[adns] / regress / hplayback.c.m4

m4_dnl hplayback.c.m4
m4_dnl (part of complex test harness, not of the library)
m4_dnl - playback routines

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) 1999-2000 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 <assert.h>
#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 <sys/time.h>

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

#include "harness.h"

static FILE *Tinputfile, *Treportfile;
static vbuf vb2;

extern void Tshutdown(void) {
  adns__vbuf_free(&vb2);
}

static void Tensurereportfile(void) {
  const char *fdstr;
  int fd;

  if (Treportfile) return;
  Treportfile= stderr;
  fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return;
  fd= atoi(fdstr);
  Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD");
}

static void Psyntax(const char *where) {
  fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where);
  exit(-1);
}

static void Pcheckinput(void) {
  if (ferror(Tinputfile)) Tfailed("read test log input file");
  if (feof(Tinputfile)) Psyntax("eof at syscall reply");
}

void Tensurerecordfile(void) {
  const char *fdstr;
  int fd;
  int chars;
  unsigned long sec, usec;

  if (Tinputfile) return;
  Tinputfile= stdin;
  fdstr= getenv("ADNS_TEST_IN_FD");
  if (fdstr) {
    fd= atoi(fdstr);
    Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD");
  }
  setvbuf(Tinputfile,0,_IONBF,0);

  if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
  fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
  chars= -1;
  sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars);
  if (chars==-1) Psyntax("start time invalid");
  currenttime.tv_sec= sec;
  currenttime.tv_usec= usec;
  if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after start time");
}

static void Parg(const char *argname) {
  int l;

  if (vb2.buf[vb2.used++] != hm_squote hm_squote) Psyntax("not a space before argument");
  l= strlen(argname);
  if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong");
  vb2.used+= l;
  if (vb2.buf[vb2.used++] != hm_squote=hm_squote) Psyntax("not = after argument name");
}

static int Pstring_maybe(const char *string) {
  int l;

  l= strlen(string);
  if (memcmp(vb2.buf+vb2.used,string,l)) return 0;
  vb2.used+= l;
  return 1;
}

static void Pstring(const char *string, const char *emsg) {
  if (Pstring_maybe(string)) return;
  Psyntax(emsg);
}

static int Perrno(const char *stuff) {
  const struct Terrno *te;
  int r;
  char *ep;

  for (te= Terrnos; te->n && strcmp(te->n,stuff); te++);
  if (te->n) return te->v;
  r= strtoul(stuff+2,&ep,10);
  if (*ep) Psyntax("errno value not recognised, not numeric");
  return r;
}

static void P_updatetime(void) {
  int chars;
  unsigned long sec, usec;

  if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
  fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
  chars= -1;
  sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars);
  if (chars==-1) Psyntax("update time invalid");
  currenttime.tv_sec+= sec;
  currenttime.tv_usec+= usec;
  if (currenttime.tv_usec > 1000000) {
    currenttime.tv_sec++;
    currenttime.tv_usec -= 1000000;
  }
  if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after update time");
}

static void Pfdset(fd_set *set, int max) {
  int r, c;
  char *ep;
  
  if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("fd set start not [");
  FD_ZERO(set);
  if (vb2.buf[vb2.used] == hm_squote]hm_squote) { vb2.used++; return; }
  for (;;) {
    r= strtoul(vb2.buf+vb2.used,&ep,10);
    if (r>=max) Psyntax("fd set member > max");
    if (ep == (char*)vb2.buf+vb2.used) Psyntax("empty entry in fd set");
    FD_SET(r,set);
    vb2.used= ep - (char*)vb2.buf;
    c= vb2.buf[vb2.used++];
    if (c == hm_squote]hm_squote) break;
    if (c != hm_squote,hm_squote) Psyntax("fd set separator not ,");
  }
}

#ifdef HAVE_POLL
static int Ppollfdevents(void) {
  int events;

  if (Pstring_maybe("0")) return 0;
  events= 0;

  if (Pstring_maybe("POLLIN")) {
    events |= POLLIN;
    if (!Pstring_maybe("|")) return events;
  }

  if (Pstring_maybe("POLLOUT")) {
    events |= POLLOUT;
    if (!Pstring_maybe("|")) return events;
  }

