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[Qemu-trivial] [PATCH 02/88] cocci: add more g_new() transformations


From: Philippe Mathieu-Daudé
Subject: [Qemu-trivial] [PATCH 02/88] cocci: add more g_new() transformations
Date: Fri, 6 Oct 2017 20:48:57 -0300

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 scripts/coccinelle/g_new.cocci | 73 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/scripts/coccinelle/g_new.cocci b/scripts/coccinelle/g_new.cocci
index 1e57685a6b..c767325a21 100644
--- a/scripts/coccinelle/g_new.cocci
+++ b/scripts/coccinelle/g_new.cocci
@@ -80,6 +80,49 @@ expression p, n;
 -g_try_realloc(p, sizeof(T) * (n))
 +g_try_renew(T, p, n)
 
+@@
+type T;
+expression n;
+@@
+(
+-g_malloc_n(n, sizeof(T))
++g_new(T, n)
+|
+-g_malloc0_n(n, sizeof(T))
++g_new0(T, n)
+|
+-g_try_malloc_n(n, sizeof(T))
++g_try_new(T, n)
+|
+-g_try_malloc0_n(n, sizeof(T))
++g_try_new0(T, n)
+)
+
+@@
+type T;
+identifier m;
+@@
+T *m;
+...
+(
+-m = g_malloc(sizeof(*m));
++m = g_new(T, 1);
+|
+-m = g_malloc0(sizeof(*m));
++m = g_new0(T, 1);
+|
+-m = g_try_malloc(sizeof(*m));
++m = g_try_new(T, 1);
+|
+-m = g_try_malloc0(sizeof(*m));
++m = g_try_new0(T, 1);
+)
+
+////////////////////////////////////////
+//
+// last transformations: cleanups
+//
+
 // drop superfluous cast
 @@
 type T;
@@ -99,3 +142,33 @@ expression p, n;
 @@
 -(T *)g_renew(T, p, n)
 +g_renew(T, p, n)
+@@
+type T;
+expression n;
+@@
+(
+-(T *)g_try_new(T, n)
++g_try_new(T, n)
+|
+-(T *)g_try_new0(T, n)
++g_try_new0(T, n)
+)
+
+// drop superfluous parenthesis
+@@
+type T;
+expression c;
+@@
+(
+-g_new(T, (c))
++g_new(T, c)
+|
+-g_try_new(T, (c))
++g_try_new(T, c)
+|
+-g_new0(T, (c))
++g_new0(T, c)
+|
+-g_try_new0(T, (c))
++g_try_new0(T, c)
+)
-- 
2.14.2




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