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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
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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
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--- /dev/null
+++ b/sunrpc/rpc_main.c
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+/* @(#)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);
+}