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Code

Fix for text_lt/text_le to avoid warnings if not def USE_LOCALE.

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This commit is contained in:
Vadim B. Mikheev 1997-04-21 04:31:53 +00:00
parent 42e72503a1
commit 9f42a56a02
1 changed files with 31 additions and 31 deletions
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62
src/backend/utils/adt/varlena.c
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@ -7,7 +7,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.13 1997/04/09 08:29:35 scrappy Exp $ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varlena.c,v 1.14 1997/04/21 04:31:53 vadim Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -288,21 +288,19 @@ textne(struct varlena *arg1, struct varlena *arg2)
/* text_lt() /* text_lt()
* Comparison function for text strings. * Comparison function for text strings.
* Includes locale support, but must copy strings to temporary memory * Includes locale support, but must copy strings to temporary memory
* to allow null-termination for inputs to strcoll(). * to allow null-termination for inputs to strcoll().
* XXX HACK code for textlen() indicates that there can be embedded nulls
* but it appears that most routines (incl. this one) assume not! - tgl 97/04/07
*/ */
bool bool
text_lt(struct varlena *arg1, struct varlena *arg2) text_lt(struct varlena *arg1, struct varlena *arg2)
{ {
bool result;
int cval;
int len; int len;
#ifdef UNSIGNED_CHAR_TEXT #ifdef UNSIGNED_CHAR_TEXT
unsigned unsigned
#endif #endif
char *a1p, *a2p; char *a1p, *a2p;
#ifdef USE_LOCALE
int cval;
#endif
if (arg1 == NULL || arg2 == NULL) if (arg1 == NULL || arg2 == NULL)
return((bool) FALSE); return((bool) FALSE);
@ -310,11 +308,9 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
len = (((VARSIZE(arg1) <= VARSIZE(arg2))? VARSIZE(arg1): VARSIZE(arg2))-VARHDRSZ); len = (((VARSIZE(arg1) <= VARSIZE(arg2))? VARSIZE(arg1): VARSIZE(arg2))-VARHDRSZ);
#ifdef USE_LOCALE #ifdef USE_LOCALE
if (!PointerIsValid(a1p = PALLOC(len+1))
|| !PointerIsValid(a2p = PALLOC(len+1))) { a1p = palloc (len+1);
elog(WARN,"Unable to allocate memory for text comparison",NULL); a2p = palloc (len+1);
return(FALSE);
};
memcpy(a1p, VARDATA(arg1), len); memcpy(a1p, VARDATA(arg1), len);
*(a1p+len) = '\0'; *(a1p+len) = '\0';
@ -322,13 +318,15 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
*(a2p+len) = '\0'; *(a2p+len) = '\0';
cval = strcoll(a1p,a2p); cval = strcoll(a1p,a2p);
result = ((cval < 0) || ((cval == 0) && (VARSIZE(arg1) < VARSIZE(arg2))));
pfree (a1p);
pfree (a2p);
PFREE(a1p); return((bool) ( (cval < 0) ||
PFREE(a2p); ( (cval == 0) && (VARSIZE(arg1) < VARSIZE(arg2)) ) ) );
return(result);
#else #else
a1p = (unsigned char *)VARDATA(arg1); a1p = (unsigned char *)VARDATA(arg1);
a2p = (unsigned char *)VARDATA(arg2); a2p = (unsigned char *)VARDATA(arg2);
@ -338,27 +336,27 @@ text_lt(struct varlena *arg1, struct varlena *arg2)
len--; len--;
}; };
return((bool) (len? (*a1p < *a2p): (VARSIZE(arg1) < VARSIZE(arg2)))); return((bool) (len? (*a1p < *a2p): (VARSIZE(arg1) < VARSIZE(arg2))));
#endif #endif
} /* text_lt() */ } /* text_lt() */
/* text_le() /* text_le()
* Comparison function for text strings. * Comparison function for text strings.
* Includes locale support, but must copy strings to temporary memory * Includes locale support, but must copy strings to temporary memory
* to allow null-termination for inputs to strcoll(). * to allow null-termination for inputs to strcoll().
* XXX HACK code for textlen() indicates that there can be embedded nulls
* but it appears that most routines (incl. this one) assume not! - tgl 97/04/07
*/ */
bool bool
text_le(struct varlena *arg1, struct varlena *arg2) text_le(struct varlena *arg1, struct varlena *arg2)
{ {
bool result;
int cval;
int len; int len;
#ifdef UNSIGNED_CHAR_TEXT #ifdef UNSIGNED_CHAR_TEXT
unsigned unsigned
#endif #endif
char *a1p, *a2p; char *a1p, *a2p;
#ifdef USE_LOCALE
int cval;
#endif
if (arg1 == NULL || arg2 == NULL) if (arg1 == NULL || arg2 == NULL)
return((bool) 0); return((bool) 0);
@ -366,11 +364,9 @@ text_le(struct varlena *arg1, struct varlena *arg2)
len = (((VARSIZE(arg1) <= VARSIZE(arg2))? VARSIZE(arg1): VARSIZE(arg2))-VARHDRSZ); len = (((VARSIZE(arg1) <= VARSIZE(arg2))? VARSIZE(arg1): VARSIZE(arg2))-VARHDRSZ);
#ifdef USE_LOCALE #ifdef USE_LOCALE
if (!PointerIsValid(a1p = PALLOC(len+1))
|| !PointerIsValid(a2p = PALLOC(len+1))) { a1p = palloc (len+1);
elog(WARN,"Unable to allocate memory for text comparison",NULL); a2p = palloc (len+1);
return(FALSE);
};
memcpy(a1p, VARDATA(arg1), len); memcpy(a1p, VARDATA(arg1), len);
*(a1p+len) = '\0'; *(a1p+len) = '\0';
@ -378,13 +374,15 @@ text_le(struct varlena *arg1, struct varlena *arg2)
*(a2p+len) = '\0'; *(a2p+len) = '\0';
cval = strcoll(a1p,a2p); cval = strcoll(a1p,a2p);
result = ((cval < 0) || ((cval == 0) && (VARSIZE(arg1) <= VARSIZE(arg2))));
pfree (a1p);
pfree (a2p);
PFREE(a1p); return ((bool) ( (cval < 0) ||
PFREE(a2p); ( (cval == 0) && (VARSIZE(arg1) <= VARSIZE(arg2)) ) ) );
return(result);
#else #else
a1p = (unsigned char *)VARDATA(arg1); a1p = (unsigned char *)VARDATA(arg1);
a2p = (unsigned char *)VARDATA(arg2); a2p = (unsigned char *)VARDATA(arg2);
@ -395,7 +393,9 @@ text_le(struct varlena *arg1, struct varlena *arg2)
}; };
return((bool) (len? (*a1p <= *a2p): (VARSIZE(arg1) <= VARSIZE(arg2)))); return((bool) (len? (*a1p <= *a2p): (VARSIZE(arg1) <= VARSIZE(arg2))));
#endif #endif
} /* text_le() */ } /* text_le() */
bool bool