_POSIX_C_SOURCE >= 200112L implies C99.
[glibc/history.git] / sunrpc / rpc_main.c
blob8a7d3695e28e1e86209ad6d6379d0874ff271f26
1 /*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user or with the express written consent of
8 * Sun Microsystems, Inc.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
32 * From @(#)rpc_main.c 1.30 89/03/30 (C) 1987 SMI;
36 * rpc_main.c, Top level of the RPC protocol compiler.
39 #include <errno.h>
40 #include <stdio.h>
41 #include <string.h>
42 #include <unistd.h>
43 #include <libintl.h>
44 #include <ctype.h>
45 #include <sys/types.h>
46 #include <sys/param.h>
47 #include <sys/file.h>
48 #include <sys/stat.h>
49 #include <sys/wait.h>
50 #include "rpc_parse.h"
51 #include "rpc_util.h"
52 #include "rpc_scan.h"
53 #include "proto.h"
55 #include "../version.h"
56 #define PACKAGE _libc_intl_domainname
58 #define EXTEND 1 /* alias for TRUE */
59 #define DONT_EXTEND 0 /* alias for FALSE */
61 struct commandline
63 int cflag; /* xdr C routines */
64 int hflag; /* header file */
65 int lflag; /* client side stubs */
66 int mflag; /* server side stubs */
67 int nflag; /* netid flag */
68 int sflag; /* server stubs for the given transport */
69 int tflag; /* dispatch Table file */
70 int Ssflag; /* produce server sample code */
71 int Scflag; /* produce client sample code */
72 int makefileflag; /* Generate a template Makefile */
73 const char *infile; /* input module name */
74 const char *outfile; /* output module name */
78 static const char *cmdname;
80 #define SVR4_CPP "/usr/ccs/lib/cpp"
81 #define SUNOS_CPP "/lib/cpp"
83 static const char *svcclosetime = "120";
84 static int cppDefined; /* explicit path for C preprocessor */
85 static const char *CPP = SUNOS_CPP;
86 static const char CPPFLAGS[] = "-C";
87 static char *pathbuf;
88 static int cpp_pid;
89 static const char *allv[] =
91 "rpcgen", "-s", "udp", "-s", "tcp"
93 static int allc = sizeof (allv) / sizeof (allv[0]);
94 static const char *allnv[] =
96 "rpcgen", "-s", "netpath",
98 static int allnc = sizeof (allnv) / sizeof (allnv[0]);
101 * machinations for handling expanding argument list
103 static void addarg (const char *); /* add another argument to the list */
104 static void putarg (int, const char *); /* put argument at specified location */
105 static void clear_args (void); /* clear argument list */
106 static void checkfiles (const char *, const char *);
107 /* check if out file already exists */
109 static void clear_args (void);
110 static char *extendfile (const char *file, const char *ext);
111 static void open_output (const char *infile, const char *outfile);
112 static void add_warning (void);
113 static void clear_args (void);
114 static void find_cpp (void);
115 static void open_input (const char *infile, const char *define);
116 static int check_nettype (const char *name, const char *list_to_check[]);
117 static void c_output (const char *infile, const char *define,
118 int extend, const char *outfile);
119 static void h_output (const char *infile, const char *define,
120 int extend, const char *outfile);
121 static void s_output (int argc, const char *argv[], const char *infile,
122 const char *define, int extend,
123 const char *outfile, int nomain, int netflag);
124 static void l_output (const char *infile, const char *define,
125 int extend, const char *outfile);
126 static void t_output (const char *infile, const char *define,
127 int extend, const char *outfile);
128 static void svc_output (const char *infile, const char *define,
129 int extend, const char *outfile);
130 static void clnt_output (const char *infile, const char *define,
131 int extend, const char *outfile);
132 static void mkfile_output (struct commandline *cmd);
133 static int do_registers (int argc, const char *argv[]);
134 static void addarg (const char *cp);
135 static void putarg (int whereto, const char *cp);
136 static void checkfiles (const char *infile, const char *outfile);
137 static int parseargs (int argc, const char *argv[], struct commandline *cmd);
138 static void usage (FILE *stream, int status) __attribute__ ((noreturn));
139 static void options_usage (FILE *stream, int status) __attribute__ ((noreturn));
140 static void print_version (void);
141 static void c_initialize (void);
142 static char *generate_guard (const char *pathname);
145 #define ARGLISTLEN 20
146 #define FIXEDARGS 2
148 static const char *arglist[ARGLISTLEN];
149 static int argcount = FIXEDARGS;
152 int nonfatalerrors; /* errors */
153 int inetdflag /* = 1 */ ; /* Support for inetd *//* is now the default */
154 int pmflag; /* Support for port monitors */
155 int logflag; /* Use syslog instead of fprintf for errors */
156 int tblflag; /* Support for dispatch table file */
157 int mtflag; /* Support for MT */
159 #define INLINE 3
160 /*length at which to start doing an inline */
162 int inlineflag = INLINE; /* length at which to start doing an inline. 3 = default
