diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/Makefile.am | 1 | ||||
| -rw-r--r-- | src/common/alloc.c | 60 | ||||
| -rw-r--r-- | src/common/alloc.h | 37 |
3 files changed, 98 insertions, 0 deletions
diff --git a/src/common/Makefile.am b/src/common/Makefile.am index 7a13aa8..3fabc73 100644 --- a/src/common/Makefile.am +++ b/src/common/Makefile.am @@ -2,6 +2,7 @@ noinst_LTLIBRARIES = libcommon.la libcommon_la_SOURCES = \ + alloc.h alloc.c \ array.h array.c \ asm.h asm.c \ bconst.h \ diff --git a/src/common/alloc.c b/src/common/alloc.c new file mode 100644 index 0000000..70f2f01 --- /dev/null +++ b/src/common/alloc.c @@ -0,0 +1,60 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * alloc.c - gestion particulière des allocations + * + * Copyright (C) 2018 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/>. + */ + + +#include "alloc.h" + + +#include <malloc.h> + + + +/****************************************************************************** +* * +* Paramètres : ptr = pointeur à traiter. * +* allocated = taille actuellement allouée. [OUT] * +* needed = taille finale nécessaire. * +* * +* Description : Assure qu'une zone de mémoire allouée a la taille requise. * +* * +* Retour : Pointeur à utiliser avec assurance. * +* * +* Remarques : - * +* * +******************************************************************************/ + +void *ensure_allocation_size(void *ptr, size_t *allocated, size_t needed) +{ + void *result; /* Pointeur à renvoyer */ + + if (needed < *allocated) + result = ptr; + + else + { + *allocated = needed; + result = realloc(ptr, needed); + } + + return result; + +} diff --git a/src/common/alloc.h b/src/common/alloc.h new file mode 100644 index 0000000..5dd564e --- /dev/null +++ b/src/common/alloc.h @@ -0,0 +1,37 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * alloc.h - prototypes pour une gestion particulière des allocations + * + * Copyright (C) 2018 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_ALLOC_H +#define _COMMON_ALLOC_H + + +#include <sys/types.h> + + + +/* Assure qu'une zone de mémoire allouée a la taille requise. */ +void *ensure_allocation_size(void *, size_t *, size_t); + + + +#endif /* _COMMON_ALLOC_H */ |