femsci/toilet
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Add mygetopt.c to the project. Fixes #42.

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This commit is contained in:
Sam Hocevar 2010-02-08 23:56:33 +00:00 committed by sam
parent a5f4d401fc
commit bb02608645
5 changed files with 193 additions and 59 deletions
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9
configure.ac
View file

@ -27,11 +27,16 @@ fi
AC_CHECK_HEADERS(getopt.h sys/ioctl.h zlib.h)
ac_cv_have_getopt_long="no"
AC_CHECK_FUNCS(getopt_long,
[AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)],
[ac_cv_have_getopt_long="yes"],
[AC_CHECK_LIB(gnugetopt, getopt_long,
[AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the `getopt_long' function.)
[ac_cv_have_getopt_long="yes"
GETOPT_LIBS="${GETOPT_LIBS} -lgnugetopt"])])
if test "$ac_cv_have_getopt_long" != "no"; then
AC_DEFINE(HAVE_GETOPT_LONG, 1, Define to 1 if you have the ‘getopt_long’ function.)
fi
AM_CONDITIONAL(NEED_GETOPT_LONG, test "$ac_cv_have_getopt_long" = "no")
AC_SUBST(GETOPT_LIBS)
AC_CHECK_LIB(z, gzopen,

8
src/Makefile.am
View file

@ -5,10 +5,16 @@ toilet_SOURCES = main.c toilet.h \
render.c render.h \
filter.c filter.h \
export.c export.h \
term.c figlet.c
term.c figlet.c \
$(GETOPT)
toilet_CPPFLAGS = -DFONTDIR=\"$(datadir)/figlet\"
toilet_CFLAGS = @CACA_CFLAGS@
toilet_LDADD = @CACA_LIBS@ @GETOPT_LIBS@ @ZLIB_LIBS@
if NEED_GETOPT_LONG
GETOPT = mygetopt.c mygetopt.h
endif
echo-sources: ; echo $(SOURCES)

72
src/main.c
View file

@ -21,7 +21,9 @@
#if defined HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#if defined HAVE_GETOPT_H
#if !defined HAVE_GETOPT_LONG
# include "mygetopt.h"
#elif defined HAVE_GETOPT_H
# include <getopt.h>
#endif
#if defined HAVE_SYS_IOCTL_H && defined HAVE_TIOCGWINSZ
@ -37,11 +39,16 @@
#include "filter.h"
#include "export.h"
static void version(void);
#if defined HAVE_GETOPT_H
static void usage(void);
#if defined HAVE_GETOPT_LONG
# define mygetopt getopt_long
# define myoptind optind
# define myoptarg optarg
# define myoption option
#endif
static void version(void);
static void usage(void);
int main(int argc, char *argv[])
{
context_t struct_cx;
@ -60,13 +67,11 @@ int main(int argc, char *argv[])
cx->filters = NULL;
cx->nfilters = 0;
#if defined HAVE_GETOPT_H
for(;;)
{
# ifdef HAVE_GETOPT_LONG
#define MOREINFO "Try `%s --help' for more information.\n"
int option_index = 0;
static struct option long_options[] =
static struct myoption long_options[] =
{
/* Long option, needs arg, flag, short option */
{ "font", 1, NULL, 'f' },
@ -85,12 +90,8 @@ int main(int argc, char *argv[])
{ NULL, 0, NULL, 0 }
};
int c = getopt_long(argc, argv, "f:d:w:tsSkWoF:E:hI:v",
int c = mygetopt(argc, argv, "f:d:w:tsSkWoF:E:hI:v",
long_options, &option_index);
# else
# define MOREINFO "Try `%s -h' for more information.\n"
int c = getopt(argc, argv, "f:d:w:tsSkWoF:E:hI:v");
# endif
if(c == -1)
break;
@ -100,21 +101,21 @@ int main(int argc, char *argv[])
usage();
return 0;
case 'I': /* --infocode */
infocode = atoi(optarg);
infocode = atoi(myoptarg);
break;
case 'v': /* --version */
version();
return 0;
case 'f': /* --font */
cx->font = optarg;
cx->font = myoptarg;
break;
case 'd': /* --directory */
cx->dir = optarg;
cx->dir = myoptarg;
break;
case 'F': /* --filter */
if(!strcmp(optarg, "list"))
if(!strcmp(myoptarg, "list"))
return filter_list();
if(filter_add(cx, optarg) < 0)
if(filter_add(cx, myoptarg) < 0)
return -1;
break;
case 130: /* --gay */
@ -124,7 +125,7 @@ int main(int argc, char *argv[])
filter_add(cx, "metal");
break;
case 'w': /* --width */
cx->term_width = atoi(optarg);
cx->term_width = atoi(myoptarg);
break;
case 't': /* --termwidth */
{
@ -154,9 +155,9 @@ int main(int argc, char *argv[])
cx->hmode = H_OVERLAP;
break;
case 'E': /* --export */
if(!strcmp(optarg, "list"))
if(!strcmp(myoptarg, "list"))
return export_list();
if(export_set(cx, optarg) < 0)
if(export_set(cx, myoptarg) < 0)
return -1;
break;
case 140: /* --irc */
@ -174,10 +175,6 @@ int main(int argc, char *argv[])
return 1;
}
}
#else
# define MOREINFO "Usage: %s message...\n"
int optind = 1;
#endif
switch(infocode)
{
@ -205,10 +202,10 @@ int main(int argc, char *argv[])
if(render_init(cx) < 0)
return -1;
if(optind >= argc)
if(myoptind >= argc)
render_stdin(cx);
else
render_list(cx, argc - optind, argv + optind);
render_list(cx, argc - myoptind, argv + myoptind);
render_end(cx);
filter_end(cx);
@ -216,16 +213,11 @@ int main(int argc, char *argv[])
return 0;
}
#if defined HAVE_GETOPT_H
#define USAGE \
"Usage: toilet [ -hkostvSW ] [ -d fontdirectory ]\n" \
" [ -f fontfile ] [ -F filter ] [ -w outputwidth ]\n" \
" [ -I infocode ] [ -E format ] [ message ]\n"
#else
# define USAGE ""
#endif
#if defined HAVE_GETOPT_LONG
#define HELP \
" -f, --font <name> select the font\n" \
" -d, --directory <dir> specify font directory\n" \
@ -244,22 +236,6 @@ int main(int argc, char *argv[])
" -h, --help display this help and exit\n" \
" -I, --infocode <code> print FIGlet-compatible infocode\n" \
" -v, --version output version information and exit\n"
#else
# define HELP \
" -f <name> select the font\n" \
" -d <dir> specify font directory\n" \
" -s, -S, -k, -W, -o render mode (default, force smushing,\n" \
" kerning, full width, overlap)\n" \
" -w <width> set output width\n" \
" -t adapt to terminal's width\n" \
" -F <filters> apply one or several filters to the text\n" \
" -F list list available filters\n" \
" -E <format> select export format\n" \
" -E list list available export formats\n" \
" -h display this help and exit\n" \
" -I <code> print FIGlet-compatible infocode\n" \
" -v output version information and exit\n"
#endif
static void version(void)
{
@ -278,10 +254,8 @@ static void version(void)
"%s", VERSION, DATE, USAGE);
}
#if defined HAVE_GETOPT_H
static void usage(void)
{
printf("%s%s", HELP, USAGE);
}
#endif

