diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dkdbt2.c |
Initial commit
Diffstat (limited to 'support/dktools/dkdbt2.c')
-rw-r--r-- | support/dktools/dkdbt2.c | 903 |
1 files changed, 903 insertions, 0 deletions
diff --git a/support/dktools/dkdbt2.c b/support/dktools/dkdbt2.c new file mode 100644 index 0000000000..425ccca16f --- /dev/null +++ b/support/dktools/dkdbt2.c @@ -0,0 +1,903 @@ +/* + WARNING: This file was generated by dkct. + Changes you make here will be lost if dkct is run again! + You should modify the original source and run dkct on it. + Original source: dkdbt2.ctr +*/ + +/* +Copyright (C) 2015-2017, Dirk Krause + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + +* Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. +* Redistributions in binary form must reproduce the above opyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. +* Neither the name of the author nor the names of contributors may be used + to endorse or promote products derived from this software without specific + prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. +IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +/** @file dkdbt2.c The dkdbt2 module. +*/ + + +#line 9 "dkdbt2.ctr" + +#include "dk4conf.h" + +#if DK4_HAVE_STDLIB_H +#include <stdlib.h> +#endif + +#include "dk4types.h" +#include "dk4const.h" +#include "dk4dbi.h" +#include "dk4dbit8.h" +#include "dk4dbitw.h" +#include "dk4dbit.h" +#include "dk4fput.h" +#include "dk4app.h" +#include "dk4vers.h" + + + +/** Actions the program can perform. +*/ +enum { + /** Do nothing (illegal options). + */ + DKDBT_ACTION_NONE = 0 , + + /** Copy one database to another. + */ + DKDBT_ACTION_COPY = 1 , + + /** Make database from text. + */ + DKDBT_ACTION_FROM_TEXT = 2 , + + /** Convert database to text. + */ + DKDBT_ACTION_TO_TEXT = 3 +}; + + +/** License conditions. +*/ +static const dkChar * const dkdbt_license_text[] = { +dkT("This software uses code from the following projects, either directly or as"), +dkT("a library:"), +dkT(""), +dkT("dktools\t\tDirk Krause's tools and libraries."), +dkT("\t\tSee http://dktools.sourceforge.net/ for more information."), +#if DK4_HAVE_ZLIB_H +dkT(""), +dkT("zlib\t\tData compression library."), +dkT("\t\tSee http://www.zlib.net/ for more information."), +#endif +#if DK4_HAVE_BZLIB_H +dkT(""), +dkT("bzip2\t\tData compression program and library."), +dkT("\t\tSee http://www.bzip.org/ for more information."), +#endif +dkT(""), +dkT("All the licenses below apply to the program."), +dkT("Licenses for used libraries are shown as found on my Scientific Linux 6.x"), +dkT("computer in the /usr/share/doc directory on 2015-04-01. Check the project"), +dkT("homepages of the used libraries for additional information and/or updated"), +dkT("license terms."), +dkT(""), +dkT(""), +dkT("DK tools and libraries license"), +dkT("=============================="), +dkT("Copyright (c) 2015-2016, Dirk Krause"), +dkT("All rights reserved."), +dkT(""), +dkT("Redistribution and use in source and binary forms, with or without"), +dkT("modification, are permitted provided that the following conditions are met:"), +dkT(""), +dkT("* Redistributions of source code must retain the above copyright notice,"), +dkT(" this list of conditions and the following disclaimer."), +dkT("* Redistributions in binary form must reproduce the above copyright"), +dkT(" notice, this list of conditions and the following disclaimer in the"), +dkT(" documentation and/or other materials provided with the distribution."), +dkT("* Neither the name of the Dirk Krause nor the