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authorThomas White <taw@physics.org>2013-03-04 15:51:14 +0100
committerThomas White <taw@physics.org>2013-03-04 15:51:14 +0100
commit2a767bf372052f913ae872068d6b555d899953a3 (patch)
treea94ace91f7b2ace71b70a9f750a62f0a87184283 /libcrystfel
parent351616d140b1f6953a2e5ad8da0a29fe4e3cfdfa (diff)
Add crystal_copy()
Diffstat (limited to 'libcrystfel')
-rw-r--r--libcrystfel/src/crystal.c24
-rw-r--r--libcrystfel/src/crystal.h1
2 files changed, 25 insertions, 0 deletions
diff --git a/libcrystfel/src/crystal.c b/libcrystfel/src/crystal.c
index 664d933e..02255110 100644
--- a/libcrystfel/src/crystal.c
+++ b/libcrystfel/src/crystal.c
@@ -97,6 +97,30 @@ Crystal *crystal_new()
/**
+ * crystal_copy:
+ * @cryst: A %Crystal to copy.
+ *
+ * Creates a new %Crystal which is a copy of @cryst. The copy is a "shallow
+ * copy", which means that copies are NOT made of the data structures which
+ * @cryst contains references to, for example its %RefList.
+ *
+ * Returns: a (shallow) copy of @cryst, or NULL on failure.
+ *
+ */
+Crystal *crystal_copy(Crystal *cryst)
+{
+ Crystal *c;
+
+ c = crystal_new();
+ if ( c == NULL ) return NULL;
+
+ memcpy(c, cryst, sizeof(Crystal));
+
+ return c;
+}
+
+
+/**
* crystal_free:
* @cryst: A %Crystal to free.
*
diff --git a/libcrystfel/src/crystal.h b/libcrystfel/src/crystal.h
index 3d0ad9d1..8c32a87d 100644
--- a/libcrystfel/src/crystal.h
+++ b/libcrystfel/src/crystal.h
@@ -48,6 +48,7 @@ typedef struct _crystal Crystal;
extern Crystal *crystal_new(void);
+extern Crystal *crystal_copy(Crystal *cryst);
extern void crystal_free(Crystal *cryst);
extern UnitCell *crystal_get_cell(Crystal *cryst);