163 if 0, no xdr_inline code */
165 int indefinitewait; /* If started by port monitors, hang till it wants */
166 int exitnow; /* If started by port monitors, exit after the call */
167 int timerflag; /* TRUE if !indefinite && !exitnow */
168 int newstyle; /* newstyle of passing arguments (by value) */
169 #ifdef __GNU_LIBRARY__
170 int Cflag = 1; /* ANSI C syntax */
171 #else
172 int Cflag; /* ANSI C/C++ syntax */
173 #endif
174 int CCflag; /* C++ files */
175 static int allfiles; /* generate all files */
176 #ifdef __GNU_LIBRARY__
177 int tirpcflag; /* generating code for tirpc, by default */
178 #else
179 int tirpcflag = 1; /* generating code for tirpc, by default */
180 #endif
181 xdrfunc *xdrfunc_head; /* xdr function list */
182 xdrfunc *xdrfunc_tail; /* xdr function list */
185 main (int argc, const char *argv[])
187 struct commandline cmd;
189 (void) memset ((char *) &cmd, 0, sizeof (struct commandline));
190 clear_args ();
191 if (!parseargs (argc, argv, &cmd))
192 usage (stderr, 1);
194 if (cmd.cflag || cmd.hflag || cmd.lflag || cmd.tflag || cmd.sflag ||
195 cmd.mflag || cmd.nflag || cmd.Ssflag || cmd.Scflag)
197 checkfiles (cmd.infile, cmd.outfile);
199 else
200 checkfiles (cmd.infile, NULL);
202 if (cmd.cflag)
203 c_output (cmd.infile, "-DRPC_XDR", DONT_EXTEND, cmd.outfile);
204 else if (cmd.hflag)
205 h_output (cmd.infile, "-DRPC_HDR", DONT_EXTEND, cmd.outfile);
206 else if (cmd.lflag)
207 l_output (cmd.infile, "-DRPC_CLNT", DONT_EXTEND, cmd.outfile);
208 else if (cmd.sflag || cmd.mflag || (cmd.nflag))
209 s_output (argc, argv, cmd.infile, "-DRPC_SVC", DONT_EXTEND,
210 cmd.outfile, cmd.mflag, cmd.nflag);
211 else if (cmd.tflag)
212 t_output (cmd.infile, "-DRPC_TBL", DONT_EXTEND, cmd.outfile);
213 else if (cmd.Ssflag)
214 svc_output (cmd.infile, "-DRPC_SERVER", DONT_EXTEND, cmd.outfile);
215 else if (cmd.Scflag)
216 clnt_output (cmd.infile, "-DRPC_CLIENT", DONT_EXTEND, cmd.outfile);
217 else if (cmd.makefileflag)
218 mkfile_output (&cmd);
219 else
221 /* the rescans are required, since cpp may effect input */
222 c_output (cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
223 reinitialize ();
224 h_output (cmd.infile, "-DRPC_HDR", EXTEND, ".h");
225 reinitialize ();
226 l_output (cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
227 reinitialize ();
228 if (inetdflag || !tirpcflag)
229 s_output (allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
230 "_svc.c", cmd.mflag, cmd.nflag);
231 else
232 s_output (allnc, allnv, cmd.infile, "-DRPC_SVC",
233 EXTEND, "_svc.c", cmd.mflag, cmd.nflag);
234 if (tblflag)
236 reinitialize ();
237 t_output (cmd.infile, "-DRPC_TBL", EXTEND, "_tbl.i");
239 if (allfiles)
241 reinitialize ();
242 svc_output (cmd.infile, "-DRPC_SERVER", EXTEND, "_server.c");
243 reinitialize ();
244 clnt_output (cmd.infile, "-DRPC_CLIENT", EXTEND, "_client.c");
246 if (allfiles || (cmd.makefileflag == 1))
248 reinitialize ();
249 mkfile_output (&cmd);
253 return nonfatalerrors;
257 * add extension to filename
259 static char *
260 extendfile (const char *file, const char *ext)
262 char *res;
263 const char *p;
265 res = alloc (strlen (file) + strlen (ext) + 1);
266 if (res == NULL)
267 abort ();
268 p = strrchr (file, '.');
269 if (p == NULL)
270 p = file + strlen (file);
271 strcpy (res, file);
272 strcpy (res + (p - file), ext);
273 return res;
277 * Open output file with given extension
279 static void
280 open_output (const char *infile, const char *outfile)
282 if (outfile == NULL)
284 fout = stdout;
285 return;
288 if (infile != NULL && streq (outfile, infile))
290 fprintf (stderr, _ ("%s: output would overwrite %s\n"), cmdname,
291 infile);
292 crash ();
294 fout = fopen (outfile, "w");
295 if (fout == NULL)
297 fprintf (stderr, _ ("%s: unable to open %s: %m\n"), cmdname, outfile);
298 crash ();
300 record_open (outfile);
303 /* Close the output file and check for write errors. */
304 static void
305 close_output (const char *outfile)
307 if (fclose (fout) == EOF)
309 fprintf (stderr, _("%s: while writing output %s: %m"), cmdname,
310 outfile ?: "<stdout>");
311 crash ();
315 static void
316 add_warning (void)
318 fprintf (fout, "/*\n");
319 fprintf (fout, " * Please do not edit this file.\n");
320 fprintf (fout, " * It was generated using rpcgen.\n");
321 fprintf (fout, " */\n\n");
324 /* clear list of arguments */
325 static void
326 clear_args (void)
328 int i;
329 for (i = FIXEDARGS; i < ARGLISTLEN; ++i)
330 arglist[i] = NULL;
331 argcount = FIXEDARGS;
334 /* make sure that a CPP exists */
335 static void
336 find_cpp (void)
338 struct stat buf;
340 if (stat (CPP, &buf) < 0)
341 { /* /lib/cpp or explicit cpp does not exist */
342 if (cppDefined)
344 fprintf (stderr, _ ("cannot find C preprocessor: %s \n"), CPP);
345 crash ();
347 else
348 { /* try the other one */
349 CPP = SVR4_CPP;
350 if (stat (CPP, &buf) < 0)
351 { /* can't find any cpp */
