diff options
Diffstat (limited to 'src/c_init.c')
| -rw-r--r-- | src/c_init.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/c_init.c b/src/c_init.c new file mode 100644 index 0000000..510d20e --- /dev/null +++ b/src/c_init.c @@ -0,0 +1,169 @@ +/* c_init.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" + +#if defined(USE_CONSOLE) + +/************************************************************************* +// +**************************************************************************/ + +static console_t * const me = &console_init; +console_t * con = &console_init; + +int con_mode = CON_INIT; + + +static void try_init(console_t *c, FILE *f) +{ + int k; + + assert(c); + assert(c->init); + k = c->init(f,opt_console,con_mode); + if (k == CON_INIT) + return; +#if 0 + if (con_mode != CON_INIT && opt_console != CON_INIT) + if (k != opt_console) + return; +#endif + if (k > con_mode) + { + con_mode = k; + con = c; + con->init = 0; + if (!con->set_fg) + con->set_fg = console_none.set_fg; + if (!con->print0) + con->print0 = console_none.print0; + if (!con->intro) + con->intro = console_none.intro; + } +} + + +static int do_init(FILE *f) +{ + assert(con_mode == CON_INIT); + + try_init(&console_none,f); + assert(con != me); + assert(con == &console_none); + assert(con_mode == CON_NONE); + if (opt_console == CON_NONE) + return con_mode; + if (!acc_isatty(STDIN_FILENO) || !acc_isatty(STDOUT_FILENO) || !acc_isatty(STDERR_FILENO)) + return con_mode; + +#if defined(USE_ANSI) + try_init(&console_ansi_mono,f); + try_init(&console_ansi_color,f); +#endif +#if defined(USE_SCREEN) + try_init(&console_screen,f); +#endif +#if defined(USE_AALIB) + try_init(&console_aalib,f); +#endif + + return con_mode; +} + + +/************************************************************************* +// +**************************************************************************/ + +static int init(FILE *f, int o, int now) +{ + if (con != me) + return con_mode; + assert(o == -1); + assert(now == -1); + UNUSED(o); + UNUSED(now); + return do_init(f); +} + + +static int set_fg(FILE *f, int fg) +{ + if (con == me) + init(f,-1,-1); + assert(con != me); + return con->set_fg(f,fg); +} + + +static lzo_bool intro(FILE *f) +{ + if (con == me) + init(f,-1,-1); + assert(con != me); + return con->intro(f); +} + + +console_t console_init = +{ + init, + set_fg, + 0, + intro +}; + + +void con_fprintf(FILE *f, const char *format, ...) +{ + va_list args; + char s[80*25]; + + va_start(args,format); +#if defined(HAVE_VSNPRINTF) + vsnprintf(s,sizeof(s),format,args); +#else + vsprintf(s,format,args); +#endif + s[sizeof(s)-1] = 0; + va_end(args); + + if (con == me) + init(f,-1,-1); + assert(con != me); + con->print0(f,s); +} + +#endif /* USE_CONSOLE */ + + +/* +vi:ts=4:et +*/ + |