  Pstring("POLLPRI","pollfdevents PRI?");
  return events;
}

static void Ppollfds(struct pollfd *fds, int nfds) {
  int i;
  char *ep;
  const char *comma= "";
  
  if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("pollfds start not [");
  for (i=0; i<nfds; i++) {
    Pstring("{fd=","{fd= in pollfds");
    fds->fd= strtoul(vb2.buf+vb2.used,&ep,10);
    vb2.used= ep - (char*)vb2.buf;    
    Pstring(", events=",", events= in pollfds");
    fds->events= Ppollfdevents();
    Pstring(", revents=",", revents= in pollfds");
    fds->revents= Ppollfdevents();
    Pstring("}","} in pollfds");
    Pstring(comma,"separator in pollfds");
    comma= ", ";
  }
  if (vb2.buf[vb2.used++] != hm_squote]hm_squote) Psyntax("pollfds end not ]");
}
#endif

static void Paddr(struct sockaddr *addr, int *lenr) {
  struct sockaddr_in *sa= (struct sockaddr_in*)addr;
  char *p, *ep;
  long ul;
  
  assert(*lenr >= sizeof(*sa));
  p= strchr(vb2.buf+vb2.used,':');
  if (!p) Psyntax("no port on address");
  *p++= 0;
  memset(sa,0,sizeof(*sa));
  sa->sin_family= AF_INET;
  if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address");
  ul= strtoul(p,&ep,10);
  if (*ep && *ep != hm_squote hm_squote) Psyntax("invalid port (bad syntax)");
  if (ul >= 65536) Psyntax("port too large");
  sa->sin_port= htons(ul);
  *lenr= sizeof(*sa);

  vb2.used= ep - (char*)vb2.buf;
}

static int Pbytes(byte *buf, int maxlen) {
  static const char hexdigits[]= "0123456789abcdef";

  int c, v, done;
  const char *pf;

  done= 0;
  for (;;) {
    c= getc(Tinputfile); Pcheckinput();
    if (c=='\n' || c==' ' || c=='\t') continue;
    if (c=='.') break;
    pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit");
    v= (pf-hexdigits)<<4;
    c= getc(Tinputfile); Pcheckinput();
    pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit");
    v |= (pf-hexdigits);
    if (maxlen<=0) Psyntax("buffer overflow in bytes");
    *buf++= v;
    maxlen--; done++;
  }
  for (;;) {
    c= getc(Tinputfile); Pcheckinput();
    if (c=='\n') return done;
  }
}
  
void Q_vb(void) {
  int r;
  const char *nl;

  Tensurerecordfile();
  if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
  r= fread(vb2.buf,1,vb.used+2,Tinputfile);
  if (feof(Tinputfile)) {
    fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n",
           vb.used,vb.buf);
    exit(-1);
  }
  Pcheckinput();
  if (vb2.buf[0] != hm_squote hm_squote) Psyntax("not space before call");
  if (memcmp(vb.buf,vb2.buf+1,vb.used) ||
      vb2.buf[vb.used+1] != hm_squote\nhm_squote) {
    fprintf(stderr,
            "adns test harness: program did unexpected:\n %.*s\n"
            "was expecting:\n %.*s\n",
            vb.used,vb.buf, vb.used,vb2.buf+1);
    exit(1);
  }
  Tensurereportfile();
  nl= memchr(vb.buf,'\n',vb.used);
  fprintf(Treportfile," %.*s\n", (int)(nl ? nl - (const char*)vb.buf : vb.used), vb.buf);
}

m4_define(`hm_syscall', `
 hm_create_proto_h
int H$1(hm_args_massage($3,void)) {
 int r, amtread;
 m4_define(`hm_rv_fd',`char *ep;')
 m4_define(`hm_rv_any',`char *ep;')
 m4_define(`hm_rv_len',`')
 m4_define(`hm_rv_must',`')
 m4_define(`hm_rv_succfail',`')
 m4_define(`hm_rv_fcntl',`')
 $2

 hm_create_hqcall_vars
 $3

 hm_create_hqcall_init($1)
 $3

 hm_create_hqcall_args
 Q$1(hm_args_massage($3));

 m4_define(`hm_r_offset',`m4_len(` $1=')')
 if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
 fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();

