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| author | Bruce Momjian <bruce@momjian.us> | 2005-12-25 02:14:19 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2005-12-25 02:14:19 +0000 |
| commit | 261114a23f51c3d35a50ac27f2f453c6767bfeff (patch) | |
| tree | be7be693d6fe6782a4f1535fa3b05cb2e76cb363 /src/backend/utils/adt/varbit.c | |
| parent | a4d69a410d9690340456c11dec5be1200ce760b7 (diff) | |
| download | postgresql-261114a23f51c3d35a50ac27f2f453c6767bfeff.tar.gz postgresql-261114a23f51c3d35a50ac27f2f453c6767bfeff.zip | |
I have added these macros to c.h:
#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.
Diffstat (limited to 'src/backend/utils/adt/varbit.c')
| -rw-r--r-- | src/backend/utils/adt/varbit.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/backend/utils/adt/varbit.c b/src/backend/utils/adt/varbit.c index 7dbbed16f69..8fb0e4186a0 100644 --- a/src/backend/utils/adt/varbit.c +++ b/src/backend/utils/adt/varbit.c @@ -9,7 +9,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/varbit.c,v 1.47 2005/10/15 02:49:30 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/varbit.c,v 1.48 2005/12/25 02:14:17 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -120,7 +120,7 @@ bit_in(PG_FUNCTION_ARGS) { /* Parse the bit representation of the string */ /* We know it fits, as bitlen was compared to atttypmod */ - x = BITHIGH; + x = HIGHBIT; for (; *sp; sp++) { if (*sp == '1') @@ -134,7 +134,7 @@ bit_in(PG_FUNCTION_ARGS) x >>= 1; if (x == 0) { - x = BITHIGH; + x = HIGHBIT; r++; } } @@ -401,7 +401,7 @@ varbit_in(PG_FUNCTION_ARGS) { /* Parse the bit representation of the string */ /* We know it fits, as bitlen was compared to atttypmod */ - x = BITHIGH; + x = HIGHBIT; for (; *sp; sp++) { if (*sp == '1') @@ -415,7 +415,7 @@ varbit_in(PG_FUNCTION_ARGS) x >>= 1; if (x == 0) { - x = BITHIGH; + x = HIGHBIT; r++; } } @@ -477,14 +477,14 @@ varbit_out(PG_FUNCTION_ARGS) x = *sp; for (k = 0; k < BITS_PER_BYTE; k++) { - *r++ = (x & BITHIGH) ? '1' : '0'; + *r++ = IS_HIGHBIT_SET(x) ? '1' : '0'; x <<= 1; } } x = *sp; for (k = i; k < len; k++) { - *r++ = (x & BITHIGH) ? '1' : '0'; + *r++ = IS_HIGHBIT_SET(x) ? '1' : '0'; x <<= 1; } *r = '\0'; |