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Use "do...while (0)", not "if (1)..else" in macro definitions.

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This commit is contained in:
Jan Djärv 2008-02-07 12:55:00 +00:00
parent 92413ef3a1
commit a1c2ac9a20
2 changed files with 15 additions and 10 deletions
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5
src/ChangeLog
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@ -7,6 +7,11 @@
* syntax.h (SETUP_SYNTAX_TABLE):
(SETUP_SYNTAX_TABLE_FOR_OBJECT): Likewise.
* buffer.h (DECODE_POSITION): Likewise.
* character.h (FETCH_STRING_CHAR_ADVANCE): Likewise.
(FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE): Likewise.
(FETCH_STRING_CHAR_ADVANCE_NO_CHECK): Likewise.
(FETCH_CHAR_ADVANCE): Likewise.
(FETCH_CHAR_ADVANCE_NO_CHECK): Likewise.
2008-02-07 Jim Meyering <meyering@redhat.com>

20
src/character.h
View file

@ -380,7 +380,7 @@ extern char unibyte_has_multibyte_table[256];
we increment them past the character fetched. */
#define FETCH_STRING_CHAR_ADVANCE(OUTPUT, STRING, CHARIDX, BYTEIDX) \
if (1) \
do \
{ \
CHARIDX++; \
if (STRING_MULTIBYTE (STRING)) \
@ -394,13 +394,13 @@ extern char unibyte_has_multibyte_table[256];
else \
OUTPUT = XSTRING (STRING)->data[BYTEIDX++]; \
} \
else
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but return a multibyte character eve
if STRING is unibyte. */
#define FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE(OUTPUT, STRING, CHARIDX, BYTEIDX) \
if (1) \
do \
{ \
CHARIDX++; \
if (STRING_MULTIBYTE (STRING)) \
@ -417,13 +417,13 @@ extern char unibyte_has_multibyte_table[256];
MAKE_CHAR_MULTIBYTE (OUTPUT); \
} \
} \
else
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but assumes STRING is multibyte. */
#define FETCH_STRING_CHAR_ADVANCE_NO_CHECK(OUTPUT, STRING, CHARIDX, BYTEIDX) \
if (1) \
do \
{ \
unsigned char *ptr = &XSTRING (STRING)->data[BYTEIDX]; \
int len; \
@ -432,14 +432,14 @@ extern char unibyte_has_multibyte_table[256];
BYTEIDX += len; \
CHARIDX++; \
} \
else
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but fetch character from the current
buffer. */
#define FETCH_CHAR_ADVANCE(OUTPUT, CHARIDX, BYTEIDX) \
if (1) \
do \
{ \
CHARIDX++; \
if (!NILP (current_buffer->enable_multibyte_characters)) \
@ -456,13 +456,13 @@ extern char unibyte_has_multibyte_table[256];
BYTEIDX++; \
} \
} \
else
while (0)
/* Like FETCH_CHAR_ADVANCE but assumes the current buffer is multibyte. */
#define FETCH_CHAR_ADVANCE_NO_CHECK(OUTPUT, CHARIDX, BYTEIDX) \
if (1) \
do \
{ \
unsigned char *ptr = BYTE_POS_ADDR (BYTEIDX); \
int len; \
@ -471,7 +471,7 @@ extern char unibyte_has_multibyte_table[256];
BYTEIDX += len; \
CHARIDX++; \
} \
else
while (0)
/* Increase the buffer byte position POS_BYTE of the current buffer to