[Forensics-changes] [yara] 270/407: Implement get_double().

[Hilko Bengen]

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bengen pushed a commit to annotated tag v3.3.0
in repository yara.

commit 6e6b906fd78e4067c07f52465b2b453c7c191f66
Author: Wesley Shields <wxs at atarininja.org>
Date:   Mon Dec 29 15:20:43 2014 -0500

    Implement get_double().
---
 libyara/include/yara/modules.h |  4 ++++
 libyara/object.c               | 27 +++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/libyara/include/yara/modules.h b/libyara/include/yara/modules.h
index e9c4c49..03fcfa1 100644
--- a/libyara/include/yara/modules.h
+++ b/libyara/include/yara/modules.h
@@ -257,6 +257,10 @@ limitations under the License.
     yr_object_get_integer(object, __VA_ARGS__)
 
 
+#define get_double(object, ...) \
+    yr_object_get_double(object, __VA_ARGS__)
+
+
 #define get_string(object, ...) \
     yr_object_get_string(object, __VA_ARGS__)
 
diff --git a/libyara/object.c b/libyara/object.c
index cb69dd5..e08688e 100644
--- a/libyara/object.c
+++ b/libyara/object.c
@@ -842,6 +842,33 @@ int64_t yr_object_get_integer(
 }
 
 
+double yr_object_get_double(
+    YR_OBJECT* object,
+    const char* field,
+    ...)
+{
+  YR_OBJECT* double_obj;
+
+  va_list args;
+  va_start(args, field);
+
+  if (field != NULL)
+    double_obj = _yr_object_lookup(object, 0, field, args);
+  else
+    double_obj = object;
+
+  va_end(args);
+
+  if (double_obj == NULL)
+    return UNDEFINED;
+
+  assertf(double_obj->type == OBJECT_TYPE_DOUBLE,
+          "type of \"%s\" is not double\n", field);
+
+  return ((YR_OBJECT_DOUBLE*) double_obj)->value;
+}
+
+
 SIZED_STRING* yr_object_get_string(
     YR_OBJECT* object,
     const char* field,

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