aboutsummaryrefslogtreecommitdiff
path: root/src/backend/utils/adt/varchar.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/utils/adt/varchar.c')
-rw-r--r--src/backend/utils/adt/varchar.c62
1 files changed, 31 insertions, 31 deletions
diff --git a/src/backend/utils/adt/varchar.c b/src/backend/utils/adt/varchar.c
index 9b2f4129c8b..1661f08cd8a 100644
--- a/src/backend/utils/adt/varchar.c
+++ b/src/backend/utils/adt/varchar.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.11 1997/10/25 01:10:50 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.12 1997/12/06 22:57:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -46,7 +46,7 @@
/*
* bpcharin -
* converts a string of char() type to the internal representation.
- * len is the length specified in () plus 4 bytes. (XXX dummy is here
+ * len is the length specified in () plus VARHDRSZ bytes. (XXX dummy is here
* because we pass typelem as the second argument for array_in.)
*/
char *
@@ -54,7 +54,7 @@ bpcharin(char *s, int dummy, int typlen)
{
char *result,
*r;
- int len = typlen - 4;
+ int len = typlen - VARHDRSZ;
int i;
if (s == NULL)
@@ -67,7 +67,7 @@ bpcharin(char *s, int dummy, int typlen)
* this is here because some functions can't supply the typlen
*/
len = strlen(s);
- typlen = len + 4;
+ typlen = len + VARHDRSZ;
}
if (len > 4096)
@@ -75,7 +75,7 @@ bpcharin(char *s, int dummy, int typlen)
result = (char *) palloc(typlen);
*(int32 *) result = typlen;
- r = result + 4;
+ r = result + VARHDRSZ;
for (i = 0; i < len; i++, r++, s++)
{
*r = *s;
@@ -104,9 +104,9 @@ bpcharout(char *s)
}
else
{
- len = *(int32 *) s - 4;
+ len = *(int32 *) s - VARHDRSZ;
result = (char *) palloc(len + 1);
- StrNCpy(result, s + 4, len+1); /* these are blank-padded */
+ StrNCpy(result, s + VARHDRSZ, len+1); /* these are blank-padded */
}
return (result);
}
@@ -118,14 +118,14 @@ bpcharout(char *s)
/*
* vcharin -
* converts a string of varchar() type to the internal representation.
- * len is the length specified in () plus 4 bytes. (XXX dummy is here
+ * len is the length specified in () plus VARHDRSZ bytes. (XXX dummy is here
* because we pass typelem as the second argument for array_in.)
*/
char *
varcharin(char *s, int dummy, int typlen)
{
char *result;
- int len = typlen - 4;
+ int len = typlen - VARHDRSZ;
if (s == NULL)
return ((char *) NULL);
@@ -137,7 +137,7 @@ varcharin(char *s, int dummy, int typlen)
* this is here because some functions can't supply the typlen
*/
len = strlen(s);
- typlen = len + 4;
+ typlen = len + VARHDRSZ;
}
if (len > 4096)
@@ -145,7 +145,7 @@ varcharin(char *s, int dummy, int typlen)
result = (char *) palloc(typlen);
*(int32 *) result = typlen;
- strncpy(result + 4, s, len+1);
+ strncpy(result + VARHDRSZ, s, len+1);
return (result);
}
@@ -164,9 +164,9 @@ varcharout(char *s)
}
else
{
- len = *(int32 *) s - 4;
+ len = *(int32 *) s - VARHDRSZ;
result = (char *) palloc(len + 1);
- StrNCpy(result, s + 4, len+1);
+ StrNCpy(result, s + VARHDRSZ, len+1);
}
return (result);
}
@@ -178,11 +178,11 @@ varcharout(char *s)
static int
bcTruelen(char *arg)
{
- char *s = arg + 4;
+ char *s = arg + VARHDRSZ;
int i;
int len;
- len = *(int32 *) arg - 4;
+ len = *(int32 *) arg - VARHDRSZ;
for (i = len - 1; i >= 0; i--)
{
if (s[i] != ' ')
@@ -205,7 +205,7 @@ bpchareq(char *arg1, char *arg2)
