[adns] / regress / hcommon.c.m4

m4_dnl hcommon.c
m4_dnl (part of complex test harness, not of the library)
m4_dnl - routines used for both record and playback

m4_dnl  This file is
m4_dnl    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
m4_dnl
m4_dnl  It is part of adns, which is
m4_dnl    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
m4_dnl    Copyright (C) 1999 Tony Finch <dot@dotat.at>
m4_dnl  
m4_dnl  This program is free software; you can redistribute it and/or modify
m4_dnl  it under the terms of the GNU General Public License as published by
m4_dnl  the Free Software Foundation; either version 2, or (at your option)
m4_dnl  any later version.
m4_dnl  
m4_dnl  This program is distributed in the hope that it will be useful,
m4_dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
m4_dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
m4_dnl  GNU General Public License for more details.
m4_dnl  
m4_dnl  You should have received a copy of the GNU General Public License
m4_dnl  along with this program; if not, write to the Free Software Foundation,
m4_dnl  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 

m4_include(hmacros.i4)

#include <string.h>
#include <errno.h>
#include <stdlib.h>

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <unistd.h>
#include <fcntl.h>

#include "harness.h"
#include "internal.h"

vbuf vb;
FILE *Toutputfile= 0;
struct timeval currenttime;

const struct Terrno Terrnos[]= {
  { "EBADF",                     EBADF                        },
  { "EAGAIN",                    EAGAIN                       },
  { "EINPROGRESS",               EINPROGRESS                  },
  { "EINTR",                     EINTR                        },
  { "EINVAL",                    EINVAL                       },
  { "EMSGSIZE",                  EMSGSIZE                     },
  { "ENOBUFS",                   ENOBUFS                      },
  { "ENOENT",                    ENOENT                       },
  { "ENOPROTOOPT",               ENOPROTOOPT                  },
  { "ENOSPC",                    ENOSPC                       },
  { "EWOULDBLOCK",               EWOULDBLOCK                  },
  { "EHOSTUNREACH",              EHOSTUNREACH                 },
  { "ECONNRESET",                ECONNRESET                   },
  { "ECONNREFUSED",              ECONNREFUSED                 },
  { "EPIPE",                     EPIPE                        },
  {  0,                          0                            }
};

static vbuf vbw;

int Hgettimeofday(struct timeval *tv, struct timezone *tz) {
  Tmust("gettimeofday","tz",!tz);
  *tv= currenttime;
  return 0;
}

int Hwritev(int fd, const struct iovec *vector, size_t count) {
  size_t i;
  
  vbw.used= 0;
  for (i=0; i<count; i++, vector++) {
    if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
  }
  return Hwrite(fd,vbw.buf,vbw.used);
}

m4_define(`hm_syscall', `
 hm_create_proto_q
void Q$1(hm_args_massage($3,void)) {

 vb.used= 0;
 Tvba("$1");
 m4_define(`hm_na',`')
 m4_define(`hm_arg_nullptr',`')
 m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
 m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
 m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);')
 m4_define(`hm_arg_timeval_in_rel_null', `
  if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
  else Tvba(" $'`1=null");')
 m4_define(`hm_arg_must', `')
 m4_define(`hm_arg_socktype', `
  Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
 m4_define(`hm_arg_ign', `')
 m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
 m4_define(`hm_arg_fcntl_cmd_arg', `
  if ($'`1 == F_SETFL) {
   Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&...");
  } else if ($'`1 == F_GETFL) {
   Tvba(" $'`1=F_GETFL");
  } else {
   Tmust("$'`1","F_GETFL/F_SETFL",0);
  }')
 m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);')
 m4_define(`hm_arg_bytes_in', `')
 m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
 m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
  $3

 hm_create_nothing
 m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
  $3

  Q_vb();
}
')

m4_define(`hm_specsyscall', `')

m4_include(`hsyscalls.i4')

void Tvbaddr(const struct sockaddr *addr, int len) {
  const struct sockaddr_in *ai= (const struct sockaddr_in*)addr;
  
  assert(len==sizeof(struct sockaddr_in));
  assert(ai->sin_family==AF_INET);
  Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
}

void Tvbbytes(const void *buf, int len) {
  const byte *bp;
  int i;

  if (!len) { Tvba("\n     ."); return; }
  for (i=0, bp=buf; i<len; i++, bp++) {
    if (!(i&31)) Tvba("\n     ");
    else if (!(i&3)) Tvba(" ");
    Tvbf("%02x",*bp);
  }
  Tvba(".");
}

void Tvbfdset(int max, const fd_set *fds) {
  int i;
  const char *comma= "";
  