 Tensurereportfile();
 fprintf(Treportfile,"%s",vb2.buf);
 amtread= strlen(vb2.buf);
 if (amtread<=0 || vb2.buf[--amtread]!=hm_squote\nhm_squote)
  Psyntax("badly formed line");
 vb2.buf[amtread]= 0;
 if (memcmp(vb2.buf," $1=",hm_r_offset)) Psyntax("syscall reply mismatch");

 if (vb2.buf[hm_r_offset] == hm_squoteEhm_squote) {
  int e;
  e= Perrno(vb2.buf+hm_r_offset);
  P_updatetime();
  errno= e;
  return -1;
 }

 m4_define(`hm_rv_succfail',`
  if (memcmp(vb2.buf+hm_r_offset,"OK",2)) Psyntax("success/fail not E* or OK");
  vb2.used= hm_r_offset+2;
  r= 0;
 ')
 m4_define(`hm_rv_len',`hm_rv_succfail')
 m4_define(`hm_rv_must',`hm_rv_succfail')
 m4_define(`hm_rv_any',`
  r= strtoul(vb2.buf+hm_r_offset,&ep,10);
  if (*ep && *ep!=hm_squote hm_squote) Psyntax("return value not E* or positive number");
  vb2.used= ep - (char*)vb2.buf;
 ')
 m4_define(`hm_rv_fd',`hm_rv_any')
 m4_define(`hm_rv_fcntl',`
  r= 0;
  if (cmd == F_GETFL) {
    if (!memcmp(vb2.buf+hm_r_offset,"O_NONBLOCK|...",14)) {
      r= O_NONBLOCK;
      vb2.used= hm_r_offset+14;
    } else if (!memcmp(vb2.buf+hm_r_offset,"~O_NONBLOCK&...",15)) {
      vb2.used= hm_r_offset+15;
    } else {
      Psyntax("fcntl flags not O_NONBLOCK|... or ~O_NONBLOCK&...");
    }
  } else if (cmd == F_SETFL) {
    hm_rv_succfail
  } else {
    Psyntax("fcntl not F_GETFL or F_SETFL");
  }
 ')
 $2

 hm_create_nothing
 m4_define(`hm_arg_fdset_io',`Parg("$'`1"); Pfdset($'`1,$'`2);')
 m4_define(`hm_arg_pollfds_io',`Parg("$'`1"); Ppollfds($'`1,$'`2);')
 m4_define(`hm_arg_addr_out',`Parg("$'`1"); Paddr($'`1,$'`2);')
 $3
 assert(vb2.used <= amtread);
 if (vb2.used != amtread) Psyntax("junk at end of line");

 hm_create_nothing
 m4_define(`hm_arg_bytes_out',`r= Pbytes($'`2,$'`4);')
 $3

 P_updatetime();
 return r;
}
')

m4_define(`hm_specsyscall', `')