352 fputs (_ ("cannot find any C preprocessor (cpp)\n"), stdout);
353 crash ();
360 * Open input file with given define for C-preprocessor
362 static void
363 open_input (const char *infile, const char *define)
365 int pd[2];
367 infilename = (infile == NULL) ? "<stdin>" : infile;
368 if (pipe (pd) != 0)
370 perror ("pipe");
371 exit (1);
373 cpp_pid = fork ();
374 switch (cpp_pid)
376 case 0:
377 find_cpp ();
378 putarg (0, CPP);
379 putarg (1, CPPFLAGS);
380 addarg (define);
381 if (infile)
382 addarg (infile);
383 addarg ((char *) NULL);
384 close (1);
385 dup2 (pd[1], 1);
386 close (pd[0]);
387 execv (arglist[0], (char **) arglist);
388 perror ("execv");
389 exit (1);
390 case -1:
391 perror ("fork");
392 exit (1);
394 close (pd[1]);
395 fin = fdopen (pd[0], "r");
396 if (fin == NULL)
398 fprintf (stderr, "%s: ", cmdname);
399 perror (infilename);
400 crash ();
404 /* Close the connection to the C-preprocessor and check for successfull
405 termination. */
406 static void
407 close_input (void)
409 int status;
411 fclose (fin);
412 /* Check the termination status. */
413 if (waitpid (cpp_pid, &status, 0) < 0)
415 perror ("waitpid");
416 crash ();
418 if (WIFSIGNALED (status) || WEXITSTATUS (status) != 0)
420 if (WIFSIGNALED (status))
421 fprintf (stderr, _("%s: C preprocessor failed with signal %d\n"),
422 cmdname, WTERMSIG (status));
423 else
424 fprintf (stderr, _("%s: C preprocessor failed with exit code %d\n"),
425 cmdname, WEXITSTATUS (status));
426 crash ();
430 /* valid tirpc nettypes */
431 static const char *valid_ti_nettypes[] =
433 "netpath",
434 "visible",
435 "circuit_v",
436 "datagram_v",
437 "circuit_n",
438 "datagram_n",
439 "udp",
440 "tcp",
441 "raw",
442 NULL
445 /* valid inetd nettypes */
446 static const char *valid_i_nettypes[] =
448 "udp",
449 "tcp",
450 NULL
453 static int
454 check_nettype (const char *name, const char *list_to_check[])
456 int i;
457 for (i = 0; list_to_check[i] != NULL; i++)
459 if (strcmp (name, list_to_check[i]) == 0)
461 return 1;
464 fprintf (stderr, _ ("illegal nettype: `%s'\n"), name);
465 return 0;
469 * Compile into an XDR routine output file
472 static void
473 c_output (const char *infile, const char *define, int extend,
474 const char *outfile)
476 definition *def;
477 char *include;
478 const char *outfilename;
479 long tell;
481 c_initialize ();
482 open_input (infile, define);
483 outfilename = extend ? extendfile (infile, outfile) : outfile;
484 open_output (infile, outfilename);
485 add_warning ();
486 if (infile && (include = extendfile (infile, ".h")))
488 fprintf (fout, "#include \"%s\"\n", include);
489 free (include);
490 /* .h file already contains rpc/rpc.h */
492 else
493 fprintf (fout, "#include <rpc/rpc.h>\n");
494 tell = ftell (fout);
495 while ((def = get_definition ()) != NULL)
496 emit (def);
498 if (extend && tell == ftell (fout))
499 unlink (outfilename);
500 close_input ();
501 close_output (outfilename);
504 void
505 c_initialize (void)
508 /* add all the starting basic types */
510 add_type (1, "int");
511 add_type (1, "long");
512 add_type (1, "short");
513 add_type (1, "bool");
515 add_type (1, "u_int");
516 add_type (1, "u_long");
517 add_type (1, "u_short");
521 char rpcgen_table_dcl[] = "struct rpcgen_table {\n\
522 char *(*proc)();\n\
523 xdrproc_t xdr_arg;\n\
524 unsigned len_arg;\n\
525 xdrproc_t xdr_res;\n\
526 unsigned len_res;\n\
527 };\n";
530 static char *
531 generate_guard (const char *pathname)
533 const char *filename;
534 char *guard, *tmp;
536 filename = strrchr (pathname, '/'); /* find last component */
537 filename = ((filename == NULL) ? pathname : filename + 1);
538 guard = extendfile (filename, "_H_RPCGEN");
539 /* convert to upper case */
540 tmp = guard;
541 while (*tmp)
543 if (islower (*tmp))
544 *tmp = toupper (*tmp);
545 tmp++;
548 return guard;
552 * Compile into an XDR header file
556 static void
557 h_output (const char *infile, const char *define, int extend,
558 const char *outfile)
560 xdrfunc *xdrfuncp;
561 definition *def;
562 const char *ifilename;
563 const char *outfilename;
564 long tell;
565 char *guard;
566 list *l;
568 open_input (infile, define);
569 outfilename = extend ? extendfile (infile, outfile) : outfile;
570 open_output (infile, outfilename);
571 add_warning ();
572 ifilename = (infile == NULL) ? "STDIN" : infile;
573 guard = generate_guard (outfilename ? outfilename : ifilename);
575 fprintf (fout, "#ifndef _%s\n#define _%s\n\n", guard,
576 guard);
578 fprintf (fout, "#include <rpc/rpc.h>\n\n");
580 if (mtflag)
582 fprintf (fout, "#include <pthread.h>\n");
585 /* put the C++ support */
586 if (Cflag && !CCflag)
588 fprintf (fout, "\n#ifdef __cplusplus\n");
589 fprintf (fout, "extern \"C\" {\n");
590 fprintf (fout, "#endif\n\n");
593 tell = ftell (fout);
594 /* print data definitions */
595 while ((def = get_definition ()) != NULL)
597 print_datadef (def);
600 /* print function declarations.
