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-rw-r--r--Src/Modules/cap.c8
-rw-r--r--Src/Modules/clone.c10
-rw-r--r--Src/Modules/datetime.c4
-rw-r--r--Src/Modules/files.c14
-rw-r--r--Src/Modules/langinfo.c2
-rw-r--r--Src/Modules/mathfunc.c2
-rw-r--r--Src/Modules/parameter.c22
-rw-r--r--Src/Modules/pcre.c13
-rw-r--r--Src/Modules/socket.c28
-rw-r--r--Src/Modules/stat.c26
-rw-r--r--Src/Modules/system.c12
-rw-r--r--Src/Modules/tcp.c47
-rw-r--r--Src/Modules/termcap.c6
-rw-r--r--Src/Modules/terminfo.c6
-rw-r--r--Src/Modules/zftp.c88
-rw-r--r--Src/Modules/zpty.c28
-rw-r--r--Src/Modules/zselect.c21
-rw-r--r--Src/Modules/zutil.c42
18 files changed, 185 insertions, 194 deletions
diff --git a/Src/Modules/cap.c b/Src/Modules/cap.c
index a84e4d246..875b8c4e5 100644
--- a/Src/Modules/cap.c
+++ b/Src/Modules/cap.c
@@ -40,11 +40,11 @@ bin_cap(char *nam, char **argv, UNUSED(Options ops), UNUSED(int func))
     if(*argv) {
 	caps = cap_from_text(*argv);
 	if(!caps) {
-	    zwarnnam(nam, "invalid capability string", NULL, 0);
+	    zwarnnam(nam, "invalid capability string");
 	    return 1;
 	}
 	if(cap_set_proc(caps)) {
-	    zwarnnam(nam, "can't change capabilites: %e", NULL, errno);
+	    zwarnnam(nam, "can't change capabilites: %e", errno);
 	    ret = 1;
 	}
     } else {
@@ -54,7 +54,7 @@ bin_cap(char *nam, char **argv, UNUSED(Options ops), UNUSED(int func))
 	if(caps)
 	    result = cap_to_text(caps, &length);
 	if(!caps || !result) {
-	    zwarnnam(nam, "can't get capabilites: %e", NULL, errno);
+	    zwarnnam(nam, "can't get capabilites: %e", errno);
 	    ret = 1;
 	} else
 	    puts(result);
@@ -92,7 +92,7 @@ bin_setcap(char *nam, char **argv, UNUSED(Options ops), UNUSED(int func))
 
     caps = cap_from_text(*argv++);
     if(!caps) {
-	zwarnnam(nam, "invalid capability string", NULL, 0);
+	zwarnnam(nam, "invalid capability string");
 	return 1;
     }
 
diff --git a/Src/Modules/clone.c b/Src/Modules/clone.c
index 60a21182b..cc303d063 100644
--- a/Src/Modules/clone.c
+++ b/Src/Modules/clone.c
@@ -58,10 +58,10 @@ bin_clone(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	mypid = getpid();
 #ifdef HAVE_SETSID
 	if (setsid() != mypid)
-	    zwarnnam(nam, "failed to create new session: %e", NULL, errno);
+	    zwarnnam(nam, "failed to create new session: %e", errno);
 #elif defined(TIOCNOTTY)
 	    if (ioctl(SHTTY, TIOCNOTTY, 0))
-	    zwarnnam(*args, "%e", NULL, errno);
+	    zwarnnam(*args, "%e", errno);
 	    setpgrp(0L, mypid);
 #endif
 	dup2(ttyfd,0);
@@ -75,7 +75,7 @@ bin_clone(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	/* Acquire a controlling terminal */
 	cttyfd = open(*args, O_RDWR);
 	if (cttyfd == -1)
-	    zwarnnam(nam, "%e", NULL, errno);
+	    zwarnnam(nam, "%e", errno);
 	else {
 #ifdef TIOCSCTTY
 	    ioctl(cttyfd, TIOCSCTTY, 0);
@@ -86,7 +86,7 @@ bin_clone(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	cttyfd = open("/dev/tty", O_RDWR);
 	if (cttyfd == -1)
 	    zwarnnam(nam, "could not make %s my controlling tty, job control "
-		     "disabled", *args, 0);
+		     "disabled", *args);
 	else
 	    close(cttyfd);
 
@@ -98,7 +98,7 @@ bin_clone(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
     }
     close(ttyfd);
     if (pid < 0) {
-	zerrnam(nam, "fork failed: %e", NULL, errno);
+	zerrnam(nam, "fork failed: %e", errno);
 	return 1;
     }
     lastpid = pid;
diff --git a/Src/Modules/datetime.c b/Src/Modules/datetime.c
index 80090a65b..8b5ff5d68 100644
--- a/Src/Modules/datetime.c
+++ b/Src/Modules/datetime.c
@@ -42,7 +42,7 @@ bin_strftime(char *nam, char **argv, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops,'s')) {
 	scalar = OPT_ARG(ops, 's');
 	if (!isident(scalar)) {
-	    zwarnnam(nam, "not an identifier: %s", scalar, 0);
+	    zwarnnam(nam, "not an identifier: %s", scalar);
 	    return 1;
 	}
     }
@@ -52,7 +52,7 @@ bin_strftime(char *nam, char **argv, Options ops, UNUSED(int func))
 	zwarnnam(nam, "%s: %e", argv[1], errno);
 	return 1;
     } else if (*endptr != '\0') {
-	zwarnnam(nam, "%s: invalid decimal number", argv[1], 0);
+	zwarnnam(nam, "%s: invalid decimal number", argv[1]);
 	return 1;
     }
 
diff --git a/Src/Modules/files.c b/Src/Modules/files.c
index 331507c64..079aeac4d 100644
--- a/Src/Modules/files.c
+++ b/Src/Modules/files.c
@@ -78,7 +78,7 @@ bin_mkdir(char *nam, char **args, Options ops, UNUSED(int func))
 
 	mode = zstrtol(str, &ptr, 8);
 	if(!*str || *ptr) {
-	    zwarnnam(nam, "invalid mode `%s'", str, 0);
+	    zwarnnam(nam, "invalid mode `%s'", str);
 	    return 1;
 	}
     }
@@ -214,7 +214,7 @@ bin_ln(char *nam, char **args, Options ops, int func)
 	    goto havedir;
     }
     if(a > args+1) {
-	zwarnnam(nam, "last of many arguments must be a directory", NULL, 0);
+	zwarnnam(nam, "last of many arguments must be a directory");
 	return 1;
     }
     if(!args[1]) {
@@ -266,7 +266,7 @@ domove(char *nam, MoveFunc move, char *p, char *q, int flags)
     if(!lstat(qbuf, &st)) {
 	int doit = flags & MV_FORCE;
 	if(S_ISDIR(st.st_mode)) {
-	    zwarnnam(nam, "%s: cannot overwrite directory", q, 0);
+	    zwarnnam(nam, "%s: cannot overwrite directory", q);
 	    zsfree(pbuf);
 	    return 1;
 	} else if(flags & MV_INTER) {
@@ -469,7 +469,7 @@ recursivecmd_dorec(struct recursivecmd const *reccmd,
     if (restoredir(ds)) {
 	if(!reccmd->opt_noerr)
 	    zwarnnam(reccmd->nam, "failed to return to previous directory: %e",
-		     NULL, errno);
+		     errno);
 	return 2;
     }
     return err | reccmd->dirpost_func(arg, rp, sp, reccmd->magic);
@@ -647,7 +647,7 @@ bin_chown(char *nam, char **args, Options ops, int func)
 	    int err;
 	    chm.uid = getnumeric(p, &err);
 	    if(err) {
-		zwarnnam(nam, "%s: no such user", p, 0);
+		zwarnnam(nam, "%s: no such user", p);
 		free(uspec);
 		return 1;
 	    }
@@ -656,7 +656,7 @@ bin_chown(char *nam, char **args, Options ops, int func)
 	    p = end+1;
 	    if(!*p) {
 		if(!pwd && !(pwd = getpwuid(chm.uid))) {
-		    zwarnnam(nam, "%s: no such user", uspec, 0);
+		    zwarnnam(nam, "%s: no such user", uspec);
 		    free(uspec);
 		    return 1;
 		}
@@ -673,7 +673,7 @@ bin_chown(char *nam, char **args, Options ops, int func)
 		    int err;
 		    chm.gid = getnumeric(p, &err);
 		    if(err) {
-			zwarnnam(nam, "%s: no such group", p, 0);
+			zwarnnam(nam, "%s: no such group", p);
 			free(uspec);
 			return 1;
 		    }
diff --git a/Src/Modules/langinfo.c b/Src/Modules/langinfo.c
index d927358ed..a09c1a0bb 100644
--- a/Src/Modules/langinfo.c
+++ b/Src/Modules/langinfo.c
@@ -460,7 +460,7 @@ getlanginfo(UNUSED(HashTable ht), char *name)
     }
     else
     {
-	/* zwarn("no such lang info: %s", name, 0); */
+	/* zwarn("no such lang info: %s", name); */
 	pm->u.str = dupstring("");
 	pm->node.flags |= PM_UNSET;
     }
diff --git a/Src/Modules/mathfunc.c b/Src/Modules/mathfunc.c
index 7b9b10fab..4d58745e8 100644
--- a/Src/Modules/mathfunc.c
+++ b/Src/Modules/mathfunc.c
@@ -249,7 +249,7 @@ math_func(char *name, int argc, mnumber *argv, int id)
       }
 