  Tvba("[");
  for (i=0; i<max; i++) {
    if (!FD_ISSET(i,fds)) continue;
    Tvba(comma);
    Tvbf("%d",i);
    comma= ",";
  }
  Tvba("]");
}

static void Tvbpollevents(int events) {
  const char *delim= "";

  events &= (POLLIN|POLLOUT|POLLPRI);
  if (!events) { Tvba("0"); return; }
  if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; }
  if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; }
  if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
}

void Tvbpollfds(const struct pollfd *fds, int nfds) {
  const char *comma= "";
  
  Tvba("[");
  while (nfds>0) {
    Tvba(comma);
    Tvbf("{fd=%d, events=",fds->fd);
    Tvbpollevents(fds->events);
    Tvba(", revents=");
    Tvbpollevents(fds->revents);
    Tvba("}");
    comma= ", ";
    nfds--; fds++;
  }
  Tvba("]");
}

void Tvberrno(int e) {
  const struct Terrno *te;

  for (te= Terrnos; te->n && te->v != e; te++);
  assert(te->n);
  Tvba(te->n);
}

void Tvba(const char *str) {
  if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
}

void Tvbvf(const char *fmt, va_list al) {
  char buf[1000];
  buf[sizeof(buf)-2]= '\t';
  vsnprintf(buf,sizeof(buf),fmt,al);
  assert(buf[sizeof(buf)-2] == '\t');

  Tvba(buf);
}

void Tvbf(const char *fmt, ...) {
  va_list al;
  va_start(al,fmt);
  Tvbvf(fmt,al);
  va_end(al);
}


void Tmust(const char *call, const char *arg, int cond) {
  if (cond) return;
  fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
  exit(-1);
}

void Tfailed(const char *why) {
  fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
  exit(-1);
}

void Tnomem(void) {
  Tfailed("unable to malloc/realloc");
}

void Toutputerr(void) {
  Tfailed("write error on test harness output");
}

struct malloced {
  struct malloced *next, *back;
  size_t sz;
  unsigned long count;
  struct { double d; long ul; void *p; void (*fp)(void); } data;
};

static unsigned long malloccount, mallocfailat;
static struct { struct malloced *head, *tail; } mallocedlist;

#define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)

void *Hmalloc(size_t sz) {
  struct malloced *newnode;
  const char *mfavar;
  char *ep;

  assert(sz);

  newnode= malloc(MALLOCHSZ + sz);  if (!newnode) Tnomem();

  LIST_LINK_TAIL(mallocedlist,newnode);
  newnode->sz= sz;
  newnode->count= ++malloccount;
  if (!mallocfailat) {
    mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
    if (mfavar) {
      mallocfailat= strtoul(mfavar,&ep,10);
      if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
    } else {
      mallocfailat= ~0UL;
    }
  }
  assert(newnode->count != mallocfailat);
  memset(&newnode->data,0xc7,sz);
  return &newnode->data;
}

void Hfree(void *ptr) {
  struct malloced *oldnode;

  if (!ptr) return;

  oldnode= (void*)((char*)ptr - MALLOCHSZ);
  LIST_UNLINK(mallocedlist,oldnode);
  memset(&oldnode->data,0x38,oldnode->sz);
  free(oldnode);
}

void *Hrealloc(void *op, size_t nsz) {
  struct malloced *oldnode;
  void *np;
  size_t osz;

  if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
  np= Hmalloc(nsz);
  memcpy(np,op, osz>nsz ? nsz : osz);
  Hfree(op);
  return np;
}

void Hexit(int rv) {
  struct malloced *loopnode;