601 Do this after data definitions because they might be used as
602 arguments for functions */
603 for (l = defined; l != NULL; l = l->next)
605 print_funcdef (l->val);
607 /* Now print all xdr func declarations */
608 if (xdrfunc_head != NULL)
610 fprintf (fout, "\n/* the xdr functions */\n");
611 if (CCflag)
613 fprintf (fout, "\n#ifdef __cplusplus\n");
614 fprintf (fout, "extern \"C\" {\n");
615 fprintf (fout, "#endif\n");
617 if (!Cflag)
619 xdrfuncp = xdrfunc_head;
620 while (xdrfuncp != NULL)
622 print_xdr_func_def (xdrfuncp->name,
623 xdrfuncp->pointerp, 2);
624 xdrfuncp = xdrfuncp->next;
627 else
629 int i;
631 for (i = 1; i < 3; ++i)
633 if (i == 1)
634 fprintf (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
635 else
636 fprintf (fout, "\n#else /* K&R C */\n");
638 xdrfuncp = xdrfunc_head;
639 while (xdrfuncp != NULL)
641 print_xdr_func_def (xdrfuncp->name,
642 xdrfuncp->pointerp, i);
643 xdrfuncp = xdrfuncp->next;
646 fprintf (fout, "\n#endif /* K&R C */\n");
650 if (extend && tell == ftell (fout))
652 unlink (outfilename);
654 else if (tblflag)
656 fprintf (fout, rpcgen_table_dcl);
659 if (Cflag)
661 fprintf (fout, "\n#ifdef __cplusplus\n");
662 fprintf (fout, "}\n");
663 fprintf (fout, "#endif\n");
666 fprintf (fout, "\n#endif /* !_%s */\n", guard);
667 free (guard);
668 close_input ();
669 close_output (outfilename);
673 * Compile into an RPC service
675 static void
676 s_output (int argc, const char *argv[], const char *infile, const char *define,
677 int extend, const char *outfile, int nomain, int netflag)
679 char *include;
680 definition *def;
681 int foundprogram = 0;
682 const char *outfilename;
684 open_input (infile, define);
685 outfilename = extend ? extendfile (infile, outfile) : outfile;
686 open_output (infile, outfilename);
687 add_warning ();
688 if (infile && (include = extendfile (infile, ".h")))
690 fprintf (fout, "#include \"%s\"\n", include);
691 free (include);
693 else
694 fprintf (fout, "#include <rpc/rpc.h>\n");
696 fprintf (fout, "#include <stdio.h>\n");
697 fprintf (fout, "#include <stdlib.h>\n");
698 fprintf (fout, "#include <rpc/pmap_clnt.h>\n");
699 if (Cflag)
700 fprintf (fout, "#include <string.h>\n");
701 if (strcmp (svcclosetime, "-1") == 0)
702 indefinitewait = 1;
703 else if (strcmp (svcclosetime, "0") == 0)
704 exitnow = 1;
705 else if (inetdflag || pmflag)
707 fprintf (fout, "#include <signal.h>\n");
708 timerflag = 1;
711 if (!tirpcflag && inetdflag)
712 #ifdef __GNU_LIBRARY__
713 fprintf (fout, "#include <sys/ioctl.h> /* ioctl, TIOCNOTTY */\n");
714 #else
715 fprintf (fout, "#include <sys/ttycom.h>/* TIOCNOTTY */\n");
716 #endif
717 if (Cflag && (inetdflag || pmflag))
719 #ifdef __GNU_LIBRARY__
720 fprintf (fout, "#include <sys/types.h> /* open */\n");
721 fprintf (fout, "#include <sys/stat.h> /* open */\n");
722 fprintf (fout, "#include <fcntl.h> /* open */\n");
723 fprintf (fout, "#include <unistd.h> /* getdtablesize */\n");
724 #else
725 fprintf (fout, "#ifdef __cplusplus\n");
726 fprintf (fout, "#include <sysent.h> /* getdtablesize, open */\n");
727 fprintf (fout, "#endif /* __cplusplus */\n");
728 if (tirpcflag)
729 fprintf (fout, "#include <unistd.h> /* setsid */\n");
730 #endif
732 #ifdef __GNU_LIBRARY__
733 if (tirpcflag && !(Cflag && (inetdflag || pmflag)))
734 #else
735 if (tirpcflag)
736 #endif
737 fprintf (fout, "#include <sys/types.h>\n");
739 fprintf (fout, "#include <memory.h>\n");
740 #ifndef __GNU_LIBRARY__
741 fprintf (fout, "#include <stropts.h>\n");
742 #endif
743 if (inetdflag || !tirpcflag)
745 fprintf (fout, "#include <sys/socket.h>\n");
746 fprintf (fout, "#include <netinet/in.h>\n");
749 if ((netflag || pmflag) && tirpcflag && !nomain)
751 fprintf (fout, "#include <netconfig.h>\n");
753 if ( /*timerflag && */ tirpcflag)
754 fprintf (fout, "#include <sys/resource.h> /* rlimit */\n");
755 if (logflag || inetdflag || pmflag)
757 #ifdef __GNU_LIBRARY__
758 fprintf (fout, "#include <syslog.h>\n");
759 #else
760 fprintf (fout, "#ifdef SYSLOG\n");
761 fprintf (fout, "#include <syslog.h>\n");
762 fprintf (fout, "#else\n");
763 fprintf (fout, "#define LOG_ERR 1\n");
