From 7d0e51567d78584ab77abbc5d6ea9f24077df477 Mon Sep 17 00:00:00 2001
From: Roger Sayle <roger@eyesopen.com>
Date: Tue, 20 Dec 2005 18:48:47 +0000
Subject: [PATCH] decNumber.c (decStrEq): Cast string contents to unsigned char
instead of int before calling tolower.
* decNumber.c (decStrEq): Cast string contents to unsigned char
instead of int before calling tolower.
From-SVN: r108862
---
libdecnumber/ChangeLog | 5 +++++
libdecnumber/decNumber.c | 8 +++++---
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
index f7368a44c347..706beaaa0a5c 100644
--- a/libdecnumber/ChangeLog
+++ b/libdecnumber/ChangeLog
@@ -1,3 +1,8 @@
+2005-12-20 Roger Sayle <roger@eyesopen.com>
+
+ * decNumber.c (decStrEq): Cast string contents to unsigned char
+ instead of int before calling tolower.
+
2005-12-20 Roger Sayle <roger@eyesopen.com>
* decNumber.c (decStrEq): Cast operands to int before calling
diff --git a/libdecnumber/decNumber.c b/libdecnumber/decNumber.c
index 0625e9f2541b..bc11ace87872 100644
--- a/libdecnumber/decNumber.c
+++ b/libdecnumber/decNumber.c
@@ -5438,14 +5438,16 @@ decStrEq (const char *str1, const char *str2)
{
for (;; str1++, str2++)
{
- if (*str1 == *str2)
+ unsigned char u1 = (unsigned char) *str1;
+ unsigned char u2 = (unsigned char) *str2;
+ if (u1 == u2)
{
- if (*str1 == '\0')
+ if (u1 == '\0')
break;
}
else
{
- if (tolower ((int) *str1) != tolower ((int) *str2))
+ if (tolower (u1) != tolower (u2))
return 0;
}
} /* stepping */
--
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