       if (rtst) {
-	  zerr("math: argument to %s out of range", name, 0);
+	  zerr("math: argument to %s out of range", name);
 	  return ret;
       }
   }
diff --git a/Src/Modules/parameter.c b/Src/Modules/parameter.c
index 2f9f574e0..c3ec441f8 100644
--- a/Src/Modules/parameter.c
+++ b/Src/Modules/parameter.c
@@ -183,7 +183,7 @@ static void
 setpmcommand(Param pm, char *value)
 {
     if (isset(RESTRICTED)) {
-	zwarn("restricted: %s", value, 0);
+	zwarn("restricted: %s", value);
 	zsfree(value);
     } else {
 	Cmdnam cn = zshcalloc(sizeof(*cn));
@@ -322,7 +322,7 @@ setfunction(char *name, char *val, int dis)
     prog = parse_string(val);
 
     if (!prog || prog == &dummy_eprog) {
-	zwarn("invalid function definition", value, 0);
+	zwarn("invalid function definition", value);
 	zsfree(val);
 	return;
     }
@@ -679,11 +679,11 @@ setpmoption(Param pm, char *value)
     int n;
 
     if (!value || (strcmp(value, "on") && strcmp(value, "off")))
-	zwarn("invalid value: %s", value, 0);
+	zwarn("invalid value: %s", value);
     else if (!(n = optlookup(pm->node.nam)))
-	zwarn("no such option: %s", pm->node.nam, 0);
+	zwarn("no such option: %s", pm->node.nam);
     else if (dosetopt(n, (value && strcmp(value, "off")), 0))
-	zwarn("can't change option: %s", pm->node.nam, 0);
+	zwarn("can't change option: %s", pm->node.nam);
     zsfree(value);
 }
 
@@ -694,9 +694,9 @@ unsetpmoption(Param pm, UNUSED(int exp))
     int n;
 
     if (!(n = optlookup(pm->node.nam)))
-	zwarn("no such option: %s", pm->node.nam, 0);
+	zwarn("no such option: %s", pm->node.nam);
     else if (dosetopt(n, 0, 0))
-	zwarn("can't change option: %s", pm->node.nam, 0);
+	zwarn("can't change option: %s", pm->node.nam);
 }
 
 /**/
@@ -721,10 +721,10 @@ setpmoptions(UNUSED(Param pm), HashTable ht)
 
 	    val = getstrvalue(&v);
 	    if (!val || (strcmp(val, "on") && strcmp(val, "off")))
-		zwarn("invalid value: %s", val, 0);
+		zwarn("invalid value: %s", val);
 	    else if (dosetopt(optlookup(hn->nam),
 			      (val && strcmp(val, "off")), 0))
-		zwarn("can't change option: %s", hn->nam, 0);
+		zwarn("can't change option: %s", hn->nam);
 	}
     deleteparamtable(ht);
 }
@@ -1295,7 +1295,7 @@ static void
 setpmnameddir(Param pm, char *value)
 {
     if (!value)
-	zwarn("invalid value: ''", NULL, 0);
+	zwarn("invalid value: ''");
     else {
 	Nameddir nd = (Nameddir) zshcalloc(sizeof(*nd));
 
@@ -1344,7 +1344,7 @@ setpmnameddirs(UNUSED(Param pm), HashTable ht)
 	    v.pm = (Param) hn;
 
 	    if (!(val = getstrvalue(&v)))
-		zwarn("invalid value: ''", NULL, 0);
+		zwarn("invalid value: ''");
 	    else {
 		Nameddir nd = (Nameddir) zshcalloc(sizeof(*nd));
 
diff --git a/Src/Modules/pcre.c b/Src/Modules/pcre.c
index 2336b27d7..3ed536671 100644
--- a/Src/Modules/pcre.c
+++ b/Src/Modules/pcre.c
@@ -58,7 +58,7 @@ bin_pcre_compile(char *nam, char **args, Options ops, UNUSED(int func))
     
     if (pcre_pattern == NULL)
     {
-	zwarnnam(nam, "error in regex: %s", pcre_error, 0);
+	zwarnnam(nam, "error in regex: %s", pcre_error);
 	return 1;
     }
     
@@ -76,15 +76,14 @@ bin_pcre_study(char *nam, UNUSED(char **args), UNUSED(Options ops), UNUSED(int f
 
     if (pcre_pattern == NULL)
     {
-	zwarnnam(nam, "no pattern has been compiled for study",
-		 NULL, 0);
+	zwarnnam(nam, "no pattern has been compiled for study");
 	return 1;
     }
     
     pcre_hints = pcre_study(pcre_pattern, 0, &pcre_error);
     if (pcre_error != NULL)
     {
-	zwarnnam(nam, "error while studying regex: %s", pcre_error, 0);
+	zwarnnam(nam, "error while studying regex: %s", pcre_error);
 	return 1;
     }
     
@@ -129,14 +128,14 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
     if(OPT_ISSET(ops,'a')) {
 	receptacle = *args++;
 	if(!*args) {
-	    zwarnnam(nam, "not enough arguments", NULL, 0);
+	    zwarnnam(nam, "not enough arguments");
 	    return 1;
 	}
     }
     
     if ((ret = pcre_fullinfo(pcre_pattern, pcre_hints, PCRE_INFO_CAPTURECOUNT, &capcount)))
     {
-	zwarnnam(nam, "error %d in fullinfo", NULL, ret);
+	zwarnnam(nam, "error %d in fullinfo", ret);
 	return 1;
     }
     
@@ -152,7 +151,7 @@ bin_pcre_match(char *nam, char **args, Options ops, UNUSED(int func))
 	return 0;
     }
     else {
-	zwarnnam(nam, "error in pcre_exec", NULL, 0);
+	zwarnnam(nam, "error in pcre_exec");
 	return 1;
     }
     
diff --git a/Src/Modules/socket.c b/Src/Modules/socket.c
index 2f95a84d5..7ca56b4e7 100644
--- a/Src/Modules/socket.c
+++ b/Src/Modules/socket.c
@@ -75,12 +75,12 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	targetfd = atoi(OPT_ARG(ops,'d'));
 	if (!targetfd) {
 	    zwarnnam(nam, "%s is an invalid argument to -d",
-		     OPT_ARG(ops, 'd'), 0);
+		     OPT_ARG(ops, 'd'));
 	    return 1;
 	}
 	if (targetfd <= max_zsh_fd && fdtable[targetfd] != FDT_UNUSED) {
 	    zwarnnam(nam, "file descriptor %d is in use by the shell",
-		     NULL, targetfd);
+		     targetfd);
 	    return 1;
 	}
     }
@@ -89,7 +89,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	char *localfn;
 
 	if (!args[0]) {
-	    zwarnnam(nam, "-l requires an argument", NULL, 0);
+	    zwarnnam(nam, "-l requires an argument");
 	    return 1;
 	}
 
@@ -98,7 +98,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	sfd = socket(PF_UNIX, SOCK_STREAM, 0);
 
 	if (sfd == -1) {
-	    zwarnnam(nam, "socket error: %e ", NULL, errno);
+	    zwarnnam(nam, "socket error: %e ", errno);
 	    return 1;
 	}
 
@@ -114,7 +114,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 
 	if (listen(sfd, 1))
 	{
-	    zwarnnam(nam, "could not listen on socket: %e", NULL, errno);
+	    zwarnnam(nam, "could not listen on socket: %e", errno);
 	    close(sfd);
 	    return 1;
 	}
@@ -141,14 +141,14 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	int lfd, rfd;
 
 	if (!args[0]) {
-	    zwarnnam(nam, "-a requires an argument", NULL, 0);
+	    zwarnnam(nam, "-a requires an argument");
 	    return 1;
 	}
 
 	lfd = atoi(args[0]);
 
 	if (!lfd) {
-	    zwarnnam(nam, "invalid numerical argument", NULL, 0);
+	    zwarnnam(nam, "invalid numerical argument");
 	    return 1;
 	}
 