764 fprintf (fout, "#define openlog(a, b, c)\n");
765 fprintf (fout, "#endif\n");
766 #endif
769 /* for ANSI-C */
770 if (Cflag)
771 fprintf (fout, "\n#ifndef SIG_PF\n#define SIG_PF void(*)(int)\n#endif\n");
773 #ifndef __GNU_LIBRARY__
774 fprintf (fout, "\n#ifdef DEBUG\n#define RPC_SVC_FG\n#endif\n");
775 #endif
776 if (timerflag)
777 fprintf (fout, "\n#define _RPCSVC_CLOSEDOWN %s\n", svcclosetime);
778 while ((def = get_definition ()) != NULL)
780 foundprogram |= (def->def_kind == DEF_PROGRAM);
782 if (extend && !foundprogram)
784 unlink (outfilename);
785 return;
787 write_most (infile, netflag, nomain);
788 if (!nomain)
790 if (!do_registers (argc, argv))
792 if (outfilename)
793 unlink (outfilename);
794 usage (stderr, 1);
796 write_rest ();
798 close_input ();
799 close_output (outfilename);
803 * generate client side stubs
805 static void
806 l_output (const char *infile, const char *define, int extend,
807 const char *outfile)
809 char *include;
810 definition *def;
811 int foundprogram = 0;
812 const char *outfilename;
814 open_input (infile, define);
815 outfilename = extend ? extendfile (infile, outfile) : outfile;
816 open_output (infile, outfilename);
817 add_warning ();
818 if (Cflag)
819 fprintf (fout, "#include <memory.h> /* for memset */\n");
820 if (infile && (include = extendfile (infile, ".h")))
822 fprintf (fout, "#include \"%s\"\n", include);
823 free (include);
825 else
826 fprintf (fout, "#include <rpc/rpc.h>\n");
827 while ((def = get_definition ()) != NULL)
829 foundprogram |= (def->def_kind == DEF_PROGRAM);
831 if (extend && !foundprogram)
833 unlink (outfilename);
834 return;
836 write_stubs ();
837 close_input ();
838 close_output (outfilename);
842 * generate the dispatch table
844 static void
845 t_output (const char *infile, const char *define, int extend,
846 const char *outfile)
848 definition *def;
849 int foundprogram = 0;
850 const char *outfilename;
852 open_input (infile, define);
853 outfilename = extend ? extendfile (infile, outfile) : outfile;
854 open_output (infile, outfilename);
855 add_warning ();
856 while ((def = get_definition ()) != NULL)
858 foundprogram |= (def->def_kind == DEF_PROGRAM);
860 if (extend && !foundprogram)
862 unlink (outfilename);
863 return;
865 write_tables ();
866 close_input ();
867 close_output (outfilename);
870 /* sample routine for the server template */
871 static void
872 svc_output (const char *infile, const char *define, int extend,
873 const char *outfile)
875 definition *def;
876 char *include;
877 const char *outfilename;
878 long tell;
880 open_input (infile, define);
881 outfilename = extend ? extendfile (infile, outfile) : outfile;
882 checkfiles (infile, outfilename);
883 /*check if outfile already exists.
884 if so, print an error message and exit */
885 open_output (infile, outfilename);
886 add_sample_msg ();
888 if (infile && (include = extendfile (infile, ".h")))
890 fprintf (fout, "#include \"%s\"\n", include);
891 free (include);
893 else
894 fprintf (fout, "#include <rpc/rpc.h>\n");
896 tell = ftell (fout);
897 while ((def = get_definition ()) != NULL)
899 write_sample_svc (def);
901 if (extend && tell == ftell (fout))
903 unlink (outfilename);
905 close_input ();
906 close_output (outfilename);
910 /* sample main routine for client */
911 static void
912 clnt_output (const char *infile, const char *define, int extend,
913 const char *outfile)
915 definition *def;
916 char *include;
917 const char *outfilename;
918 long tell;
919 int has_program = 0;
921 open_input (infile, define);
922 outfilename = extend ? extendfile (infile, outfile) : outfile;
923 checkfiles (infile, outfilename);
924 /*check if outfile already exists.
925 if so, print an error message and exit */
927 open_output (infile, outfilename);
928 add_sample_msg ();
929 if (infile && (include = extendfile (infile, ".h")))
931 fprintf (fout, "#include \"%s\"\n", include);
932 free (include);
934 else
935 fprintf (fout, "#include <rpc/rpc.h>\n");
936 tell = ftell (fout);
937 while ((def = get_definition ()) != NULL)
939 has_program += write_sample_clnt (def);
942 if (has_program)
