776 lines
20 KiB
C
776 lines
20 KiB
C
/*
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* Helper functions for the Wine tools
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*
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* Copyright 2021 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_TOOLS_H
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#define __WINE_TOOLS_H
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <time.h>
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#include <errno.h>
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#ifdef _WIN32
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# include <direct.h>
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# include <io.h>
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# include <process.h>
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# define mkdir(path,mode) mkdir(path)
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# ifndef S_ISREG
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# define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
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# endif
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# ifdef _MSC_VER
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# define popen _popen
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# define pclose _pclose
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# define strtoll _strtoi64
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# define strtoull _strtoui64
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# define strncasecmp _strnicmp
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# define strcasecmp _stricmp
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# endif
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#else
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# include <sys/wait.h>
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# include <unistd.h>
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# ifndef O_BINARY
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# define O_BINARY 0
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# endif
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# ifndef __int64
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# if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
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# define __int64 long
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# else
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# define __int64 long long
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# endif
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# endif
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#endif
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#if !defined(__GNUC__) && !defined(__attribute__)
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#define __attribute__(x)
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#endif
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#ifndef max
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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#ifndef min
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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struct target
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{
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enum { CPU_i386, CPU_x86_64, CPU_ARM, CPU_ARM64 } cpu;
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enum
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{
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PLATFORM_UNSPECIFIED,
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PLATFORM_APPLE,
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PLATFORM_ANDROID,
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PLATFORM_LINUX,
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PLATFORM_FREEBSD,
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PLATFORM_SOLARIS,
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PLATFORM_WINDOWS,
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PLATFORM_MINGW,
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PLATFORM_CYGWIN
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} platform;
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};
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static inline void *xmalloc( size_t size )
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{
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void *res = malloc( size ? size : 1 );
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if (res == NULL)
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{
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fprintf( stderr, "Virtual memory exhausted.\n" );
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exit(1);
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}
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return res;
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}
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static inline void *xrealloc (void *ptr, size_t size)
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{
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void *res = realloc( ptr, size );
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if (size && res == NULL)
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{
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fprintf( stderr, "Virtual memory exhausted.\n" );
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exit(1);
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}
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return res;
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}
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static inline char *xstrdup( const char *str )
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{
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return strcpy( xmalloc( strlen(str)+1 ), str );
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}
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static inline int strendswith( const char *str, const char *end )
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{
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int l = strlen( str );
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int m = strlen( end );
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return l >= m && !strcmp( str + l - m, end );
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}
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static char *strmake( const char* fmt, ... ) __attribute__ ((__format__ (__printf__, 1, 2)));
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static inline char *strmake( const char* fmt, ... )
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{
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int n;
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size_t size = 100;
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va_list ap;
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for (;;)
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{
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char *p = xmalloc( size );
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va_start( ap, fmt );
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n = vsnprintf( p, size, fmt, ap );
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va_end( ap );
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if (n == -1) size *= 2;
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else if ((size_t)n >= size) size = n + 1;
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else return p;
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free( p );
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}
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}
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/* string array functions */
