svn commit: r348513 - head/contrib/one-true-awk

[Warner Losh]

Author: imp
Date: Sun Jun  2 16:30:53 2019
New Revision: 348513
URL: https://svnweb.freebsd.org/changeset/base/348513

Log:
  Reapply r315426 by pfg:
  
  |    MFV r315425: one-true-awk: have calloc(3) do the multiplication.

Modified:
  head/contrib/one-true-awk/b.c

Modified: head/contrib/one-true-awk/b.c
==============================================================================
--- head/contrib/one-true-awk/b.c	Sun Jun  2 16:28:20 2019	(r348512)
+++ head/contrib/one-true-awk/b.c	Sun Jun  2 16:30:53 2019	(r348513)
@@ -148,7 +148,7 @@ fa *mkdfa(const char *s, int anchor)	/* does the real 
 	f->accept = poscnt-1;	/* penter has computed number of positions in re */
 	cfoll(f, p1);	/* set up follow sets */
 	freetr(p1);
-	if ((f->posns[0] = (int *) calloc(1, *(f->re[0].lfollow)*sizeof(int))) == NULL)
+	if ((f->posns[0] = (int *) calloc(*(f->re[0].lfollow), sizeof(int))) == NULL)
 			overflo("out of space in makedfa");
 	if ((f->posns[1] = (int *) calloc(1, sizeof(int))) == NULL)
 		overflo("out of space in makedfa");
@@ -172,7 +172,7 @@ int makeinit(fa *f, int anchor)
 	f->reset = 0;
 	k = *(f->re[0].lfollow);
 	xfree(f->posns[2]);			
-	if ((f->posns[2] = (int *) calloc(1, (k+1)*sizeof(int))) == NULL)
+	if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 		overflo("out of space in makeinit");
 	for (i=0; i <= k; i++) {
 		(f->posns[2])[i] = (f->re[0].lfollow)[i];
@@ -387,7 +387,7 @@ void cfoll(fa *f, Node *v)	/* enter follow set of each
 			setvec[i] = 0;
 		setcnt = 0;
 		follow(v);	/* computes setvec and setcnt */
-		if ((p = (int *) calloc(1, (setcnt+1)*sizeof(int))) == NULL)
+		if ((p = (int *) calloc(setcnt+1, sizeof(int))) == NULL)
 			overflo("out of space building follow set");
 		f->re[info(v)].lfollow = p;
 		*p = setcnt;
@@ -561,7 +561,7 @@ int pmatch(fa *f, const char *p0)	/* longest match, fo
 			for (i = 2; i <= f->curstat; i++)
 				xfree(f->posns[i]);
 			k = *f->posns[0];			
-			if ((f->posns[2] = (int *) calloc(1, (k+1)*sizeof(int))) == NULL)
+			if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 				overflo("out of space in pmatch");
 			for (i = 0; i <= k; i++)
 				(f->posns[2])[i] = (f->posns[0])[i];
@@ -618,7 +618,7 @@ int nematch(fa *f, const char *p0)	/* non-empty match,
 			for (i = 2; i <= f->curstat; i++)
 				xfree(f->posns[i]);
 			k = *f->posns[0];			
-			if ((f->posns[2] = (int *) calloc(1, (k+1)*sizeof(int))) == NULL)
+			if ((f->posns[2] = (int *) calloc(k+1, sizeof(int))) == NULL)
 				overflo("out of state space");
 			for (i = 0; i <= k; i++)
 				(f->posns[2])[i] = (f->posns[0])[i];
@@ -1194,7 +1194,7 @@ int cgoto(fa *f, int s, int c)
 	for (i = 0; i < NCHARS; i++)
 		f->gototab[f->curstat][i] = 0;
 	xfree(f->posns[f->curstat]);
-	if ((p = (int *) calloc(1, (setcnt+1)*sizeof(int))) == NULL)
+	if ((p = (int *) calloc(setcnt+1, sizeof(int))) == NULL)
 		overflo("out of space in cgoto");
 
 	f->posns[f->curstat] = p;