943 write_sample_clnt_main ();
945 if (extend && tell == ftell (fout))
947 unlink (outfilename);
949 close_input ();
950 close_output (outfilename);
953 static const char space[] = " ";
955 static char *
956 file_name (const char *file, const char *ext)
958 char *temp;
959 temp = extendfile (file, ext);
961 if (access (temp, F_OK) != -1)
962 return (temp);
964 free (temp);
965 return (char *) space;
968 static void
969 mkfile_output (struct commandline *cmd)
971 char *mkfilename;
972 char *clientname, *clntname, *xdrname, *hdrname;
973 char *servername, *svcname, *servprogname, *clntprogname;
975 svcname = file_name (cmd->infile, "_svc.c");
976 clntname = file_name (cmd->infile, "_clnt.c");
977 xdrname = file_name (cmd->infile, "_xdr.c");
978 hdrname = file_name (cmd->infile, ".h");
980 if (allfiles)
982 servername = extendfile (cmd->infile, "_server.c");
983 clientname = extendfile (cmd->infile, "_client.c");
985 else
987 servername = (char *) space;
988 clientname = (char *) space;
990 servprogname = extendfile (cmd->infile, "_server");
991 clntprogname = extendfile (cmd->infile, "_client");
993 if (allfiles)
995 char *cp, *temp;
997 mkfilename = alloc (strlen ("Makefile.") + strlen (cmd->infile) + 1);
998 if (mkfilename == NULL)
999 abort ();
1000 temp = rindex (cmd->infile, '.');
1001 cp = stpcpy (mkfilename, "Makefile.");
1002 if (temp != NULL)
1003 *((char *) stpncpy (cp, cmd->infile, temp - cmd->infile)) = '\0';
1004 else
1005 stpcpy (cp, cmd->infile);
1008 else
1009 mkfilename = (char *) cmd->outfile;
1011 checkfiles (NULL, mkfilename);
1012 open_output (NULL, mkfilename);
1014 fprintf (fout, "\n# This is a template Makefile generated by rpcgen\n");
1016 f_print (fout, "\n# Parameters\n\n");
1018 f_print (fout, "CLIENT = %s\nSERVER = %s\n\n", clntprogname, servprogname);
1019 f_print (fout, "SOURCES_CLNT.c = \nSOURCES_CLNT.h = \n");
1020 f_print (fout, "SOURCES_SVC.c = \nSOURCES_SVC.h = \n");
1021 f_print (fout, "SOURCES.x = %s\n\n", cmd->infile);
1022 f_print (fout, "TARGETS_SVC.c = %s %s %s \n",
1023 svcname, servername, xdrname);
1024 f_print (fout, "TARGETS_CLNT.c = %s %s %s \n",
1025 clntname, clientname, xdrname);
1026 f_print (fout, "TARGETS = %s %s %s %s %s %s\n\n",
1027 hdrname, xdrname, clntname,
1028 svcname, clientname, servername);
1030 f_print (fout, "OBJECTS_CLNT = $(SOURCES_CLNT.c:%%.c=%%.o) \
1031 $(TARGETS_CLNT.c:%%.c=%%.o)");
1033 f_print (fout, "\nOBJECTS_SVC = $(SOURCES_SVC.c:%%.c=%%.o) \
1034 $(TARGETS_SVC.c:%%.c=%%.o)");
1036 f_print (fout, "\n# Compiler flags \n");
1037 if (mtflag)
1038 fprintf (fout, "\nCPPFLAGS += -D_REENTRANT\nCFLAGS += -g \nLDLIBS \
1039 += -lnsl -lpthread \n ");
1040 else
1041 f_print (fout, "\nCFLAGS += -g \nLDLIBS += -lnsl\n");
1042 f_print (fout, "RPCGENFLAGS = \n");
1044 f_print (fout, "\n# Targets \n\n");
1046 f_print (fout, "all : $(CLIENT) $(SERVER)\n\n");
1047 f_print (fout, "$(TARGETS) : $(SOURCES.x) \n");
1048 f_print (fout, "\trpcgen $(RPCGENFLAGS) $(SOURCES.x)\n\n");
1049 f_print (fout, "$(OBJECTS_CLNT) : $(SOURCES_CLNT.c) $(SOURCES_CLNT.h) \
1050 $(TARGETS_CLNT.c) \n\n");
1052 f_print (fout, "$(OBJECTS_SVC) : $(SOURCES_SVC.c) $(SOURCES_SVC.h) \
1053 $(TARGETS_SVC.c) \n\n");
1054 f_print (fout, "$(CLIENT) : $(OBJECTS_CLNT) \n");
1055 f_print (fout, "\t$(LINK.c) -o $(CLIENT) $(OBJECTS_CLNT) \
1056 $(LDLIBS) \n\n");
1057 f_print (fout, "$(SERVER) : $(OBJECTS_SVC) \n");
1058 f_print (fout, "\t$(LINK.c) -o $(SERVER) $(OBJECTS_SVC) $(LDLIBS)\n\n ");
1059 f_print (fout, "clean:\n\t $(RM) core $(TARGETS) $(OBJECTS_CLNT) \
1060 $(OBJECTS_SVC) $(CLIENT) $(SERVER)\n\n");
1061 close_output (mkfilename);
1063 free (clntprogname);
1064 free (servprogname);
1065 if (servername != space)
1066 free (servername);
1067 if (clientname != space)
1068 free (clientname);
1069 if (mkfilename != (char *) cmd->outfile)
1070 free (mkfilename);
1071 if (svcname != space)
1072 free (svcname);
1073 if (clntname != space)
1074 free (clntname);
1075 if (xdrname != space)
1076 free (xdrname);
1077 if (hdrname != space)
1078 free (hdrname);
1082 * Perform registrations for service output
1083 * Return 0 if failed; 1 otherwise.
