fdwalk should return 0 on an empty directory
[kopensolaris-gnu/glibc.git] / sunrpc / rpc_sample.c
index a5551d9..00b58d5 100644 (file)
  * Mountain View, California  94043
  */
 
-/* 
+/*
  * From: @(#)rpc_sample.c  1.1  90/08/30  (C) 1987 SMI
  */
-char sample_rcsid[] = 
-  "$Id$";
 
 /*
  * rpc_sample.c, Sample client-server code outputter for the RPC protocol compiler
@@ -45,209 +43,296 @@ char sample_rcsid[] =
 #include "proto.h"
 
 
-static char RQSTP[] = "rqstp";
+static const char RQSTP[] = "rqstp";
 
-static void write_sample_client(const char *program_name, version_list *vp);
-static void write_sample_server(definition *def);
-static void return_type(proc_list *plist);
+static void write_sample_client (const char *program_name, version_list * vp);
+static void write_sample_server (definition * def);
+static void return_type (proc_list * plist);
 
 
 void
-write_sample_svc(definition *def)
+write_sample_svc (definition * def)
 {
 
-       if (def->def_kind != DEF_PROGRAM) 
-         return;
-       write_sample_server(def);
+  if (def->def_kind != DEF_PROGRAM)
+    return;
+  write_sample_server (def);
 }
 
 
 int
-write_sample_clnt(definition *def)
+write_sample_clnt (definition * def)
 {
-        version_list *vp;
-       int count = 0;
-
-       if (def->def_kind != DEF_PROGRAM) 
-         return( 0 );
-       /* generate sample code for each version */
-       for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
-         write_sample_client(def->def_name, vp );
-         ++count;
-       }
-       return( count );
+  version_list *vp;
+  int count = 0;
+
+  if (def->def_kind != DEF_PROGRAM)
+    return 0;
+  /* generate sample code for each version */
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      write_sample_client (def->def_name, vp);
+      ++count;
+    }
+  return count;
 }
 
 
 static void
-write_sample_client(const char *program_name, version_list *vp)
+write_sample_client (const char *program_name, version_list * vp)
 {
   proc_list *proc;
   int i;
   decl_list *l;
 
-  f_print(fout, "\n\nvoid\n" );
-  pvname( program_name, vp->vers_num );
-  if( Cflag )
-    f_print(fout,"( char* host )\n{\n" );
+  f_print (fout, "\n\nvoid\n");
+  pvname (program_name, vp->vers_num);
+  if (Cflag)
+    f_print (fout, "(char *host)\n{\n");
   else
-    f_print(fout, "(host)\nchar *host;\n{\n" );
-  f_print(fout, "\tCLIENT *clnt;\n");
+    f_print (fout, "(host)\nchar *host;\n{\n");
+  f_print (fout, "\tCLIENT *clnt;\n");
 
   i = 0;
-  for (proc = vp->procs; proc != NULL; proc = proc->next) {
-      f_print(fout, "\t");
-      ptype(proc->res_prefix, proc->res_type, 1);
-      f_print(fout, " *result_%d;\n",++i);
+  for (proc = vp->procs; proc != NULL; proc = proc->next)
+    {
+      f_print (fout, "\t");
+      ++i;
+      if (mtflag)
+       {
+         f_print (fout, "enum clnt_stat retval_%d;\n\t", i);
+         ptype (proc->res_prefix, proc->res_type, 1);
+         if (!streq (proc->res_type, "void"))
+           f_print (fout, "result_%d;\n", i);
+         else
+           fprintf (fout, "*result_%d;\n", i);
+       }
+      else
+       {
+         ptype (proc->res_prefix, proc->res_type, 1);
+         f_print (fout, " *result_%d;\n", i);
+       }
       /* print out declarations for arguments */
-      if( proc->arg_num < 2 && !newstyle) {
-       f_print( fout, "\t" );
-       if( !streq( proc->args.decls->decl.type, "void") )
-         ptype(proc->args.decls->decl.prefix, proc->args.decls->decl.type, 1);
-       else
-         f_print(fout, "char* ");  /* cannot have "void" type */
-       f_print(fout, " ");
-       pvname( proc->proc_name, vp->vers_num );
-       f_print(fout, "_arg;\n");
-      } else if (!streq( proc->args.decls->decl.type, "void")) {
-       for (l = proc->args.decls; l != NULL; l = l->next) {
-         f_print( fout, "\t" );
-         ptype(l->decl.prefix, l->decl.type, 1);
-         f_print( fout, " ");
-         pvname( proc->proc_name, vp->vers_num );
-         f_print(fout, "_%s;\n", l->decl.name );
-/*       pdeclaration(proc->args.argname, &l->decl, 1, ";\n" );*/
+      if (proc->arg_num < 2 && !newstyle)
+       {
+         f_print (fout, "\t");
+         if (!streq (proc->args.decls->decl.type, "void"))
+           {
+             ptype (proc->args.decls->decl.prefix,
+                    proc->args.decls->decl.type, 1);
+             f_print (fout, " ");
+           }
+         else
+           f_print (fout, "char *");   /* cannot have "void" type */
+         pvname (proc->proc_name, vp->vers_num);
+         f_print (fout, "_arg;\n");
+       }
+      else if (!streq (proc->args.decls->decl.type, "void"))
+       {
+         for (l = proc->args.decls; l != NULL; l = l->next)
+           {
+             f_print (fout, "\t");
+             ptype (l->decl.prefix, l->decl.type, 1);
+             if (strcmp (l->decl.type, "string") == 1)
+               f_print (fout, " ");
+             pvname (proc->proc_name, vp->vers_num);
+             f_print (fout, "_%s;\n", l->decl.name);
+           }
        }
-      }
     }
 
