Add const qualifiers to varstr_cmp() parameters

Nikita Glukhov · Nikita Glukhov · commit 298493547b62 · 2017-05-02T21:38:28.000+03:00
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
@@ -1379,7 +1379,7 @@ text_position_cleanup(TextPositionState *state)
  * whether arg1 is less than, equal to, or greater than arg2.
  */
 int
-varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid)
+varstr_cmp(const char *arg1, int len1, const char *arg2, int len2, Oid collid)
 {
 	int			result;
 
diff --git a/src/include/utils/varlena.h b/src/include/utils/varlena.h
@@ -16,7 +16,8 @@
 #include "nodes/pg_list.h"
 #include "utils/sortsupport.h"
 
-extern int	varstr_cmp(char *arg1, int len1, char *arg2, int len2, Oid collid);
+extern int	varstr_cmp(const char *arg1, int len1, const char *arg2, int len2,
+					   Oid collid);
 extern void varstr_sortsupport(SortSupport ssup, Oid collid, bool bpchar);
 extern int varstr_levenshtein(const char *source, int slen,
 				   const char *target, int tlen,

Original file line number	Diff line number	Diff line change
`@@ -1379,7 +1379,7 @@ text_position_cleanup(TextPositionState *state)`
`1379`	`1379`	`* whether arg1 is less than, equal to, or greater than arg2.`
`1380`	`1380`	`*/`
`1381`	`1381`	`int`
`1382`		`-varstr_cmp(char arg1, int len1, char arg2, int len2, Oid collid)`
	`1382`	`+varstr_cmp(const char arg1, int len1, const char arg2, int len2, Oid collid)`
`1383`	`1383`	`{`
`1384`	`1384`	`int result;`
`1385`	`1385`