@@ -163,7 +163,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	    if ((ret = poll(&pfd, 1, 0)) == 0) return 1;
 	    else if (ret == -1)
 	    {
-		zwarnnam(nam, "poll error: %e", NULL, errno);
+		zwarnnam(nam, "poll error: %e", errno);
 		return 1;
 	    }
 # else
@@ -179,14 +179,14 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	    if ((ret = select(lfd+1, &rfds, NULL, NULL, &tv))) return 1;
 	    else if (ret == -1)
 	    {
-		zwarnnam(nam, "select error: %e", NULL, errno);
+		zwarnnam(nam, "select error: %e", errno);
 		return 1;
 	    }
 	    
 # endif
 	    
 #else
-	    zwarnnam(nam, "not currently supported", NULL, 0);
+	    zwarnnam(nam, "not currently supported");
 	    return 1;
 #endif
 	}
@@ -194,7 +194,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	len = sizeof(soun);
 	if ((rfd = accept(lfd, (struct sockaddr *)&soun, &len)) == -1)
 	{
-	    zwarnnam(nam, "could not accept connection: %e", NULL, errno);
+	    zwarnnam(nam, "could not accept connection: %e", errno);
 	    return 1;
 	}
 
@@ -214,14 +214,14 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
     else
     {
 	if (!args[0]) {
-	    zwarnnam(nam, "zsocket requires an argument", NULL, 0);
+	    zwarnnam(nam, "zsocket requires an argument");
 	    return 1;
 	}
 
 	sfd = socket(PF_UNIX, SOCK_STREAM, 0);
 
 	if (sfd == -1) {
-	    zwarnnam(nam, "socket creation failed: %e", NULL, errno);
+	    zwarnnam(nam, "socket creation failed: %e", errno);
 	    return 1;
 	}
 
@@ -229,7 +229,7 @@ bin_zsocket(char *nam, char **args, Options ops, UNUSED(int func))
 	strncpy(soun.sun_path, args[0], UNIX_PATH_MAX);
 	
 	if ((err = connect(sfd, (struct sockaddr *)&soun, sizeof(struct sockaddr_un)))) {
-	    zwarnnam(nam, "connection failed: %e", NULL, errno);
+	    zwarnnam(nam, "connection failed: %e", errno);
 	    close(sfd);
 	    return 1;
 	}
diff --git a/Src/Modules/stat.c b/Src/Modules/stat.c
index 20a09e671..3ffaf9d4d 100644
--- a/Src/Modules/stat.c
+++ b/Src/Modules/stat.c
@@ -380,10 +380,10 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 		    iwhich = aptr - statelts;
 		}
 	    if (found > 1) {
-		zwarnnam(name, "%s: ambiguous stat element", arg, 0);
+		zwarnnam(name, "%s: ambiguous stat element", arg);
 		return 1;
 	    } else if (found == 0) {
-		zwarnnam(name, "%s: no such stat element", arg, 0);
+		zwarnnam(name, "%s: no such stat element", arg);
 		return 1;
 	    }
 	    /* if name of link requested, turn on lstat */
@@ -398,8 +398,7 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 		    if (arg[1]) {
 			arrnam = arg+1;
 		    } else if (!(arrnam = *++args)) {
-			zwarnnam(name, "missing parameter name",
-				NULL, 0);
+			zwarnnam(name, "missing parameter name");
 			return 1;
 		    }
 		    flags |= STF_ARRAY;
@@ -408,8 +407,7 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 		    if (arg[1]) {
 			hashnam = arg+1;
 		    } else if (!(hashnam = *++args)) {
-			zwarnnam(name, "missing parameter name",
-				NULL, 0);
+			zwarnnam(name, "missing parameter name");
 			return 1;
 		    }
 		    flags |= STF_HASH;
@@ -420,12 +418,12 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 		    if (arg[1]) {
 			sfd = arg+1;
 		    } else if (!(sfd = *++args)) {
-			zwarnnam(name, "missing file descriptor", NULL, 0);
+			zwarnnam(name, "missing file descriptor");
 			return 1;
 		    }
 		    fd = zstrtol(sfd, &sfd, 10);
 		    if (*sfd) {
-			zwarnnam(name, "bad file descriptor", NULL, 0);
+			zwarnnam(name, "bad file descriptor");
 			return 1;
 		    }
 		    break;
@@ -433,14 +431,14 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 		    if (arg[1]) {
 			timefmt = arg+1;
 		    } else if (!(timefmt = *++args)) {
-			zwarnnam(name, "missing time format", NULL, 0);
+			zwarnnam(name, "missing time format");
 			return 1;
 		    }
 		    /* force string format in order to use time format */
 		    ops->ind['s'] = 1;
 		    break;
 		} else {
-		    zwarnnam(name, "bad option: -%c", NULL, *arg);
+		    zwarnnam(name, "bad option: -%c", *arg);
 		    return 1;
 		}
 	    }
@@ -449,7 +447,7 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 
     if ((flags & STF_ARRAY) && (flags & STF_HASH)) {
     	/* We don't implement setting multiple variables at once */
-	zwarnnam(name, "both array and hash requested", NULL, 0);
+	zwarnnam(name, "both array and hash requested");
 	return 1;
 	/* Alternate method would be to make -H blank arrnam etc etc *
 	 * and so get 'silent loss' of earlier choice, which would   *
@@ -481,10 +479,10 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
     }
 
     if (!*args && !OPT_ISSET(ops,'f')) {
-	zwarnnam(name, "no files given", NULL, 0);
+	zwarnnam(name, "no files given");
 	return 1;
     } else if (*args && OPT_ISSET(ops,'f')) {
-	zwarnnam(name, "no files allowed with -f", NULL, 0);
+	zwarnnam(name, "no files allowed with -f");
 	return 1;
     }
 
@@ -524,7 +522,7 @@ bin_stat(char *name, char **args, Options ops, UNUSED(int func))
 
     if (hashnam) {
     	if (nargs > 1) {
-	    zwarnnam(name, "only one file allowed with -H", NULL, 0);
+	    zwarnnam(name, "only one file allowed with -H");
 	    return 1;
 	}
 	arrsize = (flags & STF_PICK) ? 1 : ST_COUNT;
diff --git a/Src/Modules/system.c b/Src/Modules/system.c
index 7b1c08a95..dfdf094b9 100644
--- a/Src/Modules/system.c
+++ b/Src/Modules/system.c
@@ -48,7 +48,7 @@ getposint(char *instr, char *nam)
 
     ret = (int)zstrtol(instr, &eptr, 10);
     if (*eptr || ret < 0) {
-	zwarnnam(nam, "integer expected: %s", instr, 0);
+	zwarnnam(nam, "integer expected: %s", instr);
 	return -1;
     }
 
