File 1157-erts-Cast-char-constant-to-silience-clang-... of Package erlang

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File 1157-erts-Cast-char-constant-to-silience-clang-warning.patch of Package erlang (Revision 6a6e740c0161086d7407fd293e77c355)

Currently displaying revision 6a6e740c0161086d7407fd293e77c355 , Show latest

From 1790e61525b640a1051ad8628e58e89294a264a7 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas@erlang.org>
Date: Tue, 3 Nov 2020 08:40:02 +0100
Subject: [PATCH] erts: Cast char constant to silience clang warning

---
 erts/emulator/beam/packet_parser.c      |  9 ---
 erts/emulator/beam/sys.h                | 80 +++++++++++++------------
 erts/emulator/drivers/common/inet_drv.c |  9 ---
 3 files changed, 43 insertions(+), 55 deletions(-)

diff --git a/erts/emulator/beam/packet_parser.c b/erts/emulator/beam/packet_parser.c
index 8f24725326..d3f02d55c8 100644
--- a/erts/emulator/beam/packet_parser.c
+++ b/erts/emulator/beam/packet_parser.c
@@ -39,15 +39,6 @@
 #   define DEBUGF(X) printf X
 #endif
 
-#define get_int24(s) ((((unsigned char*) (s))[0] << 16) | \
-                      (((unsigned char*) (s))[1] << 8)  | \
-                      (((unsigned char*) (s))[2]))
-
-#define get_little_int32(s) ((((unsigned char*) (s))[3] << 24) | \
-                             (((unsigned char*) (s))[2] << 16)  | \
-                             (((unsigned char*) (s))[1] << 8) | \
-                             (((unsigned char*) (s))[0]))
-
 #if !defined(__WIN32__) && !defined(HAVE_STRNCASECMP)
 #define STRNCASECMP my_strncasecmp
 
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 789c4b0ca9..1ffc7f5028 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -1176,57 +1176,63 @@ ERTS_GLB_INLINE size_t sys_strlen(const char *s)
 
 /* Standard set of integer macros  .. */
 
-#define get_int64(s) (((Uint64)(((unsigned char*) (s))[0]) << 56) | \
-                      (((Uint64)((unsigned char*) (s))[1]) << 48) | \
-                      (((Uint64)((unsigned char*) (s))[2]) << 40) | \
-                      (((Uint64)((unsigned char*) (s))[3]) << 32) | \
-                      (((Uint64)((unsigned char*) (s))[4]) << 24) | \
-                      (((Uint64)((unsigned char*) (s))[5]) << 16) | \
-                      (((Uint64)((unsigned char*) (s))[6]) << 8)  | \
-                      (((Uint64)((unsigned char*) (s))[7])))
-
-#define put_int64(i, s) do {((char*)(s))[0] = (char)((Sint64)(i) >> 56) & 0xff;\
-                            ((char*)(s))[1] = (char)((Sint64)(i) >> 48) & 0xff;\
-                            ((char*)(s))[2] = (char)((Sint64)(i) >> 40) & 0xff;\
-                            ((char*)(s))[3] = (char)((Sint64)(i) >> 32) & 0xff;\
-                            ((char*)(s))[4] = (char)((Sint64)(i) >> 24) & 0xff;\
-                            ((char*)(s))[5] = (char)((Sint64)(i) >> 16) & 0xff;\
-                            ((char*)(s))[6] = (char)((Sint64)(i) >> 8)  & 0xff;\
-                            ((char*)(s))[7] = (char)((Sint64)(i))       & 0xff;\
+#define get_int64(s) (((Uint64)(((byte*) (s))[0]) << 56) | \
+                      (((Uint64)((byte*) (s))[1]) << 48) | \
+                      (((Uint64)((byte*) (s))[2]) << 40) | \
+                      (((Uint64)((byte*) (s))[3]) << 32) | \
+                      (((Uint64)((byte*) (s))[4]) << 24) | \
+                      (((Uint64)((byte*) (s))[5]) << 16) | \
+                      (((Uint64)((byte*) (s))[6]) << 8)  | \
+                      (((Uint64)((byte*) (s))[7])))
+
+#define put_int64(i, s) do {((byte*)(s))[0] = (byte)((Sint64)(i) >> 56) & 0xff;\
+                            ((byte*)(s))[1] = (byte)((Sint64)(i) >> 48) & 0xff;\
+                            ((byte*)(s))[2] = (byte)((Sint64)(i) >> 40) & 0xff;\
+                            ((byte*)(s))[3] = (byte)((Sint64)(i) >> 32) & 0xff;\
+                            ((byte*)(s))[4] = (byte)((Sint64)(i) >> 24) & 0xff;\
+                            ((byte*)(s))[5] = (byte)((Sint64)(i) >> 16) & 0xff;\
+                            ((byte*)(s))[6] = (byte)((Sint64)(i) >> 8)  & 0xff;\
+                            ((byte*)(s))[7] = (byte)((Sint64)(i))       & 0xff;\
                            } while (0) 
 
