cc47c8fa7b
We turn on a few extra warnings and fix the fallout that occurs when building with --enable-developer. Note that we get different warnings on different machines and so this will be a work in progress. So far, we have built on NetBSD/amd64 5.99.64 (which uses gcc 4.5.3) and Ubuntu 10.04.3 LTS (which uses gcc 4.4.3). Notably, we fixed 1. a lot of missing structure initialisers, 2. unchecked return values for functions that glibc marks as __attribute__((warn-unused-result)), 3. made minor modifications to slc and asn1_compile which can generate code which generates warnings, and 4. a few stragglers here and there. We turned off the extended warnings for many programs in appl/ as they are nearing the end of their useful lifetime, e.g. rsh, rcp, popper, ftp and telnet. Interestingly, glibc's strncmp() macro needed to be worked around whereas the function calls did not. We have not yet tried this on 32 bit platforms, so there will be a few more warnings when we do.
243 lines
6.2 KiB
C
243 lines
6.2 KiB
C
/*
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* Copyright (c) 1998-2002 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#undef ROKEN_RENAME
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#include "config.h"
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#include "compile_et.h"
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#include <getarg.h>
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#include <roken.h>
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#include <err.h>
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#include "parse.h"
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int numerror;
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extern FILE *yyin;
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extern void yyparse(void);
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long base_id;
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int number;
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char *prefix;
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char *id_str;
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char name[128];
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char Basename[128];
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#ifdef YYDEBUG
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extern int yydebug = 1;
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#endif
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char *filename;
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char hfn[128];
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char cfn[128];
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struct error_code *codes = NULL;
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static int
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generate_c(void)
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{
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int n;
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struct error_code *ec;
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FILE *c_file = fopen(cfn, "w");
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if(c_file == NULL)
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return 1;
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fprintf(c_file, "/* Generated from %s */\n", filename);
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if(id_str)
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fprintf(c_file, "/* %s */\n", id_str);
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fprintf(c_file, "\n");
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fprintf(c_file, "#include <stddef.h>\n");
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fprintf(c_file, "#include <com_err.h>\n");
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fprintf(c_file, "#include \"%s\"\n", hfn);
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fprintf(c_file, "\n");
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fprintf(c_file, "#define N_(x) (x)\n");
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fprintf(c_file, "\n");
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fprintf(c_file, "static const char *%s_error_strings[] = {\n", name);
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for(ec = codes, n = 0; ec; ec = ec->next, n++) {
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while(n < ec->number) {
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fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n",
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n, name, n);
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n++;
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}
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fprintf(c_file, "\t/* %03d */ N_(\"%s\"),\n",
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ec->number, ec->string);
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}
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fprintf(c_file, "\tNULL\n");
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fprintf(c_file, "};\n");
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fprintf(c_file, "\n");
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fprintf(c_file, "#define num_errors %d\n", number);
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fprintf(c_file, "\n");
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fprintf(c_file,
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"void initialize_%s_error_table_r(struct et_list **list)\n",
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name);
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fprintf(c_file, "{\n");
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fprintf(c_file,
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" initialize_error_table_r(list, %s_error_strings, "
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"num_errors, ERROR_TABLE_BASE_%s);\n", name, name);
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fprintf(c_file, "}\n");
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fprintf(c_file, "\n");
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fprintf(c_file, "void initialize_%s_error_table(void)\n", name);
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fprintf(c_file, "{\n");
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fprintf(c_file,
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" init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, "
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"num_errors);\n", name, name);
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fprintf(c_file, "}\n");
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fclose(c_file);
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return 0;
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}
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static int
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generate_h(void)
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{
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struct error_code *ec;
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char fn[128];
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FILE *h_file = fopen(hfn, "w");
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char *p;
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if(h_file == NULL)
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return 1;
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snprintf(fn, sizeof(fn), "__%s__", hfn);
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for(p = fn; *p; p++)
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if(!isalnum((unsigned char)*p))
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*p = '_';
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fprintf(h_file, "/* Generated from %s */\n", filename);
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if(id_str)
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fprintf(h_file, "/* %s */\n", id_str);
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fprintf(h_file, "\n");
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fprintf(h_file, "#ifndef %s\n", fn);
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fprintf(h_file, "#define %s\n", fn);
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fprintf(h_file, "\n");
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fprintf(h_file, "struct et_list;\n");
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fprintf(h_file, "\n");
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fprintf(h_file,
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"void initialize_%s_error_table_r(struct et_list **);\n",
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name);
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fprintf(h_file, "\n");
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fprintf(h_file, "void initialize_%s_error_table(void);\n", name);
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fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n",
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name, name);
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fprintf(h_file, "\n");
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fprintf(h_file, "typedef enum %s_error_number{\n", name);
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for(ec = codes; ec; ec = ec->next) {
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fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number,
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(ec->next != NULL) ? "," : "");
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}
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fprintf(h_file, "} %s_error_number;\n", name);
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fprintf(h_file, "\n");
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fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id);
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fprintf(h_file, "\n");
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fprintf(h_file, "#define COM_ERR_BINDDOMAIN_%s \"heim_com_err%ld\"\n", name, base_id);
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fprintf(h_file, "\n");
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fprintf(h_file, "#endif /* %s */\n", fn);
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fclose(h_file);
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return 0;
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}
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static int
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generate(void)
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{
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return generate_c() || generate_h();
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}
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int version_flag;
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int help_flag;
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struct getargs args[] = {
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{ "version", 0, arg_flag, &version_flag, NULL, NULL },
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{ "help", 0, arg_flag, &help_flag, NULL, NULL }
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};
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int num_args = sizeof(args) / sizeof(args[0]);
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static void
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usage(int code)
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{
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arg_printusage(args, num_args, NULL, "error-table");
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exit(code);
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}
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int
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main(int argc, char **argv)
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{
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char *p;
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int optidx = 0;
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setprogname(argv[0]);
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if(getarg(args, num_args, argc, argv, &optidx))
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usage(1);
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if(help_flag)
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usage(0);
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if(version_flag) {
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print_version(NULL);
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exit(0);
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}
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if(optidx == argc)
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usage(1);
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filename = argv[optidx];
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yyin = fopen(filename, "r");
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if(yyin == NULL)
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err(1, "%s", filename);
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p = strrchr(filename, rk_PATH_DELIM);
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if(p)
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p++;
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else
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p = filename;
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strlcpy(Basename, p, sizeof(Basename));
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Basename[strcspn(Basename, ".")] = '\0';
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snprintf(hfn, sizeof(hfn), "%s.h", Basename);
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snprintf(cfn, sizeof(cfn), "%s.c", Basename);
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yyparse();
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if(numerror)
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return 1;
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return generate();
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}
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