@@ -83,7 +83,7 @@ bin_sysread(char *nam, char **args, Options ops, UNUSED(int func))
     /* -o: output file descriptor, else store in REPLY */
     if (OPT_ISSET(ops, 'o')) {
 	if (*args) {
-	    zwarnnam(nam, "no argument allowed with -o", NULL, 0);
+	    zwarnnam(nam, "no argument allowed with -o");
 	    return 1;
 	}
 	outfd = getposint(OPT_ARG(ops, 'o'), nam);
@@ -102,7 +102,7 @@ bin_sysread(char *nam, char **args, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops, 'c')) {
 	countvar = OPT_ARG(ops, 'c');
 	if (!isident(countvar)) {
-	    zwarnnam(nam, "not an identifier: %s", countvar, 0);
+	    zwarnnam(nam, "not an identifier: %s", countvar);
 	    return 1;
 	}
     }
@@ -116,7 +116,7 @@ bin_sysread(char *nam, char **args, Options ops, UNUSED(int func))
 	 */
 	outvar = *args;
 	if (!isident(outvar)) {
-	    zwarnnam(nam, "not an identifier: %s", outvar, 0);
+	    zwarnnam(nam, "not an identifier: %s", outvar);
 	    return 1;
 	}
     }
@@ -252,7 +252,7 @@ bin_syswrite(char *nam, char **args, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops, 'c')) {
 	countvar = OPT_ARG(ops, 'c');
 	if (!isident(countvar)) {
-	    zwarnnam(nam, "not an identifier: %s", countvar, 0);
+	    zwarnnam(nam, "not an identifier: %s", countvar);
 	    return 1;
 	}
     }
@@ -299,7 +299,7 @@ bin_syserror(char *nam, char **args, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops, 'e')) {
 	errvar = OPT_ARG(ops, 'e');
 	if (!isident(errvar)) {
-	    zwarnnam(nam, "not an identifier: %s", errvar, 0);
+	    zwarnnam(nam, "not an identifier: %s", errvar);
 	    return 1;
 	}
     }
diff --git a/Src/Modules/tcp.c b/Src/Modules/tcp.c
index 2120ba833..232cc31bc 100644
--- a/Src/Modules/tcp.c
+++ b/Src/Modules/tcp.c
@@ -300,7 +300,7 @@ tcp_close(Tcp_session sess)
 	{
 	    err = close(sess->fd);
 	    if (err)
-		zwarn("connection close failed: %e", NULL, errno);
+		zwarn("connection close failed: %e", errno);
 	}
 	zts_delete(sess);
 	return 0;
@@ -358,8 +358,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
     if (OPT_ISSET(ops,'d')) {
 	targetfd = atoi(OPT_ARG(ops,'d'));
 	if (!targetfd) {
-	    zwarnnam(nam, "%s is an invalid argument to -d",
-		     OPT_ARG(ops,'d'), 0);
+	    zwarnnam(nam, "%s is an invalid argument to -d", OPT_ARG(ops,'d'));
 	    return 1;
 	}
     }
@@ -373,7 +372,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    targetfd = atoi(args[0]);
 	    sess = zts_byfd(targetfd);
 	    if(!targetfd) {
-		zwarnnam(nam, "%s is an invalid argument to -c", args[0], 0);
+		zwarnnam(nam, "%s is an invalid argument to -c", args[0]);
 		return 1;
 	    }
 
@@ -381,7 +380,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    {
 		if ((sess->flags & ZTCP_ZFTP) && !force)
 		{
-		    zwarnnam(nam, "use -f to force closure of a zftp control connection", NULL, 0);
+		    zwarnnam(nam, "use -f to force closure of a zftp control connection");
 		    return 1;
 		}
 		tcp_close(sess);
@@ -389,7 +388,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    }
 	    else
 	    {
-		zwarnnam(nam, "fd %s not found in tcp table", args[0], 0);
+		zwarnnam(nam, "fd %s not found in tcp table", args[0]);
 		return 1;
 	    }
 	}
@@ -398,7 +397,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	int lport = 0;
 
 	if (!args[0]) {
-	    zwarnnam(nam, "-l requires an argument", NULL, 0);
+	    zwarnnam(nam, "-l requires an argument");
 	    return 1;
 	}
 
@@ -407,13 +406,13 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    lport = srv->s_port;
 	else
 	    lport = htons(atoi(args[0]));
-	if (!lport) { zwarnnam(nam, "bad service name or port number", NULL, 0);
+	if (!lport) { zwarnnam(nam, "bad service name or port number");
 	return 1;
 	}
 	sess = tcp_socket(PF_INET, SOCK_STREAM, 0, ZTCP_LISTEN);
 
 	if (!sess) {
-	    zwarnnam(nam, "unable to allocate a TCP session slot", NULL, 0);
+	    zwarnnam(nam, "unable to allocate a TCP session slot");
 	    return 1;
 	}
 #ifdef SO_OOBINLINE
@@ -422,7 +421,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 #endif
 	if (!zsh_inet_aton("0.0.0.0", &(sess->sock.in.sin_addr)))
 	{
-	    zwarnnam(nam, "bad address: %s", "0.0.0.0", 0);
+	    zwarnnam(nam, "bad address: %s", "0.0.0.0");
 	    return 1;
 	}
 
@@ -441,7 +440,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 
 	if (listen(sess->fd, 1))
 	{
-	    zwarnnam(nam, "could not listen on socket: %e", NULL, errno);
+	    zwarnnam(nam, "could not listen on socket: %e", errno);
 	    tcp_close(sess);
 	    return 1;
 	}
@@ -468,26 +467,26 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	int lfd, rfd;
 
 	if (!args[0]) {
-	    zwarnnam(nam, "-a requires an argument", NULL, 0);
+	    zwarnnam(nam, "-a requires an argument");
 	    return 1;
 	}
 
 	lfd = atoi(args[0]);
 
 	if (!lfd) {
-	    zwarnnam(nam, "invalid numerical argument", NULL, 0);
+	    zwarnnam(nam, "invalid numerical argument");
 	    return 1;
 	}
 
 	sess = zts_byfd(lfd);
 	if (!sess) {
-	    zwarnnam(nam, "fd %s is not registered as a tcp connection", args[0], 0);
+	    zwarnnam(nam, "fd %s is not registered as a tcp connection", args[0]);
 	    return 1;
 	}
 
 	if (!(sess->flags & ZTCP_LISTEN))
 	{
-	    zwarnnam(nam, "tcp connection not a listener", NULL, 0);
+	    zwarnnam(nam, "tcp connection not a listener");
 	    return 1;
 	}
 
@@ -502,7 +501,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    if ((ret = poll(&pfd, 1, 0)) == 0) return 1;
 	    else if (ret == -1)
 	    {
-		zwarnnam(nam, "poll error: %e", NULL, errno);
+		zwarnnam(nam, "poll error: %e", errno);
 		return 1;
 	    }
 # else
@@ -518,14 +517,14 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	    if ((ret = select(lfd+1, &rfds, NULL, NULL, &tv))) return 1;
 	    else if (ret == -1)
 	    {
-		zwarnnam(nam, "select error: %e", NULL, errno);
+		zwarnnam(nam, "select error: %e", errno);
 		return 1;
 	    }
 	    
 # endif
 	    
 #else
-	    zwarnnam(nam, "not currently supported", NULL, 0);
+	    zwarnnam(nam, "not currently supported");
 	    return 1;
 #endif
 	}
@@ -534,7 +533,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	len = sizeof(sess->peer.in);
 	if ((rfd = accept(lfd, (struct sockaddr *)&sess->peer.in, &len)) == -1)
 	{
-	    zwarnnam(nam, "could not accept connection: %e", NULL, errno);
+	    zwarnnam(nam, "could not accept connection: %e", errno);
 	    tcp_close(sess);
 	    return 1;
 	}
@@ -615,14 +614,14 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	
 	zthost = zsh_getipnodebyname(desthost, AF_INET, 0, &herrno);
 	if (!zthost || errflag) {
-	    zwarnnam(nam, "host resolution failure: %s", desthost, 0);
+	    zwarnnam(nam, "host resolution failure: %s", desthost);
 	    return 1;
 	}
 	
 	sess = tcp_socket(PF_INET, SOCK_STREAM, 0, 0);
 
 	if (!sess) {
-	    zwarnnam(nam, "unable to allocate a TCP session slot", NULL, 0);
+	    zwarnnam(nam, "unable to allocate a TCP session slot");
 	    return 1;
 	}
 
@@ -632,7 +631,7 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 #endif
 
 	if (sess->fd < 0) {
-	    zwarnnam(nam, "socket creation failed: %e", NULL, errno);
+	    zwarnnam(nam, "socket creation failed: %e", errno);
 	    zsfree(desthost);
 	    zts_delete(sess);
 	    return 1;
@@ -640,14 +639,14 @@ bin_ztcp(char *nam, char **args, Options ops, UNUSED(int func))
 	
 	for (addrp = zthost->h_addr_list; err && *addrp; addrp++) {
 	    if (zthost->h_length != 4)
-		zwarnnam(nam, "address length mismatch", NULL, 0);
+		zwarnnam(nam, "address length mismatch");
 	    do {
 		err = tcp_connect(sess, *addrp, zthost, destport);
 	    } while (err && errno == EINTR && !errflag);
 	}
 	
