Assume target platforms have strcasecmp nowHEADmaster

It has been required since Unix98/SUSv2

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/app/xrefresh/-/merge_requests/8>

2 files changed, 1 insertions, 18 deletions

diff --git a/configure.ac b/configure.ac
index f287087..2482c7e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,8 +38,6 @@ m4_ifndef([XORG_MACROS_VERSION],
 XORG_MACROS_VERSION(1.8)
 XORG_DEFAULT_OPTIONS
 
-AC_CHECK_FUNCS([strcasecmp])
-
 # Checks for pkg-config packages
 PKG_CHECK_MODULES(XREFRESH, [x11 xproto >= 7.0.25])
 
diff --git a/xrefresh.c b/xrefresh.c
index 6352747..fb57bf8 100644
--- a/xrefresh.c
+++ b/xrefresh.c
@@ -60,10 +60,7 @@ SOFTWARE.
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <stdlib.h>
-
-#ifndef HAVE_STRCASECMP
-# include <ctype.h>
-#endif
+#include <strings.h>
 
 static Window win;
 
@@ -122,20 +119,8 @@ parse_boolean_option(char *option)
         { NULL, -1 }};
     register const struct _booltable *t;
 
-#ifndef HAVE_STRCASECMP
-    register char *cp;
-
-    for (cp = option; *cp; cp++) {
-        if (isascii (*cp) && isupper (*cp)) *cp = tolower (*cp);
-    }
-#endif
-
     for (t = booltable; t->name; t++) {
-#ifdef HAVE_STRCASECMP
         if (strcasecmp (option, t->name) == 0) return (t->value);
-#else
-        if (strcmp (option, t->name) == 0) return (t->value);
-#endif
     }
     return (-1);
 }