(string, from, to))
{
Charcount ccfr, ccto;
- Bytecount bfr, bto;
+ Bytecount bfr, blen;
Lisp_Object val;
CHECK_STRING (string);
get_string_range_char (string, from, to, &ccfr, &ccto,
GB_HISTORICAL_STRING_BEHAVIOR);
bfr = charcount_to_bytecount (XSTRING_DATA (string), ccfr);
- bto = charcount_to_bytecount (XSTRING_DATA (string), ccto);
- val = make_string (XSTRING_DATA (string) + bfr, bto - bfr);
+ blen = charcount_to_bytecount (XSTRING_DATA (string) + bfr, ccto - ccfr);
+ val = make_string (XSTRING_DATA (string) + bfr, blen);
/* Copy any applicable extent information into the new string: */
- copy_string_extents (val, string, 0, bfr, bto - bfr);
+ copy_string_extents (val, string, 0, bfr, blen);
return val;
}
(object, propname, value))
{
CHECK_SYMBOL (propname);
- CHECK_IMPURE (object);
+ CHECK_LISP_WRITEABLE (object);
if (SYMBOLP (object))
symbol_putprop (object, propname, value);
int retval = 0;
CHECK_SYMBOL (propname);
- CHECK_IMPURE (object);
+ CHECK_LISP_WRITEABLE (object);
if (SYMBOLP (object))
retval = symbol_remprop (object, propname);
{
if (depth > 200)
error ("Stack overflow in equal");
-#ifndef LRECORD_CONS
- do_cdr:
-#endif
QUIT;
if (EQ_WITH_EBOLA_NOTICE (obj1, obj2))
return 1;
/* Note that (equal 20 20.0) should be nil */
if (XTYPE (obj1) != XTYPE (obj2))
return 0;
-#ifndef LRECORD_CONS
- if (CONSP (obj1))
- {
- if (!internal_equal (XCAR (obj1), XCAR (obj2), depth + 1))
- return 0;
- obj1 = XCDR (obj1);
- obj2 = XCDR (obj2);
- goto do_cdr;
- }
-#endif
-#ifndef LRECORD_VECTOR
- if (VECTORP (obj1))
- {
- Lisp_Object *v1 = XVECTOR_DATA (obj1);
- Lisp_Object *v2 = XVECTOR_DATA (obj2);
- int len = XVECTOR_LENGTH (obj1);
- if (len != XVECTOR_LENGTH (obj2))
- return 0;
- while (len--)
- if (!internal_equal (*v1++, *v2++, depth + 1))
- return 0;
- return 1;
- }
-#endif
-#ifndef LRECORD_STRING
- if (STRINGP (obj1))
- {
- Bytecount len;
- return (((len = XSTRING_LENGTH (obj1)) == XSTRING_LENGTH (obj2)) &&
- !memcmp (XSTRING_DATA (obj1), XSTRING_DATA (obj2), len));
- }
-#endif
if (LRECORDP (obj1))
{
CONST struct lrecord_implementation
{
if (depth > 200)
error ("Stack overflow in equal");
-#ifndef LRECORD_CONS
- do_cdr:
-#endif
QUIT;
if (HACKEQ_UNSAFE (obj1, obj2))
return 1;
/* Note that (equal 20 20.0) should be nil */
if (XTYPE (obj1) != XTYPE (obj2))
return 0;
-#ifndef LRECORD_CONS
- if (CONSP (obj1))
- {
- if (!internal_old_equal (XCAR (obj1), XCAR (obj2), depth + 1))
- return 0;
- obj1 = XCDR (obj1);
- obj2 = XCDR (obj2);
- goto do_cdr;
- }
-#endif
-#ifndef LRECORD_VECTOR
- if (VECTORP (obj1))
- {
- Lisp_Object *v1 = XVECTOR_DATA (obj1);
- Lisp_Object *v2 = XVECTOR_DATA (obj2);
- int len = XVECTOR_LENGTH (obj1);
- if (len != XVECTOR_LENGTH (obj2))
- return 0;
- while (len--)
- if (!internal_old_equal (*v1++, *v2++, depth + 1))
- return 0;
- return 1;
- }
-#endif
return internal_equal (obj1, obj2, depth);
}
Charcount len = string_char_length (s);
Charcount i;
CHECK_CHAR_COERCE_INT (item);
- CHECK_IMPURE (array);
+ CHECK_LISP_WRITEABLE (array);
charval = XCHAR (item);
for (i = 0; i < len; i++)
set_string_char (s, i, charval);
{
Lisp_Object *p = XVECTOR_DATA (array);
int len = XVECTOR_LENGTH (array);
- CHECK_IMPURE (array);
+ CHECK_LISP_WRITEABLE (array);
while (len--)
*p++ = item;
}
int len = bit_vector_length (v);
int bit;
CHECK_BIT (item);
- CHECK_IMPURE (array);
+ CHECK_LISP_WRITEABLE (array);
bit = XINT (item);
