X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=libiberty%2Fdyn-string.c;h=9de50eda0e863d1f345a2994ea4327e0fc6d2f17;hb=13ea1784af6bf316db969e8ec33be8cc1a9bf716;hp=69897f84c5e61a1f33a04263d9e115d6641addf0;hpb=140d75d7da90bd22604b20f41ae6d861a1af3341;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/libiberty/dyn-string.c b/libiberty/dyn-string.c
index 69897f84c5e..9de50eda0e8 100644
--- a/libiberty/dyn-string.c
+++ b/libiberty/dyn-string.c
@@ -1,5 +1,5 @@
 /* An abstract string datatype.
-   Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GNU CC.
@@ -9,6 +9,15 @@ it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
 
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combined
+executable.)
+
 GNU CC 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
@@ -16,8 +25,8 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+the Free Software Foundation, 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -36,15 +45,6 @@ Boston, MA 02111-1307, USA.  */
 #include "libiberty.h"
 #include "dyn-string.h"
 
-/* If this file is being compiled for inclusion in the C++ runtime
-   library, as part of the demangler implementation, we don't want to
-   abort if an allocation fails.  Instead, percolate an error code up
-   through the call chain.  */
-
-#ifdef IN_LIBGCC2
-#define RETURN_ON_ALLOCATION_FAILURE
-#endif
-
 /* Performs in-place initialization of a dyn_string struct.  This
    function can be used with a dyn_string struct on the stack or
    embedded in another object.  The contents of of the string itself
@@ -56,9 +56,7 @@ Boston, MA 02111-1307, USA.  */
    fails, returns 0.  Otherwise returns 1.  */
 
 int
-dyn_string_init (ds_struct_ptr, space)
-     struct dyn_string *ds_struct_ptr;
-     int space;
+dyn_string_init (struct dyn_string *ds_struct_ptr, int space)
 {
   /* We need at least one byte in which to store the terminating NUL.  */
   if (space == 0)
@@ -69,7 +67,7 @@ dyn_string_init (ds_struct_ptr, space)
   if (ds_struct_ptr->s == NULL)
     return 0;
 #else
-  ds_struct_ptr->s = (char *) xmalloc (space);
+  ds_struct_ptr->s = XNEWVEC (char, space);
 #endif
   ds_struct_ptr->allocated = space;
   ds_struct_ptr->length = 0;
@@ -85,8 +83,7 @@ dyn_string_init (ds_struct_ptr, space)
    returns the newly allocated string.  */
 
 dyn_string_t 
-dyn_string_new (space)
-     int space;
+dyn_string_new (int space)
 {
   dyn_string_t result;
 #ifdef RETURN_ON_ALLOCATION_FAILURE
@@ -99,7 +96,7 @@ dyn_string_new (space)
       return NULL;
     }
 #else
-  result = (dyn_string_t) xmalloc (sizeof (struct dyn_string));
+  result = XNEW (struct dyn_string);
   dyn_string_init (result, space);
 #endif
   return result;
@@ -108,8 +105,7 @@ dyn_string_new (space)
 /* Free the memory used by DS.  */
 
 void 
-dyn_string_delete (ds)
-     dyn_string_t ds;
+dyn_string_delete (dyn_string_t ds)
 {
   free (ds->s);
   free (ds);
@@ -120,8 +116,7 @@ dyn_string_delete (ds)
    DS is then set to the empty string.  Deletes DS itself.  */
 
 char*
-dyn_string_release (ds)
-     dyn_string_t ds;
+dyn_string_release (dyn_string_t ds)
 {
   /* Store the old buffer.  */
   char* result = ds->s;
@@ -141,9 +136,7 @@ dyn_string_release (ds)
    operation fails, deletes DS and returns NULL.  */
 
 dyn_string_t 
-dyn_string_resize (ds, space)
-     dyn_string_t ds;
-     int space;
+dyn_string_resize (dyn_string_t ds, int space)
 {
   int new_allocated = ds->allocated;
 
@@ -166,7 +159,7 @@ dyn_string_resize (ds, space)
 	  return NULL;
 	}
 #else
-      ds->s = (char *) xrealloc (ds->s, ds->allocated);
+      ds->s = XRESIZEVEC (char, ds->s, ds->allocated);
 #endif
     }
 
@@ -176,8 +169,7 @@ dyn_string_resize (ds, space)
 /* Sets the contents of DS to the empty string.  */
 
 void
-dyn_string_clear (ds)
-     dyn_string_t ds;
+dyn_string_clear (dyn_string_t ds)
 {
   /* A dyn_string always has room for at least the NUL terminator.  */
   ds->s[0] = '\0';
@@ -189,9 +181,7 @@ dyn_string_clear (ds)
    RETURN_ON_ALLOCATION_FAILURE, deletes DEST and returns 0.  */
 
 int
-dyn_string_copy (dest, src)
-     dyn_string_t dest;
-     dyn_string_t src;
+dyn_string_copy (dyn_string_t dest, dyn_string_t src)
 {
   if (dest == src)
     abort ();
@@ -211,9 +201,7 @@ dyn_string_copy (dest, src)
    and returns 0.  */
 
