mirror of
https://github.com/upx/upx
synced 2025-09-28 19:06:07 +08:00
142 lines
4.1 KiB
C++
142 lines
4.1 KiB
C++
/* util.h --
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2006 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2006 Laszlo Molnar
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All Rights Reserved.
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UPX and the UCL library are free software; you can redistribute them
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and/or modify them under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Markus F.X.J. Oberhumer Laszlo Molnar
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<mfx@users.sourceforge.net> <ml1050@users.sourceforge.net>
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*/
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#ifndef __UPX_UTIL_H
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#define __UPX_UTIL_H
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/*************************************************************************
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// misc. support functions
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**************************************************************************/
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char *fn_basename(const char *name);
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int fn_strcmp(const char *n1, const char *n2);
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char *fn_strlwr(char *n);
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bool fn_has_ext(const char *name, const char *ext, bool ignore_case=true);
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bool file_exists(const char *name);
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bool maketempname(char *ofilename, size_t size,
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const char *ifilename, const char *ext, bool force=true);
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bool makebakname(char *ofilename, size_t size,
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const char *ifilename, bool force=true);
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unsigned get_ratio(unsigned u_len, unsigned c_len);
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bool set_method_name(char *buf, size_t size, int method, int level);
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void center_string(char *buf, size_t size, const char *s);
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int find(const void *b, int blen, const void *what, int wlen);
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int find_be16(const void *b, int blen, unsigned what);
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int find_be32(const void *b, int blen, unsigned what);
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int find_be64(const void *b, int blen, acc_uint64l_t what);
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int find_le16(const void *b, int blen, unsigned what);
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int find_le32(const void *b, int blen, unsigned what);
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int find_le64(const void *b, int blen, acc_uint64l_t what);
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int mem_replace(void *b, int blen, const void *what, int wlen, const void *r);
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#if (ACC_CC_BORLANDC && (__BORLANDC__ < 0x0530))
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#elif (ACC_CC_DMC && (__DMC__ < 0x830))
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#elif (ACC_CC_MSC && (_MSC_VER < 1310))
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#else
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template <class T>
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inline int ptr_diff(const T *p1, const T *p2)
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{
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COMPILE_TIME_ASSERT(sizeof(T) == 1)
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assert(p1 != NULL); assert(p2 != NULL);
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ptrdiff_t d = (const char*) p1 - (const char*) p2;
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assert((int)d == d);
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return (int) d;
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}
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#endif
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inline int ptr_diff(const void *p1, const void *p2)
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{
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assert(p1 != NULL); assert(p2 != NULL);
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ptrdiff_t d = (const char*) p1 - (const char*) p2;
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assert((int)d == d);
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return (int) d;
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}
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/*************************************************************************
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// some unsigned char string support functions
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**************************************************************************/
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inline char *strcpy(unsigned char *s1,const unsigned char *s2)
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{
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return strcpy((char*) s1,(const char*) s2);
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}
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inline int strcasecmp(const unsigned char *s1,const unsigned char *s2)
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{
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return strcasecmp((const char*) s1,(const char*) s2);
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}
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inline size_t strlen(const unsigned char *s)
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{
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return strlen((const char*) s);
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}
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/*************************************************************************
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//
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**************************************************************************/
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#if 0
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bool upx_isdigit(int c);
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bool upx_islower(int c);
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bool upx_isspace(int c);
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int upx_tolower(int c);
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#undef isdigit
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#undef islower
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#undef isspace
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#undef tolower
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#define isdigit upx_isdigit
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#define islower upx_islower
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#define isspace upx_isspace
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#define tolower upx_tolower
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#endif
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class nocopy
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{
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nocopy(const nocopy &); // undefined
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nocopy& operator=(const nocopy &); // undefined
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public:
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inline nocopy() {}
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};
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#endif /* already included */
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/*
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vi:ts=4:et
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*/
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