summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--plugins/pychrysalide/common/Makefile.am1
-rw-r--r--plugins/pychrysalide/common/itoa.c124
-rw-r--r--plugins/pychrysalide/common/itoa.h39
-rw-r--r--plugins/pychrysalide/common/module.c2
-rw-r--r--src/common/Makefile.am1
-rw-r--r--src/common/itoa.c135
-rw-r--r--src/common/itoa.h34
-rw-r--r--tests/common/itoa.py28
8 files changed, 364 insertions, 0 deletions
diff --git a/plugins/pychrysalide/common/Makefile.am b/plugins/pychrysalide/common/Makefile.am
index 7e1ba9e..b5249b9 100644
--- a/plugins/pychrysalide/common/Makefile.am
+++ b/plugins/pychrysalide/common/Makefile.am
@@ -5,6 +5,7 @@ libpychrysacommon_la_SOURCES = \
bits.h bits.c \
fnv1a.h fnv1a.c \
hex.h hex.c \
+ itoa.h itoa.c \
leb128.h leb128.c \
module.h module.c \
packed.h packed.c \
diff --git a/plugins/pychrysalide/common/itoa.c b/plugins/pychrysalide/common/itoa.c
new file mode 100644
index 0000000..107b047
--- /dev/null
+++ b/plugins/pychrysalide/common/itoa.c
@@ -0,0 +1,124 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * itoa.c - équivalent Python du fichier "common/itoa.c"
+ *
+ * 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "itoa.h"
+
+
+#include <common/itoa.h>
+
+
+#include "../access.h"
+#include "../helpers.h"
+
+
+
+/* Détermine l'empreinte Itoa d'une chaîne de caractères. */
+static PyObject *py_itoa(PyObject *, PyObject *);
+
+
+
+/******************************************************************************
+* *
+* Paramètres : self = NULL car méthode statique. *
+* args = arguments fournis lors de l'appel à la fonction. *
+* *
+* Description : Convertit une valeur en une forme textuelle. *
+* *
+* Retour : Chaîne de caractères mises en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_itoa(PyObject *self, PyObject *args)
+{
+ PyObject *result; /* Instance à retourner */
+ long long n; /* Valeur à transformer */
+ unsigned char base; /* Base de travail */
+ int ret; /* Bilan de lecture des args. */
+ char *strval; /* Valeur sous forme de chaîne */
+
+#define ITOA_METHOD PYTHON_METHOD_DEF \
+( \
+ itoa, "n, /, base=10", \
+ METH_VARARGS, py, \
+ "Construct a string representation of an integer *n* according" \
+ " to a given *base*.\n" \
+ "\n" \
+ "Both arguments are expected to be integer values; the result" \
+ " is a string or None in case of failure." \
+)
+
+ base = 10;
+
+ ret = PyArg_ParseTuple(args, "L|b", &n, &base);
+ if (!ret) return NULL;
+
+ strval = itoa(n, base);
+
+ if (strval != NULL)
+ {
+ result = PyUnicode_FromString(strval);
+ free(strval);
+ }
+ else
+ {
+ result = Py_None;
+ Py_INCREF(result);
+ }
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Définit une extension du module 'common' à compléter. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool populate_common_module_with_itoa(void)
+{
+ bool result; /* Bilan à retourner */
+ PyObject *module; /* Module à recompléter */
+
+ static PyMethodDef py_itoa_methods[] = {
+ ITOA_METHOD,
+ { NULL }
+ };
+
+ module = get_access_to_python_module("pychrysalide.common");
+
+ result = register_python_module_methods(module, py_itoa_methods);
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/common/itoa.h b/plugins/pychrysalide/common/itoa.h
new file mode 100644
index 0000000..a66e767
--- /dev/null
+++ b/plugins/pychrysalide/common/itoa.h
@@ -0,0 +1,39 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * itoa.h - prototypes pour l'équivalent Python du fichier "common/itoa.c"
+ *
+ * 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_COMMON_ITOA_H
+#define _PLUGINS_PYCHRYSALIDE_COMMON_ITOA_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Définit une extension du module 'common' à compléter. */
+bool populate_common_module_with_itoa(void);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_COMMON_ITOA_H */
diff --git a/plugins/pychrysalide/common/module.c b/plugins/pychrysalide/common/module.c
index 6ced1b7..a0042ee 100644
--- a/plugins/pychrysalide/common/module.c
+++ b/plugins/pychrysalide/common/module.c
@@ -28,6 +28,7 @@
#include "bits.h"
#include "fnv1a.h"
#include "hex.h"
+#include "itoa.h"
#include "leb128.h"
#include "packed.h"
#include "pathname.h"
@@ -99,6 +100,7 @@ bool populate_common_module(void)
if (result) result = populate_common_module_with_fnv1a();
if (result) result = populate_common_module_with_hex();
+ if (result) result = populate_common_module_with_itoa();
if (result) result = populate_common_module_with_leb128();
if (result) result = populate_common_module_with_pathname();
if (result) result = populate_common_module_with_pearson();
diff --git a/src/common/Makefile.am b/src/common/Makefile.am
index 2f6fd6d..4da8170 100644
--- a/src/common/Makefile.am
+++ b/src/common/Makefile.am
@@ -17,6 +17,7 @@ libcommon_la_SOURCES = \
hex.h hex.c \
ibuf.h ibuf.c \
io.h io.c \
+ itoa.h itoa.c \
fnv1a.h fnv1a.c \
leb128.h leb128.c \
macros.h \
diff --git a/src/common/itoa.c b/src/common/itoa.c
new file mode 100644
index 0000000..56fc638
--- /dev/null
+++ b/src/common/itoa.c
@@ -0,0 +1,135 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * itoa.c - conversion d'un nombre en chaîne de caractères
+ *
+ * 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/>.
