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-rw-r--r--libio/iovsprintf.c4
-rw-r--r--libio/iovsscanf.c4
-rw-r--r--libio/libioP.h5
-rw-r--r--libio/memstream.c4
-rw-r--r--libio/obprintf.c8
-rw-r--r--libio/strops.c48
-rw-r--r--libio/vasprintf.c2
-rw-r--r--libio/vsnprintf.c4
-rw-r--r--libio/wstrops.c46
9 files changed, 52 insertions, 73 deletions
diff --git a/libio/iovsprintf.c b/libio/iovsprintf.c
index dbaa53f7c8..b26a99b271 100644
--- a/libio/iovsprintf.c
+++ b/libio/iovsprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997-2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -42,7 +42,7 @@ _IO_vsprintf (string, format, args)
 #endif
   _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
   _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps;
-  INTUSE(_IO_str_init_static) (&sf, string, -1, string);
+  _IO_str_init_static_internal (&sf, string, -1, string);
   ret = INTUSE(_IO_vfprintf) ((_IO_FILE *) &sf._sbf, format, args);
   _IO_putc_unlocked ('\0', (_IO_FILE *) &sf._sbf);
   return ret;
diff --git a/libio/iovsscanf.c b/libio/iovsscanf.c
index 1bb475549c..1a965c2d92 100644
--- a/libio/iovsscanf.c
+++ b/libio/iovsscanf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997-2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -41,7 +41,7 @@ _IO_vsscanf (string, format, args)
 #endif
   _IO_no_init (&sf._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
   _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps;
-  INTUSE(_IO_str_init_static) (&sf, (char*)string, 0, NULL);
+  _IO_str_init_static_internal (&sf, (char*)string, 0, NULL);
   ret = INTUSE(_IO_vfscanf) ((_IO_FILE *) &sf._sbf, format, args, NULL);
   return ret;
 }
diff --git a/libio/libioP.h b/libio/libioP.h
index ca6535aab0..38daa1daff 100644
--- a/libio/libioP.h
+++ b/libio/libioP.h
@@ -619,8 +619,7 @@ extern void _IO_str_init_readonly __P ((struct _IO_strfile_ *, const char *, int
 extern _IO_ssize_t _IO_str_count __P ((_IO_FILE *));
 
 /* And the wide character versions.  */
-extern void _IO_wstr_init_static __P ((_IO_FILE *, wchar_t *, int, wchar_t *));
-extern void _IO_wstr_init_readonly __P ((_IO_FILE *, const char *, int));
+extern void _IO_wstr_init_static __P ((_IO_FILE *, wchar_t *, _IO_size_t, wchar_t *));
 extern _IO_ssize_t _IO_wstr_count __P ((_IO_FILE *));
 extern _IO_wint_t _IO_wstr_overflow __P ((_IO_FILE *, _IO_wint_t));
 extern _IO_wint_t _IO_wstr_underflow __P ((_IO_FILE *));
@@ -710,7 +709,7 @@ extern int _IO_str_pbackfail_internal __P ((_IO_FILE *, int));
 extern _IO_off64_t _IO_str_seekoff_internal __P ((_IO_FILE *, _IO_off64_t,
 						  int, int));
 extern void _IO_str_init_static_internal __P ((struct _IO_strfile_ *, char *,
-					       int, char *));
+					       _IO_size_t, char *));
 
 extern struct _IO_jump_t _IO_file_jumps_internal attribute_hidden;
 extern struct _IO_jump_t _IO_wfile_jumps_internal attribute_hidden;
diff --git a/libio/memstream.c b/libio/memstream.c
index a3ec964237..efc6d83c21 100644
--- a/libio/memstream.c
+++ b/libio/memstream.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995,1996,1997,1999,2000,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1995-1997,1999,2000,2002,2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -114,7 +114,7 @@ open_memstream (bufloc, sizeloc)
     return NULL;
   _IO_no_init (&new_f->fp._sf._sbf._f, 0, 0, &new_f->wd, &_IO_wmem_jumps);
   _IO_JUMPS ((struct _IO_FILE_plus *) &new_f->fp._sf._sbf) = &_IO_mem_jumps;
-  INTUSE(_IO_str_init_static) (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
+  _IO_str_init_static_internal (&new_f->fp._sf, buf, _IO_BUFSIZ, buf);
   new_f->fp._sf._sbf._f._flags &= ~_IO_USER_BUF;
   new_f->fp._sf._s._allocate_buffer = (_IO_alloc_type) malloc;
   new_f->fp._sf._s._free_buffer = (_IO_free_type) free;
diff --git a/libio/obprintf.c b/libio/obprintf.c
index aa59145daa..97b5defc35 100644
--- a/libio/obprintf.c
+++ b/libio/obprintf.c
@@ -1,5 +1,5 @@
 /* Print output of stream to given obstack.
-   Copyright (C) 1996,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
+   Copyright (C) 1996,1997,1999-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -153,9 +153,9 @@ _IO_obstack_vprintf (struct obstack *obstack, const char *format, va_list args)
       assert (size != 0);
     }
 
