[PATCH:twm] Remove unused fallback implementation of putenv()

[Alan Coopersmith]

NOPUTENV was never defined in a modular build, probably because putenv()
is a standard function in Unix98 / SUSv2.

Signed-off-by: Alan Coopersmith <alan.coopersmith at oracle.com>
---
 src/util.c |   66 ------------------------------------------------------------
 1 files changed, 0 insertions(+), 66 deletions(-)

diff --git a/src/util.c b/src/util.c
index 812886d..83f3257 100644
--- a/src/util.c
+++ b/src/util.c
@@ -771,72 +771,6 @@ SetFocus (TwmWindow *tmp_win, Time time)
     XSetInputFocus (dpy, w, RevertToPointerRoot, time);
 }
 
-
-#ifdef NOPUTENV
-/**
- * define our own putenv() if the system doesn't have one.
- * putenv(s): place s (a string of the form "NAME=value") in
- * the environment; replacing any existing NAME.  s is placed in
- * environment, so if you change s, the environment changes (like
- * putenv on a sun).  Binding removed if you putenv something else
- * called NAME.
- */
-int
-putenv(char *s)
-{
-    char *v;
-    int varlen, idx;
-    extern char **environ;
-    char **newenv;
-    static int virgin = 1; /* true while "environ" is a virgin */
-
-    v = index(s, '=');
-    if(v == 0)
-	return 0; /* punt if it's not of the right form */
-    varlen = (v + 1) - s;
-
-    for (idx = 0; environ[idx] != 0; idx++) {
-	if (strncmp(environ[idx], s, varlen) == 0) {
-	    if(v[1] != 0) { /* true if there's a value */
-		environ[idx] = s;
-		return 0;
-	    } else {
-		do {
-		    environ[idx] = environ[idx+1];
-		} while(environ[++idx] != 0);
-		return 0;
-	    }
-	}
-    }
-    
-    /* add to environment (unless no value; then just return) */
-    if(v[1] == 0)
-	return 0;
-    if(virgin) {
-	register i;
-
-	newenv = (char **) malloc((unsigned) ((idx + 2) * sizeof(char*)));
-	if(newenv == 0)
-	    return -1;
-	for(i = idx-1; i >= 0; --i)
-	    newenv[i] = environ[i];
-	virgin = 0;     /* you're not a virgin anymore, sweety */
-    } else {
-	newenv = (char **) realloc((char *) environ,
-				   (unsigned) ((idx + 2) * sizeof(char*)));
-	if (newenv == 0)
-	    return -1;
-    }
-
-    environ = newenv;
-    environ[idx] = s;
-    environ[idx+1] = 0;
-    
-    return 0;
-}
-#endif /* NOPUTENV */
-
-
 static Pixmap 
 CreateXLogoPixmap (unsigned *widthp, unsigned *heightp)
 {
-- 
1.7.3.2