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File ksh93-sfio.dif of Package ksh (Revision 6be5bfc7c6574f4376b8769d34fd740b)

Currently displaying revision 6be5bfc7c6574f4376b8769d34fd740b , Show latest

--- src/lib/libast/include/sfio_t.h
+++ src/lib/libast/include/sfio_t.h	2013-10-11 09:22:41.000000000 +0000
@@ -34,7 +34,7 @@
 #define _SFIO_PRIVATE \
 	Sfoff_t			extent;	/* current file	size		*/ \
 	Sfoff_t			here;	/* current physical location	*/ \
-	unsigned char		unused_1;/* unused #1			*/ \
+	unsigned char		ngetr;	/* sfgetr count			*/ \
 	unsigned char		tiny[1];/* for unbuffered read stream	*/ \
 	unsigned short		bits;	/* private flags		*/ \
 	unsigned int		mode;	/* current io mode		*/ \
@@ -82,7 +82,7 @@
 	  (ssize_t)(-1),				/* val		*/ \
 	  (Sfoff_t)0,					/* extent	*/ \
 	  (Sfoff_t)0,					/* here		*/ \
-	  0,						/* getr		*/ \
+	  0,						/* ngetr	*/ \
 	  {0},						/* tiny		*/ \
 	  0,						/* bits		*/ \
 	  (unsigned int)(((type)&(SF_RDWR))|SF_INIT),	/* mode		*/ \
@@ -93,7 +93,8 @@
 	  (mutex),					/* mutex	*/ \
 	  (Void_t*)0,					/* stdio	*/ \
 	  (Sfoff_t)0,					/* lpos		*/ \
-	  (size_t)0					/* iosz		*/ \
+	  (size_t)0,					/* iosz		*/ \
+	  0						/* getr		*/ \
 	}
 
 /* function to clear an Sfio_t structure */
@@ -110,7 +111,7 @@
 	  (f)->val = (ssize_t)(-1),			/* val		*/ \
 	  (f)->extent = (Sfoff_t)(-1),			/* extent	*/ \
 	  (f)->here = (Sfoff_t)0,			/* here		*/ \
-	  (f)->getr = 0,				/* getr		*/ \
+	  (f)->ngetr = 0,				/* ngetr	*/ \
 	  (f)->tiny[0] = 0,				/* tiny		*/ \
 	  (f)->bits = 0,				/* bits		*/ \
 	  (f)->mode = 0,				/* mode		*/ \
@@ -121,7 +122,8 @@
 	  (f)->mutex = (mtx),				/* mutex	*/ \
 	  (f)->stdio = (Void_t*)0,			/* stdio	*/ \
 	  (f)->lpos = (Sfoff_t)0,			/* lpos		*/ \
-	  (f)->iosz = (size_t)0				/* iosz		*/ \
+	  (f)->iosz = (size_t)0,			/* iosz		*/ \
+	  (f)->getr = 0					/* getr		*/ \
 	)
 
 /* expose next stream inside discipline function; state saved in int f */
--- src/lib/libast/sfio/sfflsbuf.c
+++ src/lib/libast/sfio/sfflsbuf.c	2013-10-18 11:50:01.866235555 +0000
@@ -96,7 +96,7 @@ int	c;	/* if c>=0, c is also written out
 		isall = SFISALL(f,isall);
 		if((w = SFWR(f,data,n,f->disc)) > 0)
 		{	if((n -= w) > 0) /* save unwritten data, then resume */
-				memcpy((char*)f->data,(char*)data+w,n);
+				memmove((char*)f->data,(char*)data+w,n);
 			written += w;
 			f->next = f->data+n;
 			if(c < 0 && (!isall || n == 0))
--- src/lib/libast/sfio/sfmode.c
+++ src/lib/libast/sfio/sfmode.c	2013-10-11 09:26:43.000000000 +0000
@@ -258,7 +258,7 @@ reg Sfio_t*	f;	/* stream to close */
 #endif
 {
 	Sfproc_t*	p;
-	int		pid, status;
+	int		status;
 