names of contributors may be"), +dkT(" used to endorse or promote products derived from this software without"), +dkT(" specific prior written permission."), +dkT(""), +dkT("THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \"AS IS\""), +dkT("AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE"), +dkT("IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"), +dkT("ARE DISCLAIMED."), +dkT(""), +dkT("IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,"), +dkT("INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,"), +dkT("BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,"), +dkT("DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY"), +dkT("OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"), +dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,"), +dkT("EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."), +#if DK4_HAVE_ZLIB_H +dkT(""), +dkT(""), +dkT("Zlib license"), +dkT("============"), +dkT("(C) 1995-2004 Jean-loup Gailly and Mark Adler"), +dkT(""), +dkT("This software is provided 'as-is', without any express or implied"), +dkT("warranty. In no event will the authors be held liable for any damages"), +dkT("arising from the use of this software."), +dkT(""), +dkT("Permission is granted to anyone to use this software for any purpose,"), +dkT("including commercial applications, and to alter it and redistribute it"), +dkT("freely, subject to the following restrictions:"), +dkT(""), +dkT("1. The origin of this software must not be misrepresented; you must not"), +dkT(" claim that you wrote the original software. If you use this software"), +dkT(" in a product, an acknowledgment in the product documentation would be"), +dkT(" appreciated but is not required."), +dkT("2. Altered source versions must be plainly marked as such, and must not be"), +dkT(" misrepresented as being the original software."), +dkT("3. This notice may not be removed or altered from any source distribution."), +dkT(""), +dkT("Jean-loup Gailly Mark Adler"), +dkT("jloup@gzip.org madler@alumni.caltech.edu"), +#endif +#if DK4_HAVE_BZLIB_H +dkT(""), +dkT(""), +dkT("Bzip2 and libbzip2 library license"), +dkT("=================================="), +dkT("This program, \"bzip2\", the associated library \"libbzip2\", and all"), +dkT("documentation, are copyright (C) 1996-2007 Julian R Seward. All"), +dkT("rights reserved."), +dkT(""), +dkT("Redistribution and use in source and binary forms, with or without"), +dkT("modification, are permitted provided that the following conditions"), +dkT("are met:"), +dkT(""), +dkT("1. Redistributions of source code must retain the above copyright"), +dkT(" notice, this list of conditions and the following disclaimer."), +dkT(""), +dkT("2. The origin of this software must not be misrepresented; you must "), +dkT(" not claim that you wrote the original software. If you use this "), +dkT(" software in a product, an acknowledgment in the product "), +dkT(" documentation would be appreciated but is not required."), +dkT(""), +dkT("3. Altered source versions must be plainly marked as such, and must"), +dkT(" not be misrepresented as being the original software."), +dkT(""), +dkT("4. The name of the author may not be used to endorse or promote "), +dkT(" products derived from this software without specific prior written "), +dkT(" permission."), +dkT(""), +dkT("THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS"), +dkT("OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED"), +dkT("WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE"), +dkT("ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY"), +dkT("DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL"), +dkT("DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE"), +dkT("GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS"), +dkT("INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,"), +dkT("WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING"), +dkT("NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS"), +dkT("SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."), +dkT(""), +dkT("Julian Seward, jseward@bzip.org"), +dkT("bzip2/libbzip2 version 1.0.5 of 10 December 2007"), +#endif +dkT(""), +NULL + + +#line 176 "dkdbt2.ctr" +}; + + + +/** Short help text. +*/ +static const dkChar * const dkdbt_help_text[] = { +/* 0 */ +dkT(""), + +/* 1 */ +dkT("Database tool"), + +/* 2 */ +dkT(""), + +/* 3 */ +dkT("dkdbt -m [-a] [-c <char>] [-i <encoding>] <database> [<textfile(s)>]"), + +/* 4 */ +dkT("dkdbt -t <database> [<textfile>]"), + +/* 5 */ +dkT("dkdbt [-a] <source> <destination>"), + +/* 6 */ +dkT(""), + +/* 7 */ +dkT("-m\t\tMake database from text file(s)."), + +/* 8 */ +dkT("-t\t\tShow database as text, optionally save to file."), + +/* 9 */ +dkT("\t\tWithout -m and -t the database is copied."), + +/* 10 */ +dkT(""), + +/* 11 */ +dkT("-a\t\tAppend to existing database when copying or making"), + +/* 12 */ +dkT("\t\ta database. Without this option an existing database"), + +/* 13 */ +dkT("\t\tis truncated."), + +/* 14 */ +dkT("-c character\tCommentar character. Lines started by this character"), + +/* 15 */ +dkT("\t\tare comments."), + +/* 16 */ +dkT("-i encoding\tExpected input encoding when making a database from text."), + +/* 17 */ +dkT(""), + +/* 18 */ +dkT("--help\t\tShow short help text."), + +/* 19 */ +dkT("--manual\t*** SHOW MANUAL ***"), + +/* 20 */ +dkT("--version\tShow version number."), + +/* 21 */ +dkT("--license\tShow license information."), + +/* 22 */ +dkT(""), + +NULL + + +#line 208 "dkdbt2.ctr" +}; + + + +static const dkChar version_text[] = { +DKT_VERSION_DK +#if DK4_HAVE_DB_H +dkT(" bdb") +#endif +#if DK4_HAVE_NDBM_H +dkT(" ndbm") +#endif +dkT(" mem") +}; + + +/** Constant keywords, not localized. +*/ +static const dkChar * const dkdbt_kwnl[] = { +/* 0 */ +dkT("dktools"), + +/* 1 */ +dkT("dkdbt.txt"), + +/* 2 */ +dkT("dkdbt.str"), + +NULL + + +#line 235 "dkdbt2.ctr" +}; + + + +/** Keywords, replaced by localized text. +*/ +static const dkChar * const dkdbt_kw_def[] = { +/* 0 */ +dkT("Failed to set up signal handlers!"), + +/* 1 */ +dkT("Failed to restore previous signal handlers!"), + +NULL + + +#line 252 "dkdbt2.ctr" +}; + + + +/** Command line options. +*/ +static const dk4_option_specification_t dkdbt_options[] = { + { dkT('m'), dkT("make"), DK4_OPT_ARG_NONE }, + { dkT('t'), dkT("text"), DK4_OPT_ARG_NONE }, + { dkT('a'), dkT("append"), DK4_OPT_ARG_NONE }, + { dkT('c'), dkT("comment"), DK4_OPT_ARG_STRING }, + { dkT('i'), dkT("input-encoding"), DK4_OPT_ARG_STRING } +}; + + + +/** Application structure. +*/ +static dk4_app_t *app = NULL; + + + +/** Pointer to localized messages array. +*/ +static const dkChar * const *dkdbt_msg = dkdbt_kw_def; + + + +/** Number of options in the dkdbt_options array. +*/ +static const size_t dkdbt_sz_options = +sizeof(dkdbt_options)/sizeof(dk4_option_specification_t); + + + +/** Number of keywords in the dkdbt_msg array. +*/ +static size_t dkdbt_sz_msg = +(sizeof(dkdbt_kw_def)/sizeof(DK4_PDKCHAR) - 1); + + + +/** Maximum key size (0 = unlimited). +*/ +static size_t keymax = 4096; + + + +/** Maximum value size (0 = unlimited). +*/ +static size_t