  Tshutdown();
  adns__vbuf_free(&vb);
  adns__vbuf_free(&vbw);
  if (mallocedlist.head) {
    fprintf(stderr,"adns test harness: memory leaked:");
    for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
      fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz);
    putc('\n',stderr);
    if (ferror(stderr)) exit(-1);
  }
  exit(rv);
}
Commit	Line	Data
bb7ba677	1	m4_dnl hcommon.c
	2	m4_dnl (part of complex test harness, not of the library)
	3	m4_dnl - routines used for both record and playback
	4
d942707d	5	m4_dnl This file is
3d5cde09	6	m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
d942707d	7	m4_dnl
d942707d	8	m4_dnl It is part of adns, which is
3d5cde09	9	m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
d942707d	10	m4_dnl Copyright (C) 1999 Tony Finch <dot@dotat.at>
bb7ba677	11	m4_dnl
	12	m4_dnl This program is free software; you can redistribute it and/or modify
	13	m4_dnl it under the terms of the GNU General Public License as published by
	14	m4_dnl the Free Software Foundation; either version 2, or (at your option)
	15	m4_dnl any later version.
	16	m4_dnl
	17	m4_dnl This program is distributed in the hope that it will be useful,
	18	m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	m4_dnl GNU General Public License for more details.
	21	m4_dnl
	22	m4_dnl You should have received a copy of the GNU General Public License
	23	m4_dnl along with this program; if not, write to the Free Software Foundation,
	24	m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	25
	26	m4_include(hmacros.i4)
a4f094dd	27
7d251914	28	#include <string.h>
7d251914	29	#include <errno.h>
914a5ff5	30	#include <stdlib.h>
7d251914	31
bbede9a3	32	#include <sys/types.h>
7d251914	33	#include <sys/socket.h>
	34	#include <netinet/in.h>
	35	#include <arpa/inet.h>
	36
bbede9a3	37	#include <unistd.h>
	38	#include <fcntl.h>
	39
a4f094dd	40	#include "harness.h"
	41	#include "internal.h"
	42
7d251914	43	vbuf vb;
7d251914	44	FILE *Toutputfile= 0;
98b6d5b4	45	struct timeval currenttime;
7d251914	46
7d251914	47	const struct Terrno Terrnos[]= {
a80db454	48	{ "EBADF", EBADF },
7d251914	49	{ "EAGAIN", EAGAIN },
	50	{ "EINPROGRESS", EINPROGRESS },
	51	{ "EINTR", EINTR },
	52	{ "EINVAL", EINVAL },
	53	{ "EMSGSIZE", EMSGSIZE },
	54	{ "ENOBUFS", ENOBUFS },
	55	{ "ENOENT", ENOENT },
	56	{ "ENOPROTOOPT", ENOPROTOOPT },
	57	{ "ENOSPC", ENOSPC },
	58	{ "EWOULDBLOCK", EWOULDBLOCK },
a00dbcb2	59	{ "EHOSTUNREACH", EHOSTUNREACH },
fb901bf5	60	{ "ECONNRESET", ECONNRESET },
a00dbcb2	61	{ "ECONNREFUSED", ECONNREFUSED },
a00dbcb2	62	{ "EPIPE", EPIPE },
7d251914	63	{ 0, 0 }
7d251914	64	};
a4f094dd	65
70a778e5	66	static vbuf vbw;
7d251914	67
98b6d5b4	68	int Hgettimeofday(struct timeval tv, struct timezone tz) {
	69	Tmust("gettimeofday","tz",!tz);
	70	*tv= currenttime;
	71	return 0;
	72	}
	73
70a778e5	74	int Hwritev(int fd, const struct iovec *vector, size_t count) {
	75	size_t i;
	76
	77	vbw.used= 0;
	78	for (i=0; i<count; i++, vector++) {
	79	if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
	80	}
	81	return Hwrite(fd,vbw.buf,vbw.used);
	82	}
7d251914	83
bb7ba677	84	m4_define(`hm_syscall', `
	85	hm_create_proto_q
	86	void Q$1(hm_args_massage($3,void)) {
	87
	88	vb.used= 0;
	89	Tvba("$1");