 	if (err) {
-	    zwarnnam(nam, "connection failed: %e", NULL, errno);
+	    zwarnnam(nam, "connection failed: %e", errno);
 	    tcp_close(sess);
 	    zsfree(desthost);
 	    return 1;
diff --git a/Src/Modules/termcap.c b/Src/Modules/termcap.c
index 9e7ee57ae..e29b2bf74 100644
--- a/Src/Modules/termcap.c
+++ b/Src/Modules/termcap.c
@@ -134,7 +134,7 @@ bin_echotc(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
     t = tgetstr(s, &u);
     if (t == (char *)-1 || !t || !*t) {
 	/* capability doesn't exist, or (if boolean) is off */
-	zwarnnam(name, "no such capability: %s", s, 0);
+	zwarnnam(name, "no such capability: %s", s);
 	return 1;
     }
     /* count the number of arguments required */
@@ -147,7 +147,7 @@ bin_echotc(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
     /* check that the number of arguments provided is correct */
     if (arrlen(argv) != argct) {
 	zwarnnam(name, (arrlen(argv) < argct) ? "not enough arguments" :
-		 "too many arguments", NULL, 0);
+		 "too many arguments");
 	return 1;
     }
     /* output string, through the proper termcap functions */
@@ -263,7 +263,7 @@ gettermcap(UNUSED(HashTable ht), char *name)
 	pm->u.str = dupstring(tcstr);
 	pm->node.flags |= PM_SCALAR;
     } else {
-	/* zwarn("no such capability: %s", name, 0); */
+	/* zwarn("no such capability: %s", name); */
 	pm->u.str = dupstring("");
 	pm->node.flags |= PM_UNSET;
     }
diff --git a/Src/Modules/terminfo.c b/Src/Modules/terminfo.c
index 4c8dce3ce..b4a1c599b 100644
--- a/Src/Modules/terminfo.c
+++ b/Src/Modules/terminfo.c
@@ -95,12 +95,12 @@ bin_echoti(char *name, char **argv, UNUSED(Options ops), UNUSED(int func))
     t = (char *)tigetstr(s);
     if (!t || t == (char *)-1 || !*t) {
 	/* capability doesn't exist, or (if boolean) is off */
-	zwarnnam(name, "no such terminfo capability: %s", s, 0);
+	zwarnnam(name, "no such terminfo capability: %s", s);
 	return 1;
     }
     /* check that the number of arguments provided is not too high */
     if (arrlen(argv) > 9) {
-        zwarnnam(name, "too many arguments", NULL, 0);
+        zwarnnam(name, "too many arguments");
         return 1;
     }
 
@@ -216,7 +216,7 @@ getterminfo(UNUSED(HashTable ht), char *name)
 	pm->node.flags |= PM_SCALAR;
 	pm->gsu.s = &nullsetscalar_gsu;
     } else {
-	/* zwarn("no such capability: %s", name, 0); */
+	/* zwarn("no such capability: %s", name); */
 	pm->u.str = dupstring("");
 	pm->node.flags |= PM_UNSET;
 	pm->gsu.s = &nullsetscalar_gsu;
diff --git a/Src/Modules/zftp.c b/Src/Modules/zftp.c
index 45e04d4f8..c150f8b62 100644
--- a/Src/Modules/zftp.c
+++ b/Src/Modules/zftp.c
@@ -582,7 +582,7 @@ zfgetline(char *ln, int lnsize, int tmout)
 
     if (setjmp(zfalrmbuf)) {
 	alarm(0);
-	zwarnnam("zftp", "timeout getting response", NULL, 0);
+	zwarnnam("zftp", "timeout getting response");
 	return 6;
     }
     zfalarm(tmout);
@@ -792,7 +792,7 @@ zfgetmsg(void)
 	zcfinish = 2;		/* don't need to tell server */
 	zfclose(0);
 	/* unexpected, so tell user */
-	zwarnnam("zftp", "remote server has closed connection", NULL, 0);
+	zwarnnam("zftp", "remote server has closed connection");
 	return 6;
     }
     if (lastcode == 530) {
@@ -805,7 +805,7 @@ zfgetmsg(void)
      * It means we just hang around waiting for another reply.
      */
     if (lastcode == 120) {
-	zwarnnam("zftp", "delay expected, waiting: %s", lastmsg, 0);
+	zwarnnam("zftp", "delay expected, waiting: %s", lastmsg);
 	return zfgetmsg();
     }
 
@@ -836,7 +836,7 @@ zfsendcmd(char *cmd)
     tmout = getiparam("ZFTP_TMOUT");
     if (setjmp(zfalrmbuf)) {
 	alarm(0);
-	zwarnnam("zftp", "timeout sending message", NULL, 0);
+	zwarnnam("zftp", "timeout sending message");
 	return 6;
     }
     zfalarm(tmout);
@@ -844,8 +844,7 @@ zfsendcmd(char *cmd)
     alarm(0);
 
     if (ret <= 0) {
-	zwarnnam("zftp send", "failure sending control message: %e",
-		 NULL, errno);
+	zwarnnam("zftp send", "failure sending control message: %e", errno);
 	return 6;
     }
 
@@ -860,12 +859,12 @@ static int
 zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 {
     if (!(zfprefs & (ZFPF_SNDP|ZFPF_PASV))) {
-	zwarnnam(name, "Must set preference S or P to transfer data", NULL, 0);
+	zwarnnam(name, "Must set preference S or P to transfer data");
 	return 1;
     }
     zfsess->dfd = socket(zfsess->control->peer.a.sa_family, SOCK_STREAM, 0);
     if (zfsess->dfd < 0) {
-	zwarnnam(name, "can't get data socket: %e", NULL, errno);
+	zwarnnam(name, "can't get data socket: %e", errno);
 	return 1;
     }
 
@@ -900,7 +899,7 @@ zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 	    ptr = strchr(lastmsg, '(');
 	    if(!ptr) {
 	    bad_epsv:
-		zwarnnam(name, "bad response to EPSV: %s", lastmsg, 0);
+		zwarnnam(name, "bad response to EPSV: %s", lastmsg);
 		zfclosedata();
 		return 1;
 	    }
@@ -940,7 +939,7 @@ zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 		    break;
 	    if (sscanf(ptr, "%d,%d,%d,%d,%d,%d",
 		       nums, nums+1, nums+2, nums+3, nums+4, nums+5) != 6) {
-		zwarnnam(name, "bad response to PASV: %s", lastmsg, 0);
+		zwarnnam(name, "bad response to PASV: %s", lastmsg);
 		zfclosedata();
 		return 1;
 	    }
@@ -960,7 +959,7 @@ zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 	} while (err && errno == EINTR && !errflag);
 
 	if (err) {
-	    zwarnnam(name, "connect failed: %e", NULL, errno);
+	    zwarnnam(name, "connect failed: %e", errno);
 	    zfclosedata();
 	    return 1;
 	}
@@ -976,7 +975,7 @@ zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 	int ret;
 
 	if (!(zfprefs & ZFPF_SNDP)) {
-	    zwarnnam(name, "only sendport mode available for data", NULL, 0);
+	    zwarnnam(name, "only sendport mode available for data");
 	    return 1;
 	}
 
@@ -1027,7 +1026,7 @@ zfopendata(char *name, union tcp_sockaddr *zdsockp, int *is_passivep)
 		    addr[0],addr[1],addr[2],addr[3],port[0],port[1]);
 	}
 	if (zfsendcmd(portcmd) >= 5) {
-	    zwarnnam(name, "port command failed", NULL, 0);
+	    zwarnnam(name, "port command failed");
 	    zfclosedata();
 	    return 1;
 	}
@@ -1129,7 +1128,7 @@ zfgetdata(char *name, char *rest, char *cmd, int getsize)
 	newfd = zfmovefd(accept(zfsess->dfd, (struct sockaddr *)&zdsock, 
 				&len));
 	if (newfd < 0)
-	    zwarnnam(name, "unable to accept data: %e", NULL, errno);
+	    zwarnnam(name, "unable to accept data: %e", errno);
 	zfclosedata();
 	if (newfd < 0)
 	    return 1;
@@ -1320,7 +1319,7 @@ zfread(int fd, char *bf, off_t sz, int tmout)
 
     if (setjmp(zfalrmbuf)) {
 	alarm(0);
-	zwarnnam("zftp", "timeout on network read", NULL, 0);
+	zwarnnam("zftp", "timeout on network read");
 	return -1;
     }
     zfalarm(tmout);
@@ -1345,7 +1344,7 @@ zfwrite(int fd, char *bf, off_t sz, int tmout)
 
