Check for existence of tools/showbuildenv.

[nmh] / sbr / utils.c

diff --git a/sbr/utils.c b/sbr/utils.c
index f5f2057..b758025 100644 (file)
--- 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;
@@ -495,9 +515,8 @@ nmh_version_changed (int older) {
 char *
 upcase (const char *str) {
     char *up = cpytrim (str);
-    char *cp;
 
-    for (cp = up; *cp; ++cp) { *cp = toupper ((unsigned char) *cp); }
+    ToUpper(up);
 
     return up;
 }