Modernize allocation by:

 * removing unneeded casts of void* return values
 * replacing varied and creative error messages with the allocation
   function's name
 * replacing errx() with err() so that the errno string is reported

ok beck@, jung@, millert@

11 files changed, 42 insertions, 43 deletions

diff --git a/usr.bin/mail/aux.c b/usr.bin/mail/aux.c
index a6987a1eb2e..830be426c69 100644
--- a/usr.bin/mail/aux.c
+++ b/usr.bin/mail/aux.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: aux.c,v 1.28 2015/10/13 08:49:51 guenther Exp $	*/
+/*	$OpenBSD: aux.c,v 1.29 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: aux.c,v 1.5 1997/05/13 06:15:52 mikel Exp $	*/
 
 /*
@@ -417,8 +417,8 @@ skin(char *name)
 		return(name);
 
 	/* We assume that length(input) <= length(output) */
-	if ((nbuf = (char *)malloc(strlen(name) + 1)) == NULL)
-		errx(1, "Out of memory");
+	if ((nbuf = malloc(strlen(name) + 1)) == NULL)
+		err(1, "malloc");
 	gotlt = 0;
 	lastsp = 0;
 	bufend = nbuf;
@@ -502,7 +502,7 @@ skin(char *name)
 	}
 	*cp2 = 0;
 
-	if ((cp = (char *)realloc(nbuf, strlen(nbuf) + 1)) != NULL)
+	if ((cp = realloc(nbuf, strlen(nbuf) + 1)) != NULL)
 		nbuf = cp;
 	return(nbuf);
 }
diff --git a/usr.bin/mail/cmd2.c b/usr.bin/mail/cmd2.c
index 53fa175972c..54b30bc153c 100644
--- a/usr.bin/mail/cmd2.c
+++ b/usr.bin/mail/cmd2.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cmd2.c,v 1.21 2014/03/16 18:38:30 guenther Exp $	*/
+/*	$OpenBSD: cmd2.c,v 1.22 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: cmd2.c,v 1.7 1997/05/17 19:55:10 pk Exp $	*/
 
 /*
@@ -392,12 +392,12 @@ ignore1(char **list, struct ignoretab *tab, char *which)
 		if (member(field, tab))
 			continue;
 		h = hash(field);
-		igp = (struct ignore *)calloc(1, sizeof(struct ignore));
+		igp = calloc(1, sizeof(struct ignore));
 		if (igp == NULL)
-			errx(1, "Out of memory");
+			err(1, "calloc");
 		igp->i_field = strdup(field);
 		if (igp->i_field == NULL)
-			errx(1, "Out of memory");
+			err(1, "strdup");
 		igp->i_link = tab->i_head[h];
 		tab->i_head[h] = igp;
 		tab->i_count++;
diff --git a/usr.bin/mail/cmd3.c b/usr.bin/mail/cmd3.c
index 7bdfce32623..c30d9d91b55 100644
--- a/usr.bin/mail/cmd3.c
+++ b/usr.bin/mail/cmd3.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: cmd3.c,v 1.26 2015/01/20 16:59:07 millert Exp $	*/
+/*	$OpenBSD: cmd3.c,v 1.27 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: cmd3.c,v 1.8 1997/07/09 05:29:49 mikel Exp $	*/
 
 /*
@@ -478,8 +478,8 @@ group(void *v)
 	gname = *argv;
 	h = hash(gname);
 	if ((gh = findgroup(gname)) == NULL) {
-		if ((gh = (struct grouphead *)calloc(1, sizeof(*gh))) == NULL)
-			errx(1, "Out of memory");
+		if ((gh = calloc(1, sizeof(*gh))) == NULL)
+			err(1, "calloc");
 		gh->g_name = vcopy(gname);
 		gh->g_list = NULL;
 		gh->g_link = groups[h];
@@ -493,8 +493,8 @@ group(void *v)
 	 */
 
