pointerless backing buffers for string ports
[bpt/guile.git] / libguile / bytevectors.c
index f3a61c1..f014697 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+/* Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
   SCM_VALIDATE_SYMBOL (3, endianness);                         \
                                                                \
   {                                                            \
-    _sign long c_value;                                                \
+    scm_t_signed_bits c_value;                                 \
     INT_TYPE (_len, _sign) c_value_short;                      \
                                                                \
     if (SCM_UNLIKELY (!SCM_I_INUMP (value)))                   \
   INTEGER_ACCESSOR_PROLOGUE (_len, _sign);                     \
                                                                \
   {                                                            \
-    _sign long c_value;                                                \
+    scm_t_signed_bits c_value;                                 \
     INT_TYPE (_len, _sign) c_value_short;                      \
                                                                \
     if (SCM_UNLIKELY (!SCM_I_INUMP (value)))                   \
@@ -482,6 +482,8 @@ SCM_DEFINE (scm_make_bytevector, "make-bytevector", 1, 1, 0,
       for (i = 0; i < c_len; i++)
        contents[i] = c_fill;
     }
+  else
+    memset (SCM_BYTEVECTOR_CONTENTS (bv), 0, c_len);
 
   return bv;
 }
@@ -511,7 +513,8 @@ SCM_DEFINE (scm_bytevector_eq_p, "bytevector=?", 2, 0, 0,
   c_len1 = SCM_BYTEVECTOR_LENGTH (bv1);
   c_len2 = SCM_BYTEVECTOR_LENGTH (bv2);
 
-  if (c_len1 == c_len2)
+  if (c_len1 == c_len2 && (SCM_BYTEVECTOR_ELEMENT_TYPE (bv1)
+                           == SCM_BYTEVECTOR_ELEMENT_TYPE (bv2)))
     {
       signed char *c_bv1, *c_bv2;
 
@@ -734,7 +737,7 @@ SCM_DEFINE (scm_u8_list_to_bytevector, "u8-list->bytevector", 1, 0, 0,
 
       if (SCM_LIKELY (SCM_I_INUMP (item)))
        {
-         long c_item;
+         scm_t_signed_bits c_item;
 
          c_item = SCM_I_INUM (item);
          if (SCM_LIKELY ((c_item >= 0) && (c_item < 256)))
@@ -950,7 +953,7 @@ bytevector_unsigned_ref (const char *c_bv, size_t c_size, SCM endianness)
 #define GENERIC_INTEGER_SET(_sign)                                     \
   if (c_size < 3)                                                      \
     {                                                                  \
-      _sign int c_value;                                               \
+      scm_t_signed_bits c_value;                                       \
                                                                        \
       if (SCM_UNLIKELY (!SCM_I_INUMP (value)))                         \
        goto range_error;                                               \
@@ -2213,14 +2216,14 @@ void
 scm_bootstrap_bytevectors (void)
 {
   /* This must be instantiated here because the generalized-vector API may
-     want to access bytevectors even though `(rnrs bytevector)' hasn't been
+     want to access bytevectors even though `(rnrs bytevectors)' hasn't been
      loaded.  */
   scm_null_bytevector = make_bytevector (0, SCM_ARRAY_ELEMENT_TYPE_VU8);
 
 #ifdef WORDS_BIGENDIAN
-  scm_i_native_endianness = scm_from_locale_symbol ("big");
+  scm_i_native_endianness = scm_from_latin1_symbol ("big");
 #else
-  scm_i_native_endianness = scm_from_locale_symbol ("little");
+  scm_i_native_endianness = scm_from_latin1_symbol ("little");
 #endif
 
   scm_c_register_extension ("libguile-" SCM_EFFECTIVE_VERSION,