 	if(!(p = f->proc))
 		return -1;
@@ -279,7 +279,7 @@ reg Sfio_t*	f;	/* stream to close */
 		sigcritical(SIG_REG_EXEC|SIG_REG_PROC);
 #endif
 		status = -1;
-		while ((pid = waitpid(p->pid,&status,0)) == -1 && errno == EINTR)
+		while (waitpid(p->pid,&status,0) == -1 && errno == EINTR)
 			;
 #if _PACKAGE_ast
 		status = status == -1 ?
@@ -405,12 +405,16 @@ reg int		local;	/* a local call */
 	if(f->mode&SF_GETR)
 	{	f->mode &= ~SF_GETR;
 #ifdef MAP_TYPE
-		if((f->bits&SF_MMAP) && (f->tiny[0] += 1) >= (4*SF_NMAP) )
-		{	/* turn off mmap to avoid page faulting */
-			sfsetbuf(f,(Void_t*)f->tiny,(size_t)SF_UNBOUND);
-			f->tiny[0] = 0;
+		if(f->bits&SF_MMAP)
+		{
+			if (!++f->ngetr)
+				f->tiny[0]++;
+			if(((f->tiny[0]<<8)|f->ngetr) >= (4*SF_NMAP) )
+			{	/* turn off mmap to avoid page faulting */
+				sfsetbuf(f,(Void_t*)f->tiny,(size_t)SF_UNBOUND);
+				f->ngetr = f->tiny[0] = 0;
+			}
 		}
-		else
 #endif
 		if(f->getr)
 		{	f->next[-1] = f->getr;
--- src/lib/libast/sfio/sfmove.c
+++ src/lib/libast/sfio/sfmove.c	2013-10-18 12:04:03.194735625 +0000
@@ -113,7 +113,11 @@ reg int		rc;	/* record separator */
 
 		/* try reading a block of data */
 		direct = 0;
-		if((r = fr->endb - (next = fr->next)) <= 0)
+		if(fr->rsrv && (r = -fr->rsrv->slen) > 0)
+		{	fr->rsrv->slen = 0;
+			next = fr->rsrv->data;
+		}
+		else if((r = fr->endb - (next = fr->next)) <= 0)
 		{	/* amount of data remained to be read */
 			if((w = n > MAX_SSIZE ? MAX_SSIZE : (ssize_t)n) < 0)
 			{	if(fr->extent < 0)
--- src/lib/libast/sfio/sfpoll.c
+++ src/lib/libast/sfio/sfpoll.c	2013-10-18 11:59:50.778735232 +0000
@@ -138,7 +138,7 @@ int		tm;	/* time in millisecs for select
 		while((np = SFPOLL(fds,m,tm)) < 0 )
 		{	if(errno == eintr || errno == EAGAIN)
 				errno = 0;
-			else	break;
+			else	goto report;
 		}
 		if(np > 0) /* poll succeeded */
 			np = c;
@@ -147,14 +147,14 @@ int		tm;	/* time in millisecs for select
 		{	f = fa[check[r]];
 
 			if((f->flags&SF_WRITE) && !WRREADY(f) )
-			{	if(fds[m].revents&POLLOUT)
+			{	if(fds[m].revents&(POLLOUT|POLLHUP|POLLERR))
 					status[check[r]] |= SF_WRITE;
 			}
 
 			if((f->flags&SF_READ)  && !RDREADY(f))
 			{	if((f->mode&SF_WRITE) && HASAUXFD(f))
 					m += 1;
-				if(fds[m].revents&POLLIN)
+				if(fds[m].revents&(POLLIN|POLLHUP|POLLERR))
 					status[check[r]] |= SF_READ;
 			}
 		}
@@ -200,7 +200,7 @@ int		tm;	/* time in millisecs for select
 		while((np = select(m+1,&rd,&wr,NIL(fd_set*),tmp)) < 0 )
 		{	if(errno == eintr)
 				errno = 0;
-			else	break;
+			else	goto report;
 		}
 		if(np > 0)
 			np = c;
@@ -227,6 +227,7 @@ int		tm;	/* time in millisecs for select
 	}
 #endif /*_lib_select*/
 
+ report:
 	for(r = c = 0; c < n; ++c)
 	{	if(status[c] == 0)
 			continue;
--- src/lib/libast/sfio/sfpool.c
+++ src/lib/libast/sfio/sfpool.c	2013-10-18 11:49:25.614237061 +0000
@@ -138,7 +138,7 @@ int		n;	/* current position in pool	*/
 			else	/* write failed, recover buffer then quit */
 			{	if(w > 0)
 				{	v -= w;
-					memcpy(head->data,(head->data+w),v);
+					memmove(head->data,(head->data+w),v);
 				}
 				head->next = head->data+v;
 				goto done;
@@ -147,7 +147,7 @@ int		n;	/* current position in pool	*/
 
