Sweden-Number/tools/winebuild/main.c

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/*
* Main function
*
* Copyright 1993 Robert J. Amstadt
* Copyright 1995 Martin von Loewis
* Copyright 1995, 1996, 1997 Alexandre Julliard
* Copyright 1997 Eric Youngdale
* Copyright 1999 Ulrich Weigand
*/
#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
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#include "config.h"
#include "winnt.h"
#include "build.h"
ORDDEF EntryPoints[MAX_ORDINALS];
ORDDEF *Ordinals[MAX_ORDINALS];
ORDDEF *Names[MAX_ORDINALS];
SPEC_MODE SpecMode = SPEC_MODE_DLL;
int Base = MAX_ORDINALS;
int Limit = 0;
int DLLHeapSize = 0;
int UsePIC = 0;
int nb_entry_points = 0;
int nb_names = 0;
int debugging = 1;
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int nb_debug_channels = 0;
int nb_lib_paths = 0;
char DLLName[80];
char DLLFileName[80];
char DLLInitFunc[80];
char owner_name[80];
char **debug_channels = NULL;
char **lib_path = NULL;
const char *input_file_name;
const char *output_file_name;
static FILE *input_file;
static FILE *output_file;
/* execution mode */
static enum { MODE_NONE, MODE_SPEC, MODE_GLUE, MODE_RELAY } exec_mode = MODE_NONE;
/* open the input file */
static void open_input( const char *name )
{
input_file_name = name;
if (!(input_file = fopen( name, "r" )))
{
fprintf( stderr, "Cannot open input file '%s'\n", name );
exit(1);
}
}
/* cleanup on program exit */
static void cleanup(void)
{
if (output_file_name) unlink( output_file_name );
}
/*******************************************************************
* command-line option handling
*/
struct option
{
const char *name;
int has_arg;
void (*func)();
const char *usage;
};
static void do_pic(void);
static void do_output( const char *arg );
static void do_usage(void);
static void do_spec( const char *arg );
static void do_glue( const char *arg );
static void do_relay(void);
static void do_sym( const char *arg );
static void do_lib( const char *arg );
static const struct option option_table[] =
{
{ "-fPIC", 0, do_pic, "-fPIC Generate PIC code" },
{ "-h", 0, do_usage, "-h Display this help message" },
{ "-L", 1, do_lib, "-L directory Look for imports libraries in 'directory'" },
{ "-o", 1, do_output, "-o name Set the output file name (default: stdout)" },
{ "-sym", 1, do_sym, "-sym file.o Read the list of undefined symbols from 'file.o'" },
{ "-spec", 1, do_spec, "-spec file.spec Build a .c file from a spec file" },
{ "-glue", 1, do_glue, "-glue file.c Build the 16-bit glue for a .c file" },
{ "-relay", 0, do_relay, "-relay Build the relay assembly routines" },
{ NULL, 0, NULL, NULL }
};
static void do_pic(void)
{
UsePIC = 1;
}
static void do_output( const char *arg )
{
if ( ( unlink ( arg ) ) == -1 && ( errno != ENOENT ) )
{
fprintf ( stderr, "Unable to create output file '%s'\n", arg );
exit (1);
}
if (!(output_file = fopen( arg, "w" )))
{
fprintf( stderr, "Unable to create output file '%s'\n", arg );
exit(1);
}
output_file_name = arg;
atexit( cleanup ); /* make sure we remove the output file on exit */
}
static void do_usage(void)
{
const struct option *opt;
fprintf( stderr, "Usage: winebuild [options]\n\n" );
fprintf( stderr, "Options:\n" );
for (opt = option_table; opt->name; opt++) fprintf( stderr, " %s\n", opt->usage );
fprintf( stderr, "\nExactly one of -spec, -glue or -relay must be specified.\n\n" );
exit(1);
}
static void do_spec( const char *arg )
{
if (exec_mode != MODE_NONE || !arg[0]) do_usage();
exec_mode = MODE_SPEC;
open_input( arg );
}
static void do_glue( const char *arg )
{
if (exec_mode != MODE_NONE || !arg[0]) do_usage();
exec_mode = MODE_GLUE;
open_input( arg );
}
static void do_relay(void)
{
if (exec_mode != MODE_NONE) do_usage();
exec_mode = MODE_RELAY;
}
static void do_sym( const char *arg )
{
extern void read_undef_symbols( const char *name );
read_undef_symbols( arg );
}
static void do_lib( const char *arg )
{
lib_path = xrealloc( lib_path, (nb_lib_paths+1) * sizeof(*lib_path) );
lib_path[nb_lib_paths++] = xstrdup( arg );
}
/* parse options from the argv array and remove all the recognized ones */
static void parse_options( char *argv[] )
{
const struct option *opt;
char * const * ptr;
const char* arg=NULL;
ptr=argv+1;
while (*ptr != NULL)
{
for (opt = option_table; opt->name; opt++)
{
if (opt->has_arg && !strncmp( *ptr, opt->name, strlen(opt->name) ))
{
arg=*ptr+strlen(opt->name);
if (*arg=='\0')
{
ptr++;
arg=*ptr;
}
break;
}
if (!strcmp( *ptr, opt->name ))
{
arg=NULL;
break;
}
}
if (!opt->name)
{
fprintf( stderr, "Unrecognized option '%s'\n", *ptr );
do_usage();
}
if (opt->has_arg && arg!=NULL) opt->func( arg );
else opt->func( "" );
ptr++;
}
}
/*******************************************************************
* main
*/
int main(int argc, char **argv)
{
output_file = stdout;
parse_options( argv );
switch(exec_mode)
{
case MODE_SPEC:
switch (ParseTopLevel( input_file ))
{
case SPEC_WIN16:
BuildSpec16File( output_file );
break;
case SPEC_WIN32:
BuildSpec32File( output_file );
break;
default: assert(0);
}
break;
case MODE_GLUE:
BuildGlue( output_file, input_file );
break;
case MODE_RELAY:
BuildRelays( output_file );
break;
default:
do_usage();
break;
}
fclose( output_file );
output_file_name = NULL;
return 0;
}