 	for (ap = argv+1; *ap != NULL; ap++) {
-		if ((gp = (struct group *)calloc(1, sizeof(*gp))) == NULL)
-			errx(1, "Out of memory");
+		if ((gp = calloc(1, sizeof(*gp))) == NULL)
+			err(1, "calloc");
 		gp->ge_name = vcopy(*ap);
 		gp->ge_link = gh->g_list;
 		gh->g_list = gp;
@@ -725,11 +725,11 @@ alternates(void *v)
 	}
 	if (altnames != 0)
 		(void)free(altnames);
-	if ((altnames = (char **)calloc(c, sizeof(char *))) == NULL)
-		errx(1, "Out of memory");
+	if ((altnames = calloc(c, sizeof(char *))) == NULL)
+		err(1, "calloc");
 	for (ap = namelist, ap2 = altnames; *ap; ap++, ap2++) {
 		if ((*ap2 = strdup(*ap)) == NULL)
-			errx(1, "Out of memory");
+			err(1, "strdup");
 	}
 	*ap2 = 0;
 	return(0);
diff --git a/usr.bin/mail/fio.c b/usr.bin/mail/fio.c
index fef47870ed2..a10545f77cc 100644
--- a/usr.bin/mail/fio.c
+++ b/usr.bin/mail/fio.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fio.c,v 1.34 2014/12/16 18:31:06 millert Exp $	*/
+/*	$OpenBSD: fio.c,v 1.35 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: fio.c,v 1.8 1997/07/07 22:57:55 phil Exp $	*/
 
 /*
@@ -278,10 +278,9 @@ makemessage(FILE *f, int omsgCount)
 	struct message *nmessage;
 
 	size = (msgCount + 1) * sizeof(struct message);
-	nmessage = (struct message *)realloc(message, size);
+	nmessage = realloc(message, size);
 	if (nmessage == 0)
-		errx(1, "Insufficient memory for %d messages",
-		    msgCount);
+		err(1, "realloc");
 	if (omsgCount == 0 || message == NULL)
 		dot = nmessage;
 	else
diff --git a/usr.bin/mail/lex.c b/usr.bin/mail/lex.c
index d226929a752..2ad3ea3a898 100644
--- a/usr.bin/mail/lex.c
+++ b/usr.bin/mail/lex.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lex.c,v 1.38 2014/10/26 20:38:13 guenther Exp $	*/
+/*	$OpenBSD: lex.c,v 1.39 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: lex.c,v 1.10 1997/05/17 19:55:13 pk Exp $	*/
 
 /*
@@ -528,7 +528,7 @@ setmsize(int n)
 
 	msize = (n + 1) * sizeof(*msgvec);
 	if ((msgvec2 = realloc(msgvec, msize)) == NULL)
-		errx(1, "Out of memory");
+		err(1, "realloc");
 	msgvec = msgvec2;
 	memset(msgvec, 0, msize);
 }
diff --git a/usr.bin/mail/list.c b/usr.bin/mail/list.c
index 6be696f72bf..c870b9be9e7 100644
--- a/usr.bin/mail/list.c
+++ b/usr.bin/mail/list.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: list.c,v 1.19 2014/01/17 18:42:30 okan Exp $	*/
+/*	$OpenBSD: list.c,v 1.20 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: list.c,v 1.7 1997/07/09 05:23:36 mikel Exp $	*/
 
 /*
@@ -377,8 +377,8 @@ getrawlist(char *line, char **argv, int argc)
 	char *linebuf, *linebuf2;
 	size_t newsize, linebufsize = BUFSIZ;
 
-	if ((linebuf = (char *)malloc(linebufsize)) == NULL)
-		errx(1, "Out of memory");
+	if ((linebuf = malloc(linebufsize)) == NULL)
+		err(1, "malloc");
 
 	argn = 0;
 	cp = line;
@@ -399,7 +399,7 @@ getrawlist(char *line, char **argv, int argc)
 				newsize = linebufsize + BUFSIZ;
 				linebuf2 = realloc(linebuf, newsize);
 				if (linebuf2 == NULL)
-					errx(1, "Out of memory");
+					err(1, "realloc");
 				linebuf = linebuf2;
 				linebufsize = newsize;
 				cp2 = linebuf + linebufsize - BUFSIZ - 1;
diff --git a/usr.bin/mail/names.c b/usr.bin/mail/names.c
index c61640eec57..5562070c736 100644
--- a/usr.bin/mail/names.c
+++ b/usr.bin/mail/names.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: names.c,v 1.22 2015/01/20 16:59:07 millert Exp $	*/
+/*	$OpenBSD: names.c,v 1.23 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: names.c,v 1.5 1996/06/08 19:48:32 christos Exp $	*/
 
 /*
@@ -88,8 +88,8 @@ extract(char *line, int ntype)
 
 	if (line == NULL || *line == '\0')
 		return(NULL);
-	if ((nbuf = (char *)malloc(strlen(line) + 1)) == NULL)
-		errx(1, "Out of memory");
+	if ((nbuf = malloc(strlen(line) + 1)) == NULL)
+		err(1, "malloc");
 	top = NULL;
 	np = NULL;
 	cp = line;
diff --git a/usr.bin/mail/popen.c b/usr.bin/mail/popen.c
index 2ce59fe2e8d..b6299a54637 100644
--- a/usr.bin/mail/popen.c
+++ b/usr.bin/mail/popen.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: popen.c,v 1.37 2015/01/16 06:40:09 deraadt Exp $	*/
+/*	$OpenBSD: popen.c,v 1.38 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: popen.c,v 1.6 1997/05/13 06:48:42 mikel Exp $	*/
 