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struct strarray
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{
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unsigned int count; /* strings in use */
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unsigned int size; /* total allocated size */
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const char **str;
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};
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static const struct strarray empty_strarray;
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static inline void strarray_add( struct strarray *array, const char *str )
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{
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if (array->count == array->size)
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{
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if (array->size) array->size *= 2;
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else array->size = 16;
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array->str = xrealloc( array->str, sizeof(array->str[0]) * array->size );
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}
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array->str[array->count++] = str;
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}
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static inline void strarray_addall( struct strarray *array, struct strarray added )
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{
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unsigned int i;
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for (i = 0; i < added.count; i++) strarray_add( array, added.str[i] );
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}
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static inline int strarray_exists( const struct strarray *array, const char *str )
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{
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unsigned int i;
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for (i = 0; i < array->count; i++) if (!strcmp( array->str[i], str )) return 1;
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return 0;
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}
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static inline void strarray_add_uniq( struct strarray *array, const char *str )
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{
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if (!strarray_exists( array, str )) strarray_add( array, str );
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}
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static inline void strarray_addall_uniq( struct strarray *array, struct strarray added )
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{
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unsigned int i;
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for (i = 0; i < added.count; i++) strarray_add_uniq( array, added.str[i] );
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}
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static inline struct strarray strarray_fromstring( const char *str, const char *delim )
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{
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struct strarray array = empty_strarray;
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char *buf = xstrdup( str );
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const char *tok;
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for (tok = strtok( buf, delim ); tok; tok = strtok( NULL, delim ))
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strarray_add( &array, xstrdup( tok ));
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free( buf );
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return array;
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}
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static inline struct strarray strarray_frompath( const char *path )
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{
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if (!path) return empty_strarray;
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#ifdef _WIN32
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return strarray_fromstring( path, ";" );
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#else
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return strarray_fromstring( path, ":" );
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#endif
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}
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static inline char *strarray_tostring( struct strarray array, const char *sep )
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{
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char *str;
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unsigned int i, len = 1 + (array.count - 1) * strlen(sep);
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if (!array.count) return xstrdup("");
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for (i = 0; i < array.count; i++) len += strlen( array.str[i] );
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str = xmalloc( len );
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strcpy( str, array.str[0] );
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for (i = 1; i < array.count; i++)
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{
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strcat( str, sep );
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strcat( str, array.str[i] );
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}
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return str;
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}
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static inline void strarray_qsort( struct strarray *array, int (*func)(const char **, const char **) )
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{
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if (array->count) qsort( array->str, array->count, sizeof(*array->str), (void *)func );
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}
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static inline const char *strarray_bsearch( const struct strarray *array, const char *str,
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int (*func)(const char **, const char **) )
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{
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char **res = NULL;
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if (array->count) res = bsearch( &str, array->str, array->count, sizeof(*array->str), (void *)func );
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return res ? *res : NULL;
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}
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static inline void strarray_trace( struct strarray args )
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{
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unsigned int i;
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for (i = 0; i < args.count; i++)
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{
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if (strpbrk( args.str[i], " \t\n\r")) printf( "\"%s\"", args.str[i] );
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else printf( "%s", args.str[i] );
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putchar( i < args.count - 1 ? ' ' : '\n' );
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}
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}
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static inline int strarray_spawn( struct strarray args )
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{
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#ifdef _WIN32