m4_include(`hsyscalls.i4')
Commit	Line	Data
9ba9f156	1	m4_dnl hplayback.c.m4
	2	m4_dnl (part of complex test harness, not of the library)
	3	m4_dnl - playback routines
	4
a79ac5ba	5	m4_dnl This file is
89435c42	6	m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
a79ac5ba	7	m4_dnl
a79ac5ba	8	m4_dnl It is part of adns, which is
89435c42	9	m4_dnl Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
c6826df6	10	m4_dnl Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
9ba9f156	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)
	27
	28	#include <assert.h>
	29	#include <string.h>
9ba9f156	30	#include <errno.h>
	31	#include <stdlib.h>
	32
93b54ac1	33	#include <sys/types.h>
9ba9f156	34	#include <sys/socket.h>
	35	#include <netinet/in.h>
	36	#include <arpa/inet.h>
4b30caad	37	#include <sys/time.h>
9ba9f156	38
93b54ac1	39	#include <unistd.h>
	40	#include <fcntl.h>
	41
9ba9f156	42	#include "harness.h"
9ba9f156	43
e3324da1	44	static FILE Tinputfile, Treportfile;
9ba9f156	45	static vbuf vb2;
9ba9f156	46
fc86e61f	47	extern void Tshutdown(void) {
	48	adns__vbuf_free(&vb2);
	49	}
	50
e3324da1	51	static void Tensurereportfile(void) {
	52	const char *fdstr;
	53	int fd;
	54
f63b3158	55	if (Treportfile) return;
e3324da1	56	Treportfile= stderr;
	57	fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return;
	58	fd= atoi(fdstr);
	59	Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD");
	60	}
	61
9ba9f156	62	static void Psyntax(const char *where) {
	63	fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where);
	64	exit(-1);
	65	}
	66
	67	static void Pcheckinput(void) {
	68	if (ferror(Tinputfile)) Tfailed("read test log input file");
	69	if (feof(Tinputfile)) Psyntax("eof at syscall reply");
	70	}
	71
0366bd10	72	void Tensurerecordfile(void) {
3c5796f7	73	const char *fdstr;
	74	int fd;
	75	int chars;
	76	unsigned long sec, usec;
	77
	78	if (Tinputfile) return;
	79	Tinputfile= stdin;
	80	fdstr= getenv("ADNS_TEST_IN_FD");
	81	if (fdstr) {
	82	fd= atoi(fdstr);
	83	Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD");
	84	}
8744cce8	85	setvbuf(Tinputfile,0,_IONBF,0);
3c5796f7	86
	87	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	88	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
	89	chars= -1;
	90	sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars);
	91	if (chars==-1) Psyntax("start time invalid");
	92	currenttime.tv_sec= sec;
	93	currenttime.tv_usec= usec;
	94	if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after start time");
	95	}
	96
9ba9f156	97	static void Parg(const char *argname) {
	98	int l;
	99
	100	if (vb2.buf[vb2.used++] != hm_squote hm_squote) Psyntax("not a space before argument");
	101	l= strlen(argname);
	102	if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong");
	103	vb2.used+= l;
	104	if (vb2.buf[vb2.used++] != hm_squote=hm_squote) Psyntax("not = after argument name");
	105	}
	106
2d5cce62	107	static int Pstring_maybe(const char *string) {
	108	int l;
	109
	110	l= strlen(string);
	111	if (memcmp(vb2.buf+vb2.used,string,l)) return 0;
	112	vb2.used+= l;
	113	return 1;
	114	}
	115
	116	static void Pstring(const char string, const char emsg) {
	117	if (Pstring_maybe(string)) return;
	118	Psyntax(emsg);
	119	}
	120
9ba9f156	121	static int Perrno(const char *stuff) {
	122	const struct Terrno *te;
	123	int r;
	124	char *ep;
	125
	126	for (te= Terrnos; te->n && strcmp(te->n,stuff); te++);
	127	if (te->n) return te->v;
4a3ca4ce	128	r= strtoul(stuff+2,&ep,10);
4a3ca4ce	129	if (*ep) Psyntax("errno value not recognised, not numeric");
9ba9f156	130	return r;
	131	}
	132
3c5796f7	133	static void P_updatetime(void) {
3c5796f7	134	int chars;
9ba9f156	135	unsigned long sec, usec;
3c5796f7	136
	137	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	138	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
