mirror of
https://github.com/DarkPlacesEngine/gmqcc.git
synced 2024-12-18 00:11:06 +00:00
265 lines
8.6 KiB
C
265 lines
8.6 KiB
C
/*
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* Copyright (C) 2012
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* Dale Weiler
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "gmqcc.h"
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uint32_t opt_flags[1 + (NUM_F_FLAGS / 32)];
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uint32_t opt_O = 1;
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const char *opt_output = "progs.dat";
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int opt_standard = STD_DEF;
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typedef struct { char *filename; int type; } argitem;
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VECTOR_MAKE(argitem, items);
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#define TYPE_QC 0
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#define TYPE_ASM 1
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#define TYPE_SRC 2
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static const char *app_name;
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static int usage() {
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printf("usage: %s [options] [files...]", app_name);
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printf("options:\n"
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" -h, --help show this help message\n"
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" -o, --output=file output file, defaults to progs.dat\n"
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" -a filename add an asm file to be assembled\n"
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" -s filename add a progs.src file to be used\n");
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printf(" -fflag enable a flag\n"
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" -fno-flag disable a flag\n"
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" -std standard select one of the following standards\n"
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" -std=qcc original QuakeC\n"
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" -std=fteqcc fteqcc QuakeC\n"
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" -std=gmqcc this compiler (default)\n");
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printf("\n");
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printf("flags:\n"
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" -fdarkplaces-string-table-bug\n"
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" patch the string table to work with some bugged darkplaces versions\n"
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" -fomit-nullbytes\n"
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" omits certain null-bytes for a smaller output - requires a patched engine\n"
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);
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return -1;
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}
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static bool options_setflag(const char *name, bool on) {
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size_t i;
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for (i = 0; i < opt_flag_list_count; ++i) {
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if (!strcmp(name, opt_flag_list[i].name)) {
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longbit lb = opt_flag_list[i].bit;
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#if 0
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if (on)
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opt_flags[lb.idx] |= (1<<(lb.bit));
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else
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opt_flags[lb.idx] &= ~(1<<(lb.bit));
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#else
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if (on)
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opt_flags[0] |= (1<<lb);
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else
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opt_flags[0] &= ~(1<<(lb));
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#endif
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return true;
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}
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}
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return false;
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}
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static bool options_witharg(int *argc_, char ***argv_, char **out) {
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int argc = *argc_;
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char **argv = *argv_;
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if (argv[0][2]) {
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*out = argv[0]+2;
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return true;
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}
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/* eat up the next */
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if (argc < 2) /* no parameter was provided */
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return false;
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*out = argv[1];
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--*argc_;
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++*argv_;
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return true;
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}
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static bool options_long_witharg_all(const char *optname, int *argc_, char ***argv_, char **out, int ds, bool split) {
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int argc = *argc_;
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char **argv = *argv_;
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size_t len = strlen(optname);
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if (strncmp(argv[0]+ds, optname, len))
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return false;
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/* it's --optname, check how the parameter is supplied */
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if (argv[0][ds+len] == '=') {
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/* using --opt=param */
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*out = argv[0]+ds+len+1;
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return true;
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}
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if (!split || argc < ds) /* no parameter was provided, or only single-arg form accepted */
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return false;
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/* using --opt param */
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*out = argv[1];
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--*argc_;
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++*argv_;
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return true;
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}
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static bool options_long_witharg(const char *optname, int *argc_, char ***argv_, char **out) {
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return options_long_witharg_all(optname, argc_, argv_, out, 2, true);
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}
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static bool options_long_gcc(const char *optname, int *argc_, char ***argv_, char **out) {
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return options_long_witharg_all(optname, argc_, argv_, out, 1, false);
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}
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static bool options_parse(int argc, char **argv) {
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bool argend = false;
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while (!argend && argc > 1) {
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char *argarg;
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argitem item;
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++argv;
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--argc;
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if (argv[0][0] == '-') {
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/* All gcc-type long options */
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if (options_long_gcc("std", &argc, &argv, &argarg)) {
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if (!strcmp(argarg, "gmqcc") || !strcmp(argarg, "default"))
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opt_standard = STD_DEF;
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else if (!strcmp(argarg, "qcc"))
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opt_standard = STD_QCC;
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else if (!strcmp(argarg, "fte") || !strcmp(argarg, "fteqcc"))
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opt_standard = STD_FTE;
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else {
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printf("Unknown standard: %s\n", argarg);
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return false;
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}
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continue;
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}
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switch (argv[0][1]) {
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/* -h, show usage but exit with 0 */
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case 'h':
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usage();
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exit(0);
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break;
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/* handle all -fflags */
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case 'f':
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if (!strncmp(argv[0]+2, "no-", 3)) {
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if (!options_setflag(argv[0]+5, false)) {
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printf("unknown flag: %s\n", argv[0]+2);
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return false;
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}
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}
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else if (!options_setflag(argv[0]+2, true)) {
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printf("unknown flag: %s\n", argv[0]+2);
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return false;
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}
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break;
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case 'O':
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if (!options_witharg(&argc, &argv, &argarg)) {
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printf("option -O requires a numerical argument\n");
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return false;
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}
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opt_O = atoi(argarg);
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break;
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case 'o':
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if (!options_witharg(&argc, &argv, &argarg)) {
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printf("option -o requires an argument: the output file name\n");
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return false;
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}
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opt_output = argarg;
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break;
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case 'a':
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case 's':
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item.type = argv[0][1] == 'a' ? TYPE_ASM : TYPE_SRC;
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if (!options_witharg(&argc, &argv, &argarg)) {
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printf("option -a requires a filename %s\n",
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(argv[0][1] == 'a' ? "containing QC-asm" : "containing a progs.src formatted list"));
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return false;
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}
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item.filename = argarg;
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items_add(item);
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break;
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case '-':
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if (!argv[0][2]) {
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/* anything following -- is considered a non-option argument */
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argend = true;
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break;
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}
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/* All long options without arguments */
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else if (!strcmp(argv[0]+2, "help")) {
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usage();
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exit(0);
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}
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else {
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/* All long options with arguments */
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if (options_long_witharg("output", &argc, &argv, &argarg))
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opt_output = argarg;
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else
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{
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printf("Unknown parameter: %s\n", argv[0]);
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return false;
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}
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}
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break;
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default:
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printf("Unknown parameter: %s\n", argv[0]);
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return false;
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}
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}
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else
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{
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/* it's a QC filename */
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argitem item;
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item.filename = argv[0];
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item.type = TYPE_QC;
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items_add(item);
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}
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}
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return true;
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}
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int main(int argc, char **argv) {
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app_name = argv[0];
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if (!options_parse(argc, argv)) {
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return usage();
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}
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util_debug("COM", "starting ...\n");
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/* stuff */
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util_debug("COM", "cleaning ...\n");
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util_meminfo();
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return 0;
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}
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