 int
-dyn_string_copy_cstr (dest, src)
-     dyn_string_t dest;
-     const char *src;
+dyn_string_copy_cstr (dyn_string_t dest, const char *src)
 {
   int length = strlen (src);
   /* Make room in DEST.  */
@@ -232,9 +220,7 @@ dyn_string_copy_cstr (dest, src)
    returns 0.  */
 
 int
-dyn_string_prepend (dest, src)
-     dyn_string_t dest;
-     dyn_string_t src;
+dyn_string_prepend (dyn_string_t dest, dyn_string_t src)
 {
   return dyn_string_insert (dest, 0, src);
 }
@@ -244,9 +230,7 @@ dyn_string_prepend (dest, src)
    if RETURN_ON_ALLOCATION_FAILURE, deletes DEST and returns 0. */
 
 int
-dyn_string_prepend_cstr (dest, src)
-     dyn_string_t dest;
-     const char *src;
+dyn_string_prepend_cstr (dyn_string_t dest, const char *src)
 {
   return dyn_string_insert_cstr (dest, 0, src);
 }
@@ -257,10 +241,7 @@ dyn_string_prepend_cstr (dest, src)
    and returns 0.  */
 
 int
-dyn_string_insert (dest, pos, src)
-     dyn_string_t dest;
-     int pos;
-     dyn_string_t src;
+dyn_string_insert (dyn_string_t dest, int pos, dyn_string_t src)
 {
   int i;
 
@@ -285,10 +266,7 @@ dyn_string_insert (dest, pos, src)
    and returns 0.  */
 
 int
-dyn_string_insert_cstr (dest, pos, src)
-     dyn_string_t dest;
-     int pos;
-     const char *src;
+dyn_string_insert_cstr (dyn_string_t dest, int pos, const char *src)
 {
   int i;
   int length = strlen (src);
@@ -305,14 +283,33 @@ dyn_string_insert_cstr (dest, pos, src)
   return 1;
 }
 
+/* Inserts character C into DEST starting at position POS.  DEST is
+   expanded as necessary.  Returns 1 on success.  On failure,
+   RETURN_ON_ALLOCATION_FAILURE, deletes DEST and returns 0.  */
+
+int
+dyn_string_insert_char (dyn_string_t dest, int pos, int c)
+{
+  int i;
+
+  if (dyn_string_resize (dest, dest->length + 1) == NULL)
+    return 0;
+  /* Make room for the insertion.  Be sure to copy the NUL.  */
+  for (i = dest->length; i >= pos; --i)
+    dest->s[i + 1] = dest->s[i];
+  /* Add the new character.  */
+  dest->s[pos] = c;
+  /* Compute the new length.  */
+  ++dest->length;
+  return 1;
+}
+     
 /* Append S to DS, resizing DS if necessary.  Returns 1 on success.
    On failure, if RETURN_ON_ALLOCATION_FAILURE, deletes DEST and
    returns 0.  */
 
 int
-dyn_string_append (dest, s)
-     dyn_string_t dest;
-     dyn_string_t s;
+dyn_string_append (dyn_string_t dest, dyn_string_t s)
 {
   if (dyn_string_resize (dest, dest->length + s->length) == 0)
     return 0;
@@ -326,9 +323,7 @@ dyn_string_append (dest, s)
    deletes DEST and returns 0.  */
 
 int
-dyn_string_append_cstr (dest, s)
-     dyn_string_t dest;
-     const char *s;
+dyn_string_append_cstr (dyn_string_t dest, const char *s)
 {
   int len = strlen (s);
 
@@ -345,9 +340,7 @@ dyn_string_append_cstr (dest, s)
    if RETURN_ON_ALLOCATION_FAILURE, deletes DEST and returns 0.  */
 
 int
-dyn_string_append_char (dest, c)
-     dyn_string_t dest;
-     int c;
+dyn_string_append_char (dyn_string_t dest, int c)
 {
   /* Make room for the extra character.  */
   if (dyn_string_resize (dest, dest->length + 1) == NULL)
@@ -368,11 +361,8 @@ dyn_string_append_char (dest, c)
    deletes DEST and returns 0.  */
 
 int
-dyn_string_substring (dest, src, start, end)
-     dyn_string_t dest;
-     dyn_string_t src;
-     int start;
-     int end;
+dyn_string_substring (dyn_string_t dest, dyn_string_t src,
+                      int start, int end)
 {
   int i;
   int length = end - start;
@@ -397,9 +387,7 @@ dyn_string_substring (dest, src, start, end)
 /* Returns non-zero if DS1 and DS2 have the same contents.  */
 
 int
-dyn_string_eq (ds1, ds2)
-     dyn_string_t ds1;
-     dyn_string_t ds2;
+dyn_string_eq (dyn_string_t ds1, dyn_string_t ds2)
 {
   /* If DS1 and DS2 have different lengths, they must not be the same.  */
   if (ds1->length != ds2->length)