+ */
+
+
+#include "itoa.h"
+
+
+#include <assert.h>
+#include <malloc.h>
+#include <math.h>
+
+
+
+/******************************************************************************
+* *
+* Paramètres : n = nombre à transformer. *
+* base = base à considérer pour la sortie. *
+* *
+* Description : Convertit une valeur en une forme textuelle. *
+* *
+* Retour : Chaîne de caractères mises en place. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+char *itoa(long long n, unsigned char base)
+{
+ char *result; /* Texte à retourner */
+ size_t size; /* Taille de chaîne en sortie */
+ char *iter; /* Tête d'écriture */
+#ifndef NDEBUG
+ size_t counter; /* Décompte des impressions */
+#endif
+ long long rem; /* Unité à transposer */
+
+ /**
+ * Préparation du stockage de la chaîne finale.
+ */
+
+ if (n == 0)
+ size = 1;
+
+ else if (n < 0)
+ {
+ size = (size_t)(log(-n) / log(base) + 1);
+ size++;
+ }
+ else
+ size = (size_t)(log(n) / log(base) + 1);
+
+ /* '\0' final */
+ size++;
+
+ result = malloc(size);
+ if (result == NULL) goto exit;
+
+ /**
+ * Remplissage avec la valeur textuelle correspondant à la valeur fournie.
+ */
+
+#ifndef NDEBUG
+ counter = 0;
+#endif
+
+ if (n < 0)
+ {
+ result[0] = '-';
+#ifndef NDEBUG
+ counter++;
+#endif
+
+ n *= -1;
+
+ }
+
+ iter = result + size - 1;
+
+ *iter-- = '\0';
+#ifndef NDEBUG
+ counter++;
+#endif
+
+ if (n == 0)
+ {
+ *iter-- = '0';
+#ifndef NDEBUG
+ counter++;
+#endif
+ }
+
+ else
+ while (n > 0)
+ {
+ rem = n % base;
+
+ if (rem >= 10)
+ *iter-- = 'a' + (rem - 10);
+ else
+ *iter-- = '0' + rem;
+
+#ifndef NDEBUG
+ counter++;
+#endif
+
+ n = n / base;
+
+ }
+
+ assert(counter < size);
+
+ exit:
+
+ return result;
+
+}
diff --git a/src/common/itoa.h b/src/common/itoa.h
new file mode 100644
index 0000000..4608a50
--- /dev/null
+++ b/src/common/itoa.h
@@ -0,0 +1,34 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * itoa.h - prototypes pour la conversion d'un nombre en chaîne de caractères
+ *
+ * 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_ITOA_H
+#define _COMMON_ITOA_H
+
+
+
+/* Convertit une valeur en une forme textuelle. */
+char *itoa(long long, unsigned char);
+
+
+
+#endif /* _COMMON_ITOA_H */
diff --git a/tests/common/itoa.py b/tests/common/itoa.py
new file mode 100644
index 0000000..a004cbd
--- /dev/null
+++ b/tests/common/itoa.py
@@ -0,0 +1,28 @@
+
+from chrysacase import ChrysalideTestCase
+from pychrysalide.common import itoa
+
+
+class TestItoa(ChrysalideTestCase):
+ """TestCase for calls to the itoa() implementation."""
+
+ def testItoaCallss(self):
+ """Convert some integer values into strings."""
+
+ val = itoa(123, 10)
+ self.assertEqual(val, '123')
+
+ val = itoa(-123, 10)
+ self.assertEqual(val, '-123')
+
+ val = itoa(0, 10)
+ self.assertEqual(val, '0')
+
+ val = itoa(0, 2)
+ self.assertEqual(val, '0')
+
+ val = itoa(127, 2)
+ self.assertEqual(val, '1111111')
+
+ val = itoa(101, 2)
+ self.assertEqual(val, '1100101')
generated by cgit v0.11.2-87-g4458 at 2024-12-25 05:25:50 (GMT)