   /* generate creation of client handle */
-  f_print(fout, "\tclnt = clnt_create(host, %s, %s, \"%s\");\n", 
-         program_name, vp->vers_name, tirpcflag? "netpath" : "udp");
-  f_print(fout, "\tif (clnt == NULL) {\n");
-  f_print(fout, "\t\tclnt_pcreateerror(host);\n");
-  f_print(fout, "\t\texit(1);\n\t}\n");
+  f_print(fout, "\n#ifndef\tDEBUG\n");
+  f_print (fout, "\tclnt = clnt_create (host, %s, %s, \"%s\");\n",
+          program_name, vp->vers_name, tirpcflag ? "netpath" : "udp");
+  f_print (fout, "\tif (clnt == NULL) {\n");
+  f_print (fout, "\t\tclnt_pcreateerror (host);\n");
+  f_print (fout, "\t\texit (1);\n\t}\n");
+  f_print(fout, "#endif\t/* DEBUG */\n\n");
 
   /* generate calls to procedures */
   i = 0;
-  for (proc = vp->procs; proc != NULL; proc = proc->next) {
-      f_print(fout, "\tresult_%d = ",++i);      
-      pvname(proc->proc_name, vp->vers_num);
-      if (proc->arg_num < 2 && !newstyle) {
-       f_print(fout, "(" );
-       if( streq( proc->args.decls->decl.type, "void") )  /* cast to void* */
-         f_print(fout, "(void*)");
-       f_print(fout, "&" );
-       pvname(proc->proc_name, vp->vers_num );
-       f_print(fout, "_arg, clnt);\n");
-      } else if (streq( proc->args.decls->decl.type, "void")) {
-           f_print(fout, "(clnt);\n");
-         }
-      else {
-       f_print(fout, "(");
-       for (l = proc->args.decls;  l != NULL; l = l->next) {
-         pvname( proc->proc_name, vp->vers_num );
-         f_print(fout, "_%s, ", l->decl.name);
+  for (proc = vp->procs; proc != NULL; proc = proc->next)
+    {
+      if (mtflag)
+       f_print(fout, "\tretval_%d = ",++i);
+      else
+       f_print (fout, "\tresult_%d = ", ++i);
+      pvname (proc->proc_name, vp->vers_num);
+      if (proc->arg_num < 2 && !newstyle)
+       {
+         f_print (fout, "(");
+         if (streq (proc->args.decls->decl.type, "void"))/* cast to void* */
+           f_print (fout, "(void*)");
+         f_print (fout, "&");
+         pvname (proc->proc_name, vp->vers_num);
+         if (mtflag)
+           f_print(fout, "_arg, &result_%d, clnt);\n", i);
+         else
+           f_print (fout, "_arg, clnt);\n");
+       }
+      else if (streq (proc->args.decls->decl.type, "void"))
+       {
+         if (mtflag)
+           f_print (fout, "(&result_%d, clnt);\n", i);
+         else
+           f_print (fout, "(clnt);\n");
+       }
+      else
+       {
+         f_print (fout, "(");
+         for (l = proc->args.decls; l != NULL; l = l->next)
+           {
+             pvname (proc->proc_name, vp->vers_num);
+             f_print (fout, "_%s, ", l->decl.name);
+           }
+         if (mtflag)
+           f_print(fout, "&result_%d, ", i);
+         f_print (fout, "clnt);\n");
+       }
+      if (mtflag)
+       {
+         f_print(fout, "\tif (retval_%d != RPC_SUCCESS) {\n", i);
+       }
+      else
+       {
+         f_print(fout, "\tif (result_%d == (", i);
+         ptype(proc->res_prefix, proc->res_type, 1);
+         f_print(fout, "*) NULL) {\n");
        }
-       f_print(fout, "clnt);\n");
-      }
-      f_print(fout, "\tif (result_%d == NULL) {\n", i);
-      f_print(fout, "\t\tclnt_perror(clnt, \"call failed:\");\n");
+      f_print(fout, "\t\tclnt_perror (clnt, \"call failed\");\n");
       f_print(fout, "\t}\n");
     }
 