1085 static int
1086 do_registers (int argc, const char *argv[])
1088 int i;
1090 if (inetdflag || !tirpcflag)
1092 for (i = 1; i < argc; i++)
1094 if (streq (argv[i], "-s"))
1096 if (!check_nettype (argv[i + 1], valid_i_nettypes))
1097 return 0;
1098 write_inetd_register (argv[i + 1]);
1099 i++;
1103 else
1105 for (i = 1; i < argc; i++)
1106 if (streq (argv[i], "-s"))
1108 if (!check_nettype (argv[i + 1], valid_ti_nettypes))
1109 return 0;
1110 write_nettype_register (argv[i + 1]);
1111 i++;
1113 else if (streq (argv[i], "-n"))
1115 write_netid_register (argv[i + 1]);
1116 i++;
1119 return 1;
1123 * Add another argument to the arg list
1125 static void
1126 addarg (const char *cp)
1128 if (argcount >= ARGLISTLEN)
1130 fprintf (stderr, _("rpcgen: too many defines\n"));
1131 crash ();
1132 /*NOTREACHED */
1134 arglist[argcount++] = cp;
1137 static void
1138 putarg (int whereto, const char *cp)
1140 if (whereto >= ARGLISTLEN)
1142 fprintf (stderr, _("rpcgen: arglist coding error\n"));
1143 crash ();
1144 /*NOTREACHED */
1146 arglist[whereto] = cp;
1150 * if input file is stdin and an output file is specified then complain
1151 * if the file already exists. Otherwise the file may get overwritten
1152 * If input file does not exist, exit with an error
1155 static void
1156 checkfiles (const char *infile, const char *outfile)
1158 struct stat buf;
1160 if (infile) /* infile ! = NULL */
1161 if (stat (infile, &buf) < 0)
1163 perror (infile);
1164 crash ();
1166 if (outfile)
1168 if (stat (outfile, &buf) < 0)
1169 return; /* file does not exist */
1170 else
1172 fprintf (stderr,
1173 /* TRANS: the file will not be removed; this is an
1174 TRANS: informative message. */
1175 _("file `%s' already exists and may be overwritten\n"),
1176 outfile);
1177 crash ();
1183 * Parse command line arguments
1185 static int
1186 parseargs (int argc, const char *argv[], struct commandline *cmd)
1188 int i;
1189 int j;
1190 int c;
1191 char flag[(1 << 8 * sizeof (char))];
1192 int nflags;
1194 cmdname = argv[0];
1195 cmd->infile = cmd->outfile = NULL;
1196 if (argc < 2)
1198 return (0);
1200 allfiles = 0;
1201 flag['c'] = 0;
1202 flag['h'] = 0;
1203 flag['l'] = 0;
1204 flag['m'] = 0;
1205 flag['o'] = 0;
1206 flag['s'] = 0;
1207 flag['n'] = 0;
1208 flag['t'] = 0;
1209 flag['S'] = 0;
1210 flag['C'] = 0;
1211 flag['M'] = 0;
1213 for (i = 1; i < argc; i++)
1215 if (argv[i][0] != '-')
1217 if (cmd->infile)
1219 fprintf (stderr,
1220 _("Cannot specify more than one input file!\n"));
1221 return 0;
1223 cmd->infile = argv[i];
1225 else if (strcmp (argv[i], "--help") == 0)
1226 usage (stdout, 0);
1227 else if (strcmp (argv[i], "--version") == 0)
1228 print_version ();
1229 else
1231 for (j = 1; argv[i][j] != 0; j++)
1233 c = argv[i][j];
1234 switch (c)
1236 case 'a':
1237 allfiles = 1;
1238 break;
1239 case 'c':
1240 case 'h':
1241 case 'l':
1242 case 'm':
1243 case 't':
1244 if (flag[c])
1245 return 0;
1246 flag[c] = 1;
1247 break;
1248 case 'S':
1249 /* sample flag: Ss or Sc.
1250 Ss means set flag['S'];
1251 Sc means set flag['C'];
1252 Sm means set flag['M']; */
1253 c = argv[i][++j]; /* get next char */
1254 if (c == 's')
1255 c = 'S';
1256 else if (c == 'c')
1257 c = 'C';
1258 else if (c == 'm')
1259 c = 'M';
1260 else
1261 return 0;
1263 if (flag[c])
1264 return 0;
1265 flag[c] = 1;
1266 break;
1267 case 'C': /* ANSI C syntax */
1268 Cflag = 1;
1269 break;
1271 #ifdef __GNU_LIBRARY__
1272 case 'k': /* K&R C syntax */
1273 Cflag = 0;
1274 break;
1276 #endif
1277 case 'b': /* turn TIRPC flag off for
1278 generating backward compatible
1280 tirpcflag = 0;
1281 break;
1283 #ifdef __GNU_LIBRARY__
1284 case '5': /* turn TIRPC flag on for
1285 generating SysVr4 compatible
1287 tirpcflag = 1;
1288 break;
1289 #endif
1290 case 'I':
1291 inetdflag = 1;
1292 break;
1293 case 'N':
1294 newstyle = 1;
1295 break;
1296 case 'L':
1297 logflag = 1;
1298 break;
1299 case 'K':
1300 if (++i == argc)
1302 return (0);
1304 svcclosetime = argv[i];
1305 goto nextarg;
1306 case 'T':
1307 tblflag = 1;
1308 break;
1309 case 'M':
1310 mtflag = 1;
1311 break;
1312 case 'i':
1313 if (++i == argc)
1315 return (0);
1317 inlineflag = atoi (argv[i]);
1318 goto nextarg;
1319 case 'n':
1320 case 'o':
1321 case 's':
1322 if (argv[i][j - 1] != '-' ||
1323 argv[i][j + 1] != 0)
1325 return (0);
1327 flag[c] = 1;
1328 if (++i == argc)
1330 return (0);
1332 if (c == 's')
1334 if (!streq (argv[i], "udp") &&
1335 !streq (argv[i], "tcp"))
1336 return 0;
1338 else if (c == 'o')
1340 if (cmd->outfile)
1341 return 0;
1342 cmd->outfile = argv[i];
1344 goto nextarg;
1345 case 'D':
1346 if (argv[i][j - 1] != '-')
1347 return 0;
1348 addarg (argv[i]);
1349 goto nextarg;
1350 case 'Y':
1351 if (++i == argc)
1352 return 0;
1354 size_t len = strlen (argv[i]);
1355 pathbuf = malloc (len + 5);
