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Revert r61969 which added casts to Py_CHARMASK to avoid compiler warnings. 

Rather than sprinkle casts throughout the code, change Py_CHARMASK to
always cast it's result to an unsigned char.  This should ensure we
do the right thing when accessing an array with the result.
This commit is contained in:
Neal Norwitz 2008-03-28 04:58:51 +00:00
parent 36550bdde9
commit d183bdd6fb
6 changed files with 23 additions and 31 deletions
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2
Include/Python.h
View File

@ -148,7 +148,7 @@ PyAPI_FUNC(PyObject*) _Py_Mangle(PyObject *p, PyObject *name);
#ifdef __CHAR_UNSIGNED__
#define Py_CHARMASK(c) (c)
#else
#define Py_CHARMASK(c) ((c) & 0xff)
#define Py_CHARMASK(c) ((unsigned char)((c) & 0xff))
#endif
#include "pyfpe.h"

14
Include/bytes_methods.h
View File

@ -44,13 +44,13 @@ extern const char _Py_swapcase__doc__[];
extern const unsigned int _Py_ctype_table[256];
#define ISLOWER(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_LOWER)
#define ISUPPER(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_UPPER)
#define ISALPHA(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_ALPHA)
#define ISDIGIT(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_DIGIT)
#define ISXDIGIT(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_XDIGIT)
#define ISALNUM(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_ALNUM)
#define ISSPACE(c) (_Py_ctype_table[(unsigned)Py_CHARMASK(c)] & FLAG_SPACE)
#define ISLOWER(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_LOWER)
#define ISUPPER(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_UPPER)
#define ISALPHA(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_ALPHA)
#define ISDIGIT(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_DIGIT)
#define ISXDIGIT(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_XDIGIT)
#define ISALNUM(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_ALNUM)
#define ISSPACE(c) (_Py_ctype_table[Py_CHARMASK(c)] & FLAG_SPACE)
#undef islower
#define islower(c) undefined_islower(c)

10
Objects/longobject.c
View File

@ -1397,7 +1397,7 @@ long_from_binary_base(char **str, int base)
n >>= 1;
/* n <- total # of bits needed, while setting p to end-of-string */
n = 0;
while (_PyLong_DigitValue[(unsigned)Py_CHARMASK(*p)] < base)
while (_PyLong_DigitValue[Py_CHARMASK(*p)] < base)
++p;
*str = p;
/* n <- # of Python digits needed, = ceiling(n/PyLong_SHIFT). */
@ -1418,7 +1418,7 @@ long_from_binary_base(char **str, int base)
bits_in_accum = 0;
pdigit = z->ob_digit;
while (--p >= start) {
int k = _PyLong_DigitValue[(unsigned)Py_CHARMASK(*p)];
int k = _PyLong_DigitValue[Py_CHARMASK(*p)];
assert(k >= 0 && k < base);
accum |= (twodigits)(k << bits_in_accum);
bits_in_accum += bits_per_char;
@ -1609,7 +1609,7 @@ digit beyond the first.
/* Find length of the string of numeric characters. */
scan = str;
while (_PyLong_DigitValue[(unsigned)Py_CHARMASK(*scan)] < base)
while (_PyLong_DigitValue[Py_CHARMASK(*scan)] < base)
++scan;
/* Create a long object that can contain the largest possible
@ -1635,10 +1635,10 @@ digit beyond the first.
/* Work ;-) */
while (str < scan) {
/* grab up to convwidth digits from the input string */
c = (digit)_PyLong_DigitValue[(unsigned)Py_CHARMASK(*str++)];
c = (digit)_PyLong_DigitValue[Py_CHARMASK(*str++)];
for (i = 1; i < convwidth && str != scan; ++i, ++str) {
c = (twodigits)(c * base +
_PyLong_DigitValue[(unsigned)Py_CHARMASK(*str)]);
_PyLong_DigitValue[Py_CHARMASK(*str)]);
assert(c < PyLong_BASE);
}

4
Objects/unicodeobject.c
View File

@ -480,13 +480,13 @@ PyObject *PyUnicode_FromStringAndSize(const char *u, Py_ssize_t size)
/* Single characters are shared when using this constructor.
Restrict to ASCII, since the input must be UTF-8. */
if (size == 1 && Py_CHARMASK(*u) < 128) {
unicode = unicode_latin1[(unsigned)Py_CHARMASK(*u)];
unicode = unicode_latin1[Py_CHARMASK(*u)];
if (!unicode) {
unicode = _PyUnicode_New(1);
if (!unicode)
return NULL;
unicode->str[0] = Py_CHARMASK(*u);
unicode_latin1[(unsigned)Py_CHARMASK(*u)] = unicode;
unicode_latin1[Py_CHARMASK(*u)] = unicode;
}
Py_INCREF(unicode);
return (PyObject *)unicode;

8
Parser/tokenizer.c
View File

@ -27,14 +27,6 @@ extern char *PyOS_Readline(FILE *, FILE *, char *);
/* Don't ever change this -- it would break the portability of Python code */
#define TABSIZE 8
/* Convert a possibly signed character to a nonnegative int */
/* XXX This assumes characters are 8 bits wide */
#ifdef __CHAR_UNSIGNED__
#define Py_CHARMASK(c) (c)
#else
#define Py_CHARMASK(c) ((c) & 0xff)
#endif
/* Forward */
static struct tok_state *tok_new(void);
static int tok_nextc(struct tok_state *tok);

16
Python/mystrtoul.c
View File

@ -109,7 +109,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
++str;
if (*str == 'x' || *str == 'X') {
/* there must be at least one digit after 0x */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 16) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
if (ptr)
*ptr = str;
return 0;
@ -118,7 +118,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
base = 16;
} else if (*str == 'o' || *str == 'O') {
/* there must be at least one digit after 0o */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 8) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
if (ptr)
*ptr = str;
return 0;
@ -127,7 +127,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
base = 8;
} else if (*str == 'b' || *str == 'B') {
/* there must be at least one digit after 0b */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 2) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
if (ptr)
*ptr = str;
return 0;
@ -147,7 +147,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
++str;
if (*str == 'b' || *str == 'B') {
/* there must be at least one digit after 0b */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 2) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 2) {
if (ptr)
*ptr = str;
return 0;
@ -162,7 +162,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
++str;
if (*str == 'o' || *str == 'O') {
/* there must be at least one digit after 0o */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 8) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 8) {
if (ptr)
*ptr = str;
return 0;
@ -177,7 +177,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
++str;
if (*str == 'x' || *str == 'X') {
/* there must be at least one digit after 0x */
if (_PyLong_DigitValue[(unsigned)Py_CHARMASK(str[1])] >= 16) {
if (_PyLong_DigitValue[Py_CHARMASK(str[1])] >= 16) {
if (ptr)
*ptr = str;
return 0;
@ -203,7 +203,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
ovlimit = digitlimit[base];
/* do the conversion until non-digit character encountered */
while ((c = _PyLong_DigitValue[(unsigned)Py_CHARMASK(*str)]) < base) {
while ((c = _PyLong_DigitValue[Py_CHARMASK(*str)]) < base) {
if (ovlimit > 0) /* no overflow check required */
result = result * base + c;
else { /* requires overflow check */
@ -240,7 +240,7 @@ PyOS_strtoul(register char *str, char **ptr, int base)
overflowed:
if (ptr) {
/* spool through remaining digit characters */
while (_PyLong_DigitValue[(unsigned)Py_CHARMASK(*str)] < base)
while (_PyLong_DigitValue[Py_CHARMASK(*str)] < base)
++str;
*ptr = str;
}