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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sunrpc/rpc_main.c
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
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initial import
Diffstat (limited to 'sunrpc/rpc_main.c')
-rw-r--r--sunrpc/rpc_main.c433
1 files changed, 433 insertions, 0 deletions
diff --git a/sunrpc/rpc_main.c b/sunrpc/rpc_main.c
new file mode 100644
index 0000000000..795bf2aa57
--- /dev/null
+++ b/sunrpc/rpc_main.c
@@ -0,0 +1,433 @@
+/* @(#)rpc_main.c	2.2 88/08/01 4.0 RPCSRC */
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part.  Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ * 
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ * 
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ * 
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ * 
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ * 
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California  94043
+ */
+#ifndef lint
+static char sccsid[] = "@(#)rpc_main.c 1.7 87/06/24 (C) 1987 SMI";
+#endif
+
+/*
+ * rpc_main.c, Top level of the RPC protocol compiler. 
+ * Copyright (C) 1987, Sun Microsystems, Inc. 
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <sys/file.h>
+#include "rpc_util.h"
+#include "rpc_parse.h"
+#include "rpc_scan.h"
+
+#define EXTEND	1		/* alias for TRUE */
+
+struct commandline {
+	int cflag;
+	int hflag;
+	int lflag;
+	int sflag;
+	int mflag;
+	char *infile;
+	char *outfile;
+};
+
+static char *cmdname;
+static char CPP[] = "/lib/cpp";
+static char CPPFLAGS[] = "-C";
+static char *allv[] = {
+	"rpcgen", "-s", "udp", "-s", "tcp",
+};
+static int allc = sizeof(allv)/sizeof(allv[0]);
+
+main(argc, argv)
+	int argc;
+	char *argv[];
+
+{
+	struct commandline cmd;
+
+	if (!parseargs(argc, argv, &cmd)) {
+		f_print(stderr,
+			"usage: %s infile\n", cmdname);
+		f_print(stderr,
+			"       %s [-c | -h | -l | -m] [-o outfile] [infile]\n",
+			cmdname);
+		f_print(stderr,
+			"       %s [-s udp|tcp]* [-o outfile] [infile]\n",
+			cmdname);
+		exit(1);
+	}
+	if (cmd.cflag) {
+		c_output(cmd.infile, "-DRPC_XDR", !EXTEND, cmd.outfile);
+	} else if (cmd.hflag) {
+		h_output(cmd.infile, "-DRPC_HDR", !EXTEND, cmd.outfile);
+	} else if (cmd.lflag) {
+		l_output(cmd.infile, "-DRPC_CLNT", !EXTEND, cmd.outfile);
+	} else if (cmd.sflag || cmd.mflag) {
+		s_output(argc, argv, cmd.infile, "-DRPC_SVC", !EXTEND,
+			 cmd.outfile, cmd.mflag);
+	} else {
+		c_output(cmd.infile, "-DRPC_XDR", EXTEND, "_xdr.c");
+		reinitialize();
+		h_output(cmd.infile, "-DRPC_HDR", EXTEND, ".h");
+		reinitialize();
+		l_output(cmd.infile, "-DRPC_CLNT", EXTEND, "_clnt.c");
+		reinitialize();
+		s_output(allc, allv, cmd.infile, "-DRPC_SVC", EXTEND,
+			 "_svc.c", cmd.mflag);
+	}
+	exit(0);
+}
+
+/*
+ * add extension to filename 
+ */
+static char *
+extendfile(file, ext)
+	char *file;
+	char *ext;
+{
+	char *res;
+	char *p;
+
+	res = alloc(strlen(file) + strlen(ext) + 1);
+	if (res == NULL) {
+		abort();
+	}
+	p = rindex(file, '.');
