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-rw-r--r--regress/hplayback.c598
1 files changed, 598 insertions, 0 deletions
diff --git a/regress/hplayback.c b/regress/hplayback.c
new file mode 100644
index 0000000..ed23542
--- /dev/null
+++ b/regress/hplayback.c
@@ -0,0 +1,598 @@
+#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] != '\n') Psyntax("not newline after start time");
+}
+static void Parg(const char *argname) {
+ int l;
+ if (vb2.buf[vb2.used++] != ' ') 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++] != '=') 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] != '\n') Psyntax("not newline after update time");
+}
+static void Pfdset(fd_set *set, int max) {
+ int r, c;
+ char *ep;
+ if (!set) {
+ Pstring("null","null fdset pointer");
+ return;
+ }
+ if (vb2.buf[vb2.used++] != '[') Psyntax("fd set start not [");
+ FD_ZERO(set);
+ if (vb2.buf[vb2.used] == ']') { 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 == ']') break;
+ if (c != ',') 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++] != '[') 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++] != ']') Psyntax("pollfds end not ]");
+}
+#endif
+static void Paddr(struct sockaddr *addr, int *lenr) {
+ adns_rr_addr a;
+ char *p, *q, *ep;
+ int err;
+ unsigned long ul;
+ p= vb2.buf+vb2.used;
+ if (*p!='[') {
+ q= strchr(p,':');
+ if (!q) Psyntax("missing :");
+ *q++= 0;
+ } else {
+ p++;
+ q= strchr(p,']');
+ if (!q) Psyntax("missing ]");
+ *q++= 0;
+ if (*q!=':') Psyntax("expected : after ]");
+ q++;
+ }
+ ul= strtoul(q,&ep,10);
+ if (*ep && *ep != ' ') Psyntax("invalid port (bad syntax)");
+ if (ul >= 65536) Psyntax("port too large");
+ a.len= sizeof(a.addr);
+ err= adns_text2addr(p, (int)ul, 0, &a.addr.sa,&a.len);
+ if (err) Psyntax("invalid address");
+ assert(*lenr >= a.len);
+ memcpy(addr, &a.addr, a.len);
+ *lenr= a.len;
+ 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) {
+ const char *nl;
+ Tensurerecordfile();
+ if (!adns__vbuf_ensure(&vb2,vb.used+2)) Tnomem();
+ 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] != ' ') Psyntax("not space before call");
+ if (memcmp(vb.buf,vb2.buf+1,vb.used) ||
+ vb2.buf[vb.used+1] != '\n') {
+ 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);
+}
+int Hselect( int max , fd_set *rfds , fd_set *wfds , fd_set *efds , struct timeval *to ) {
+ int r, amtread;
+ char *ep;
+ Qselect( max , rfds , wfds , efds , to );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," select=",8)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[8] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+8);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= strtoul(vb2.buf+8,&ep,10);
+ if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
+ vb2.used= ep - (char*)vb2.buf;
+ Parg("rfds"); Pfdset(rfds,max);
+ Parg("wfds"); Pfdset(wfds,max);
+ Parg("efds"); Pfdset(efds,max);
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+#ifdef HAVE_POLL
+int Hpoll( struct pollfd *fds , int nfds , int timeout ) {
+ int r, amtread;
+ char *ep;
+ Qpoll( fds , nfds , timeout );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," poll=",6)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[6] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+6);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= strtoul(vb2.buf+6,&ep,10);
+ if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
+ vb2.used= ep - (char*)vb2.buf;
+ Parg("fds"); Ppollfds(fds,nfds);
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+#endif
+int Hsocket( int domain , int type , int protocol ) {
+ int r, amtread;
+ char *ep;
+ Tmust("socket","domain",domain==AF_INET || domain==AF_INET6);
+ Tmust("socket","type",type==SOCK_STREAM || type==SOCK_DGRAM);
+ Qsocket( domain , type );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," socket=",8)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[8] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+8);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= strtoul(vb2.buf+8,&ep,10);
+ if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
+ vb2.used= ep - (char*)vb2.buf;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hfcntl( int fd , int cmd , ... ) {
+ int r, amtread;
+ va_list al; long arg;
+ Tmust("fcntl","cmd",cmd==F_SETFL || cmd==F_GETFL);
+ if (cmd == F_SETFL) {
+ va_start(al,cmd); arg= va_arg(al,long); va_end(al);
+ } else {
+ arg= 0;
+ }
+ Qfcntl( fd , cmd , arg );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," fcntl=",7)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[7] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+7);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= 0;
+ if (cmd == F_GETFL) {
+ if (!memcmp(vb2.buf+7,"O_NONBLOCK|...",14)) {
+ r= O_NONBLOCK;
+ vb2.used= 7+14;
