Move mksh to external/mksh

Change-Id: I836b8764320bd498c335d97267d8b47acb97514d

1 files changed, 0 insertions, 123 deletions

diff --git a/mksh/src/lalloc.c b/mksh/src/lalloc.c
deleted file mode 100644
index 79627d1..0000000
--- a/mksh/src/lalloc.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*-
- * Copyright © 2009
- *	Thorsten Glaser <tg@mirbsd.org>
- *
- * Provided that these terms and disclaimer and all copyright notices
- * are retained or reproduced in an accompanying document, permission
- * is granted to deal in this work without restriction, including un‐
- * limited rights to use, publicly perform, distribute, sell, modify,
- * merge, give away, or sublicence.
- *
- * This work is provided “AS IS” and WITHOUT WARRANTY of any kind, to
- * the utmost extent permitted by applicable law, neither express nor
- * implied; without malicious intent or gross negligence. In no event
- * may a licensor, author or contributor be held liable for indirect,
- * direct, other damage, loss, or other issues arising in any way out
- * of dealing in the work, even if advised of the possibility of such
- * damage or existence of a defect, except proven that it results out
- * of said person’s immediate fault when using the work as intended.
- */
-
-#include "sh.h"
-
-__RCSID("$MirOS: src/bin/mksh/lalloc.c,v 1.11 2009/08/08 13:08:51 tg Exp $");
-
-/* build with CPPFLAGS+= -DUSE_REALLOC_MALLOC=0 on ancient systems */
-#if defined(USE_REALLOC_MALLOC) && (USE_REALLOC_MALLOC == 0)
-#define remalloc(p,n)	((p) == NULL ? malloc(n) : realloc((p), (n)))
-#else
-#define remalloc(p,n)	realloc((p), (n))
-#endif
-
-#define ALLOC_ISUNALIGNED(p) (((ptrdiff_t)(p)) % ALLOC_SIZE)
-
-static ALLOC_ITEM *findptr(ALLOC_ITEM **, char *, Area *);
-
-void
-ainit(Area *ap)
-{
-	/* area pointer is an ALLOC_ITEM, just the head of the list */
-	ap->next = NULL;
-}
-
-static ALLOC_ITEM *
-findptr(ALLOC_ITEM **lpp, char *ptr, Area *ap)
-{
-	void *lp;
-
-#ifndef MKSH_SMALL
-	if (ALLOC_ISUNALIGNED(ptr))
-		goto fail;
-#endif
-	/* get address of ALLOC_ITEM from user item */
-	/*
-	 * note: the alignment of "ptr" to ALLOC_SIZE is checked
-	 * above; the "void *" gets us rid of a gcc 2.95 warning
-	 */
-	*lpp = (lp = ptr - ALLOC_SIZE);
-	/* search for allocation item in group list */
-	while (ap->next != lp)
-		if ((ap = ap->next) == NULL) {
-#ifndef MKSH_SMALL
- fail:
-#endif
-			internal_errorf("rogue pointer %p", ptr);
-		}
-	return (ap);
-}
-
-void *
-aresize(void *ptr, size_t numb, Area *ap)
-{
-	ALLOC_ITEM *lp = NULL;
-
-	/* resizing (true) or newly allocating? */
-	if (ptr != NULL) {
-		ALLOC_ITEM *pp;
-
-		pp = findptr(&lp, ptr, ap);
-		pp->next = lp->next;
-	}
-
-	if ((numb >= SIZE_MAX - ALLOC_SIZE) ||
-	    (lp = remalloc(lp, numb + ALLOC_SIZE)) == NULL
-#ifndef MKSH_SMALL
-	    || ALLOC_ISUNALIGNED(lp)
-#endif
-	    )
-		internal_errorf("cannot allocate %lu data bytes",
-		    (unsigned long)numb);
-	/* this only works because Area is an ALLOC_ITEM */
-	lp->next = ap->next;
-	ap->next = lp;
-	/* return user item address */
-	return ((char *)lp + ALLOC_SIZE);
-}
-
-void
-afree(void *ptr, Area *ap)
-{
-	if (ptr != NULL) {
-		ALLOC_ITEM *lp, *pp;
-
-		pp = findptr(&lp, ptr, ap);
-		/* unhook */
-		pp->next = lp->next;
-		/* now free ALLOC_ITEM */
-		free(lp);
-	}
-}
-
-void
-afreeall(Area *ap)
-{
-	ALLOC_ITEM *lp;
-
-	/* traverse group (linked list) */
-	while ((lp = ap->next) != NULL) {
-		/* make next ALLOC_ITEM head of list */
-		ap->next = lp->next;
-		/* free old head */
-		free(lp);
-	}
-}