 /*
@@ -162,8 +162,8 @@ register_file(FILE *fp, int pipe, pid_t pid)
 {
 	struct fp *fpp;
 
-	if ((fpp = (struct fp *)malloc(sizeof(*fpp))) == NULL)
-		errx(1, "Out of memory");
+	if ((fpp = malloc(sizeof(*fpp))) == NULL)
+		err(1, "malloc");
 	fpp->fp = fp;
 	fpp->pipe = pipe;
 	fpp->pid = pid;
@@ -313,9 +313,9 @@ findchild(pid_t pid, int dont_alloc)
 			*cpp = child_freelist;
 			child_freelist = (*cpp)->link;
 		} else {
-			*cpp = (struct child *)malloc(sizeof(struct child));
+			*cpp = malloc(sizeof(struct child));
 			if (*cpp == NULL)
-				errx(1, "Out of memory");
+				err(1, "malloc");
 		}
 		(*cpp)->pid = pid;
 		(*cpp)->done = (*cpp)->free = 0;
diff --git a/usr.bin/mail/strings.c b/usr.bin/mail/strings.c
index 090e34c6188..245e7d85189 100644
--- a/usr.bin/mail/strings.c
+++ b/usr.bin/mail/strings.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: strings.c,v 1.9 2009/10/27 23:59:40 deraadt Exp $	*/
+/*	$OpenBSD: strings.c,v 1.10 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: strings.c,v 1.5 1996/06/08 19:48:40 christos Exp $	*/
 
 /*
@@ -71,9 +71,9 @@ salloc(int size)
 		errx(1, "String too large");
 	if (sp->s_topFree == NULL) {
 		index = sp - &stringdope[0];
-		sp->s_topFree = (char *)malloc(STRINGSIZE << index);
+		sp->s_topFree = malloc(STRINGSIZE << index);
 		if (sp->s_topFree == NULL)
-			errx(1, "No room for space %d", index);
+			err(1, "malloc");
 		sp->s_nextFree = sp->s_topFree;
 		sp->s_nleft = STRINGSIZE << index;
 	}
diff --git a/usr.bin/mail/temp.c b/usr.bin/mail/temp.c
index 2b9d224a862..e3c88b2c7d3 100644
--- a/usr.bin/mail/temp.c
+++ b/usr.bin/mail/temp.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: temp.c,v 1.15 2009/10/27 23:59:40 deraadt Exp $	*/
+/*	$OpenBSD: temp.c,v 1.16 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: temp.c,v 1.5 1996/06/08 19:48:42 christos Exp $	*/
 
 /*
@@ -49,7 +49,7 @@ tinit(void)
 	if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
 		tmpdir = _PATH_TMP;
 	if ((tmpdir = strdup(tmpdir)) == NULL)
-		errx(1, "Out of memory");
+		err(1, "strdup");
 
 	/* Strip trailing '/' if necessary */
 	cp = tmpdir + strlen(tmpdir) - 1;
diff --git a/usr.bin/mail/vars.c b/usr.bin/mail/vars.c
index 7f2fe5dda19..2830d900908 100644
--- a/usr.bin/mail/vars.c
+++ b/usr.bin/mail/vars.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vars.c,v 1.12 2009/10/27 23:59:40 deraadt Exp $	*/
+/*	$OpenBSD: vars.c,v 1.13 2015/10/16 17:56:07 mmcc Exp $	*/
 /*	$NetBSD: vars.c,v 1.4 1996/06/08 19:48:45 christos Exp $	*/
 
 /*
@@ -51,8 +51,8 @@ assign(char *name, char *value)
 	h = hash(name);
 	vp = lookup(name);
 	if (vp == NULL) {
-		if ((vp = (struct var *)calloc(1, sizeof(*vp))) == NULL)
-			errx(1, "Out of memory");
+		if ((vp = calloc(1, sizeof(*vp))) == NULL)
+			err(1, "calloc");
 		vp->v_name = vcopy(name);
 		vp->v_link = variables[h];
 		variables[h] = vp;
@@ -87,7 +87,7 @@ vcopy(char *str)
 	if (*str == '\0')
 		return("");
 	if ((new = strdup(str)) == NULL)
-		errx(1, "Out of memory");
+		err(1, "strdup");
 	return(new);
 }