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From 91eda57764f26d3ebdbf8194a528d8d60d0f409a Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
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Date: Sat, 5 Oct 2013 22:47:52 -0400
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Subject: [PATCH] utf8: fix utf8_is_printable
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---
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src/shared/utf8.c | 5 +++--
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src/test/test-utf8.c | 1 +
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2 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/shared/utf8.c b/src/shared/utf8.c
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index a8e28ac..31120af 100644
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--- a/src/shared/utf8.c
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+++ b/src/shared/utf8.c
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@@ -141,14 +141,15 @@ bool utf8_is_printable(const char* str, size_t length) {
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assert(str);
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- for (p = (const uint8_t*) str; length; p++) {
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+ for (p = (const uint8_t*) str; length;) {
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int encoded_len = utf8_encoded_valid_unichar((const char *)p);
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- int32_t val = utf8_encoded_to_unichar((const char*)p);
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+ int val = utf8_encoded_to_unichar((const char*)p);
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if (encoded_len < 0 || val < 0 || is_unicode_control(val))
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return false;
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length -= encoded_len;
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+ p += encoded_len;
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}
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return true;
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diff --git a/src/test/test-utf8.c b/src/test/test-utf8.c
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index 7bd0db1..f0182ee 100644
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--- a/src/test/test-utf8.c
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+++ b/src/test/test-utf8.c
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@@ -26,6 +26,7 @@ static void test_utf8_is_printable(void) {
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assert_se(utf8_is_printable("ascii is valid\tunicode", 22));
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assert_se(utf8_is_printable("\342\204\242", 3));
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assert_se(!utf8_is_printable("\341\204", 2));
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+ assert_se(utf8_is_printable("ąę", 4));
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}
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static void test_utf8_is_valid(void) {
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