+	if (p == NULL) {
+		p = file + strlen(file);
+	}
+	(void) strcpy(res, file);
+	(void) strcpy(res + (p - file), ext);
+	return (res);
+}
+
+/*
+ * Open output file with given extension 
+ */
+static
+open_output(infile, outfile)
+	char *infile;
+	char *outfile;
+{
+	if (outfile == NULL) {
+		fout = stdout;
+		return;
+	}
+	if (infile != NULL && streq(outfile, infile)) {
+		f_print(stderr, "%s: output would overwrite %s\n", cmdname,
+			infile);
+		crash();
+	}
+	fout = fopen(outfile, "w");
+	if (fout == NULL) {
+		f_print(stderr, "%s: unable to open ", cmdname);
+		perror(outfile);
+		crash();
+	}
+	record_open(outfile);
+}
+
+/*
+ * Open input file with given define for C-preprocessor 
+ */
+static
+open_input(infile, define)
+	char *infile;
+	char *define;
+{
+	int pd[2];
+
+	infilename = (infile == NULL) ? "<stdin>" : infile;
+	(void) pipe(pd);
+	switch (fork()) {
+	case 0:
+		(void) close(1);
+		(void) dup2(pd[1], 1);
+		(void) close(pd[0]);
+		execl(CPP, CPP, CPPFLAGS, define, infile, NULL);
+		perror("execl");
+		exit(1);
+	case -1:
+		perror("fork");
+		exit(1);
+	}
+	(void) close(pd[1]);
+	fin = fdopen(pd[0], "r");
+	if (fin == NULL) {
+		f_print(stderr, "%s: ", cmdname);
+		perror(infilename);
+		crash();
+	}
+}
+
+/*
+ * Compile into an XDR routine output file
+ */
+static
+c_output(infile, define, extend, outfile)
+	char *infile;
+	char *define;
+	int extend;
+	char *outfile;
+{
+	definition *def;
+	char *include;
+	char *outfilename;
+	long tell;
+
+	open_input(infile, define);	
+	outfilename = extend ? extendfile(infile, outfile) : outfile;
+	open_output(infile, outfilename);
+	f_print(fout, "#include <rpc/rpc.h>\n");
+	if (infile && (include = extendfile(infile, ".h"))) {
+		f_print(fout, "#include \"%s\"\n", include);
+		free(include);
+	}
+	tell = ftell(fout);
+	while (def = get_definition()) {
+		emit(def);
+	}
+	if (extend && tell == ftell(fout)) {
+		(void) unlink(outfilename);
+	}
+}
+
+/*
+ * Compile into an XDR header file
+ */
+static
+h_output(infile, define, extend, outfile)
+	char *infile;
+	char *define;
+	int extend;
+	char *outfile;
+{
+	definition *def;
+	char *outfilename;
+	long tell;
+
+	open_input(infile, define);
+	outfilename =  extend ? extendfile(infile, outfile) : outfile;
+	open_output(infile, outfilename);
+	tell = ftell(fout);
+	while (def = get_definition()) {
+		print_datadef(def);
+	}
+	if (extend && tell == ftell(fout)) {
+		(void) unlink(outfilename);
+	}
+}
+
+/*
+ * Compile into an RPC service
+ */
+static
+s_output(argc, argv, infile, define, extend, outfile, nomain)
+	int argc;
+	char *argv[];
+	char *infile;
+	char *define;
+	int extend;
+	char *outfile;
+	int nomain;
+{
+	char *include;
+	definition *def;
+	int foundprogram;
+	char *outfilename;
+
+	open_input(infile, define);
+	outfilename = extend ? extendfile(infile, outfile) : outfile;
+	open_output(infile, outfilename);
+	f_print(fout, "#include <stdio.h>\n");
+	f_print(fout, "#include <rpc/rpc.h>\n");
+	if (infile && (include = extendfile(infile, ".h"))) {
