Attachment "0001-unix-Fix-encoding-system-in-ISO-8859-1-locales.patch" to
ticket [5fca83d78c]
added by
bhaible
2024-07-01 18:35:40.
From 0852b57897a5467af4f4b70688fa2caccac6296f Mon Sep 17 00:00:00 2001
From: Bruno Haible <[email protected]>
Date: Mon, 1 Jul 2024 20:26:50 +0200
Subject: [PATCH] unix: Fix [encoding system] in ISO-8859-1 locales
* unix/tclUnixInit.c (SearchKnownEncodings): Fix logic bug in binary search.
---
unix/tclUnixInit.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/unix/tclUnixInit.c b/unix/tclUnixInit.c
index 63167c6c68..9f19075682 100644
--- a/unix/tclUnixInit.c
+++ b/unix/tclUnixInit.c
@@ -597,17 +597,21 @@ SearchKnownEncodings(
int left = 0;
int right = sizeof(localeTable)/sizeof(LocaleTable);
+ /* Here, search for i in the interval left <= i < right. */
while (left < right) {
int test = (left + right)/2;
int code = strcmp(localeTable[test].lang, encoding);
if (code == 0) {
+ /* Found it at i == test. */
return localeTable[test].encoding;
}
if (code < 0) {
+ /* Restrict the search to the interval test < i < right. */
left = test+1;
} else {
- right = test-1;
+ /* Restrict the search to the interval left <= i < test. */
+ right = test;
}
}
return NULL;
--
2.34.1
