From 7f642b8ff7220914f3636e3cb3ec0fbf59bebb6f Mon Sep 17 00:00:00 2001
From: Vladimir Rachkin <vova@kpnn.ru>
Date: Wed, 11 Dec 2024 11:41:30 +0300
Subject: [PATCH] Adapt some casts for "soft" error handling

---
 src/backend/utils/adt/int.c      |  4 ++--
 src/backend/utils/adt/numutils.c | 18 ++++++++++++------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/src/backend/utils/adt/int.c b/src/backend/utils/adt/int.c
index b8f56e5c2e1..705b550523b 100644
--- a/src/backend/utils/adt/int.c
+++ b/src/backend/utils/adt/int.c
@@ -282,7 +282,7 @@ int4in(PG_FUNCTION_ARGS)
 {
 	char	   *num = PG_GETARG_CSTRING(0);
 
-	PG_RETURN_INT32(pg_atoi(num, sizeof(int32), '\0'));
+	PG_RETURN_INT32(pg_atoi_safe(num, sizeof(int32), '\0', fcinfo->context));
 }
 
 /*
@@ -344,7 +344,7 @@ i4toi2(PG_FUNCTION_ARGS)
 	int32		arg1 = PG_GETARG_INT32(0);
 
 	if (arg1 < SHRT_MIN || arg1 > SHRT_MAX)
-		ereport(ERROR,
+		ereturn(fcinfo->context, 0,
 				(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
 				 errmsg("smallint out of range")));
 
diff --git a/src/backend/utils/adt/numutils.c b/src/backend/utils/adt/numutils.c
index ca5a8a576cb..e5274d4cf06 100644
--- a/src/backend/utils/adt/numutils.c
+++ b/src/backend/utils/adt/numutils.c
@@ -35,6 +35,12 @@
  */
 int32
 pg_atoi(char *s, int size, int c)
+{
+	return pg_atoi_safe(s, size, c, NULL);
+}
+
+int32
+pg_atoi_safe(char *s, int size, int c, Node *escontext)
 {
 	long		l;
 	char	   *badp;
@@ -46,7 +52,7 @@ pg_atoi(char *s, int size, int c)
 	if (s == NULL)
 		elog(ERROR, "NULL pointer");
 	if (*s == 0)
-		ereport(ERROR,
+		ereturn(escontext, 0,
 				(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				 errmsg("invalid input syntax for integer: \"%s\"",
 						s)));
@@ -56,7 +62,7 @@ pg_atoi(char *s, int size, int c)
 
 	/* We made no progress parsing the string, so bail out */
 	if (s == badp)
-		ereport(ERROR,
+		ereturn(escontext, 0,
 				(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				 errmsg("invalid input syntax for integer: \"%s\"",
 						s)));
@@ -70,19 +76,19 @@ pg_atoi(char *s, int size, int c)
 				|| l < INT_MIN || l > INT_MAX
 #endif
 				)
-				ereport(ERROR,
+				ereturn(escontext, 0,
 						(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
 				errmsg("value \"%s\" is out of range for type integer", s)));
 			break;
 		case sizeof(int16):
 			if (errno == ERANGE || l < SHRT_MIN || l > SHRT_MAX)
-				ereport(ERROR,
+				ereturn(escontext, 0,
 						(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
 				errmsg("value \"%s\" is out of range for type smallint", s)));
 			break;
 		case sizeof(int8):
 			if (errno == ERANGE || l < SCHAR_MIN || l > SCHAR_MAX)
-				ereport(ERROR,
+				ereturn(escontext, 0,
 						(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
 				errmsg("value \"%s\" is out of range for 8-bit integer", s)));
 			break;
@@ -98,7 +104,7 @@ pg_atoi(char *s, int size, int c)
 		badp++;
 
 	if (*badp && *badp != c)
-		ereport(ERROR,
+		ereturn(escontext, 0,
 				(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
 				 errmsg("invalid input syntax for integer: \"%s\"",
 						s)));