     if (setjmp(zfalrmbuf)) {
 	alarm(0);
-	zwarnnam("zftp", "timeout on network write", NULL, 0);
+	zwarnnam("zftp", "timeout on network write");
 	return -1;
     }
     zfalarm(tmout);
@@ -1375,7 +1374,7 @@ zfread_block(int fd, char *bf, off_t sz, int tmout)
 	    n = zfread(fd, (char *)&hdr, sizeof(hdr), tmout);
 	} while (n < 0 && errno == EINTR);
 	if (n != 3 && !zfdrrrring) {
-	    zwarnnam("zftp", "failure reading FTP block header", NULL, 0);
+	    zwarnnam("zftp", "failure reading FTP block header");
 	    return n;
 	}
 	/* size is stored in network byte order */
@@ -1386,7 +1385,7 @@ zfread_block(int fd, char *bf, off_t sz, int tmout)
 	    /*
 	     * See comments in file headers
 	     */
-	    zwarnnam("zftp", "block too large to handle", NULL, 0);
+	    zwarnnam("zftp", "block too large to handle");
 	    errno = EIO;
 	    return -1;
 	}
@@ -1403,7 +1402,7 @@ zfread_block(int fd, char *bf, off_t sz, int tmout)
 		break;
 	}
 	if (cnt) {
-	    zwarnnam("zftp", "short data block", NULL, 0);
+	    zwarnnam("zftp", "short data block");
 	    errno = EIO;
 	    return -1;
 	}
@@ -1429,7 +1428,7 @@ zfwrite_block(int fd, char *bf, off_t sz, int tmout)
 	n = zfwrite(fd, (char *)&hdr, sizeof(hdr), tmout);
     } while (n < 0 && errno == EINTR);
     if (n != 3 && !zfdrrrring) {
-	zwarnnam("zftp", "failure writing FTP block header", NULL, 0);
+	zwarnnam("zftp", "failure writing FTP block header");
 	return n;
     }
     bfptr = bf;
@@ -1586,7 +1585,7 @@ zfsenddata(char *name, int recv, int progress, off_t startat)
 			if (!zfdrrrring &&
 			    (!interact || (!errflag && errno != EPIPE))) {
 			    ret = recv ? 2 : 1;
-			    zwarnnam(name, "write failed: %e", NULL, errno);
+			    zwarnnam(name, "write failed: %e", errno);
 			} else
 			    ret = recv ? 3 : 1;
 			break;
@@ -1601,7 +1600,7 @@ zfsenddata(char *name, int recv, int progress, off_t startat)
 		if (!zfdrrrring &&
 		    (!interact || (!errflag && errno != EPIPE))) {
 		    ret = recv ? 1 : 2;
-		    zwarnnam(name, "read failed: %e", NULL, errno);
+		    zwarnnam(name, "read failed: %e", errno);
 		} else
 		    ret = recv ? 1 : 3;
 		break;
@@ -1649,7 +1648,7 @@ zfsenddata(char *name, int recv, int progress, off_t startat)
 	unsigned char msg[4] = { IAC, IP, IAC, SYNCH };
 
 	if (ret == 2)
-	    zwarnnam(name, "aborting data transfer...", NULL, 0);
+	    zwarnnam(name, "aborting data transfer...");
 
 	holdintr();
 
@@ -1709,7 +1708,7 @@ zftp_open(char *name, char **args, int flags)
 	if (zfsess->userparams)
 	    args = zfsess->userparams;
 	else {
-	    zwarnnam(name, "no host specified", NULL, 0);
+	    zwarnnam(name, "no host specified");
 	    return 1;
 	}
     }
@@ -1731,7 +1730,7 @@ zftp_open(char *name, char **args, int flags)
 	hostnam++;
 	hostsuffix = strchr(hostnam, ']');
 	if (!hostsuffix || (hostsuffix[1] && hostsuffix[1] != ':')) {
-	    zwarnnam(name, "Invalid host format: %s", hostnam, 0);
+	    zwarnnam(name, "Invalid host format: %s", hostnam);
 	    return 1;
 	}
 	*hostsuffix++ = '\0';
@@ -1761,8 +1760,7 @@ zftp_open(char *name, char **args, int flags)
     /* this is going to give 0.  why bother? */
     zprotop = getprotobyname("tcp");
     if (!zprotop) {
-	zwarnnam(name, "Can't find protocol TCP (is your network functional)?",
-		 NULL, 0);
+	zwarnnam(name, "Can't find protocol TCP (is your network functional)?");
 	return 1;
     }
     if (port < 0)
@@ -1771,7 +1769,7 @@ zftp_open(char *name, char **args, int flags)
 	zservp = getservbyport(port, "tcp");
 
     if (!zprotop || !zservp) {
-	zwarnnam(name, "Can't find port for service `%s'", portnam, 0);
+	zwarnnam(name, "Can't find port for service `%s'", portnam);
 	return 1;
     }
 
@@ -1788,9 +1786,9 @@ zftp_open(char *name, char **args, int flags)
 	alarm(0);
 	queue_signals();
 	if ((hname = getsparam("ZFTP_HOST")) && *hname) 
-	    zwarnnam(name, "timeout connecting to %s", hname, 0);
+	    zwarnnam(name, "timeout connecting to %s", hname);
 	else
-	    zwarnnam(name, "timeout on host name lookup", NULL, 0);
+	    zwarnnam(name, "timeout on host name lookup");
 	unqueue_signals();
 	zfclose(0);
 	return 1;
@@ -1818,7 +1816,7 @@ zftp_open(char *name, char **args, int flags)
 	     * on the other hand, herror() is obsolete
 	     */
 	    FAILED();
-	    zwarnnam(name, "host not found: %s", hostnam, 0);
+	    zwarnnam(name, "host not found: %s", hostnam);
 	    alarm(0);
 	    return 1;
 	}
@@ -1851,7 +1849,7 @@ zftp_open(char *name, char **args, int flags)
 	    zfunsetparam("ZFTP_HOST");
 	    zfunsetparam("ZFTP_PORT");
 	    FAILED();
-	    zwarnnam(name, "socket failed: %e", NULL, errno);
+	    zwarnnam(name, "socket failed: %e", errno);
 	    alarm(0);
 	    return 1;
 	}
@@ -1868,7 +1866,7 @@ zftp_open(char *name, char **args, int flags)
 	/* try all possible IP's */
 	for (addrp = zhostp->h_addr_list; err && *addrp; addrp++) {
 	    if(hlen != zhostp->h_length)
-		zwarnnam(name, "address length mismatch", NULL, 0);
+		zwarnnam(name, "address length mismatch");
 	    do {
 		err = tcp_connect(zfsess->control, *addrp, zhostp, zservp->s_port);
 	    } while (err && errno == EINTR && !errflag);
@@ -1879,7 +1877,7 @@ zftp_open(char *name, char **args, int flags)
 	    freehostent(zhostp);
 	    zfclose(0);
 	    FAILED();
-	    zwarnnam(name, "connect failed: %e", NULL, errno);
+	    zwarnnam(name, "connect failed: %e", errno);
 	    alarm(0);
 	    return 1;
 	}
@@ -1914,7 +1912,7 @@ zftp_open(char *name, char **args, int flags)
 
     len = sizeof(zfsess->control->sock);
     if (getsockname(zfsess->control->fd, (struct sockaddr *)&zfsess->control->sock, &len) < 0) {
-	zwarnnam(name, "getsockname failed: %e", NULL, errno);
+	zwarnnam(name, "getsockname failed: %e", errno);
 	zfclose(0);
 	return 1;
     }
@@ -1941,7 +1939,7 @@ zftp_open(char *name, char **args, int flags)
     zfsess->cin = fdopen(zfsess->control->fd, "r");
 
     if (!zfsess->cin) {
-	zwarnnam(name, "file handling error", NULL, 0);
+	zwarnnam(name, "file handling error");
 	zfclose(0);
 	return 1;
     }
@@ -2190,7 +2188,7 @@ zftp_login(char *name, char **args, UNUSED(int flags))
     if (!zfsess->control)
 	return 1;
     if (stopit == 2 || (lastcode != 230 && lastcode != 202)) {
-	zwarnnam(name, "login failed", NULL, 0);
+	zwarnnam(name, "login failed");
 	return 1;
     }
 
@@ -2198,7 +2196,7 @@ zftp_login(char *name, char **args, UNUSED(int flags))
 	int cnt;
 	for (cnt = 0; *args; args++)
 	    cnt++;
-	zwarnnam(name, "warning: %d comand arguments not used\n", NULL, cnt);
+	zwarnnam(name, "warning: %d comand arguments not used\n", cnt);
     }
     zfstatusp[zfsessno] |= ZFST_LOGI;
     zfsetparam("ZFTP_USER", ztrdup(user), ZFPM_READONLY);
@@ -2299,7 +2297,7 @@ zftp_test(UNUSED(char *name), UNUSED(char **args), UNUSED(int flags))
     /* if we have no zfsess->control, then we've just been dumped out. */
     return zfsess->control ? 0 : 2;
 #else
-    zfwarnnam(name, "not supported on this system.", NULL, 0);
+    zfwarnnam(name, "not supported on this system.");
     return 3;
 #endif /* defined(HAVE_POLL) || defined(HAVE_SELECT) */
 }
@@ -2451,7 +2449,7 @@ zftp_type(char *name, char **args, int flags)
 	 * ones we know what to do with.
 	 */
 	if (str[1] || (nt != 'A' && nt != 'B' && nt != 'I')) {
-	    zwarnnam(name, "transfer type %s not recognised", str, 0);
+	    zwarnnam(name, "transfer type %s not recognised", str);
 	    return 1;
 	}
 	