-  f_print(fout, "\tclnt_destroy( clnt );\n" );
-  f_print(fout, "}\n");
+  f_print (fout, "#ifndef\tDEBUG\n");
+  f_print (fout, "\tclnt_destroy (clnt);\n");
+  f_print (fout, "#endif\t /* DEBUG */\n");
+  f_print (fout, "}\n");
 }
 
 static void
-write_sample_server(definition *def)
+write_sample_server (definition * def)
 {
-       version_list *vp;
-       proc_list *proc;
-
-       for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
-               for (proc = vp->procs; proc != NULL; proc = proc->next) {
-                       f_print(fout, "\n");
-/*                     if( Cflag )
-                         f_print( fout, "extern \"C\"{\n");
-*/
-                       return_type(proc);
-                       f_print(fout, "* \n");
-                       if( Cflag )
-                         pvname_svc(proc->proc_name, vp->vers_num);
-                       else
-                         pvname(proc->proc_name, vp->vers_num);
-                       printarglist( proc, RQSTP, "struct svc_req *" );
-
-                       f_print(fout, "{\n");
-                       f_print(fout, "\n\tstatic ");
-                       if( !streq( proc->res_type, "void") )
-                         return_type(proc);
-                       else
-                         f_print(fout, "char*" );  /* cannot have void type */
-                       f_print(fout, " result;\n" /*, proc->res_type*/ /*?*/);
-                       f_print(fout, 
-                               "\n\t/*\n\t * insert server code here\n\t */\n\n");
-                       if( !streq( proc->res_type, "void") )
-                         f_print(fout, "\treturn(&result);\n}\n");
-                       else  /* cast back to void * */
-                         f_print(fout, "\treturn((void*) &result);\n}\n"); 
-/*                     if( Cflag)
-                         f_print( fout, "};\n");
-*/
-
-               }               
+  version_list *vp;
+  proc_list *proc;
+
+  for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+    {
+      for (proc = vp->procs; proc != NULL; proc = proc->next)
+       {
+         f_print (fout, "\n");
+         if (!mtflag)
+           {
+             return_type (proc);
+             f_print (fout, "*\n");
+           }
+         else
+           f_print (fout, "bool_t\n");
+         if (Cflag || mtflag)
+           pvname_svc (proc->proc_name, vp->vers_num);
+         else
+           pvname(proc->proc_name, vp->vers_num);
+         printarglist(proc, "result", RQSTP, "struct svc_req *");
+         f_print(fout, "{\n");
+         if (!mtflag)
+           {
+             f_print(fout, "\tstatic ");
+             if(!streq(proc->res_type, "void"))
+               return_type(proc);
+             else
+               f_print(fout, "char *");
+                                /* cannot have void type */
+             /* f_print(fout, " result;\n", proc->res_type); */
+             f_print(fout, " result;\n");
+           }
+         else
+           f_print(fout, "\tbool_t retval;\n");
+         fprintf (fout, "\n\t/*\n\t * insert server code here\n\t */\n\n");
+
+         if (!mtflag)
+           {
+             if (!streq(proc->res_type, "void"))
+               f_print(fout, "\treturn &result;\n}\n");
+             else /* cast back to void * */
+               f_print(fout, "\treturn (void *) &result;\n}\n");
+           }
+         else
+           f_print(fout, "\treturn retval;\n}\n");
+       }
+
+      /* put in sample freeing routine */
+      if (mtflag)
+       {
+         f_print(fout, "\nint\n");
+         pvname(def->def_name, vp->vers_num);
+         if (Cflag)
+           f_print(fout,"_freeresult (SVCXPRT *transp, xdrproc_t xdr_result, caddr_t result)\n");
+         else
+           {
+             f_print(fout,"_freeresult (transp, xdr_result, result)\n");
+             f_print(fout,"\tSVCXPRT *transp;\n");
+             f_print(fout,"\txdrproc_t xdr_result;\n");
+             f_print(fout,"\tcaddr_t result;\n");
+           }
+         f_print(fout, "{\n");
+         f_print(fout, "\txdr_free (xdr_result, result);\n");
+         f_print(fout,
+                 "\n\t/*\n\t * Insert additional freeing code here, if needed\n\t */\n");
+         f_print(fout, "\n\treturn 1;\n}\n");
        }
+    }
 }
 
