From: Ralph Corderoy <ralph@inputplus.co.uk>
Date: Sat, 22 Oct 2016 18:43:12 +0000 (+0100)
Subject: Add ToLower(s) and ToUpper(s).
X-Git-Url: https://diplodocus.org/git/nmh/commitdiff_plain/201663ffdecb6c21a2f48ad2e9b9eeaf85c029aa?hp=11f980e2651f72e75b9c19187a90ed3494c12ea4

Add ToLower(s) and ToUpper(s).
---

diff --git a/h/utils.h b/h/utils.h
index db563cb4..b57a4d88 100644
--- a/h/utils.h
+++ b/h/utils.h
@@ -65,6 +65,8 @@ char *nmh_strcasestr (const char *, const char *);
 
 bool EndsWithC(char *s, int c);
 void TrimSuffixC(char *s, int c);
+void ToLower(char *s);
+void ToUpper(char *s);
 
 /*
  * See if a string contains 8 bit characters (use isascii() for the test).
diff --git a/sbr/utils.c b/sbr/utils.c
index f5f20570..8f6ff76e 100644
--- a/sbr/utils.c
+++ b/sbr/utils.c
@@ -379,6 +379,26 @@ void TrimSuffixC(char *s, int c)
 }
 
 
+/* ToLower runs all of s through tolower(3). */
+void ToLower(char *s)
+{
+    unsigned char *b;
+
+    for (b = (unsigned char *)s; (*b = tolower(*b)); b++)
+        ;
+}
+
+
+/* ToUpper runs all of s through toupper(3). */
+void ToUpper(char *s)
+{
+    unsigned char *b;
+
+    for (b = (unsigned char *)s; (*b = toupper(*b)); b++)
+        ;
+}
+
+
 int
 nmh_init(const char *argv0, int read_context) {
     int status = OK;