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strarray_add( &args, NULL );
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return _spawnvp( _P_WAIT, args.str[0], args.str );
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#else
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pid_t pid, wret;
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int status;
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if (!(pid = fork()))
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{
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strarray_add( &args, NULL );
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execvp( args.str[0], (char **)args.str );
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_exit(1);
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}
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if (pid == -1) return -1;
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while (pid != (wret = waitpid( pid, &status, 0 )))
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if (wret == -1 && errno != EINTR) break;
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if (pid == wret && WIFEXITED(status)) return WEXITSTATUS(status);
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return 255; /* abnormal exit with an abort or an interrupt */
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#endif
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}
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static inline char *get_basename( const char *file )
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{
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const char *ret = strrchr( file, '/' );
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return xstrdup( ret ? ret + 1 : file );
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}
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static inline char *get_basename_noext( const char *file )
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{
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char *ext, *ret = get_basename( file );
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if ((ext = strrchr( ret, '.' ))) *ext = 0;
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return ret;
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}
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static inline char *get_dirname( const char *file )
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{
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const char *end = strrchr( file, '/' );
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if (!end) return xstrdup( "." );
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if (end == file) end++;
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return strmake( "%.*s", (int)(end - file), file );
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}
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static inline char *replace_extension( const char *name, const char *old_ext, const char *new_ext )
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{
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int name_len = strlen( name );
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if (strendswith( name, old_ext )) name_len -= strlen( old_ext );
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return strmake( "%.*s%s", name_len, name, new_ext );
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}
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static inline int make_temp_file( const char *prefix, const char *suffix, char **name )
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{
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static unsigned int value;
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int fd, count;
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const char *tmpdir = NULL;
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if (!prefix) prefix = "tmp";
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if (!suffix) suffix = "";
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value += time(NULL) + getpid();
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for (count = 0; count < 0x8000; count++)
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{
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if (tmpdir)
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*name = strmake( "%s/%s-%08x%s", tmpdir, prefix, value, suffix );
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else
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*name = strmake( "%s-%08x%s", prefix, value, suffix );
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fd = open( *name, O_RDWR | O_CREAT | O_EXCL, 0600 );
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if (fd >= 0) return fd;
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value += 7777;
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if (errno == EACCES && !tmpdir && !strchr( prefix, '/' ))
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{
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if (!(tmpdir = getenv("TMPDIR"))) tmpdir = "/tmp";
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}
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free( *name );
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}
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fprintf( stderr, "failed to create temp file for %s%s\n", prefix, suffix );
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exit(1);
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}
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static inline void *read_file( const char *name, size_t *size )
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{
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struct stat st;
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int res, fd;
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void *data;
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if ((fd = open( name, O_RDONLY | O_BINARY )) == -1) return NULL;
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fstat( fd, &st );
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data = xmalloc( st.st_size );
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res = read( fd, data, st.st_size );
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if (res == -1)
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{
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free( data );
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data = NULL;
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*size = 0;
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}
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else *size = res;
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close( fd );
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return data;
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}
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static inline struct target get_default_target(void)
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{
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struct target target;
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#ifdef __i386__
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target.cpu = CPU_i386;
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#elif defined(__x86_64__)
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target.cpu = CPU_x86_64;
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#elif defined(__arm__)
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target.cpu = CPU_ARM;
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#elif defined(__aarch64__)
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target.cpu = CPU_ARM64;
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#else
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#error Unsupported CPU
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#endif