	90	m4_define(`hm_na',`')
	91	m4_define(`hm_arg_nullptr',`')
	92	m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
	93	m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
8b1171e6	94	m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);')
bb7ba677	95	m4_define(`hm_arg_timeval_in_rel_null', `
	96	if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
	97	else Tvba(" $'`1=null");')
	98	m4_define(`hm_arg_must', `')
	99	m4_define(`hm_arg_socktype', `
	100	Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
	101	m4_define(`hm_arg_ign', `')
	102	m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
	103	m4_define(`hm_arg_fcntl_cmd_arg', `
	104	if ($'`1 == F_SETFL) {
73c4c523	105	Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK\|..." : "~O_NONBLOCK&...");
73c4c523	106	} else if ($'`1 == F_GETFL) {
bb7ba677	107	Tvba(" $'`1=F_GETFL");
73c4c523	108	} else {
73c4c523	109	Tmust("$'`1","F_GETFL/F_SETFL",0);
bb7ba677	110	}')
70a778e5	111	m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);')
70a778e5	112	m4_define(`hm_arg_bytes_in', `')
bb7ba677	113	m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
	114	m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
	115	$3
7d251914	116
70a778e5	117	hm_create_nothing
	118	m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
	119	$3
	120
7d251914	121	Q_vb();
7d251914	122	}
bb7ba677	123	')
7d251914	124
0ebff22d	125	m4_define(`hm_specsyscall', `')
7d251914	126
0ebff22d	127	m4_include(`hsyscalls.i4')
7d251914	128
	129	void Tvbaddr(const struct sockaddr *addr, int len) {
	130	const struct sockaddr_in ai= (const struct sockaddr_in)addr;
	131
	132	assert(len==sizeof(struct sockaddr_in));
	133	assert(ai->sin_family==AF_INET);
bb7ba677	134	Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
7d251914	135	}
	136
	137	void Tvbbytes(const void *buf, int len) {
	138	const byte *bp;
	139	int i;
	140
68000374	141	if (!len) { Tvba("\n ."); return; }
7d251914	142	for (i=0, bp=buf; i<len; i++, bp++) {
	143	if (!(i&31)) Tvba("\n ");
	144	else if (!(i&3)) Tvba(" ");
	145	Tvbf("%02x",*bp);
	146	}
70a778e5	147	Tvba(".");
7d251914	148	}
	149
	150	void Tvbfdset(int max, const fd_set *fds) {
	151	int i;
	152	const char *comma= "";
	153
bb7ba677	154	Tvba("[");
7d251914	155	for (i=0; i<max; i++) {
	156	if (!FD_ISSET(i,fds)) continue;
	157	Tvba(comma);
	158	Tvbf("%d",i);
	159	comma= ",";
	160	}
	161	Tvba("]");
	162	}
	163
8b1171e6	164	static void Tvbpollevents(int events) {
	165	const char *delim= "";
	166
	167	events &= (POLLIN\|POLLOUT\|POLLPRI);
	168	if (!events) { Tvba("0"); return; }
	169	if (events & POLLIN) { Tvba("POLLIN"); delim= "\|"; }
	170	if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "\|"; }
	171	if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
	172	}
	173
	174	void Tvbpollfds(const struct pollfd *fds, int nfds) {
	175	const char *comma= "";
	176
	177	Tvba("[");
	178	while (nfds>0) {
	179	Tvba(comma);
	180	Tvbf("{fd=%d, events=",fds->fd);
	181	Tvbpollevents(fds->events);
	182	Tvba(", revents=");
	183	Tvbpollevents(fds->revents);
	184	Tvba("}");
	185	comma= ", ";
	186	nfds--; fds++;
	187	}
	188	Tvba("]");
	189	}
	190
7d251914	191	void Tvberrno(int e) {
7d251914	192	const struct Terrno *te;
