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Diffstat (limited to 'src/common/szstr.h')
-rw-r--r-- | src/common/szstr.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/common/szstr.h b/src/common/szstr.h new file mode 100644 index 0000000..406a9f1 --- /dev/null +++ b/src/common/szstr.h @@ -0,0 +1,112 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * szstr.h - prototypes pour une manipulation de chaînes issues de Flex/Bison + * + * Copyright (C) 2023 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * Chrysalide is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * Chrysalide is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Chrysalide. If not, see <http://www.gnu.org/licenses/>. + */ + + +#ifndef _COMMON_SZSTR_H +#define _COMMON_SZSTR_H + + +#include <string.h> +#include <sys/types.h> + + +#include "sort.h" +#include "../arch/archbase.h" + + + +/* Structure associant une chaîne et sa taille */ +typedef struct _sized_string_t +{ + union { + + const char *static_data; /* Données non modifiées */ + char *data; /* Chaîne de caractères */ + + const bin_t *static_bin_data; /* Données brutes non modifiées*/ + bin_t *bin_data; /* Données brutes */ + + }; + + size_t len; /* Taille correspondante */ + +} sized_string_t; + + +typedef sized_string_t sized_binary_t; + + +#define init_szstr(s) \ + do \ + { \ + (s)->data = NULL; \ + (s)->len = 0; \ + } \ + while (0) + +#define szstrdup(dst, src) \ + do \ + { \ + (dst)->data = malloc((src)->len); \ + memcpy((dst)->data, (src)->data, (src)->len); \ + (dst)->len = (src)->len; \ + } \ + while (0) + +#define copy_szstr(d, s) (d) = (s); + +#define exit_szstr(s) \ + do \ + { \ + if ((s)->data != NULL) \ + { \ + free((s)->data); \ + init_szstr(s); \ + } \ + } \ + while (0) + +#define szstrcmp(s1, s2) \ + ({ \ + int __ret; \ + size_t __n; \ + __n = (s1)->len < (s2)->len ? (s1)->len : (s2)->len; \ + __ret = strncmp((s1)->data, (s2)->data, __n); \ + if (__ret == 0) \ + __ret = sort_unsigned_long_long((s1)->len, (s2)->len); \ + __ret; \ + }) + +#define szmemcmp(s1, s2) \ + ({ \ + int __ret; \ + size_t __n; \ + __n = (s1)->len < (s2)->len ? (s1)->len : (s2)->len; \ + __ret = memcmp((s1)->data, (s2)->data, __n); \ + if (__ret == 0) \ + __ret = sort_unsigned_long_long((s1)->len, (s2)->len); \ + __ret; \ + }) + + + +#endif /* _COMMON_SZSTR_H */ |