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#ifdef __APPLE__
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target.platform = PLATFORM_APPLE;
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#elif defined(__ANDROID__)
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target.platform = PLATFORM_ANDROID;
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#elif defined(__linux__)
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target.platform = PLATFORM_LINUX;
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#elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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target.platform = PLATFORM_FREEBSD;
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#elif defined(__sun)
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target.platform = PLATFORM_SOLARIS;
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#elif defined(__CYGWIN__)
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target.platform = PLATFORM_CYGWIN;
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#elif defined(_WIN32)
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target.platform = PLATFORM_MINGW;
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#else
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target.platform = PLATFORM_UNSPECIFIED;
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#endif
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return target;
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}
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static inline unsigned int get_target_ptr_size( struct target target )
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{
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static const unsigned int sizes[] =
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{
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[CPU_i386] = 4,
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[CPU_x86_64] = 8,
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[CPU_ARM] = 4,
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[CPU_ARM64] = 8,
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};
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return sizes[target.cpu];
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}
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static inline void set_target_ptr_size( struct target *target, unsigned int size )
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{
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switch (target->cpu)
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{
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case CPU_i386:
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if (size == 8) target->cpu = CPU_x86_64;
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break;
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case CPU_x86_64:
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if (size == 4) target->cpu = CPU_i386;
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break;
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case CPU_ARM:
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if (size == 8) target->cpu = CPU_ARM64;
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break;
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case CPU_ARM64:
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if (size == 4) target->cpu = CPU_ARM;
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break;
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}
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}
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static inline int get_cpu_from_name( const char *name )
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{
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static const struct
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{
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const char *name;
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int cpu;
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} cpu_names[] =
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{
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{ "i386", CPU_i386 },
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{ "i486", CPU_i386 },
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{ "i586", CPU_i386 },
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{ "i686", CPU_i386 },
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{ "i786", CPU_i386 },
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{ "x86_64", CPU_x86_64 },
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{ "amd64", CPU_x86_64 },
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{ "aarch64", CPU_ARM64 },
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{ "arm64", CPU_ARM64 },
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{ "arm", CPU_ARM },
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};
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(cpu_names); i++)
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if (!strncmp( cpu_names[i].name, name, strlen(cpu_names[i].name) )) return cpu_names[i].cpu;
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return -1;
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}
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static inline int get_platform_from_name( const char *name )
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{
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static const struct
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{
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const char *name;
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int platform;
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} platform_names[] =
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{
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{ "macos", PLATFORM_APPLE },
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{ "darwin", PLATFORM_APPLE },
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{ "android", PLATFORM_ANDROID },
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{ "linux", PLATFORM_LINUX },
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{ "freebsd", PLATFORM_FREEBSD },
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{ "solaris", PLATFORM_SOLARIS },
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{ "mingw32", PLATFORM_MINGW },
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{ "windows-gnu", PLATFORM_MINGW },
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{ "winnt", PLATFORM_MINGW },
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{ "windows", PLATFORM_WINDOWS },
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{ "cygwin", PLATFORM_CYGWIN },
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};
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(platform_names); i++)
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if (!strncmp( platform_names[i].name, name, strlen(platform_names[i].name) ))
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return platform_names[i].platform;
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return -1;
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};
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static inline const char *get_arch_dir( struct target target )
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{
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static const char *cpu_names[] =
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{
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[CPU_i386] = "i386",
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[CPU_x86_64] = "x86_64",
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[CPU_ARM] = "arm",
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[CPU_ARM64] = "aarch64"
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};