a4f094dd	193
7d251914	194	for (te= Terrnos; te->n && te->v != e; te++);
43bb811f	195	assert(te->n);
43bb811f	196	Tvba(te->n);
a4f094dd	197	}
a4f094dd	198
7d251914	199	void Tvba(const char *str) {
	200	if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
	201	}
a4f094dd	202
7d251914	203	void Tvbvf(const char *fmt, va_list al) {
	204	char buf[1000];
	205	buf[sizeof(buf)-2]= '\t';
	206	vsnprintf(buf,sizeof(buf),fmt,al);
	207	assert(buf[sizeof(buf)-2] == '\t');
a4f094dd	208
7d251914	209	Tvba(buf);
	210	}
	211
	212	void Tvbf(const char *fmt, ...) {
	213	va_list al;
	214	va_start(al,fmt);
	215	Tvbvf(fmt,al);
	216	va_end(al);
	217	}
	218
	219
bb7ba677	220	void Tmust(const char call, const char arg, int cond) {
	221	if (cond) return;
	222	fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
	223	exit(-1);
	224	}
	225
7d251914	226	void Tfailed(const char *why) {
	227	fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
	228	exit(-1);
	229	}
	230
	231	void Tnomem(void) {
	232	Tfailed("unable to malloc/realloc");
	233	}
	234
	235	void Toutputerr(void) {
	236	Tfailed("write error on test harness output");
	237	}
914a5ff5	238
	239	struct malloced {
	240	struct malloced next, back;
	241	size_t sz;
	242	unsigned long count;
	243	struct { double d; long ul; void p; void (fp)(void); } data;
	244	};
	245
	246	static unsigned long malloccount, mallocfailat;
	247	static struct { struct malloced head, tail; } mallocedlist;
	248
	249	#define MALLOCHSZ ((char)&mallocedlist.head->data - (char)mallocedlist.head)
	250
	251	void *Hmalloc(size_t sz) {
	252	struct malloced *newnode;
	253	const char *mfavar;
	254	char *ep;
	255
	256	assert(sz);
	257
	258	newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem();
	259
	260	LIST_LINK_TAIL(mallocedlist,newnode);
	261	newnode->sz= sz;
	262	newnode->count= ++malloccount;
	263	if (!mallocfailat) {
	264	mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
	265	if (mfavar) {
	266	mallocfailat= strtoul(mfavar,&ep,10);
	267	if (!mallocfailat \|\| *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
	268	} else {
	269	mallocfailat= ~0UL;
	270	}
	271	}
	272	assert(newnode->count != mallocfailat);
	273	memset(&newnode->data,0xc7,sz);
	274	return &newnode->data;
	275	}
	276
	277	void Hfree(void *ptr) {
	278	struct malloced *oldnode;
	279
	280	if (!ptr) return;
	281
	282	oldnode= (void)((char)ptr - MALLOCHSZ);
	283	LIST_UNLINK(mallocedlist,oldnode);
	284	memset(&oldnode->data,0x38,oldnode->sz);
	285	free(oldnode);
	286	}
	287
	288	void Hrealloc(void op, size_t nsz) {
	289	struct malloced *oldnode;
	290	void *np;
	291	size_t osz;
	292
	293	if (op) { oldnode= (void)((char)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
	294	np= Hmalloc(nsz);
	295	memcpy(np,op, osz>nsz ? nsz : osz);
	296	Hfree(op);
	297	return np;
	298	}
	299
	300	void Hexit(int rv) {
	301	struct malloced *loopnode;
302
303	Tshutdown();
304	adns__vbuf_free(&vb);
305	adns__vbuf_free(&vbw);
306	if (mallocedlist.head) {
307	fprintf(stderr,"adns test harness: memory leaked:");
308	for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
309	fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz);
310	putc('\n',stderr);
311	if (ferror(stderr)) exit(-1);
312	}
313	exit(rv);
314	}