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 */