valmax = 4096; + + + +/** Exit status code. +*/ +static int exval = EXIT_FAILURE; + + + +/** Action to execute. +*/ +static int action = DKDBT_ACTION_COPY; + + + +/** Expected input encoding on stdin. +*/ +static int input_enc_s = DK4_FILE_ENCODING_ASCII; + + + +/** Expected input encoding on input files. +*/ +static int input_enc_f = DK4_FILE_ENCODING_ASCII; + + + +/** Flag: Append instead of truncate. +*/ +static int append = 0; + + + +#ifdef SIGPIPE +/** Indicator: SIGPIPE signal received. +*/ +static +DK4_VOLATILE +dk4_sig_atomic_t sig_had_pipe = 0; +#endif + +/** Indicator: SIGINT signal received. +*/ +static +DK4_VOLATILE +dk4_sig_atomic_t sig_had_int = 0; + +/** Indicator: SIGTERM signal received. +*/ +static +DK4_VOLATILE +dk4_sig_atomic_t sig_had_term = 0; + + + +/** Pass a volatile pointer to an atomic integer. + This function is necessary as some compilers mis-optimize + direct access to volatile variables (at least if you believe + one of the coding standards). + @param ptr Address of atomic integer variable. + @return The unmodified pointer. +*/ +static +DK4_VOLATILE +dk4_sig_atomic_t * +sig_pass_pointer(DK4_VOLATILE dk4_sig_atomic_t *ptr) +{ + return ptr; +} + + + +#ifdef SIGPIPE +/** Handler for SIGPIPE signal. + @param signo Signal number (always SIGPIPE, ignored). +*/ +static +void +sig_handler_pipe(int signo) +{ + *sig_pass_pointer(&sig_had_pipe) = 1; +} +#endif + +/** Handler for SIGINT signal. + @param signo Signal number (always SIGINT, ignored). +*/ +static +void +sig_handler_int(int signo) +{ + *sig_pass_pointer(&sig_had_int) = 1; +} + +/** Handler for SIGTERM signal. + @param signo Signal number (always SIGTERM, ignored). +*/ +static +void +sig_handler_term(int signo) +{ + *sig_pass_pointer(&sig_had_term) = 1; +} + +/** Read value from volatile atomic type. + This function is necessary as some compilers mis-optimize + direct access to volatile variables (at least if you believe + one of the coding standards). + @param ap Pointer to volatile atomic variable. + @return Contents of the variable. +*/ +static +dk4_sig_atomic_t +sig_read_atomic(DK4_VOLATILE dk4_sig_atomic_t *ap) +{ + return (*ap); +} + +/** Check whether we can continue or if a signal was received. + @param check_pipe Flag: Check for occured SIGPIPE signal too. + @return 1 if the program can continue, 0 if a signal was received. +*/ +static +int +sig_can_continue(int check_pipe) +{ + int back = 1; +#ifdef SIGPIPE + if (0 != check_pipe) { + if (0 != sig_read_atomic(&sig_had_pipe)) { back = 0; } + } +#endif + if (0 != sig_read_atomic(&sig_had_int )) { back = 0; } + if (0 != sig_read_atomic(&sig_had_term)) { back = 0; } + return back; +} + + + +/** Check whether we can continue. + @return 1 for yes, 0 for no. +*/ +static +int +dkdbt_can_continue(void) +{ + int back = 1; + if (0 == sig_can_continue(1)) { + back = 0; + } + return back; +} + + + +static +void +dkdbt_copy_databases(void) +{ + /* ##### */ +} + + + +static +void +dkdbt_make_database(void) +{ + /* ##### */ +} + + + +static +void +dkdbt_show_database(void) +{ + dk4_er_t er; + dk4_dbi_t *dbi; + const dkChar *fn; + int argc; + + argc = dk4app_get_argc(app); + if (0 < argc) { + if (3 > argc) { + fn = dk4app_get_argv(app, 0); + if (NULL != fn) { + dk4error_init(&er); + dbi = dk4dbi_open(fn, 0, 0, keymax, valmax, &er); + if (NULL != dbi) { + dk4dbi_close(dbi, &er); + } + } else { + /* ##### ERROR: Bug */ + exval = EXIT_FAILURE; + } + } else { + /* ##### ERROR: Too many file names */ + exval = EXIT_FAILURE; + } + } else { + /* ##### ERROR: At least one file name required */ + exval = EXIT_FAILURE; + } +} + + + +/** Run with signal handlers installed. +*/ +static +void +dkdbt_normal_run(void) +{ + dkChar buf[32]; + const size_t szbuf = DK4_SIZEOF(buf,dkChar); + int bom = 0; + + if (0 != dk4app_opt_is_set_short(app, dkT('m'), NULL)) { + if (0 != dk4app_opt_is_set_short(app, dkT('t'), NULL)) { + action = DKDBT_ACTION_NONE; + exval = EXIT_FAILURE; + /* ##### ERROR: Illegal option combination */ + } else { + action = DKDBT_ACTION_FROM_TEXT; + if (0 != dk4app_opt_is_set_short(app, dkT('a'), NULL)) { + append = 1; + } + if (0 != dk4app_opt_is_set_short(app, dkT('i'), NULL)) { + if (0 != dk4app_opt_get_string_short(buf,sz_buf,app,dkT('i'),NULL)) { + if (0 != dk4enc_find(&input_enc_s, &bom, buf, NULL)) { + input_enc_f = input_enc_s; + } else { + /* ##### ERROR: Illegal input encoding */ + exit = EXIT_FAILURE; + } + } + } + } + } else { + if (0 != dk4app_opt_is_set_short(app, dkT('t'), NULL)) { + action = DKDBT_ACTION_TO_TEXT; + } else { + if (0 != dk4app_opt_is_set_short(app, dkT('a'), NULL)) { + append = 1; + } + } + } + if (EXIT_SUCCESS == exval) { + switch (action) { + case DKDBT_ACTION_COPY : { + dkdbt_copy_databases(); + } break; + case DKDBT_ACTION_FROM_TEXT : { + dkdbt_make_database(); + } break; + case DKDBT_ACTION_TO_TEXT : { + dkdbt_show_database(); + } break; + } + } +} + + + +#if DK4_HAVE_SIGACTION +/** Set signal handlers and run. +*/ +static +void +dkdbt_run_with_signal_handlers(void) +{ +#ifdef SIGPIPE + struct sigaction opipe; +#endif + struct sigaction oint; +#ifdef SIGPIPE + struct sigaction npipe; +#endif + struct sigaction nint; + struct sigaction oterm; + struct sigaction nterm; + int success = 0; + +#ifdef SIGPIPE + /* Set up signal handling for SIGPIPE. + */ + npipe.sa_handler = sig_handler_pipe; + npipe.sa_flags = 0; + if (0 != sigemptyset(&npipe.sa_mask)) { + /* ERROR: Failed to set up masked signal set for SIGPIPE */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto finished; + } + if (0 != sigaddset(&npipe.sa_mask, SIGPIPE)) { + /* ERROR: Failed to set up masked signal set for SIGPIPE */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto finished; + } + if (0 != sigaction(SIGPIPE, &npipe, &opipe)) { + /* ERROR: Failed to set up signal handler for SIGPIPE */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto finished; + } +#endif + + /* Set up signal handling for SIGINT. + */ + nint.sa_handler = sig_handler_int; + nint.sa_flags = 0; + if (0 != sigemptyset(&nint.sa_mask)) { + /* ERROR: Failed to set up masked signal set for SIGINT */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_pipe; + } + if (0 != sigaddset(&nint.sa_mask, SIGINT)) { + /* ERROR: Failed to set up masked signal set for SIGINT */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_pipe; + } + if (0 != sigaction(SIGINT, &nint, &oint)) { + /* ERROR: Failed to set up signal handler for SIGINT */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_pipe; + } + + /* Set up signal handling for SIGTERM + */ + nterm.sa_handler = sig_handler_term; + nterm.sa_flags = 0; + if (0 != sigemptyset(&nterm.sa_mask)) { + /* ERROR: Failed to set up masked signal set for SIGTERM */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_int; + } + if (0 != sigaddset(&nterm.sa_mask, SIGTERM)) { + /* ERROR: Failed to set up masked signal set for SIGTERM */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_int; + } + if (0 != sigaction(SIGTERM, &nterm, &oterm)) { + /* ERROR: Failed to set up signal handler for SIGTERM */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 0); + goto