 
 
 static void
-return_type(proc_list *plist)
+return_type (proc_list * plist)
 {
-  ptype( plist->res_prefix, plist->res_type, 1 );
+  ptype (plist->res_prefix, plist->res_type, 1);
 }
 
 void
-add_sample_msg(void)
+add_sample_msg (void)
 {
-       f_print(fout, "/*\n");
-       f_print(fout, " * This is sample code generated by rpcgen.\n");
-       f_print(fout, " * These are only templates and you can use them\n");
-       f_print(fout, " * as a guideline for developing your own functions.\n");
-       f_print(fout, " */\n\n");
+  f_print (fout, "/*\n");
+  f_print (fout, " * This is sample code generated by rpcgen.\n");
+  f_print (fout, " * These are only templates and you can use them\n");
+  f_print (fout, " * as a guideline for developing your own functions.\n");
+  f_print (fout, " */\n\n");
 }
 
 void
-write_sample_clnt_main(void)
+write_sample_clnt_main (void)
 {
   list *l;
   definition *def;
   version_list *vp;
 
-  f_print(fout, "\n\n" );
-  if( Cflag )
-    f_print(fout,"main( int argc, char* argv[] )\n{\n" );
+  f_print (fout, "\n\n");
+  if (Cflag)
+    f_print (fout, "int\nmain (int argc, char *argv[])\n{\n");
   else
-    f_print(fout, "main(argc, argv)\nint argc;\nchar *argv[];\n{\n" );
-
-  f_print(fout, "\tchar *host;");
-  f_print(fout, "\n\n\tif(argc < 2) {");
-  f_print(fout, "\n\t\tprintf(\"usage: %%s server_host\\n\", argv[0]);\n" );
-  f_print(fout, "\t\texit(1);\n\t}");
-  f_print(fout, "\n\thost = argv[1];\n");
-
-  for (l = defined; l != NULL; l = l->next) {
-               def = l->val;
-               if (def->def_kind != DEF_PROGRAM) {
-                       continue;
-               }
-               for (vp = def->def.pr.versions; vp != NULL; vp = vp->next) {
-                       f_print( fout, "\t" );
-                       pvname(def->def_name, vp->vers_num);
-                       f_print( fout, "( host );\n" );
-                     }
-               }
-  f_print(fout, "}\n");
+    f_print (fout, "int\nmain (argc, argv)\nint argc;\nchar *argv[];\n{\n");
+
+  f_print (fout, "\tchar *host;");
+  f_print (fout, "\n\n\tif (argc < 2) {");
+  f_print (fout, "\n\t\tprintf (\"usage: %%s server_host\\n\", argv[0]);\n");
+  f_print (fout, "\t\texit (1);\n\t}");
+  f_print (fout, "\n\thost = argv[1];\n");
+
+  for (l = defined; l != NULL; l = l->next)
+    {
+      def = l->val;
+      if (def->def_kind != DEF_PROGRAM)
+       {
+         continue;
+       }
+      for (vp = def->def.pr.versions; vp != NULL; vp = vp->next)
+       {
+         f_print (fout, "\t");
+         pvname (def->def_name, vp->vers_num);
+         f_print (fout, " (host);\n");
+       }
+    }
+  f_print (fout, "exit (0);\n}\n");
 }