[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 part of adns, which is Copyright (C) 1997-1999 Ian Jackson
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 <fcntl.h>
#include <errno.h>
#include <stdlib.h>

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

#include "harness.h"

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

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

  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");
}

static void Tensureinputfile(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");
  }

  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+1,&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);
  for (;;) {
    r= strtoul(vb2.buf+vb2.used,&ep,10);
    if (r>=max) Psyntax("fd set member > max");
    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 ,");
  }
}

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 ]");
}

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;

  Tensureinputfile();
  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);
  }
}

m4_define(`hm_syscall', `
 hm_create_proto_h
int H$1(hm_args_massage($3,void)) {
 int r;
 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,"syscallr %s",vb2.buf);
 vb2.avail= strlen(vb2.buf);
 if (vb.avail<=0 || vb2.buf[--vb2.avail]!=hm_squote\nhm_squote)
  Psyntax("badly formed line");
 vb2.buf[vb2.avail]= 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
 if (vb2.used != vb2.avail) 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_include(`hsyscalls.i4')
Commit	Line	Data
70a778e5	1	m4_dnl hplayback.c.m4
	2	m4_dnl (part of complex test harness, not of the library)
	3	m4_dnl - playback routines
	4
a719a4be	5	m4_dnl This file is part of adns, which is Copyright (C) 1997-1999 Ian Jackson
70a778e5	6	m4_dnl
	7	m4_dnl This program is free software; you can redistribute it and/or modify
	8	m4_dnl it under the terms of the GNU General Public License as published by
	9	m4_dnl the Free Software Foundation; either version 2, or (at your option)
	10	m4_dnl any later version.
	11	m4_dnl
	12	m4_dnl This program is distributed in the hope that it will be useful,
	13	m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	m4_dnl GNU General Public License for more details.
	16	m4_dnl
	17	m4_dnl You should have received a copy of the GNU General Public License
	18	m4_dnl along with this program; if not, write to the Free Software Foundation,
	19	m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	20
	21	m4_include(hmacros.i4)
	22
	23	#include <assert.h>
	24	#include <string.h>
	25	#include <fcntl.h>
	26	#include <errno.h>
	27	#include <stdlib.h>
	28
	29	#include <sys/socket.h>
	30	#include <netinet/in.h>
	31	#include <arpa/inet.h>
	32
	33	#include "harness.h"
	34
12c5b204	35	static FILE Tinputfile, Treportfile;
70a778e5	36	static vbuf vb2;
70a778e5	37
12c5b204	38	static void Tensurereportfile(void) {
	39	const char *fdstr;
	40	int fd;
	41
	42	Treportfile= stderr;
	43	fdstr= getenv("ADNS_TEST_REPORT_FD"); if (!fdstr) return;
	44	fd= atoi(fdstr);
	45	Treportfile= fdopen(fd,"a"); if (!Treportfile) Tfailed("fdopen ADNS_TEST_REPORT_FD");
	46	}