while (len--)
set_bit_vector_bit (v, len, bit);
base64 characters. */
#define ADVANCE_INPUT(c, stream) \
- (ec = Lstream_get_emchar (stream), \
- ec == -1 ? 0 : \
+ ((ec = Lstream_get_emchar (stream)) == -1 ? 0 : \
((ec > 255) ? \
- (error ("Non-ascii character detected in base64 input"), 0) \
- : (c = (Bufbyte)ec, 1)))
+ (signal_simple_error ("Non-ascii character in base64 input", \
+ make_char (ec)), 0) \
+ : (c = (Bufbyte)ec), 1))
static Bytind
base64_encode_1 (Lstream *istream, Bufbyte *to, int line_break)
}
#undef ADVANCE_INPUT
+/* Semantically identical to ADVANCE_INPUT above, only no >255
+ checking is needed for decoding -- checking is covered by IS_BASE64
+ below. */
#define ADVANCE_INPUT(c, stream) \
(ec = Lstream_get_emchar (stream), \
ec == -1 ? 0 : (c = (Bufbyte)ec, 1))
-#define INPUT_EOF_P(stream) \
- (ADVANCE_INPUT (c2, stream) \
- ? (Lstream_unget_emchar (stream, (Emchar)c2), 0) \
- : 1)
+/* Get next character from the stream, but ignore it if it's
+ whitespace. ENDP is set to 1 if EOF is hit. */
+#define ADVANCE_INPUT_IGNORE_WHITESPACE(c, endp, stream) do { \
+ endp = 0; \
+ do { \
+ if (!ADVANCE_INPUT (c, stream)) \
+ endp = 1; \
+ } while (!endp && (c == ' ' || c == '\t' || c == '\r' || c == '\n' \
+ || c == '\f' || c == '\v')); \
+} while (0)
#define STORE_BYTE(pos, val) do { \
pos += set_charptr_emchar (pos, (Emchar)((unsigned char)(val))); \
static Bytind
base64_decode_1 (Lstream *istream, Bufbyte *to, Charcount *ccptr)
{
- EMACS_INT counter = 0;
- Emchar ec;
Bufbyte *e = to;
unsigned long value;
*ccptr = 0;
while (1)
{
- Bufbyte c, c2;
+ Bufbyte c;
+ Emchar ec;
+ int endp;
- if (!ADVANCE_INPUT (c, istream))
+ ADVANCE_INPUT_IGNORE_WHITESPACE (c, endp, istream);
+ if (endp)
break;
- /* Accept wrapping lines, reversibly if at each 76 characters. */
- if (c == '\n')
- {
- if (!ADVANCE_INPUT (c, istream))
- break;
- if (INPUT_EOF_P (istream))
- break;
- /* FSF Emacs has this check, apparently inherited from
- recode. However, I see no reason to be this picky about
- line length -- why reject base64 with say 72-byte lines?
- (yes, there are programs that generate them.) */
- /*if (counter != MIME_LINE_LENGTH / 4) return -1;*/
- counter = 1;
- }
- else
- counter++;
-
/* Process first byte of a quadruplet. */
if (!IS_BASE64 (c))
return -1;
value = base64_char_to_value[c] << 18;
/* Process second byte of a quadruplet. */
- if (!ADVANCE_INPUT (c, istream))
+ ADVANCE_INPUT_IGNORE_WHITESPACE (c, endp, istream);
+ if (endp)
return -1;
if (!IS_BASE64 (c))
STORE_BYTE (e, value >> 16);
/* Process third byte of a quadruplet. */
- if (!ADVANCE_INPUT (c, istream))
+ ADVANCE_INPUT_IGNORE_WHITESPACE (c, endp, istream);
+ if (endp)
return -1;
if (c == '=')
{
- if (!ADVANCE_INPUT (c, istream))
+ ADVANCE_INPUT_IGNORE_WHITESPACE (c, endp, istream);
+ if (endp)
return -1;
if (c != '=')
return -1;
STORE_BYTE (e, 0xff & value >> 8);
/* Process fourth byte of a quadruplet. */
- if (!ADVANCE_INPUT (c, istream))
+ ADVANCE_INPUT_IGNORE_WHITESPACE (c, endp, istream);
+ if (endp)
return -1;
if (c == '=')
return e - to;
}
#undef ADVANCE_INPUT
-#undef INPUT_EOF_P
+#undef ADVANCE_INPUT_IGNORE_WHITESPACE
+#undef STORE_BYTE
static Lisp_Object
free_malloced_ptr (Lisp_Object unwind_obj)
Used by `featurep' and `require', and altered by `provide'.
*/ );
Vfeatures = Qnil;
+
+ Fprovide (intern ("base64"));
}
projects / chise / xemacs-chise.git.1 / blobdiff