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I have added these macros to c.h:

Browse Source 
#define HIGHBIT                 (0x80)
        #define IS_HIGHBIT_SET(ch)      ((unsigned char)(ch) & HIGHBIT)

and removed CSIGNBIT and mapped it uses to HIGHBIT.  I have also added
uses for IS_HIGHBIT_SET where appropriate.  This change is
purely for code clarity.
This commit is contained in:
Bruce Momjian
2005-12-25 02:14:19 +00:00
parent a4d69a410d
commit 261114a23f
13 changed files with 55 additions and 55 deletions
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14
src/port/pgstrcasecmp.c
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@ -16,7 +16,7 @@
*
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/port/pgstrcasecmp.c,v 1.5 2004/12/31 22:03:53 pgsql Exp $
* $PostgreSQL: pgsql/src/port/pgstrcasecmp.c,v 1.6 2005/12/25 02:14:19 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -40,12 +40,12 @@ pg_strcasecmp(const char *s1, const char *s2)
{
if (ch1 >= 'A' && ch1 <= 'Z')
ch1 += 'a' - 'A';
else if (ch1 >= 0x80 && isupper(ch1))
else if (IS_HIGHBIT_SET(ch1) && isupper(ch1))
ch1 = tolower(ch1);
if (ch2 >= 'A' && ch2 <= 'Z')
ch2 += 'a' - 'A';
else if (ch2 >= 0x80 && isupper(ch2))
else if (IS_HIGHBIT_SET(ch2) && isupper(ch2))
ch2 = tolower(ch2);
if (ch1 != ch2)
@ -73,12 +73,12 @@ pg_strncasecmp(const char *s1, const char *s2, size_t n)
{
if (ch1 >= 'A' && ch1 <= 'Z')
ch1 += 'a' - 'A';
else if (ch1 >= 0x80 && isupper(ch1))
else if (IS_HIGHBIT_SET(ch1) && isupper(ch1))
ch1 = tolower(ch1);
if (ch2 >= 'A' && ch2 <= 'Z')
ch2 += 'a' - 'A';
else if (ch2 >= 0x80 && isupper(ch2))
else if (IS_HIGHBIT_SET(ch2) && isupper(ch2))
ch2 = tolower(ch2);
if (ch1 != ch2)
@ -102,7 +102,7 @@ pg_toupper(unsigned char ch)
{
if (ch >= 'a' && ch <= 'z')
ch += 'A' - 'a';
else if (ch >= 0x80 && islower(ch))
else if (IS_HIGHBIT_SET(ch) && islower(ch))
ch = toupper(ch);
return ch;
}
@ -119,7 +119,7 @@ pg_tolower(unsigned char ch)
{
if (ch >= 'A' && ch <= 'Z')
ch += 'a' - 'A';
else if (ch >= 0x80 && isupper(ch))
else if (IS_HIGHBIT_SET(ch) && isupper(ch))
ch = tolower(ch);
return ch;
}