@@ -2481,7 +2479,7 @@ zftp_mode(char *name, char **args, UNUSED(int flags))
     }
     nt = str[0] = toupper(STOUC(*str));
     if (str[1] || (nt != 'S' && nt != 'B')) {
-	zwarnnam(name, "transfer mode %s not recognised", str, 0);
+	zwarnnam(name, "transfer mode %s not recognised", str);
 	return 1;
     }
     cmd[5] = (char) nt;
@@ -3017,7 +3015,7 @@ bin_zftp(char *name, char **args, UNUSED(Options ops), UNUSED(int func))
 	    break;
 
     if (!zptr->nam) {
-	zwarnnam(name, "no such subcommand: %s", cnam, 0);
+	zwarnnam(name, "no such subcommand: %s", cnam);
 	return 1;
     }
 
@@ -3025,7 +3023,7 @@ bin_zftp(char *name, char **args, UNUSED(Options ops), UNUSED(int func))
     for (n = 0; args[n]; n++)
 	;
     if (n < zptr->min || (zptr->max != -1 && n > zptr->max)) {
-	zwarnnam(name, "wrong no. of arguments for %s", cnam, 0);
+	zwarnnam(name, "wrong no. of arguments for %s", cnam);
 	return 1;
     }
 
@@ -3072,7 +3070,7 @@ bin_zftp(char *name, char **args, UNUSED(Options ops), UNUSED(int func))
 	     * with ret == 2, we just got dumped out in the test,
 	     * so enough messages already.
 	     */	       
-	    zwarnnam(fullname, "not connected.", NULL, 0);
+	    zwarnnam(fullname, "not connected.");
 	}
 	return 1;
     }
@@ -3103,7 +3101,7 @@ bin_zftp(char *name, char **args, UNUSED(Options ops), UNUSED(int func))
 		break;
 
 	    default:
-		zwarnnam(name, "preference %c not recognized", NULL, *ptr);
+		zwarnnam(name, "preference %c not recognized", *ptr);
 		break;
 	    }
 	}
diff --git a/Src/Modules/zpty.c b/Src/Modules/zpty.c
index 637d3e62f..744548f50 100644
--- a/Src/Modules/zpty.c
+++ b/Src/Modules/zpty.c
@@ -128,7 +128,7 @@ ptysettyinfo(int fd, struct ttyinfo *ti)
 	ioctl(fd, TCSETS, &ti->tio);
     /* if (ioctl(SHTTY, TCSETS, &ti->tio) == -1) */
 # endif
-	/*	zerr("settyinfo: %e",NULL,errno)*/ ;
+	/*	zerr("settyinfo: %e",errno)*/ ;
 #else
 # ifdef HAVE_TERMIO_H
 	ioctl(fd, TCSETA, &ti->tio);
@@ -300,7 +300,7 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock)
     }
 
     if (get_pty(1, &master)) {
-	zwarnnam(nam, "can't open pseudo terminal: %e", NULL, errno);
+	zwarnnam(nam, "can't open pseudo terminal: %e", errno);
 	return 1;
     }
     if ((pid = fork()) == -1) {
@@ -316,11 +316,11 @@ newptycmd(char *nam, char *pname, char **args, int echo, int nblock)
 	mypid = getpid();
 #ifdef HAVE_SETSID
 	if (setsid() != mypid) {
-	    zwarnnam(nam, "failed to create new session: %e", NULL, errno);
+	    zwarnnam(nam, "failed to create new session: %e", errno);
 #endif
 #ifdef TIOCNOTTY
 	    if (ioctl(SHTTY, TIOCNOTTY, 0))
-		zwarnnam(nam, "%e", NULL, errno);
+		zwarnnam(nam, "%e", errno);
 	    setpgrp(0L, mypid);
 #endif
 #ifdef HAVE_SETSID
@@ -478,14 +478,14 @@ ptyread(char *nam, Ptycmd cmd, char **args)
 	char *p;
 
 	if (args[2]) {
-	    zwarnnam(nam, "too many arguments", NULL, 0);
+	    zwarnnam(nam, "too many arguments");
 	    return 1;
 	}
 	p = dupstring(args[1]);
 	tokenize(p);
 	remnulargs(p);
 	if (!(prog = patcompile(p, PAT_STATIC, NULL))) {
-	    zwarnnam(nam, "bad pattern: %s", args[1], 0);
+	    zwarnnam(nam, "bad pattern: %s", args[1]);
 	    return 1;
 	}
     } else
@@ -633,17 +633,17 @@ bin_zpty(char *nam, char **args, Options ops, UNUSED(int func))
 	(OPT_ISSET(ops,'d') && (OPT_ISSET(ops,'b') || OPT_ISSET(ops,'e') ||
 				OPT_ISSET(ops,'L') || OPT_ISSET(ops,'t'))) ||
 	(OPT_ISSET(ops,'L') && (OPT_ISSET(ops,'b') || OPT_ISSET(ops,'e')))) {
-	zwarnnam(nam, "illegal option combination", NULL, 0);
+	zwarnnam(nam, "illegal option combination");
 	return 1;
     }
     if (OPT_ISSET(ops,'r') || OPT_ISSET(ops,'w')) {
 	Ptycmd p;
 
 	if (!*args) {
-	    zwarnnam(nam, "missing pty command name", NULL, 0);
+	    zwarnnam(nam, "missing pty command name");
 	    return 1;
 	} else if (!(p = getptycmd(*args))) {
-	    zwarnnam(nam, "no such pty command: %s", *args, 0);
+	    zwarnnam(nam, "no such pty command: %s", *args);
 	    return 1;
 	}
 	if (p->fin)
@@ -664,7 +664,7 @@ bin_zpty(char *nam, char **args, Options ops, UNUSED(int func))
 		if ((p = getptycmd(*args++)))
 		    deleteptycmd(p);
 		else {
-		    zwarnnam(nam, "no such pty command: %s", args[-1], 0);
+		    zwarnnam(nam, "no such pty command: %s", args[-1]);
 		    ret = 1;
 		}
 	} else
@@ -675,21 +675,21 @@ bin_zpty(char *nam, char **args, Options ops, UNUSED(int func))
 	Ptycmd p;
 
 	if (!*args) {
-	    zwarnnam(nam, "missing pty command name", NULL, 0);
+	    zwarnnam(nam, "missing pty command name");
 	    return 1;
 	} else if (!(p = getptycmd(*args))) {
-	    zwarnnam(nam, "no such pty command: %s", *args, 0);
+	    zwarnnam(nam, "no such pty command: %s", *args);
 	    return 1;
 	}
 	checkptycmd(p);
 	return p->fin;
     } else if (*args) {
 	if (!args[1]) {
-	    zwarnnam(nam, "missing command", NULL, 0);
+	    zwarnnam(nam, "missing command");
 	    return 1;
 	}
 	if (getptycmd(*args)) {
-	    zwarnnam(nam, "pty command name already used: %s", *args, 0);
+	    zwarnnam(nam, "pty command name already used: %s", *args);
 	    return 1;
 	}
 	return newptycmd(nam, *args, args + 1, OPT_ISSET(ops,'e'), 
diff --git a/Src/Modules/zselect.c b/Src/Modules/zselect.c
index 71a0d7e76..4e547a47e 100644
--- a/Src/Modules/zselect.c
+++ b/Src/Modules/zselect.c
@@ -43,12 +43,12 @@ handle_digits(char *nam, char *argptr, fd_set *fdset, int *fdmax)
     char *endptr;
 
     if (!idigit(*argptr)) {
-	zwarnnam(nam, "expecting file descriptor: %s", argptr, 0);
+	zwarnnam(nam, "expecting file descriptor: %s", argptr);
 	return 1;
     }
     fd = (int)zstrtol(argptr, &endptr, 10);
     if (*endptr) {
-	zwarnnam(nam, "garbage after file descriptor: %s", endptr, 0);
+	zwarnnam(nam, "garbage after file descriptor: %s", endptr);
 	return 1;
     }
 