-  INTUSE(_IO_str_init_static) ((struct _IO_strfile_ *) &new_f.ofile,
-			       obstack_base (obstack),
-			       size, obstack_next_free (obstack));
+  _IO_str_init_static_internal ((struct _IO_strfile_ *) &new_f.ofile,
+				obstack_base (obstack),
+				size, obstack_next_free (obstack));
   /* Now allocate the rest of the current chunk.  */
   assert (size == (new_f.ofile.file.file._IO_write_end
 		   - new_f.ofile.file.file._IO_write_base));
diff --git a/libio/strops.c b/libio/strops.c
index d95f33c2e9..8e5ec6d4e9 100644
--- a/libio/strops.c
+++ b/libio/strops.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1997-2000, 2001, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993, 1997-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -63,33 +63,22 @@
 #endif
 
 void
-_IO_str_init_static (sf, ptr, size, pstart)
+_IO_str_init_static_internal (sf, ptr, size, pstart)
      _IO_strfile *sf;
      char *ptr;
-     int size;
+     _IO_size_t size;
      char *pstart;
 {
   _IO_FILE *fp = &sf->_sbf._f;
+  char *end;
 
   if (size == 0)
-    size = strlen (ptr);
-  else if (size < 0)
-    {
-      /* If size is negative 'the characters are assumed to
-	 continue indefinitely.'  This is kind of messy ... */
-      int s;
-      size = 512;
-      /* Try increasing powers of 2, as long as we don't wrap around. */
-      for (; s = 2*size, s > 0 && ptr + s > ptr && s < 0x4000000L; )
-	size = s;
-      /* Try increasing size as much as we can without wrapping around. */
-      for (s = size >> 1; s > 0; s >>= 1)
-	{
-	  if (ptr + size + s > ptr)
-	    size += s;
-	}
-    }
-  INTUSE(_IO_setb) (fp, ptr, ptr + size, 0);
+    end = __rawmemchr (ptr, '\0');
+  else if ((_IO_size_t) ptr + size > (_IO_size_t) ptr)
+    end = ptr + size;
+  else
+    end = (char *) -1;
+  INTUSE(_IO_setb) (fp, ptr, end, 0);
 
   fp->_IO_write_base = ptr;
   fp->_IO_read_base = ptr;
@@ -97,19 +86,28 @@ _IO_str_init_static (sf, ptr, size, pstart)
   if (pstart)
     {
       fp->_IO_write_ptr = pstart;
-      fp->_IO_write_end = ptr + size;
+      fp->_IO_write_end = end;
       fp->_IO_read_end = pstart;
     }
   else
     {
       fp->_IO_write_ptr = ptr;
       fp->_IO_write_end = ptr;
-      fp->_IO_read_end = ptr+size;
+      fp->_IO_read_end = end;
     }
   /* A null _allocate_buffer function flags the strfile as being static. */
   sf->_s._allocate_buffer = (_IO_alloc_type) 0;
 }
-INTDEF(_IO_str_init_static)
+
+void
+_IO_str_init_static (sf, ptr, size, pstart)
+     _IO_strfile *sf;
+     char *ptr;
+     int size;
+     char *pstart;
+{
+  return _IO_str_init_static_internal (sf, ptr, size < 0 ? -1 : size, pstart);
+}
 
 void
 _IO_str_init_readonly (sf, ptr, size)
@@ -117,7 +115,7 @@ _IO_str_init_readonly (sf, ptr, size)
      const char *ptr;
      int size;
 {
-  INTUSE(_IO_str_init_static) (sf, (char *) ptr, size, NULL);
+  _IO_str_init_static_internal (sf, (char *) ptr, size < 0 ? -1 : size, NULL);
   sf->_sbf._f._IO_file_flags |= _IO_NO_WRITES;
 }
 
