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-rw-r--r--src/pugixml.cpp9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index a8ed526..0e9b99c 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -21,7 +21,6 @@
#include <wchar.h>
#ifndef PUGIXML_NO_XPATH
-# include <ctype.h>
# include <math.h>
# include <float.h>
#endif
@@ -4903,6 +4902,12 @@ namespace
#endif
}
+ // Converts symbol to lower case, if it is an ASCII one
+ char_t tolower_ascii(char_t ch)
+ {
+ return static_cast<unsigned int>(ch - 'A') < 26 ? (ch | ' ') : ch;
+ }
+
xpath_string string_value(const xpath_node& na)
{
if (na.attribute())
@@ -7127,7 +7132,7 @@ namespace pugi
// strnicmp / strncasecmp is not portable
for (const char_t* lit = lang.c_str(); *lit; ++lit)
{
- if (tolower(*lit) != tolower(*value)) return false;
+ if (tolower_ascii(*lit) != tolower_ascii(*value)) return false;
++value;
}