+ } else if (!memcmp(vb2.buf+7,"~O_NONBLOCK&...",15)) {
+ vb2.used= 7+15;
+ } else {
+ Psyntax("fcntl flags not O_NONBLOCK|... or ~O_NONBLOCK&...");
+ }
+ } else if (cmd == F_SETFL) {
+ if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 7+2;
+ r= 0;
+ } else {
+ Psyntax("fcntl not F_GETFL or F_SETFL");
+ }
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hconnect( int fd , const struct sockaddr *addr , int addrlen ) {
+ int r, amtread;
+ Qconnect( fd , addr , addrlen );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," connect=",9)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[9] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+9);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+9,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 9+2;
+ r= 0;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hbind( int fd , const struct sockaddr *addr , int addrlen ) {
+ int r, amtread;
+ Qbind( fd , addr , addrlen );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," bind=",6)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[6] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+6);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+6,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 6+2;
+ r= 0;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hlisten( int fd , int backlog ) {
+ int r, amtread;
+ Qlisten( fd , backlog );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," listen=",8)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[8] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+8);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+8,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 8+2;
+ r= 0;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hclose( int fd ) {
+ int r, amtread;
+ Qclose( fd );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," close=",7)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[7] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+7);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+7,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 7+2;
+ r= 0;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hsendto( int fd , const void *msg , int msglen , unsigned int flags , const struct sockaddr *addr , int addrlen ) {
+ int r, amtread;
+ char *ep;
+ Tmust("sendto","flags",flags==0);
+ Qsendto( fd , msg , msglen , addr , addrlen );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," sendto=",8)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[8] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+8);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= strtoul(vb2.buf+8,&ep,10);
+ if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
+ vb2.used= ep - (char*)vb2.buf;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
+int Hrecvfrom( int fd , void *buf , int buflen , unsigned int flags , struct sockaddr *addr , int *addrlen ) {
+ int r, amtread;
+ Tmust("recvfrom","flags",flags==0);
+ Tmust("recvfrom","*addrlen",*addrlen>=sizeof(struct sockaddr_in));
+ Qrecvfrom( fd , buflen , *addrlen );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," recvfrom=",10)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[10] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+10);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+10,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 10+2;
+ r= 0;
+ Parg("addr"); Paddr(addr,addrlen);
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ r= Pbytes(buf,buflen);
+ P_updatetime();
+ return r;
+}
+int Hread( int fd , void *buf , size_t buflen ) {
+ int r, amtread;
+ Qread( fd , buflen );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," read=",6)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[6] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+6);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ if (memcmp(vb2.buf+6,"OK",2)) Psyntax("success/fail not E* or OK");
+ vb2.used= 6+2;
+ r= 0;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ r= Pbytes(buf,buflen);
+ P_updatetime();
+ return r;
+}
+int Hwrite( int fd , const void *buf , size_t len ) {
+ int r, amtread;
+ char *ep;
+ Qwrite( fd , buf , len );
+ 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]!='\n')
+ Psyntax("badly formed line");
+ vb2.buf[amtread]= 0;
+ if (memcmp(vb2.buf," write=",7)) Psyntax("syscall reply mismatch");
+ if (vb2.buf[7] == 'E') {
+ int e;
+ e= Perrno(vb2.buf+7);
+ P_updatetime();
+ errno= e;
+ return -1;
+ }
+ r= strtoul(vb2.buf+7,&ep,10);
+ if (*ep && *ep!=' ') Psyntax("return value not E* or positive number");
+ vb2.used= ep - (char*)vb2.buf;
+ assert(vb2.used <= amtread);
+ if (vb2.used != amtread) Psyntax("junk at end of line");
+ P_updatetime();
+ return r;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 02:21:09 +0000