mirror of
https://github.com/upx/upx
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89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/* snprintf.h --
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This file is part of the UPX executable compressor.
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Copyright (C) 1996-2023 Markus Franz Xaver Johannes Oberhumer
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Copyright (C) 1996-2023 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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<markus@oberhumer.com> <ezerotven+github@gmail.com>
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*/
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#pragma once
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/*************************************************************************
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// UPX version of string functions, with assertions and sane limits
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**************************************************************************/
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// info: snprintf() returns length and NOT size, but max_size is indeed size (incl NUL)
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int upx_safe_vsnprintf(char *str, upx_rsize_t max_size, const char *format, va_list ap);
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int upx_safe_snprintf(char *str, upx_rsize_t max_size, const char *format, ...)
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attribute_format(3, 4);
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// malloc's *ptr
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int upx_safe_vasprintf(char **ptr, const char *format, va_list ap);
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int upx_safe_asprintf(char **ptr, const char *format, ...) attribute_format(2, 3);
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// returns a malloc'd pointer
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char *upx_safe_xprintf(const char *format, ...) attribute_format(1, 2);
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upx_rsize_t upx_safe_strlen(const char *);
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// globally redirect some functions
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#undef strlen
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#define strlen upx_safe_strlen
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#undef snprintf
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#undef sprintf
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#undef vsnprintf
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#define snprintf upx_safe_snprintf
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#define sprintf ERROR_sprintf_IS_DANGEROUS_USE_snprintf
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#define vsnprintf upx_safe_vsnprintf
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/*************************************************************************
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// some uchar string support functions to avoid casts
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**************************************************************************/
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forceinline uchar *strcpy(uchar *s1, const uchar *s2) {
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return (uchar *) strcpy((char *) s1, (const char *) s2);
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}
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forceinline int strcmp(const uchar *s1, const char *s2) { return strcmp((const char *) s1, s2); }
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forceinline int strcmp(const char *s1, const uchar *s2) { return strcmp(s1, (const char *) s2); }
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forceinline int strcmp(const uchar *s1, const uchar *s2) {
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return strcmp((const char *) s1, (const char *) s2);
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}
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forceinline int strcasecmp(const uchar *s1, const char *s2) {
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return strcasecmp((const char *) s1, s2);
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}
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forceinline int strcasecmp(const char *s1, const uchar *s2) {
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return strcasecmp(s1, (const char *) s2);
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}
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forceinline int strcasecmp(const uchar *s1, const uchar *s2) {
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return strcasecmp((const char *) s1, (const char *) s2);
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}
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forceinline upx_rsize_t upx_safe_strlen(const uchar *s) {
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return upx_safe_strlen((const char *) s);
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}
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/* vim:set ts=4 sw=4 et: */
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