diff options
Diffstat (limited to 'src/backend/utils/adt/varbit.c')
| -rw-r--r-- | src/backend/utils/adt/varbit.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/backend/utils/adt/varbit.c b/src/backend/utils/adt/varbit.c index 715a99863fd..ebfba2e1dd7 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 - * $Header: /cvsroot/pgsql/src/backend/utils/adt/varbit.c,v 1.26 2002/09/18 21:35:23 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/varbit.c,v 1.26.2.1 2007/08/21 02:40:40 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -390,8 +390,9 @@ varbit_out(PG_FUNCTION_ARGS) result = (char *) palloc(len + 1); sp = VARBITS(s); r = result; - for (i = 0; i < len - BITS_PER_BYTE; i += BITS_PER_BYTE, sp++) + for (i = 0; i <= len - BITS_PER_BYTE; i += BITS_PER_BYTE, sp++) { + /* print full bytes */ x = *sp; for (k = 0; k < BITS_PER_BYTE; k++) { @@ -399,11 +400,15 @@ varbit_out(PG_FUNCTION_ARGS) x <<= 1; } } - x = *sp; - for (k = i; k < len; k++) + if (i < len) { - *r++ = (x & BITHIGH) ? '1' : '0'; - x <<= 1; + /* print the last partial byte */ + x = *sp; + for (k = i; k < len; k++) + { + *r++ = (x & BITHIGH) ? '1' : '0'; + x <<= 1; + } } *r = '\0'; |