lib/util/charset add functions isupper_m and islower_m

2 files changed, 19 insertions, 0 deletions

diff --git a/lib/util/charset/charset.h b/lib/util/charset/charset.h
index 92ea7304bf..901885d846 100644
--- a/lib/util/charset/charset.h
+++ b/lib/util/charset/charset.h
@@ -184,8 +184,11 @@ codepoint_t next_codepoint_convenience(struct smb_iconv_convenience *ic,
 			    const char *str, size_t *size);
 ssize_t push_codepoint_convenience(struct smb_iconv_convenience *ic, 
 				char *str, codepoint_t c);
+
 codepoint_t toupper_m(codepoint_t val);
 codepoint_t tolower_m(codepoint_t val);
+bool islower_m(codepoint_t val);
+bool isupper_m(codepoint_t val);
 int codepoint_cmpi(codepoint_t c1, codepoint_t c2);
 
 /* Iconv convenience functions */
diff --git a/lib/util/charset/codepoints.c b/lib/util/charset/codepoints.c
index bc39f1b1a4..b1451d4a9e 100644
--- a/lib/util/charset/codepoints.c
+++ b/lib/util/charset/codepoints.c
@@ -96,6 +96,22 @@ _PUBLIC_ codepoint_t tolower_m(codepoint_t val)
 }
 
 /**
+ If we upper cased this character, would we get the same character?
+**/
+_PUBLIC_ bool islower_m(codepoint_t val)
+{
+	return (toupper_m(val) != val);
+}
+
+/**
+ If we lower cased this character, would we get the same character?
+**/
+_PUBLIC_ bool isupper_m(codepoint_t val)
+{
+	return (tolower_m(val) != val);
+}
+
+/**
   compare two codepoints case insensitively
 */
 _PUBLIC_ int codepoint_cmpi(codepoint_t c1, codepoint_t c2)