* nis/nis_defaults.c (searchXYX): New functions. Used by both

[platform/upstream/glibc.git] / iconv / gconv.c

diff --git a/iconv/gconv.c b/iconv/gconv.c
index 537d0dc..cd43d3d 100644 (file)
--- a/iconv/gconv.c
+++ b/iconv/gconv.c
@@ -1,46 +1,84 @@
 /* Convert characters in input buffer using conversion descriptor to
    output buffer.
-   Copyright (C) 1997 Free Software Foundation, Inc.
+   Copyright (C) 1997-2001, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
-#include <gconv.h>
+#include <assert.h>
+#include <dlfcn.h>
+#include <stddef.h>
+#include <sys/param.h>
+
+#include <gconv_int.h>
+#include <sysdep.h>
 
 
 int
-__gconv (gconv_t cd, const char **inbuf, size_t *inbytesleft, char **outbuf,
-        size_t *outbytesleft, size_t *converted)
+internal_function
+__gconv (__gconv_t cd, const unsigned char **inbuf,
+        const unsigned char *inbufend, unsigned char **outbuf,
+        unsigned char *outbufend, size_t *irreversible)
 {
-  size_t last_step = cd->nsteps - 1;
+  size_t last_step;
   int result;
 
-  cd->data[last_step].outbuf = *outbuf;
-  cd->data[last_step].outbufavail = 0;
-  cd->data[last_step].outbufsize = *outbytesleft;
+  if (cd == (__gconv_t) -1L)
+    return __GCONV_ILLEGAL_DESCRIPTOR;
+
+  last_step = cd->__nsteps - 1;
+
+  assert (irreversible != NULL);
+  *irreversible = 0;
+
+  cd->__data[last_step].__outbuf = outbuf != NULL ? *outbuf : NULL;
+  cd->__data[last_step].__outbufend = outbufend;
+
+  __gconv_fct fct = cd->__steps->__fct;
+#ifdef PTR_DEMANGLE
+  if (cd->__steps->__shlib_handle != NULL)
+    PTR_DEMANGLE (fct);
+#endif
+
+  if (inbuf == NULL || *inbuf == NULL)
+    /* We just flush.  */
+    result = DL_CALL_FCT (fct,
+                         (cd->__steps, cd->__data, NULL, NULL, NULL,
+                          irreversible,
+                          cd->__data[last_step].__outbuf == NULL ? 2 : 1, 0));
+  else
+    {
+      const unsigned char *last_start;
 
-  if (converted != NULL)
-    *converted = 0;
+      assert (outbuf != NULL && *outbuf != NULL);
 
-  result = (*cd->steps->fct) (cd->steps, cd->data, inbuf, inbytesleft,
-                             converted, inbuf == NULL || *inbuf == NULL);
+      do
+       {
+         last_start = *inbuf;
+         result = DL_CALL_FCT (fct,
+                               (cd->__steps, cd->__data, inbuf, inbufend,
+                                NULL, irreversible, 0, 0));
+       }
+      while (result == __GCONV_EMPTY_INPUT && last_start != *inbuf
+            && *inbuf + cd->__steps->__min_needed_from <= inbufend);
+    }
 
-  *outbuf += cd->data[last_step].outbufavail;
-  *outbytesleft -= cd->data[last_step].outbufavail;
+  if (outbuf != NULL && *outbuf != NULL)
+    *outbuf = cd->__data[last_step].__outbuf;
 
   return result;
 }