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+/* help.c --
+
+ This file is part of the lzop file compressor.
+
+ Copyright (C) 1996-2010 Markus Franz Xaver Johannes Oberhumer
+ All Rights Reserved.
+
+ lzop and the LZO library are free software; you can redistribute them
+ and/or modify them under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2 of
+ the License, or (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING.
+ If not, write to the Free Software Foundation, Inc.,
+ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+ Markus F.X.J. Oberhumer
+ <markus@oberhumer.com>
+ http://www.oberhumer.com/opensource/lzop/
+ */
+
+
+#include "conf.h"
+#include "version.h"
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+static lzo_bool head_done = 0;
+
+void head(void)
+{
+ FILE *f = con_term;
+ int fg;
+
+ if (head_done)
+ return;
+ head_done = 1;
+
+ fg = con_fg(f,FG_GREEN);
+ con_fprintf(f,
+ " Lempel-Ziv-Oberhumer Packer\n"
+ " Copyright (C) 1996 - 2010\n"
+ "lzop v%-11s Markus Franz Xaver Johannes Oberhumer %20s\n"
+ "\n",
+ LZOP_VERSION_STRING, LZOP_VERSION_DATE);
+ fg = con_fg(f,fg);
+ UNUSED(fg);
+}
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+void usage(void)
+{
+ FILE *f = con_term;
+
+ con_fprintf(f,"Usage: %s [-dxlthIVL%s] [-qvcfFnNPkUp] [-o file] [-S suffix] [%sfile..]\n", progname,
+#if defined(USE_LZO1X_1_15) && defined(USE_LZO1X_999)
+ "19",
+#elif defined(USE_LZO1X_1_15)
+ "1",
+#else
+ "",
+#endif
+#if defined(__DJGPP__) || defined(__EMX__)
+ "[@]");
+#else
+ "");
+#endif
+}
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+void help(void)
+{
+ FILE *f = con_term;
+ int fg;
+
+#ifdef OPT_NAME_DEFAULT
+ const char *dn = "";
+ const char *dN = " (default)";
+#else
+ const char *dn = " (default)";
+ const char *dN = "";
+#endif
+
+ head();
+ usage();
+
+ con_fprintf(f,"\n");
+ fg = con_fg(f,FG_YELLOW);
+ con_fprintf(f,"Commands:\n");
+ fg = con_fg(f,fg);
+ con_fprintf(f,
+#if defined(USE_LZO1X_1_15) && defined(USE_LZO1X_999)
+" -1 compress faster -9 compress better\n"
+#elif defined(USE_LZO1X_1_15)
+" -1 compress faster\n"
+#endif
+" -d decompress -x extract (same as -dPp)\n"
+" -l list compressed file -I display system information\n"
+" -t test compressed file -V display version number\n"
+" -h give this help -L display software license\n"
+);
+
+ fg = con_fg(f,FG_YELLOW);
+ con_fprintf(f,"Options:\n");
+ fg = con_fg(f,fg);
+
+ con_fprintf(f,
+" -q be quiet -v be verbose\n"
+" -c write on standard output -oFILE write output to 'FILE'\n"
+" -p write output to current dir -pDIR write to path 'DIR'\n"
+" -f force overwrite of output files\n"
+" -n do not restore the original file name%s\n"
+" -N restore the original file name%s\n"
+" -P restore or save the original path and file name\n"
+" -S.suf use suffix .suf on compressed files\n"
+#if 0
+" -F do *not* store or verify checksum of files (a little bit faster)\n"
+#endif
+" -U delete input files after successful operation (like gzip and bzip2)\n"
+" file.. files to (de)compress. If none given, try standard input.\n"
+, dn, dN);
+
+ UNUSED(fg);
+}
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+void license(void)
+{
+ FILE *f = con_term;
+
+ head();
+
+con_fprintf(f,
+" lzop and the LZO library are free software; you can redistribute them\n"
+" and/or modify them under the terms of the GNU General Public License as\n"
+" published by the Free Software Foundation; either version 2 of\n"
+" the License, or (at your option) any later version.\n"
+"\n"
+" This program is distributed in the hope that it will be useful,\n"
+" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
+" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
+" GNU General Public License for more details.\n"
+"\n"
+" You should have received a copy of the GNU General Public License\n"
+" along with this program; see the file COPYING.\n"
+" If not, write to the Free Software Foundation, Inc.,\n"
+" 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"
+"\n"
+" Markus F.X.J. Oberhumer\n"
+" <markus@oberhumer.com>\n"
+" http://www.oberhumer.com/opensource/lzop/\n"
+ );
+}
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+#ifndef LZOP_BUILD_DATE_TIME
+#define LZOP_BUILD_DATE_TIME __DATE__ " " __TIME__
+#endif
+
+const char lzop_rcsid[] =
+ "\n$" "Id: lzop " LZOP_VERSION_STRING " built " LZOP_BUILD_DATE_TIME " $\n";
+
+LZO_EXTERN(const lzo_bytep) lzo_copyright(void);
+
+void version(void)
+{
+ FILE *f = con_term;
+ char pp[2048];
+ const lzo_bytep qq;
+ char *p, *q, *s;
+ size_t i;
+
+ head();
+
+ con_fprintf(f,
+ "lzop version: v" LZOP_VERSION_STRING ", " LZOP_VERSION_DATE "\n"
+ "lzop build date: " LZOP_BUILD_DATE_TIME "\n");
+
+ for (i = 0, qq = lzo_copyright(); i < sizeof(pp)-1 && *qq; i++, qq++)
+ pp[i] = (char) *qq;
+ pp[i] = 0;
+ p = strstr(pp,"LZO version");
+ if (p == NULL)
+ return;
+ s = strchr(p,'$');
+ if (s == NULL)
+ return;
+ for (q = s; q > p && q[-1] == '\n'; )
+ *--q = 0;
+ q = strchr(s+1,'$');
+ if (q == NULL)
+ return;
+ q[1] = 0;
+ con_fprintf(f,"\n%s\n",p);
+ con_fprintf(f,"\n%s\n",s);
+}
+
+
+/*************************************************************************
+//
+**************************************************************************/
+
+void sysinfo(void)
+{
+ FILE *f = con_term;
+ int fg = 0;
+ const char *env = NULL;
+
+ head();
+
+#if defined(HAVE_LOCALTIME) && defined(HAVE_GMTIME)
+ {
+ char s[40];
+ time_t t;
+
+ t = time(NULL);
+ tm2str(s, sizeof(s), localtime(&t));
+ con_fprintf(f,"Local time is: %s\n",s);
+ tm2str(s, sizeof(s), gmtime(&t));
+ con_fprintf(f,"GMT time is: %s\n\n",s);
+ }
+#endif
+
+#if defined(OPTIONS_VAR)
+ env = getenv(OPTIONS_VAR);
+ if (env && env[0])
+ con_fprintf(f,"Contents of environment variable %s: '%s'\n\n",
+ OPTIONS_VAR, env);
+ else
+ con_fprintf(f,"Environment variable '%s' is not set.\n\n",
+ OPTIONS_VAR);
+#endif
+
+#if defined(USE_FOPEN)
+ con_fprintf(f,"This version uses stdio for opening files.\n\n");
+#endif
+
+#if defined(__DJGPP__)
+ sysinfo_djgpp();
+#endif
+
+ UNUSED(env);
+ UNUSED(fg);
+}
+
+
+/*
+vi:ts=4:et
+*/
+
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