120
src/mygetopt.c Normal file
View file

@ -0,0 +1,120 @@
/*
* TOIlet The Other Implementation’s letters
* Copyright (c) 2002-2010 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
/*
* mygetopt.c: getopt_long reimplementation
*/
#include "config.h"
#if defined HAVE_STDINT_H
# include <stdint.h>
#elif defined HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#include <stdio.h>
#include <string.h>
#include "mygetopt.h"
int myoptind = 1;
char *myoptarg = NULL;
/* XXX: this getopt_long implementation should not be trusted for other
* applications without any serious peer reviewing. It “just works” with
* zzuf but may fail miserably in other programs. */
int mygetopt(int argc, char * const _argv[], const char *optstring,
const struct myoption *longopts, int *longindex)
{
char **argv = (char **)(uintptr_t)_argv;
char *flag;
int i;
if(myoptind >= argc)
return -1;
flag = argv[myoptind];
if(flag[0] == '-' && flag[1] != '-')
{
char *tmp;
int ret = flag[1];
if(ret == '\0')
return -1;
tmp = strchr(optstring, ret);
if(!tmp || ret == ':')
return '?';
myoptind++;
if(tmp[1] == ':')
{
if(flag[2] != '\0')
myoptarg = flag + 2;
else
myoptarg = argv[myoptind++];
return ret;
}
if(flag[2] != '\0')
{
flag[1] = '-';
myoptind--;
argv[myoptind]++;
}
return ret;
}
if(flag[0] == '-' && flag[1] == '-')
{
if(flag[2] == '\0')
return -1;
for(i = 0; longopts[i].name; i++)
{
size_t l = strlen(longopts[i].name);
if(strncmp(flag + 2, longopts[i].name, l))
continue;
switch(flag[2 + l])
{
case '=':
if(!longopts[i].has_arg)
goto bad_opt;
if(longindex)
*longindex = i;
myoptind++;
myoptarg = flag + 2 + l + 1;
return longopts[i].val;
case '\0':
if(longindex)
*longindex = i;
myoptind++;
if(longopts[i].has_arg)
myoptarg = argv[myoptind++];
return longopts[i].val;
default:
break;
}
}
bad_opt:
fprintf(stderr, "%s: unrecognized option `%s'\n", argv[0], flag);
return '?';
}
return -1;
}

29
src/mygetopt.h Normal file
View file

@ -0,0 +1,29 @@
/*
* TOIlet The Other Implementation’s letters
* Copyright (c) 2002-2010 Sam Hocevar <sam@hocevar.net>
* All Rights Reserved
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What The Fuck You Want
* To Public License, Version 2, as published by Sam Hocevar. See
* http://sam.zoy.org/wtfpl/COPYING for more details.
*/
/*
* mygetopt.h: getopt_long reimplementation
*/
struct myoption
{
const char *name;
int has_arg;
int *flag;
int val;
};
extern int myoptind;
extern char *myoptarg;
int mygetopt(int, char * const[], const char *, const struct myoption *, int *);