	47
70a778e5	48	static void Psyntax(const char *where) {
	49	fprintf(stderr,"adns test harness: syntax error in test log input file: %s\n",where);
	50	exit(-1);
	51	}
	52
	53	static void Pcheckinput(void) {
	54	if (ferror(Tinputfile)) Tfailed("read test log input file");
	55	if (feof(Tinputfile)) Psyntax("eof at syscall reply");
	56	}
	57
98b6d5b4	58	static void Tensureinputfile(void) {
	59	const char *fdstr;
	60	int fd;
	61	int chars;
	62	unsigned long sec, usec;
	63
	64	if (Tinputfile) return;
	65	Tinputfile= stdin;
	66	fdstr= getenv("ADNS_TEST_IN_FD");
	67	if (fdstr) {
	68	fd= atoi(fdstr);
	69	Tinputfile= fdopen(fd,"r"); if (!Tinputfile) Tfailed("fdopen ADNS_TEST_IN_FD");
	70	}
	71
	72	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	73	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
	74	chars= -1;
	75	sscanf(vb2.buf," start %lu.%lu%n",&sec,&usec,&chars);
	76	if (chars==-1) Psyntax("start time invalid");
	77	currenttime.tv_sec= sec;
	78	currenttime.tv_usec= usec;
	79	if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after start time");
	80	}
	81
70a778e5	82	static void Parg(const char *argname) {
	83	int l;
	84
	85	if (vb2.buf[vb2.used++] != hm_squote hm_squote) Psyntax("not a space before argument");
	86	l= strlen(argname);
	87	if (memcmp(vb2.buf+vb2.used,argname,l)) Psyntax("argument name wrong");
	88	vb2.used+= l;
	89	if (vb2.buf[vb2.used++] != hm_squote=hm_squote) Psyntax("not = after argument name");
	90	}
	91
8b1171e6	92	static int Pstring_maybe(const char *string) {
	93	int l;
	94
	95	l= strlen(string);
	96	if (memcmp(vb2.buf+vb2.used,string,l)) return 0;
	97	vb2.used+= l;
	98	return 1;
	99	}
	100
	101	static void Pstring(const char string, const char emsg) {
	102	if (Pstring_maybe(string)) return;
	103	Psyntax(emsg);
	104	}
	105
70a778e5	106	static int Perrno(const char *stuff) {
	107	const struct Terrno *te;
	108	int r;
	109	char *ep;
	110
	111	for (te= Terrnos; te->n && strcmp(te->n,stuff); te++);
	112	if (te->n) return te->v;
	113	r= strtoul(stuff+1,&ep,10);
	114	if (ep) Psyntax("errno value not recognised, not numeric");
	115	return r;
	116	}
	117
98b6d5b4	118	static void P_updatetime(void) {
98b6d5b4	119	int chars;
70a778e5	120	unsigned long sec, usec;
98b6d5b4	121
	122	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	123	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
70a778e5	124	chars= -1;
98b6d5b4	125	sscanf(vb2.buf," +%lu.%lu%n",&sec,&usec,&chars);
	126	if (chars==-1) Psyntax("update time invalid");
	127	currenttime.tv_sec+= sec;
	128	currenttime.tv_usec+= usec;
	129	if (currenttime.tv_usec > 1000000) {
	130	currenttime.tv_sec++;
	131	currenttime.tv_usec -= 1000000;
70a778e5	132	}
98b6d5b4	133	if (vb2.buf[chars] != hm_squote\nhm_squote) Psyntax("not newline after update time");
70a778e5	134	}
	135
	136	static void Pfdset(fd_set *set, int max) {
	137	int r, c;
	138	char *ep;
	139
	140	if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("fd set start not [");
	141	FD_ZERO(set);
	142	for (;;) {
	143	r= strtoul(vb2.buf+vb2.used,&ep,10);
	144	if (r>=max) Psyntax("fd set member > max");
	145	FD_SET(r,set);