9ba9f156	139	chars= -1;
3c5796f7	140	sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars);
	141	if (chars==-1) Psyntax("update time invalid");
	142	currenttime.tv_sec+= sec;
	143	currenttime.tv_usec+= usec;
	144	if (currenttime.tv_usec > 1000000) {
	145	currenttime.tv_sec++;
	146	currenttime.tv_usec -= 1000000;
9ba9f156	147	}
3c5796f7	148	if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after update time");
9ba9f156	149	}
	150
	151	static void Pfdset(fd_set *set, int max) {
	152	int r, c;
	153	char *ep;
	154
	155	if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("fd set start not [");
	156	FD_ZERO(set);
a067c9e9	157	if (vb2.buf[vb2.used] == hm_squote]hm_squote) { vb2.used++; return; }
9ba9f156	158	for (;;) {
	159	r= strtoul(vb2.buf+vb2.used,&ep,10);
	160	if (r>=max) Psyntax("fd set member > max");
a067c9e9	161	if (ep == (char*)vb2.buf+vb2.used) Psyntax("empty entry in fd set");
9ba9f156	162	FD_SET(r,set);
	163	vb2.used= ep - (char*)vb2.buf;
	164	c= vb2.buf[vb2.used++];
	165	if (c == hm_squote]hm_squote) break;
	166	if (c != hm_squote,hm_squote) Psyntax("fd set separator not ,");
	167	}
	168	}
	169
125de2a9	170	#ifdef HAVE_POLL
2d5cce62	171	static int Ppollfdevents(void) {
	172	int events;
	173
	174	if (Pstring_maybe("0")) return 0;
	175	events= 0;
	176
	177	if (Pstring_maybe("POLLIN")) {
	178	events \|= POLLIN;
	179	if (!Pstring_maybe("\|")) return events;
	180	}
	181
	182	if (Pstring_maybe("POLLOUT")) {
	183	events \|= POLLOUT;
	184	if (!Pstring_maybe("\|")) return events;
	185	}
	186
	187	Pstring("POLLPRI","pollfdevents PRI?");
	188	return events;
	189	}
	190
	191	static void Ppollfds(struct pollfd *fds, int nfds) {
	192	int i;
	193	char *ep;
	194	const char *comma= "";
	195
	196	if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("pollfds start not [");
	197	for (i=0; i<nfds; i++) {
	198	Pstring("{fd=","{fd= in pollfds");
	199	fds->fd= strtoul(vb2.buf+vb2.used,&ep,10);
	200	vb2.used= ep - (char*)vb2.buf;
	201	Pstring(", events=",", events= in pollfds");
	202	fds->events= Ppollfdevents();
	203	Pstring(", revents=",", revents= in pollfds");
	204	fds->revents= Ppollfdevents();
	205	Pstring("}","} in pollfds");
	206	Pstring(comma,"separator in pollfds");
	207	comma= ", ";
	208	}
	209	if (vb2.buf[vb2.used++] != hm_squote]hm_squote) Psyntax("pollfds end not ]");
	210	}
125de2a9	211	#endif
2d5cce62	212
9ba9f156	213	static void Paddr(struct sockaddr addr, int lenr) {
	214	struct sockaddr_in sa= (struct sockaddr_in)addr;
	215	char p, ep;
	216	long ul;
	217
	218	assert(lenr >= sizeof(sa));
	219	p= strchr(vb2.buf+vb2.used,':');
	220	if (!p) Psyntax("no port on address");
	221	*p++= 0;
	222	memset(sa,0,sizeof(*sa));
	223	sa->sin_family= AF_INET;
	224	if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address");
	225	ul= strtoul(p,&ep,10);
	226	if (ep && ep != hm_squote hm_squote) Psyntax("invalid port (bad syntax)");
	227	if (ul >= 65536) Psyntax("port too large");
	228	sa->sin_port= htons(ul);
	229	lenr= sizeof(sa);
	230
	231	vb2.used= ep - (char*)vb2.buf;
	232	}
	233
	234	static int Pbytes(byte *buf, int maxlen) {
	235	static const char hexdigits[]= "0123456789abcdef";
	236
	237	int c, v, done;
	238	const char *pf;
	239
	240	done= 0;
	241	for (;;) {
	242	c= getc(Tinputfile); Pcheckinput();
	243	if (c=='\n' \|\| c==' ' \|\| c=='\t') continue;
	244	if (c=='.') break;
	245	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit");
	246	v= (pf-hexdigits)<<4;
	247	c= getc(Tinputfile); Pcheckinput();
	248	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit");
	249	v \|= (pf-hexdigits);
	250	if (maxlen<=0) Psyntax("buffer overflow in bytes");
	251	*buf++= v;
	252	maxlen--; done++;
	253	}
	254	for (;;) {
	255	c= getc(Tinputfile); Pcheckinput();
	256	if (c=='\n') return done;
	257	}
	258	}
	259
	260	void Q_vb(void) {
	261	int r;