diff --git a/libio/vasprintf.c b/libio/vasprintf.c
index fb7e00675a..4e5b7f4cac 100644
--- a/libio/vasprintf.c
+++ b/libio/vasprintf.c
@@ -54,7 +54,7 @@ _IO_vasprintf (result_ptr, format, args)
 #endif
   _IO_no_init ((_IO_FILE *) &sf._sbf, _IO_USER_LOCK, -1, NULL, NULL);
   _IO_JUMPS ((struct _IO_FILE_plus *) &sf._sbf) = &_IO_str_jumps;
-  INTUSE(_IO_str_init_static) (&sf, string, init_string_size, string);
+  _IO_str_init_static_internal (&sf, string, init_string_size, string);
   sf._sbf._f._flags &= ~_IO_USER_BUF;
   sf._s._allocate_buffer = (_IO_alloc_type) malloc;
   sf._s._free_buffer = (_IO_free_type) free;
diff --git a/libio/vsnprintf.c b/libio/vsnprintf.c
index 8a3afc46bd..3057082ea4 100644
--- a/libio/vsnprintf.c
+++ b/libio/vsnprintf.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994,1997,1999,2000,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1994,1997,1999-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -126,7 +126,7 @@ _IO_vsnprintf (string, maxlen, format, args)
   _IO_no_init (&sf.f._sbf._f, _IO_USER_LOCK, -1, NULL, NULL);
   _IO_JUMPS ((struct _IO_FILE_plus *) &sf.f._sbf) = &_IO_strn_jumps;
   string[0] = '\0';
-  INTUSE(_IO_str_init_static) (&sf.f, string, maxlen - 1, string);
+  _IO_str_init_static_internal (&sf.f, string, maxlen - 1, string);
   ret = INTUSE(_IO_vfprintf) ((_IO_FILE *) &sf.f._sbf, format, args);
 
   if (sf.f._sbf._f._IO_buf_base != sf.overflow_buf)
diff --git a/libio/wstrops.c b/libio/wstrops.c
index 3c9c4971e8..b180a8f9b6 100644
--- a/libio/wstrops.c
+++ b/libio/wstrops.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993,1997,1998,1999,2001,2002 Free Software Foundation, Inc.
+/* Copyright (C) 1993,1997-1999,2001-2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -67,28 +67,20 @@ void
 _IO_wstr_init_static (fp, ptr, size, pstart)
      _IO_FILE *fp;
      wchar_t *ptr;
-     int size;
+     _IO_size_t size;
      wchar_t *pstart;
 {
+  wchar_t *end;
+  
   if (size == 0)
-    size = __wcslen (ptr);
-  else if (size < 0)
-    {
-      /* If size is negative 'the characters are assumed to
-	 continue indefinitely.'  This is kind of messy ... */
-      int s;
-      size = 512;
-      /* Try increasing powers of 2, as long as we don't wrap around. */
-      for (; s = 2*size, s > 0 && ptr + s > ptr && s < 0x4000000L; )
-	size = s;
-      /* Try increasing size as much as we can without wrapping around. */
-      for (s = size >> 1; s > 0; s >>= 1)
-	{
-	  if (ptr + size + s > ptr)
-	    size += s;
-	}
-    }
-  INTUSE(_IO_wsetb) (fp, ptr, ptr + size, 0);
+    end = ptr + __wcslen (ptr);
+  else if ((_IO_size_t) ptr + size * sizeof (wchar_t) > (_IO_size_t) ptr)
+    end = ptr + size;
+  else
+    /* Even for misaligned ptr make sure there is integral number of wide
+       characters.  */
+    end = ptr + (-1 - (_IO_size_t) ptr) / sizeof (wchar_t);
+  INTUSE(_IO_wsetb) (fp, ptr, end, 0);
 
   fp->_wide_data->_IO_write_base = ptr;
   fp->_wide_data->_IO_read_base = ptr;
@@ -96,29 +88,19 @@ _IO_wstr_init_static (fp, ptr, size, pstart)
   if (pstart)
     {
       fp->_wide_data->_IO_write_ptr = pstart;
-      fp->_wide_data->_IO_write_end = ptr + size;
+      fp->_wide_data->_IO_write_end = end;
       fp->_wide_data->_IO_read_end = pstart;
     }
   else
     {
       fp->_wide_data->_IO_write_ptr = ptr;
       fp->_wide_data->_IO_write_end = ptr;
-      fp->_wide_data->_IO_read_end = ptr + size;
+      fp->_wide_data->_IO_read_end = end;
     }
   /* A null _allocate_buffer function flags the strfile as being static. */
   (((_IO_strfile *) fp)->_s._allocate_buffer) =  (_IO_alloc_type)0;
 }
 
-void
-_IO_wstr_init_readonly (fp, ptr, size)
-     _IO_FILE *fp;
-     const char *ptr;
-     int size;
-{
-  _IO_wstr_init_static (fp, (wchar_t *) ptr, size, NULL);
-  fp->_IO_file_flags |= _IO_NO_WRITES;
-}
-
 _IO_wint_t
 _IO_wstr_overflow (fp, c)
      _IO_FILE *fp;
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-23 21:37:39 +0000