@@ -95,12 +95,11 @@ bin_zselect(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		    else if (args[1]) {
 			argptr = *++args;
 		    } else {
-			zwarnnam(nam, "argument expected after -%c", NULL,
-				 *argptr);
+			zwarnnam(nam, "argument expected after -%c", *argptr);
 			return 1;
 		    }
 		    if (idigit(*argptr) || !isident(argptr)) {
-			zwarnnam(nam, "invalid array name: %s", argptr, 0);
+			zwarnnam(nam, "invalid array name: %s", argptr);
 			return 1;
 		    }
 		    if (i == 'a')
@@ -138,18 +137,17 @@ bin_zselect(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		    else if (args[1]) {
 			argptr = *++args;
 		    } else {
-			zwarnnam(nam, "argument expected after -%c", NULL, 
-				 *argptr);
+			zwarnnam(nam, "argument expected after -%c", *argptr);
 			return 1;
 		    }
 		    if (!idigit(*argptr)) {
-			zwarnnam(nam, "number expected after -t", NULL, 0);
+			zwarnnam(nam, "number expected after -t");
 			return 1;
 		    }
 		    tempnum = zstrtol(argptr, &endptr, 10);
 		    if (*endptr) {
 			zwarnnam(nam, "garbage after -t argument: %s",
-				 endptr, 0);
+				 endptr);
 			return 1;
 		    }
 		    /* timevalue now active */
@@ -180,7 +178,7 @@ bin_zselect(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 
     if (i <= 0) {
 	if (i < 0)
-	    zwarnnam(nam, "error on select: %e", NULL, errno);
+	    zwarnnam(nam, "error on select: %e", errno);
 	/* else no fd's set.  Presumably a timeout. */
 	return 1;
     }
@@ -264,8 +262,7 @@ bin_zselect(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
     return 0;
 #else
     /* TODO: use poll */
-    zerrnam(nam, "your system does not implement the select system call.",
-	    NULL, 0);
+    zerrnam(nam, "your system does not implement the select system call.");
     return 2;
 #endif
 }
diff --git a/Src/Modules/zutil.c b/Src/Modules/zutil.c
index c88e66288..c2298a782 100644
--- a/Src/Modules/zutil.c
+++ b/Src/Modules/zutil.c
@@ -265,7 +265,7 @@ bin_zstyle(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 
 	if ((oc = args[0][1]) && oc != '-') {
 	    if (args[0][2]) {
-		zwarnnam(nam, "invalid argument: %s", args[0], 0);
+		zwarnnam(nam, "invalid argument: %s", args[0]);
 		return 1;
 	    }
 	    if (oc == 'L')
@@ -287,14 +287,14 @@ bin_zstyle(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	char *pat;
 
 	if (arrlen(args) < 2) {
-	    zwarnnam(nam, "not enough arguments", NULL, 0);
+	    zwarnnam(nam, "not enough arguments");
 	    return 1;
 	}
 	pat = dupstring(args[0]);
 	tokenize(pat);
 
 	if (!(prog = patcompile(pat, PAT_ZDUP, NULL))) {
-	    zwarnnam(nam, "invalid pattern: %s", args[0], 0);
+	    zwarnnam(nam, "invalid pattern: %s", args[0]);
 	    return 1;
 	}
 	if (!(s = getstyle(args[1])))
@@ -338,15 +338,15 @@ bin_zstyle(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
     case 'm': min = 3; max =  3; break;
     case 'g': min = 1; max =  3; break;
     default:
-	zwarnnam(nam, "invalid option: %s", args[0], 0);
+	zwarnnam(nam, "invalid option: %s", args[0]);
 	return 1;
     }
     n = arrlen(args) - 1;
     if (n < min) {
-	zwarnnam(nam, "not enough arguments", NULL, 0);
+	zwarnnam(nam, "not enough arguments");
 	return 1;
     } else if (max >= 0 && n > max) {
-	zwarnnam(nam, "too many arguments", NULL, 0);
+	zwarnnam(nam, "too many arguments");
 	return 1;
     }
     switch (args[0][1]) {
@@ -697,7 +697,7 @@ bin_zformat(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
     char opt;
 
     if (args[0][0] != '-' || !(opt = args[0][1]) || args[0][2]) {
-	zwarnnam(nam, "invalid argument: %s", args[0], 0);
+	zwarnnam(nam, "invalid argument: %s", args[0]);
 	return 1;
     }
     args++;
@@ -715,7 +715,7 @@ bin_zformat(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	    for (ap = args + 2; *ap; ap++) {
 		if (!ap[0][0] || ap[0][0] == '-' || ap[0][0] == '.' ||
 		    idigit(ap[0][0]) || ap[0][1] != ':') {
-		    zwarnnam(nam, "invalid argument: %s", *ap, 0);
+		    zwarnnam(nam, "invalid argument: %s", *ap);
 		    return 1;
 		}
 		specs[STOUC(ap[0][0])] = ap[0] + 2;
@@ -784,7 +784,7 @@ bin_zformat(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	}
 	break;
     }
-    zwarnnam(nam, "invalid option: -%c", 0, opt);
+    zwarnnam(nam, "invalid option: -%c", opt);
     return 1;
 }
 
@@ -1249,9 +1249,9 @@ bin_zregexparse(char *nam, char **args, Options ops, UNUSED(int func))
     rparsestates = newlinklist();
     if (setjmp(rparseerr) || rparsealt(&result, &rparseerr) || *rparseargs) {
 	if (*rparseargs)
-	    zwarnnam(nam, "invalid regex : %s", *rparseargs, 0);
+	    zwarnnam(nam, "invalid regex : %s", *rparseargs);
 	else
-	    zwarnnam(nam, "not enough regex arguments", NULL, 0);
+	    zwarnnam(nam, "not enough regex arguments");
 	ret = 3;
     } else
 	ret = 0;
@@ -1434,7 +1434,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		break;
 	    case 'a':
 		if (defarr) {
-		    zwarnnam(nam, "default array given more than once", NULL, 0);
+		    zwarnnam(nam, "default array given more than once");
 		    return 1;
 		}
 		if (o[2])
@@ -1442,7 +1442,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		else if (*args)
 		    n = *args++;
 		else {
-		    zwarnnam(nam, "missing array name", NULL, 0);
+		    zwarnnam(nam, "missing array name");
 		    return 1;
 		}
 		defarr = (Zoptarr) zhalloc(sizeof(*defarr));
@@ -1458,7 +1458,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		else if (*args)
 		    assoc = *args++;
 		else {
-		    zwarnnam(nam, "missing array name", NULL, 0);
+		    zwarnnam(nam, "missing array name");
 		    return 1;
 		}
 		break;
@@ -1473,12 +1473,12 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	}
     }
     if (!o) {
-	zwarnnam(nam, "missing option descriptions", NULL, 0);
+	zwarnnam(nam, "missing option descriptions");
 	return 1;
     }
     while ((o = dupstring(*args++))) {
 	if (!*o) {
-	    zwarnnam(nam, "invalid option description: %s", o, 0);
+	    zwarnnam(nam, "invalid option description: %s", o);
 	    return 1;
 	}
 	f = 0;
@@ -1517,10 +1517,10 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		opt_arrs = a;
 	    }
 	} else if (*p) {
-	    zwarnnam(nam, "invalid option description: %s", args[-1], 0);
+	    zwarnnam(nam, "invalid option description: %s", args[-1]);
 	    return 1;
 	} else if (!(a = defarr) && !assoc) {
-	    zwarnnam(nam, "no default array defined: %s", args[-1], 0);
+	    zwarnnam(nam, "no default array defined: %s", args[-1]);
 	    return 1;
 	}
 	for (p = n = o; *p; p++) {
@@ -1529,7 +1529,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 	    *n++ = *p;
 	}
 	if (get_opt_desc(o)) {
-	    zwarnnam(nam, "option defined more than once: %s", o, 0);
+	    zwarnnam(nam, "option defined more than once: %s", o);
 	    return 1;
 	}
 	d = (Zoptdesc) zhalloc(sizeof(*d));
@@ -1571,7 +1571,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		    } else if (!(d->flags & ZOF_OPT)) {
 			if (!pp[1]) {
 			    zwarnnam(nam, "missing argument for option: %s",
-				    d->name, 0);
+				    d->name);
 			    return 1;
 			}
 			add_opt_val(d, *++pp);
@@ -1597,7 +1597,7 @@ bin_zparseopts(char *nam, char **args, UNUSED(Options ops), UNUSED(int func))
 		else if (!(d->flags & ZOF_OPT)) {
 		    if (!pp[1]) {
 			zwarnnam(nam, "missing argument for option: %s",
-				d->name, 0);
+				d->name);
 			return 1;
 		    }
 		    add_opt_val(d, *++pp);