c0bc6aa8	262	const char *nl;
9ba9f156	263
0366bd10	264	Tensurerecordfile();
9ba9f156	265	if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
	266	r= fread(vb2.buf,1,vb.used+2,Tinputfile);
	267	if (feof(Tinputfile)) {
	268	fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n",
	269	vb.used,vb.buf);
	270	exit(-1);
	271	}
	272	Pcheckinput();
	273	if (vb2.buf[0] != hm_squote hm_squote) Psyntax("not space before call");
	274	if (memcmp(vb.buf,vb2.buf+1,vb.used) \|\|
	275	vb2.buf[vb.used+1] != hm_squote\nhm_squote) {
	276	fprintf(stderr,
	277	"adns test harness: program did unexpected:\n %.*s\n"
	278	"was expecting:\n %.*s\n",
	279	vb.used,vb.buf, vb.used,vb2.buf+1);
	280	exit(1);
	281	}
c0bc6aa8	282	Tensurereportfile();
	283	nl= memchr(vb.buf,'\n',vb.used);
	284	fprintf(Treportfile," %.s\n", (int)(nl ? nl - (const char)vb.buf : vb.used), vb.buf);
9ba9f156	285	}
	286
	287	m4_define(`hm_syscall', `
	288	hm_create_proto_h
	289	int H$1(hm_args_massage($3,void)) {
f63b3158	290	int r, amtread;
9ba9f156	291	m4_define(`hm_rv_fd',`char *ep;')
	292	m4_define(`hm_rv_any',`char *ep;')
	293	m4_define(`hm_rv_len',`')
	294	m4_define(`hm_rv_must',`')
	295	m4_define(`hm_rv_succfail',`')
09a06b84	296	m4_define(`hm_rv_fcntl',`')
9ba9f156	297	$2
	298
	299	hm_create_hqcall_vars
	300	$3
	301
	302	hm_create_hqcall_init($1)
	303	$3
	304
	305	hm_create_hqcall_args
	306	Q$1(hm_args_massage($3));
	307
	308	m4_define(`hm_r_offset',`m4_len(` $1=')')
	309	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	310	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
e3324da1	311
e3324da1	312	Tensurereportfile();
c0bc6aa8	313	fprintf(Treportfile,"%s",vb2.buf);
f63b3158	314	amtread= strlen(vb2.buf);
f63b3158	315	if (amtread<=0 \|\| vb2.buf[--amtread]!=hm_squote\nhm_squote)
9ba9f156	316	Psyntax("badly formed line");
f63b3158	317	vb2.buf[amtread]= 0;
9ba9f156	318	if (memcmp(vb2.buf," $1=",hm_r_offset)) Psyntax("syscall reply mismatch");
	319
	320	if (vb2.buf[hm_r_offset] == hm_squoteEhm_squote) {
3c5796f7	321	int e;
	322	e= Perrno(vb2.buf+hm_r_offset);
	323	P_updatetime();
	324	errno= e;
9ba9f156	325	return -1;
	326	}
	327
	328	m4_define(`hm_rv_succfail',`
	329	if (memcmp(vb2.buf+hm_r_offset,"OK",2)) Psyntax("success/fail not E* or OK");
	330	vb2.used= hm_r_offset+2;
	331	r= 0;
	332	')
	333	m4_define(`hm_rv_len',`hm_rv_succfail')
	334	m4_define(`hm_rv_must',`hm_rv_succfail')
	335	m4_define(`hm_rv_any',`
	336	r= strtoul(vb2.buf+hm_r_offset,&ep,10);
	337	if (ep && ep!=hm_squote hm_squote) Psyntax("return value not E* or positive number");
	338	vb2.used= ep - (char*)vb2.buf;
	339	')
	340	m4_define(`hm_rv_fd',`hm_rv_any')
09a06b84	341	m4_define(`hm_rv_fcntl',`
	342	r= 0;
	343	if (cmd == F_GETFL) {
	344	if (!memcmp(vb2.buf+hm_r_offset,"O_NONBLOCK\|...",14)) {
	345	r= O_NONBLOCK;
	346	vb2.used= hm_r_offset+14;
	347	} else if (!memcmp(vb2.buf+hm_r_offset,"~O_NONBLOCK&...",15)) {
	348	vb2.used= hm_r_offset+15;
	349	} else {
	350	Psyntax("fcntl flags not O_NONBLOCK\|... or ~O_NONBLOCK&...");
	351	}
	352	} else if (cmd == F_SETFL) {
	353	hm_rv_succfail
	354	} else {
	355	Psyntax("fcntl not F_GETFL or F_SETFL");
	356	}
	357	')
9ba9f156	358	$2
	359
	360	hm_create_nothing
	361	m4_define(`hm_arg_fdset_io',`Parg("$'`1"); Pfdset($'`1,$'`2);')
2d5cce62	362	m4_define(`hm_arg_pollfds_io',`Parg("$'`1"); Ppollfds($'`1,$'`2);')
9ba9f156	363	m4_define(`hm_arg_addr_out',`Parg("$'`1"); Paddr($'`1,$'`2);')
9ba9f156	364	$3
f63b3158	365	assert(vb2.used <= amtread);
f63b3158	366	if (vb2.used != amtread) Psyntax("junk at end of line");
9ba9f156	367
	368	hm_create_nothing
	369	m4_define(`hm_arg_bytes_out',`r= Pbytes($'`2,$'`4);')
	370	$3
	371
3c5796f7	372	P_updatetime();
9ba9f156	373	return r;
	374	}
	375	')
	376
09aee00b	377	m4_define(`hm_specsyscall', `')
09aee00b	378
9ba9f156	379	m4_include(`hsyscalls.i4')