 		/* move data from head to f */
 		if((head->data+k) != f->data )
-			memcpy(f->data,(head->data+k),v);
+			memmove(f->data,(head->data+k),v);
 		f->next = f->data+v;
 	}
 
--- src/lib/libast/sfio/sfsetbuf.c
+++ src/lib/libast/sfio/sfsetbuf.c	2013-10-18 12:02:37.534736056 +0000
@@ -190,7 +190,9 @@ size_t	size;	/* buffer size, -1 for defa
 #ifdef MAP_TYPE
 	if(f->bits&SF_MMAP)
 	{	if(f->data)
-		{	SFMUNMAP(f,f->data,f->endb-f->data);
+		{	if(f->getr && (f->mode&SF_GETR) && f->next)
+				f->next[-1] = f->getr;
+			SFMUNMAP(f,f->data,f->endb-f->data);
 			f->data = NIL(uchar*);
 		}
 	} else
@@ -204,6 +206,8 @@ size_t	size;	/* buffer size, -1 for defa
 
 	f->flags &= ~SF_MALLOC;
 	f->bits  &= ~SF_MMAP;
+	f->mode &= ~SF_GETR;
+	f->getr = 0;
 
 	/* pure read/string streams must have a valid string */
 	if((f->flags&(SF_RDWR|SF_STRING)) == SF_RDSTR &&
@@ -254,6 +258,15 @@ size_t	size;	/* buffer size, -1 for defa
 #endif
 		}
 
+		/* set page size, this is also the desired default buffer size */
+		if(_Sfpage <= 0)
+		{
+#if _lib_getpagesize
+			if((_Sfpage = (size_t)getpagesize()) <= 0)
+#endif
+				_Sfpage = SF_PAGE;
+		}
+
 #if SFSETLINEMODE
 		if(init)
 			f->flags |= sfsetlinemode();
@@ -308,15 +325,6 @@ size_t	size;	/* buffer size, -1 for defa
 					(void)_sfpopen(f,-1,-1,1);
 			}
 		}
-
-		/* set page size, this is also the desired default buffer size */
-		if(_Sfpage <= 0)
-		{
-#if _lib_getpagesize
-			if((_Sfpage = (size_t)getpagesize()) <= 0)
-#endif
-				_Sfpage = SF_PAGE;
-		}
 	}
 
 #ifdef MAP_TYPE
--- src/lib/libast/string/stropt.c
+++ src/lib/libast/string/stropt.c	2013-01-03 17:20:37.000000000 +0100
@@ -90,7 +90,7 @@ stropt(const char* as, const void* tab,
 			{
 				for (p = (char**)tab; t = *p; p = (char**)((char*)p + siz))
 				{
-					for (v = s; *t && *t++ == *v; v++);
+					for (v = s; *t && *t == *v; t++, v++);
 					if (!*t || isspace(*v) || *v == ',' || *v == '=')
 						break;
 					if (*v == ':' && *(v + 1) == '=')
--- src/lib/libast/vmalloc/vmopen.c
+++ src/lib/libast/vmalloc/vmopen.c	2013-10-18 13:54:50.918235639 +0000
@@ -68,19 +68,22 @@ int		mode;	/* type of region		*/
 	Block_t		*bp, *np;
 	Seg_t		*seg;
 	Vmuchar_t	*addr;
-	int		rv;
+	int		rv, mt;
 
 	if(!meth || !disc || !disc->memoryf )
 		return NIL(Vmalloc_t*);
 
 	GETPAGESIZE(_Vmpagesize);
 
+	mode = (mode&VM_FLAGS) | meth->meth; /* start with user-settable flags */
+
 	vmp = &vmproto; /* avoid memory allocation here! */
 	memset(vmp, 0, sizeof(Vmalloc_t));
 	memcpy(&vmp->meth, meth, sizeof(Vmethod_t));
+	mt = vmp->meth.meth;
+	vmp->meth.meth = 0;
 	vmp->disc = disc;
 
-	mode &= VM_FLAGS; /* start with user-settable flags */
 	size = 0;
 
 	if(disc->exceptf)
@@ -155,6 +158,8 @@ int		mode;	/* type of region		*/
 		seg->free = bp;
 	else	vd->wild = bp;
 
+	vmp->meth.meth = mt;
+
 done:	/* now make the region handle */
 	if(vd->mode&VM_MEMORYF)
 		vm = &init->vm.vm;

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File ksh93-sfio.dif of Package ksh (Revision 6be5bfc7c6574f4376b8769d34fd740b)

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