2007-02-07 Kyle Galloway <kgallowa@redhat.com>

[pf3gnuchains/gcc-fork.git] / libcpp / charset.c

diff --git a/libcpp/charset.c b/libcpp/charset.c
index ba53f63..d132360 100644 (file)
--- a/libcpp/charset.c
+++ b/libcpp/charset.c
@@ -1,5 +1,5 @@
 /* CPP Library - charsets
-   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006
    Free Software Foundation, Inc.
 
    Broken out of c-lex.c Apr 2003, adding valid C99 UCN ranges.
@@ -16,7 +16,7 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
 #include "config.h"
 #include "system.h"
@@ -486,7 +486,7 @@ conversion_loop (int (*const one_conversion)(iconv_t, const uchar **, size_t *,
 
       outbytesleft += OUTBUF_BLOCK_SIZE;
       to->asize += OUTBUF_BLOCK_SIZE;
-      to->text = xrealloc (to->text, to->asize);
+      to->text = XRESIZEVEC (uchar, to->text, to->asize);
       outbuf = to->text + to->asize - outbytesleft;
     }
 }
@@ -538,7 +538,7 @@ convert_no_conversion (iconv_t cd ATTRIBUTE_UNUSED,
   if (to->len + flen > to->asize)
     {
       to->asize = to->len + flen;
-      to->text = xrealloc (to->text, to->asize);
+      to->text = XRESIZEVEC (uchar, to->text, to->asize);
     }
   memcpy (to->text + to->len, from, flen);
   to->len += flen;
@@ -578,7 +578,7 @@ convert_using_iconv (iconv_t cd, const uchar *from, size_t flen,
 
       outbytesleft += OUTBUF_BLOCK_SIZE;
       to->asize += OUTBUF_BLOCK_SIZE;
-      to->text = xrealloc (to->text, to->asize);
+      to->text = XRESIZEVEC (uchar, to->text, to->asize);
       outbuf = (char *)to->text + to->asize - outbytesleft;
     }
 }
@@ -628,7 +628,7 @@ init_iconv_desc (cpp_reader *pfile, const char *to, const char *from)
       return ret;
     }
 
-  pair = alloca(strlen(to) + strlen(from) + 2);
+  pair = (char *) alloca(strlen(to) + strlen(from) + 2);
 
   strcpy(pair, from);
   strcat(pair, "/");
@@ -751,7 +751,7 @@ cpp_host_to_exec_charset (cpp_reader *pfile, cppchar_t c)
 
   /* This should never need to reallocate, but just in case... */
   tbuf.asize = 1;
-  tbuf.text = xmalloc (tbuf.asize);
+  tbuf.text = XNEWVEC (uchar, tbuf.asize);
   tbuf.len = 0;
 
   if (!APPLY_CONVERSION (pfile->narrow_cset_desc, sbuf, 1, &tbuf))
@@ -1087,7 +1087,7 @@ emit_numeric_escape (cpp_reader *pfile, cppchar_t n,
       if (tbuf->len + nbwc > tbuf->asize)
        {
          tbuf->asize += OUTBUF_BLOCK_SIZE;
-         tbuf->text = xrealloc (tbuf->text, tbuf->asize);
+         tbuf->text = XRESIZEVEC (uchar, tbuf->text, tbuf->asize);
        }
 
       for (i = 0; i < nbwc; i++)
@@ -1105,7 +1105,7 @@ emit_numeric_escape (cpp_reader *pfile, cppchar_t n,
       if (tbuf->len + 1 > tbuf->asize)
        {
          tbuf->asize += OUTBUF_BLOCK_SIZE;
-         tbuf->text = xrealloc (tbuf->text, tbuf->asize);
+         tbuf->text = XRESIZEVEC (uchar, tbuf->text, tbuf->asize);
        }
       tbuf->text[tbuf->len++] = n;
     }
@@ -1277,8 +1277,14 @@ convert_escape (cpp_reader *pfile, const uchar *from, const uchar *limit,
        cpp_error (pfile, CPP_DL_PEDWARN,
                   "unknown escape sequence '\\%c'", (int) c);
       else
-       cpp_error (pfile, CPP_DL_PEDWARN,
-                  "unknown escape sequence: '\\%03o'", (int) c);
+       {
+         /* diagnostic.c does not support "%03o".  When it does, this
+            code can use %03o directly in the diagnostic again.  */
+         char buf[32];
+         sprintf(buf, "%03o", (int) c);
+         cpp_error (pfile, CPP_DL_PEDWARN,
+                    "unknown escape sequence: '\\%s'", buf);
+       }
     }
 
   /* Now convert what we have to the execution character set.  */
@@ -1306,7 +1312,7 @@ cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
     = wide ? pfile->wide_cset_desc : pfile->narrow_cset_desc;
 
   tbuf.asize = MAX (OUTBUF_BLOCK_SIZE, from->len);
-  tbuf.text = xmalloc (tbuf.asize);
+  tbuf.text = XNEWVEC (uchar, tbuf.asize);
   tbuf.len = 0;
 
   for (i = 0; i < count; i++)
@@ -1337,7 +1343,7 @@ cpp_interpret_string (cpp_reader *pfile, const cpp_string *from, size_t count,
   /* NUL-terminate the 'to' buffer and translate it to a cpp_string
      structure.  */
   emit_numeric_escape (pfile, 0, &tbuf, wide);
-  tbuf.text = xrealloc (tbuf.text, tbuf.len);
+  tbuf.text = XRESIZEVEC (uchar, tbuf.text, tbuf.len);
   to->text = tbuf.text;
   to->len = tbuf.len;
   return true;
@@ -1526,7 +1532,7 @@ _cpp_interpret_identifier (cpp_reader *pfile, const uchar *id, size_t len)
 {
   /* It turns out that a UCN escape always turns into fewer characters
      than the escape itself, so we can allocate a temporary in advance.  */
-  uchar * buf = alloca (len + 1);
+  uchar * buf = (uchar *) alloca (len + 1);
   uchar * bufp = buf;
   size_t idp;
   
@@ -1598,7 +1604,7 @@ _cpp_convert_input (cpp_reader *pfile, const char *input_charset,
   else
     {
       to.asize = MAX (65536, len);
-      to.text = xmalloc (to.asize);
+      to.text = XNEWVEC (uchar, to.asize);
       to.len = 0;
 
       if (!APPLY_CONVERSION (input_cset, input, len, &to))
@@ -1616,13 +1622,13 @@ _cpp_convert_input (cpp_reader *pfile, const char *input_charset,
   /* Resize buffer if we allocated substantially too much, or if we
      haven't enough space for the \n-terminator.  */
   if (to.len + 4096 < to.asize || to.len >= to.asize)
-    to.text = xrealloc (to.text, to.len + 1);
+    to.text = XRESIZEVEC (uchar, to.text, to.len + 1);
 
   /* If the file is using old-school Mac line endings (\r only),
      terminate with another \r, not an \n, so that we do not mistake
      the \r\n sequence for a single DOS line ending and erroneously
      issue the "No newline at end of file" diagnostic.  */
-  if (to.text[to.len - 1] == '\r')
+  if (to.len && to.text[to.len - 1] == '\r')
     to.text[to.len] = '\r';
   else
     to.text[to.len] = '\n';