From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Thu, 1 Sep 2005 15:34:31 +0000 (+0000)
Subject: Fix unportable uses of <ctype.h> functions.  Per Sergey Koposov.
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=9ad51ef3385951a745373366e40af95732b372aa;p=users%2Fbernd%2Fpostgres.git

Fix unportable uses of <ctype.h> functions.  Per Sergey Koposov.
---

diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c
index 64bd4ba3cc..e3ed6c3be1 100644
--- a/src/backend/commands/copy.c
+++ b/src/backend/commands/copy.c
@@ -14,6 +14,7 @@
  */
 #include "postgres.h"
 
+#include <ctype.h>
 #include <unistd.h>
 #include <sys/stat.h>
 #include <netinet/in.h>
@@ -2657,10 +2658,10 @@ CopyReadLineCSV(CopyState cstate)
 static int
 GetDecimalFromHex(char hex)
 {
-	if (isdigit(hex))
+	if (isdigit((unsigned char) hex))
 		return hex - '0';
 	else
-		return tolower(hex) - 'a' + 10;
+		return tolower((unsigned char) hex) - 'a' + 10;
 }
 
 /*
@@ -2802,7 +2803,7 @@ CopyReadAttributesText(CopyState cstate, int maxfields, char **fieldvals)
 						{
 							char hexchar = *cur_ptr;
 
-							if (isxdigit(hexchar))
+							if (isxdigit((unsigned char) hexchar))
 							{
 								int val = GetDecimalFromHex(hexchar);
 
@@ -2810,7 +2811,7 @@ CopyReadAttributesText(CopyState cstate, int maxfields, char **fieldvals)
 								if (cur_ptr < line_end_ptr)
 								{
 									hexchar = *cur_ptr;
-									if (isxdigit(hexchar))
+									if (isxdigit((unsigned char) hexchar))
 									{
 										cur_ptr++;
 										val = (val << 4) + GetDecimalFromHex(hexchar);