if (len1 != len2)
return 0;
- return (strncmp(arg1 + 4, arg2 + 4, len1) == 0);
+ return (strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, len1) == 0);
}
bool
@@ -222,7 +222,7 @@ bpcharne(char *arg1, char *arg2)
if (len1 != len2)
return 1;
- return (strncmp(arg1 + 4, arg2 + 4, len1) != 0);
+ return (strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, len1) != 0);
}
bool
@@ -237,7 +237,7 @@ bpcharlt(char *arg1, char *arg2)
len1 = bcTruelen(arg1);
len2 = bcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (cmp == 0)
return (len1 < len2);
else
@@ -256,7 +256,7 @@ bpcharle(char *arg1, char *arg2)
len1 = bcTruelen(arg1);
len2 = bcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (0 == cmp)
return (bool) (len1 <= len2 ? 1 : 0);
else
@@ -275,7 +275,7 @@ bpchargt(char *arg1, char *arg2)
len1 = bcTruelen(arg1);
len2 = bcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (cmp == 0)
return (len1 > len2);
else
@@ -294,7 +294,7 @@ bpcharge(char *arg1, char *arg2)
len1 = bcTruelen(arg1);
len2 = bcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (0 == cmp)
return (bool) (len1 >= len2 ? 1 : 0);
else
@@ -311,7 +311,7 @@ bpcharcmp(char *arg1, char *arg2)
len1 = bcTruelen(arg1);
len2 = bcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if ((0 == cmp) && (len1 != len2))
return (int32) (len1 < len2 ? -1 : 1);
else
@@ -325,11 +325,11 @@ bpcharcmp(char *arg1, char *arg2)
static int
vcTruelen(char *arg)
{
- char *s = arg + 4;
+ char *s = arg + VARHDRSZ;
int i;
int len;
- len = *(int32 *) arg - 4;
+ len = *(int32 *) arg - VARHDRSZ;
for (i = 0; i < len; i++)
{
if (*s++ == '\0')
@@ -352,7 +352,7 @@ varchareq(char *arg1, char *arg2)
if (len1 != len2)
return 0;
- return (strncmp(arg1 + 4, arg2 + 4, len1) == 0);
+ return (strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, len1) == 0);
}
bool
@@ -369,7 +369,7 @@ varcharne(char *arg1, char *arg2)
if (len1 != len2)
return 1;
- return (strncmp(arg1 + 4, arg2 + 4, len1) != 0);
+ return (strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, len1) != 0);
}
bool
@@ -384,7 +384,7 @@ varcharlt(char *arg1, char *arg2)
len1 = vcTruelen(arg1);
len2 = vcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (cmp == 0)
return (len1 < len2);
else
@@ -403,7 +403,7 @@ varcharle(char *arg1, char *arg2)
len1 = vcTruelen(arg1);
len2 = vcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (0 == cmp)
return (bool) (len1 <= len2 ? 1 : 0);
else
@@ -422,7 +422,7 @@ varchargt(char *arg1, char *arg2)
len1 = vcTruelen(arg1);
len2 = vcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (cmp == 0)
return (len1 > len2);
else
@@ -441,7 +441,7 @@ varcharge(char *arg1, char *arg2)
len1 = vcTruelen(arg1);
len2 = vcTruelen(arg2);
- cmp = strncmp(arg1 + 4, arg2 + 4, Min(len1, len2));
+ cmp = strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2));
if (0 == cmp)
return (bool) (len1 >= len2 ? 1 : 0);
else
@@ -458,7 +458,7 @@ varcharcmp(char *arg1, char *arg2)
len1 = vcTruelen(arg1);
len2 = vcTruelen(arg2);
- cmp = (strncmp(arg1 + 4, arg2 + 4, Min(len1, len2)));
+ cmp = (strncmp(arg1 + VARHDRSZ, arg2 + VARHDRSZ, Min(len1, len2)));
if ((0 == cmp) && (len1 != len2))
return (int32) (len1 < len2 ? -1 : 1);
else
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-23 12:32:33 +0000