	146	vb2.used= ep - (char*)vb2.buf;
	147	c= vb2.buf[vb2.used++];
	148	if (c == hm_squote]hm_squote) break;
	149	if (c != hm_squote,hm_squote) Psyntax("fd set separator not ,");
	150	}
	151	}
	152
8b1171e6	153	static int Ppollfdevents(void) {
	154	int events;
	155
	156	if (Pstring_maybe("0")) return 0;
	157	events= 0;
	158
	159	if (Pstring_maybe("POLLIN")) {
	160	events \|= POLLIN;
	161	if (!Pstring_maybe("\|")) return events;
	162	}
	163
	164	if (Pstring_maybe("POLLOUT")) {
	165	events \|= POLLOUT;
	166	if (!Pstring_maybe("\|")) return events;
	167	}
	168
	169	Pstring("POLLPRI","pollfdevents PRI?");
	170	return events;
	171	}
	172
	173	static void Ppollfds(struct pollfd *fds, int nfds) {
	174	int i;
	175	char *ep;
	176	const char *comma= "";
	177
	178	if (vb2.buf[vb2.used++] != hm_squote[hm_squote) Psyntax("pollfds start not [");
	179	for (i=0; i<nfds; i++) {
	180	Pstring("{fd=","{fd= in pollfds");
	181	fds->fd= strtoul(vb2.buf+vb2.used,&ep,10);
	182	vb2.used= ep - (char*)vb2.buf;
	183	Pstring(", events=",", events= in pollfds");
	184	fds->events= Ppollfdevents();
	185	Pstring(", revents=",", revents= in pollfds");
	186	fds->revents= Ppollfdevents();
	187	Pstring("}","} in pollfds");
	188	Pstring(comma,"separator in pollfds");
	189	comma= ", ";
	190	}
	191	if (vb2.buf[vb2.used++] != hm_squote]hm_squote) Psyntax("pollfds end not ]");
	192	}
	193
70a778e5	194	static void Paddr(struct sockaddr addr, int lenr) {
	195	struct sockaddr_in sa= (struct sockaddr_in)addr;
	196	char p, ep;
	197	long ul;
	198
	199	assert(lenr >= sizeof(sa));
	200	p= strchr(vb2.buf+vb2.used,':');
	201	if (!p) Psyntax("no port on address");
	202	*p++= 0;
	203	memset(sa,0,sizeof(*sa));
	204	sa->sin_family= AF_INET;
	205	if (!inet_aton(vb2.buf+vb2.used,&sa->sin_addr)) Psyntax("invalid address");
	206	ul= strtoul(p,&ep,10);
	207	if (ep && ep != hm_squote hm_squote) Psyntax("invalid port (bad syntax)");
	208	if (ul >= 65536) Psyntax("port too large");
	209	sa->sin_port= htons(ul);
	210	lenr= sizeof(sa);
	211
	212	vb2.used= ep - (char*)vb2.buf;
	213	}
	214
	215	static int Pbytes(byte *buf, int maxlen) {
	216	static const char hexdigits[]= "0123456789abcdef";
	217
	218	int c, v, done;
	219	const char *pf;
	220
	221	done= 0;
	222	for (;;) {
	223	c= getc(Tinputfile); Pcheckinput();
	224	if (c=='\n' \|\| c==' ' \|\| c=='\t') continue;
	225	if (c=='.') break;
	226	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid first hex digit");
	227	v= (pf-hexdigits)<<4;
	228	c= getc(Tinputfile); Pcheckinput();
	229	pf= strchr(hexdigits,c); if (!pf) Psyntax("invalid second hex digit");
	230	v \|= (pf-hexdigits);
	231	if (maxlen<=0) Psyntax("buffer overflow in bytes");
	232	*buf++= v;
	233	maxlen--; done++;
	234	}
	235	for (;;) {
	236	c= getc(Tinputfile); Pcheckinput();
	237	if (c=='\n') return done;
	238	}
	239	}
	240
	241	void Q_vb(void) {
	242	int r;
	243
	244	Tensureinputfile();
	245	if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
	246	r= fread(vb2.buf,1,vb.used+2,Tinputfile);
	247	if (feof(Tinputfile)) {
	248	fprintf(stderr,"adns test harness: input ends prematurely; program did:\n %.*s\n",
	249	vb.used,vb.buf);
	250	exit(-1);
