     {
       pwc = NULL;
@@ -333,11 +337,16 @@ rpl_mbrtowc (wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
     }
 # endif
 
+# if MBRTOWC_EMPTY_INPUT_BUG
+  if (n == 0)
+    return (size_t) -2;
+# endif
+
 # if MBRTOWC_RETVAL_BUG
   {
     static mbstate_t internal_state;
 
-    /* Override mbrtowc's internal state.  We can not call mbsinit() on the
+    /* Override mbrtowc's internal state.  We cannot call mbsinit() on the
        hidden internal state, but we can call it on our variable.  */
     if (ps == NULL)
       ps = &internal_state;