Introduced symbols dedicated to strings.

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 */