1356 if (pathbuf == NULL)
1358 perror (cmdname);
1359 crash ();
1361 stpcpy (stpcpy (pathbuf,
1362 argv[i]),
1363 "/cpp");
1364 CPP = pathbuf;
1365 cppDefined = 1;
1366 goto nextarg;
1369 default:
1370 return 0;
1373 nextarg:
1378 cmd->cflag = flag['c'];
1379 cmd->hflag = flag['h'];
1380 cmd->lflag = flag['l'];
1381 cmd->mflag = flag['m'];
1382 cmd->nflag = flag['n'];
1383 cmd->sflag = flag['s'];
1384 cmd->tflag = flag['t'];
1385 cmd->Ssflag = flag['S'];
1386 cmd->Scflag = flag['C'];
1387 cmd->makefileflag = flag['M'];
1389 #ifndef _RPC_THREAD_SAFE_
1390 if (mtflag || newstyle)
1392 /* glibc doesn't support these flags. */
1393 f_print (stderr,
1394 _("This implementation doesn't support newstyle or MT-safe code!\n"));
1395 return (0);
1397 #endif
1398 if (tirpcflag)
1400 pmflag = inetdflag ? 0 : 1; /* pmflag or inetdflag is always TRUE */
1401 if ((inetdflag && cmd->nflag))
1402 { /* netid not allowed with inetdflag */
1403 fprintf (stderr, _("Cannot use netid flag with inetd flag!\n"));
1404 return 0;
1407 else
1408 { /* 4.1 mode */
1409 pmflag = 0; /* set pmflag only in tirpcmode */
1410 #ifndef __GNU_LIBRARY__
1411 inetdflag = 1; /* inetdflag is TRUE by default */
1412 #endif
1413 if (cmd->nflag)
1414 { /* netid needs TIRPC */
1415 f_print (stderr, _("Cannot use netid flag without TIRPC!\n"));
1416 return (0);
1420 if (newstyle && (tblflag || cmd->tflag))
1422 f_print (stderr, _("Cannot use table flags with newstyle!\n"));
1423 return (0);
1426 /* check no conflicts with file generation flags */
1427 nflags = cmd->cflag + cmd->hflag + cmd->lflag + cmd->mflag +
1428 cmd->sflag + cmd->nflag + cmd->tflag + cmd->Ssflag + cmd->Scflag;
1430 if (nflags == 0)
1432 if (cmd->outfile != NULL || cmd->infile == NULL)
1434 return (0);
1437 else if (cmd->infile == NULL &&
1438 (cmd->Ssflag || cmd->Scflag || cmd->makefileflag))
1440 fprintf (stderr,
1441 _("\"infile\" is required for template generation flags.\n"));
1442 return 0;
1444 if (nflags > 1)
1446 fprintf (stderr, _("Cannot have more than one file generation flag!\n"));
1447 return 0;
1449 return 1;
1452 static void
1453 usage (FILE *stream, int status)
1455 fprintf (stream, _("usage: %s infile\n"), cmdname);
1456 fprintf (stream, _("\t%s [-abkCLNTM][-Dname[=value]] [-i size] \
1457 [-I [-K seconds]] [-Y path] infile\n"), cmdname);
1458 fprintf (stream, _("\t%s [-c | -h | -l | -m | -t | -Sc | -Ss | -Sm] \
1459 [-o outfile] [infile]\n"), cmdname);
1460 fprintf (stream, _("\t%s [-s nettype]* [-o outfile] [infile]\n"), cmdname);
1461 fprintf (stream, _("\t%s [-n netid]* [-o outfile] [infile]\n"), cmdname);
1462 options_usage (stream, status);
1463 exit (status);
1466 static void
1467 options_usage (FILE *stream, int status)
1469 f_print (stream, _("options:\n"));
1470 f_print (stream, _("-a\t\tgenerate all files, including samples\n"));
1471 f_print (stream, _("-b\t\tbackward compatibility mode (generates code for SunOS 4.1)\n"));
1472 f_print (stream, _("-c\t\tgenerate XDR routines\n"));
1473 f_print (stream, _("-C\t\tANSI C mode\n"));
1474 f_print (stream, _("-Dname[=value]\tdefine a symbol (same as #define)\n"));
1475 f_print (stream, _("-h\t\tgenerate header file\n"));
1476 f_print (stream, _("-i size\t\tsize at which to start generating inline code\n"));
1477 f_print (stream, _("-I\t\tgenerate code for inetd support in server (for SunOS 4.1)\n"));
1478 f_print (stream, _("-K seconds\tserver exits after K seconds of inactivity\n"));
1479 f_print (stream, _("-l\t\tgenerate client side stubs\n"));
1480 f_print (stream, _("-L\t\tserver errors will be printed to syslog\n"));
1481 f_print (stream, _("-m\t\tgenerate server side stubs\n"));
1482 f_print (stream, _("-M\t\tgenerate MT-safe code\n"));
1483 f_print (stream, _("-n netid\tgenerate server code that supports named netid\n"));
1484 f_print (stream, _("-N\t\tsupports multiple arguments and call-by-value\n"));
1485 f_print (stream, _("-o outfile\tname of the output file\n"));
1486 f_print (stream, _("-s nettype\tgenerate server code that supports named nettype\n"));
1487 f_print (stream, _("-Sc\t\tgenerate sample client code that uses remote procedures\n"));
1488 f_print (stream, _("-Ss\t\tgenerate sample server code that defines remote procedures\n"));
1489 f_print (stream, _("-Sm \t\tgenerate makefile template \n"));
1490 f_print (stream, _("-t\t\tgenerate RPC dispatch table\n"));
1491 f_print (stream, _("-T\t\tgenerate code to support RPC dispatch tables\n"));
1492 f_print (stream, _("-Y path\t\tdirectory name to find C preprocessor (cpp)\n"));
1494 f_print (stream, "\n%s", _("\
1495 For bug reporting instructions, please see:\n\
1496 <http://www.gnu.org/software/libc/bugs.html>.\n"));
1497 exit (status);
1500 static void
1501 print_version (void)
1503 printf ("rpcgen (GNU %s) %s\n", PACKAGE, VERSION);
1504 exit (0);