+		f_print(fout, "#include \"%s\"\n", include);
+		free(include);
+	}
+	foundprogram = 0;
+	while (def = get_definition()) {
+		foundprogram |= (def->def_kind == DEF_PROGRAM);
+	}
+	if (extend && !foundprogram) {
+		(void) unlink(outfilename);
+		return;
+	}
+	if (nomain) {
+		write_programs((char *)NULL);
+	} else {
+		write_most();
+		do_registers(argc, argv);
+		write_rest();
+		write_programs("static");
+	}
+}
+
+static
+l_output(infile, define, extend, outfile)
+	char *infile;
+	char *define;
+	int extend;
+	char *outfile;
+{
+	char *include;
+	definition *def;
+	int foundprogram;
+	char *outfilename;
+
+	open_input(infile, define);
+	outfilename = extend ? extendfile(infile, outfile) : outfile;
+	open_output(infile, outfilename);
+	f_print(fout, "#include <rpc/rpc.h>\n");
+	if (infile && (include = extendfile(infile, ".h"))) {
+		f_print(fout, "#include \"%s\"\n", include);
+		free(include);
+	}
+	foundprogram = 0;
+	while (def = get_definition()) {
+		foundprogram |= (def->def_kind == DEF_PROGRAM);
+	}
+	if (extend && !foundprogram) {
+		(void) unlink(outfilename);
+		return;
+	}
+	write_stubs();
+}
+
+/*
+ * Perform registrations for service output 
+ */
+static
+do_registers(argc, argv)
+	int argc;
+	char *argv[];
+
+{
+	int i;
+
+	for (i = 1; i < argc; i++) {
+		if (streq(argv[i], "-s")) {
+			write_register(argv[i + 1]);
+			i++;
+		}
+	}
+}
+
+/*
+ * Parse command line arguments 
+ */
+static
+parseargs(argc, argv, cmd)
+	int argc;
+	char *argv[];
+	struct commandline *cmd;
+
+{
+	int i;
+	int j;
+	char c;
+	char flag[(1 << 8 * sizeof(char))];
+	int nflags;
+
+	cmdname = argv[0];
+	cmd->infile = cmd->outfile = NULL;
+	if (argc < 2) {
+		return (0);
+	}
+	flag['c'] = 0;
+	flag['h'] = 0;
+	flag['s'] = 0;
+	flag['o'] = 0;
+	flag['l'] = 0;
+	flag['m'] = 0;
+	for (i = 1; i < argc; i++) {
+		if (argv[i][0] != '-') {
+			if (cmd->infile) {
+				return (0);
+			}
+			cmd->infile = argv[i];
+		} else {
+			for (j = 1; argv[i][j] != 0; j++) {
+				c = argv[i][j];
+				switch (c) {
+				case 'c':
+				case 'h':
+				case 'l':
+				case 'm':
+					if (flag[c]) {
+						return (0);
+					}
+					flag[c] = 1;
+					break;
+				case 'o':
+				case 's':
+					if (argv[i][j - 1] != '-' || 
+					    argv[i][j + 1] != 0) {
+						return (0);
+					}
+					flag[c] = 1;
+					if (++i == argc) {
+						return (0);
+					}
+					if (c == 's') {
+						if (!streq(argv[i], "udp") &&
+						    !streq(argv[i], "tcp")) {
+							return (0);
+						}
+					} else if (c == 'o') {
+						if (cmd->outfile) {
+							return (0);
+						}
+						cmd->outfile = argv[i];
+					}
+					goto nextarg;
+
+				default:
+					return (0);
+				}
+			}
+	nextarg:
+			;
+		}
+	}
+	cmd->cflag = flag['c'];
+	cmd->hflag = flag['h'];
+	cmd->sflag = flag['s'];
+	cmd->lflag = flag['l'];
+	cmd->mflag = flag['m'];
+	nflags = cmd->cflag + cmd->hflag + cmd->sflag + cmd->lflag + cmd->mflag;
+	if (nflags == 0) {
+		if (cmd->outfile != NULL || cmd->infile == NULL) {
+			return (0);
+		}
+	} else if (nflags > 1) {
+		return (0);
+	}
+	return (1);
+}