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 3126bd689cb..b6ab6bb1e7f 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 1.54 2007/06/15 20:56:51 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/varbit.c,v 1.55 2007/08/21 02:40:06 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -537,8 +537,9 @@ 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++) { @@ -546,11 +547,15 @@ varbit_out(PG_FUNCTION_ARGS) x <<= 1; } } - x = *sp; - for (k = i; k < len; k++) + if (i < len) { - *r++ = IS_HIGHBIT_SET(x) ? '1' : '0'; - x <<= 1; + /* print the last partial byte */ + x = *sp; + for (k = i; k < len; k++) + { + *r++ = IS_HIGHBIT_SET(x) ? '1' : '0'; + x <<= 1; + } } *r = '\0'; |