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if (!cpu_names[target.cpu]) return "";
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switch (target.platform)
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{
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case PLATFORM_WINDOWS:
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case PLATFORM_CYGWIN:
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case PLATFORM_MINGW:
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return strmake( "/%s-windows", cpu_names[target.cpu] );
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default:
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return strmake( "/%s-unix", cpu_names[target.cpu] );
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}
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}
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static inline int parse_target( const char *name, struct target *target )
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{
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int res;
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char *p, *spec = xstrdup( name );
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/* target specification is in the form CPU-MANUFACTURER-OS or CPU-MANUFACTURER-KERNEL-OS */
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/* get the CPU part */
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if ((p = strchr( spec, '-' )))
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{
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*p++ = 0;
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if ((res = get_cpu_from_name( spec )) == -1)
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{
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free( spec );
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return 0;
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}
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target->cpu = res;
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}
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else if (!strcmp( spec, "mingw32" ))
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{
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target->cpu = CPU_i386;
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p = spec;
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}
|
|
else
|
|
{
|
|
free( spec );
|
|
return 0;
|
|
}
|
|
|
|
/* get the OS part */
|
|
|
|
target->platform = PLATFORM_UNSPECIFIED; /* default value */
|
|
for (;;)
|
|
{
|
|
if ((res = get_platform_from_name( p )) != -1)
|
|
{
|
|
target->platform = res;
|
|
break;
|
|
}
|
|
if (!(p = strchr( p, '-' ))) break;
|
|
p++;
|
|
}
|
|
|
|
free( spec );
|
|
return 1;
|
|
}
|
|
|
|
|
|
static inline struct target init_argv0_target( const char *argv0 )
|
|
{
|
|
char *name = get_basename( argv0 );
|
|
struct target target;
|
|
|
|
if (!strchr( name, '-' ) || !parse_target( name, &target ))
|
|
target = get_default_target();
|
|
|
|
free( name );
|
|
return target;
|
|
}
|
|
|
|
|
|
/* output buffer management */
|
|
|
|
extern unsigned char *output_buffer;
|
|
extern size_t output_buffer_pos;
|
|
extern size_t output_buffer_size;
|
|
|
|
static inline void check_output_buffer_space( size_t size )
|
|
{
|
|
if (output_buffer_pos + size >= output_buffer_size)
|
|
{
|
|
output_buffer_size = max( output_buffer_size * 2, output_buffer_pos + size );
|
|
output_buffer = xrealloc( output_buffer, output_buffer_size );
|
|
}
|
|
}
|
|
|
|
static inline void init_output_buffer(void)
|
|
{
|
|
output_buffer_size = 1024;
|
|
output_buffer_pos = 0;
|
|
output_buffer = xmalloc( output_buffer_size );
|
|
}
|
|
|
|
static inline void put_data( const void *data, size_t size )
|
|
{
|
|
check_output_buffer_space( size );
|
|
memcpy( output_buffer + output_buffer_pos, data, size );
|
|
output_buffer_pos += size;
|
|
}
|
|
|
|
static inline void put_byte( unsigned char val )
|
|
{
|
|
check_output_buffer_space( 1 );
|
|
output_buffer[output_buffer_pos++] = val;
|
|
}
|
|
|
|
static inline void put_word( unsigned short val )
|
|
{
|
|
check_output_buffer_space( 2 );
|
|
output_buffer[output_buffer_pos++] = val;
|
|
output_buffer[output_buffer_pos++] = val >> 8;
|
|
}
|
|
|
|
static inline void put_dword( unsigned int val )
|
|
{
|
|
check_output_buffer_space( 4 );
|
|
output_buffer[output_buffer_pos++] = val;
|
|
output_buffer[output_buffer_pos++] = val >> 8;
|
|
output_buffer[output_buffer_pos++] = val >> 16;
|
|
output_buffer[output_buffer_pos++] = val >> 24;
|
|
}
|
|
|
|
static inline void put_qword( unsigned int val )
|
|
{
|
|
put_dword( val );
|
|
put_dword( 0 );
|
|
}
|
|
|
|
static inline void align_output( unsigned int align )
|
|
{
|
|
size_t size = align - (output_buffer_pos % align);
|
|
|
|
if (size == align) return;
|
|
check_output_buffer_space( size );
|
|
memset( output_buffer + output_buffer_pos, 0, size );
|
|
output_buffer_pos += size;
|
|
}
|
|
|
|
static inline void flush_output_buffer( const char *name )
|
|
{
|
|
int fd = open( name, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, 0666 );
|
|
|
|
if (fd == -1 || write( fd, output_buffer, output_buffer_pos ) != output_buffer_pos)
|
|
{
|
|
perror( name );
|
|
exit(1);
|
|
}
|
|
close( fd );
|
|
free( output_buffer );
|
|
}
|
|
|
|
/* command-line option parsing */
|
|
/* partly based on the Glibc getopt() implementation */
|
|
|
|
struct long_option
|
|
{
|
|
const char *name;
|
|
int has_arg;
|
|
int val;
|
|
};
|
|
|
|
static inline struct strarray parse_options( int argc, char **argv, const char *short_opts,
|
|
const struct long_option *long_opts, int long_only,
|
|
void (*callback)( int, char* ) )
|
|
{
|
|
struct strarray ret = empty_strarray;
|
|
const char *flag;
|
|
char *start, *end;
|
|
int i;
|
|
|
|
#define OPT_ERR(fmt) { callback( '?', strmake( fmt, argv[1] )); continue; }
|
|
|
|
for (i = 1; i < argc; i++)
|
|
{
|
|
if (argv[i][0] != '-' || !argv[i][1]) /* not an option */
|
|
{
|
|
strarray_add( &ret, argv[i] );
|
|
continue;
|
|
}
|
|
if (!strcmp( argv[i], "--" ))
|
|
{
|
|
/* add remaining args */
|
|
while (++i < argc) strarray_add( &ret, argv[i] );
|
|
break;
|
|
}
|
|
start = argv[i] + 1 + (argv[i][1] == '-');
|
|
|
|
if (argv[i][1] == '-' || (long_only && (argv[i][2] || !strchr( short_opts, argv[i][1] ))))
|
|
{
|
|
/* handle long option */
|
|
const struct long_option *opt, *found = NULL;
|
|
int count = 0;
|
|
|
|
if (!(end = strchr( start, '=' ))) end = start + strlen(start);
|
|
for (opt = long_opts; opt && opt->name; opt++)
|
|
{
|
|
if (strncmp( opt->name, start, end - start )) continue;
|
|
if (!opt->name[end - start]) /* exact match */
|
|
{
|
|
found = opt;
|
|
count = 1;
|
|
break;
|
|
}
|
|
if (!found)
|
|
{
|
|
found = opt;
|
|
count++;
|
|
}
|
|
else if (long_only || found->has_arg != opt->has_arg || found->val != opt->val)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
|
|
if (count > 1) OPT_ERR( "option '%s' is ambiguous" );
|
|
|
|
if (found)
|
|
{
|
|
if (*end)
|
|
{
|
|
if (!found->has_arg) OPT_ERR( "argument not allowed in '%s'" );
|
|
end++; /* skip '=' */
|
|
}
|
|
else if (found->has_arg == 1)
|
|
{
|
|
if (i == argc - 1) OPT_ERR( "option '%s' requires an argument" );
|
|
end = argv[++i];
|
|
}
|
|
else end = NULL;
|
|
|
|
callback( found->val, end );
|
|
continue;
|
|
}
|
|
if (argv[i][1] == '-' || !long_only || !strchr( short_opts, argv[i][1] ))
|
|
OPT_ERR( "unrecognized option '%s'" );
|
|
}
|
|
|
|
/* handle short option */
|
|
for ( ; *start; start++)
|
|
{
|
|
if (!(flag = strchr( short_opts, *start ))) OPT_ERR( "invalid option '%s'" );
|
|
if (flag[1] == ':')
|
|
{
|
|
end = start + 1;
|
|
if (!*end) end = NULL;
|
|
if (flag[2] != ':' && !end)
|
|
{
|
|
if (i == argc - 1) OPT_ERR( "option '%s' requires an argument" );
|
|
end = argv[++i];
|
|
}
|
|
callback( *start, end );
|
|
break;
|
|
}
|
|
callback( *start, NULL );
|
|
}
|
|
}
|
|
return ret;
|
|
#undef OPT_ERR
|
|
}
|
|
|
|
#endif /* __WINE_TOOLS_H */
|