restore_old_int; + } + + success = 1; + dkdbt_normal_run(); + + /* Restore signal handling for SIGTERM. + */ + if (0 != sigaction(SIGTERM, &oterm, NULL)) { + /* ERROR: Failed to restore old SIGTERM settings */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1); + success = 0; + } + + /* Restore signal handling for SIGINT. + */ + restore_old_int: + if (0 != sigaction(SIGINT, &oint, NULL)) { + /* ERROR: Failed to restore old SIGPIPE settings */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1); + success = 0; + } + +#ifdef SIGPIPE + /* Restore signal handling for SIGPIPE. + */ + restore_old_pipe: + if (0 != sigaction(SIGPIPE, &opipe, NULL)) { + /* ERROR: Failed to restore old SIGPIPE settings */ + dk4app_log_1(app, dkdbt_msg, dkdbt_sz_msg, DK4_LL_ERROR, 1); + success = 0; + } +#endif + + /* Set exit status code if error occured. + */ + finished: + if (0 == success) { exval = EXIT_FAILURE; } +} +#else +#if DK4_HAVE_SIGSET +/** Set signal handlers and run. +*/ +static +void +dkdbt_run_with_signal_handlers(void) +{ +#ifdef SIGPIPE + dk4_sig_handler_t *oldpipe = NULL; +#endif + dk4_sig_handler_t *oldint = NULL; + dk4_sig_handler_t *oldterm = NULL; + +#ifdef SIGPIPE + oldpipe = sigset(SIGPIPE, sig_handler_pipe); +#endif + oldint = sigset(SIGINT, sig_handler_int); + oldterm = sigset(SIGTERM, sig_handler_term); + dkdbt_normal_run(); + sigset(SIGTERM, oldterm); + sigset(SIGINT, oldint); +#ifdef SIGPIPE + sigset(SIGPIPE, oldpipe); +#endif +} +#else +#if DK4_HAVE_SIGNAL +/** Set signal handlers and run. +*/ +static +void +dkdbt_run_with_signal_handlers(void) +{ +#ifdef SIGPIPE + dk4_sig_handler_t *oldpipe = NULL; +#endif + dk4_sig_handler_t *oldint = NULL; + dk4_sig_handler_t *oldterm = NULL; + +#ifdef SIGPIPE + oldpipe = signal(SIGPIPE, sig_handler_pipe); +#endif + oldint = signal(SIGINT, sig_handler_int); + oldterm = signal(SIGTERM, sig_handler_term); + dkdbt_normal_run(); + signal(SIGTERM, oldterm); + signal(SIGINT, oldint); +#ifdef SIGPIPE + signal(SIGPIPE, oldpipe); +#endif +} +#else +/** Set signal handlers and run. +*/ +static +void +dkdbt_run_with_signal_handlers(void) +{ + dkdbt_normal_run(); +} +#endif +#endif +#endif + + + +/** Main function. + @param argc Number of command line arguments. + @param argv Command line arguments array. + @return 0 on success, all other values indicate errors. +*/ +#if DK4_CHAR_SIZE > 1 +int wmain(int argc, wchar_t *argv[]) +#else +int main(int argc, char *argv[]) +#endif +{ + dk4_sig_atomic_t shp = 0; + + +#line 765 "dkdbt2.ctr" + + +#line 766 "dkdbt2.ctr" + dk4fput_initialize_stdout(); + dk4fput_initialize_stderr(); + app = dk4app_open_cmd( + argc, argv, + dkdbt_options, dkdbt_sz_options, + dkdbt_kwnl[0], version_text, + dkdbt_kwnl[1], dkdbt_help_text, dkdbt_license_text + ); + if (NULL != app) { + dkdbt_sz_msg = dk4app_string_table_size(dkdbt_kw_def); + dkdbt_msg = dk4app_string_table(app, dkdbt_kwnl[2], dkdbt_kw_def); + if (0 != dk4app_can_run_normally(app)) { + exval = EXIT_SUCCESS; + dkdbt_run_with_signal_handlers(); +#ifdef SIGPIPE + shp = sig_read_atomic(&sig_had_pipe); +#endif + if (0 != shp) { + +#line 784 "dkdbt2.ctr" + /* ##### ERROR: Writing to pipe failed */ + } + if (0 != sig_read_atomic(&sig_had_int)) { + +#line 787 "dkdbt2.ctr" + /* ##### ERROR: Interrupted */ + } + } else { + if (0 != dk4app_help_version_license(app)) { + exval = EXIT_SUCCESS; + } + } + dk4app_close(app); app = NULL; + } + fflush(stdout); + fflush(stderr); + dk4fput_cleanup_stderr(); + dk4fput_cleanup_stdout(); + + +#line 801 "dkdbt2.ctr" + + +#line 802 "dkdbt2.ctr" + exit(exval); return exval; +} + |