	251	}
	252	Pcheckinput();
	253	if (vb2.buf[0] != hm_squote hm_squote) Psyntax("not space before call");
	254	if (memcmp(vb.buf,vb2.buf+1,vb.used) \|\|
	255	vb2.buf[vb.used+1] != hm_squote\nhm_squote) {
	256	fprintf(stderr,
	257	"adns test harness: program did unexpected:\n %.*s\n"
258	"was expecting:\n %.*s\n",
259	vb.used,vb.buf, vb.used,vb2.buf+1);
260	exit(1);
261	}
262	}
263
264	m4_define(`hm_syscall', `
265	hm_create_proto_h
266	int H$1(hm_args_massage($3,void)) {
267	int r;
268	m4_define(`hm_rv_fd',`char *ep;')
269	m4_define(`hm_rv_any',`char *ep;')
270	m4_define(`hm_rv_len',`')
271	m4_define(`hm_rv_must',`')
272	m4_define(`hm_rv_succfail',`')
73c4c523	273	m4_define(`hm_rv_fcntl',`')
70a778e5	274	$2
	275
	276	hm_create_hqcall_vars
	277	$3
	278
	279	hm_create_hqcall_init($1)
	280	$3
	281
	282	hm_create_hqcall_args
	283	Q$1(hm_args_massage($3));
	284
	285	m4_define(`hm_r_offset',`m4_len(` $1=')')
	286	if (!adns__vbuf_ensure(&vb2,1000)) Tnomem();
	287	fgets(vb2.buf,vb2.avail,Tinputfile); Pcheckinput();
12c5b204	288
	289	Tensurereportfile();
	290	fprintf(Treportfile,"syscallr %s",vb2.buf);
70a778e5	291	vb2.avail= strlen(vb2.buf);
	292	if (vb.avail<=0 \|\| vb2.buf[--vb2.avail]!=hm_squote\nhm_squote)
	293	Psyntax("badly formed line");
	294	vb2.buf[vb2.avail]= 0;
	295	if (memcmp(vb2.buf," $1=",hm_r_offset)) Psyntax("syscall reply mismatch");
	296
	297	if (vb2.buf[hm_r_offset] == hm_squoteEhm_squote) {
98b6d5b4	298	int e;
	299	e= Perrno(vb2.buf+hm_r_offset);
	300	P_updatetime();
	301	errno= e;
70a778e5	302	return -1;
	303	}
	304
	305	m4_define(`hm_rv_succfail',`
	306	if (memcmp(vb2.buf+hm_r_offset,"OK",2)) Psyntax("success/fail not E* or OK");
	307	vb2.used= hm_r_offset+2;
	308	r= 0;
	309	')
	310	m4_define(`hm_rv_len',`hm_rv_succfail')
	311	m4_define(`hm_rv_must',`hm_rv_succfail')
	312	m4_define(`hm_rv_any',`
	313	r= strtoul(vb2.buf+hm_r_offset,&ep,10);
	314	if (ep && ep!=hm_squote hm_squote) Psyntax("return value not E* or positive number");
	315	vb2.used= ep - (char*)vb2.buf;
	316	')
	317	m4_define(`hm_rv_fd',`hm_rv_any')
73c4c523	318	m4_define(`hm_rv_fcntl',`
	319	r= 0;
	320	if (cmd == F_GETFL) {
	321	if (!memcmp(vb2.buf+hm_r_offset,"O_NONBLOCK\|...",14)) {
	322	r= O_NONBLOCK;
	323	vb2.used= hm_r_offset+14;
	324	} else if (!memcmp(vb2.buf+hm_r_offset,"~O_NONBLOCK&...",15)) {
	325	vb2.used= hm_r_offset+15;
	326	} else {
	327	Psyntax("fcntl flags not O_NONBLOCK\|... or ~O_NONBLOCK&...");
	328	}
	329	} else if (cmd == F_SETFL) {
	330	hm_rv_succfail
	331	} else {
	332	Psyntax("fcntl not F_GETFL or F_SETFL");
	333	}
	334	')
70a778e5	335	$2
	336
	337	hm_create_nothing
	338	m4_define(`hm_arg_fdset_io',`Parg("$'`1"); Pfdset($'`1,$'`2);')
8b1171e6	339	m4_define(`hm_arg_pollfds_io',`Parg("$'`1"); Ppollfds($'`1,$'`2);')
70a778e5	340	m4_define(`hm_arg_addr_out',`Parg("$'`1"); Paddr($'`1,$'`2);')
70a778e5	341	$3
	342	if (vb2.used != vb2.avail) Psyntax("junk at end of line");
	343
	344	hm_create_nothing
	345	m4_define(`hm_arg_bytes_out',`r= Pbytes($'`2,$'`4);')
	346	$3
	347
98b6d5b4	348	P_updatetime();
70a778e5	349	return r;
	350	}
	351	')
	352
	353	m4_include(`hsyscalls.i4')