-#define get_int32(s) ((((unsigned char*) (s))[0] << 24) | \
-                      (((unsigned char*) (s))[1] << 16) | \
-                      (((unsigned char*) (s))[2] << 8)  | \
-                      (((unsigned char*) (s))[3]))
+#define get_int32(s) ((((byte*) (s))[0] << 24) | \
+                      (((byte*) (s))[1] << 16) | \
+                      (((byte*) (s))[2] << 8)  | \
+                      (((byte*) (s))[3]))
+
+#define get_little_int32(s) ((((byte*) (s))[3] << 24) | \
+			     (((byte*) (s))[2] << 16)  | \
+			     (((byte*) (s))[1] << 8) | \
+			     (((byte*) (s))[0]))
 
-#define put_int32(i, s) do {((char*)(s))[0] = (char)((i) >> 24) & 0xff;   \
-                            ((char*)(s))[1] = (char)((i) >> 16) & 0xff;   \
-                            ((char*)(s))[2] = (char)((i) >> 8)  & 0xff;   \
-                            ((char*)(s))[3] = (char)(i)         & 0xff;} \
+#define put_int32(i, s) do {((byte*)(s))[0] = (byte)((i) >> 24) & 0xff;  \
+                            ((byte*)(s))[1] = (byte)((i) >> 16) & 0xff;  \
+                            ((byte*)(s))[2] = (byte)((i) >> 8)  & 0xff;  \
+                            ((byte*)(s))[3] = (byte)(i)         & 0xff;} \
                         while (0)
 
-#define get_int24(s) ((((unsigned char*) (s))[0] << 16) | \
-                      (((unsigned char*) (s))[1] << 8)  | \
-                      (((unsigned char*) (s))[2]))
+#define get_int24(s) ((((byte*) (s))[0] << 16) | \
+                      (((byte*) (s))[1] << 8)  | \
+                      (((byte*) (s))[2]))
+
 
-#define put_int24(i, s) do {((char*)(s))[0] = (char)((i) >> 16) & 0xff;  \
-                            ((char*)(s))[1] = (char)((i) >> 8)  & 0xff;  \
-                            ((char*)(s))[2] = (char)(i)         & 0xff;} \
+#define put_int24(i, s) do {((byte*)(s))[0] = (byte)((i) >> 16) & 0xff;  \
+                            ((byte*)(s))[1] = (byte)((i) >> 8)  & 0xff;  \
+                            ((byte*)(s))[2] = (byte)(i)         & 0xff;} \
                         while (0)
 
-#define get_int16(s) ((((unsigned char*)  (s))[0] << 8) | \
-                      (((unsigned char*)  (s))[1]))
+#define get_int16(s) ((((byte*)  (s))[0] << 8) | \
+                      (((byte*)  (s))[1]))
 
 
-#define put_int16(i, s) do {((char*)(s))[0] = (char)((i) >> 8) & 0xff;  \
-                            ((char*)(s))[1] = (char)(i)        & 0xff;} \
+#define put_int16(i, s) do {((byte*)(s))[0] = (byte)((i) >> 8) & 0xff;  \
+                            ((byte*)(s))[1] = (byte)(i)        & 0xff;} \
                         while (0)
 
-#define get_int8(s) ((((unsigned char*)  (s))[0] ))
+#define get_int8(s) ((((byte*)  (s))[0] ))
 
 
-#define put_int8(i, s) do {((unsigned char*)(s))[0] = (i) & 0xff;} while (0)
+#define put_int8(i, s) do {((byte*)(s))[0] = (i) & 0xff;} while (0)
 
 /*
  * Use DEBUGF as you would use printf, but use double parentheses:
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 87128b2d4d..c98d9cb756 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -611,15 +611,6 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n)
 
 #include "packet_parser.h"
 
-#define get_int24(s) ((((unsigned char*) (s))[0] << 16) | \
-                      (((unsigned char*) (s))[1] << 8)  | \
-                      (((unsigned char*) (s))[2]))
-
-#define get_little_int32(s) ((((unsigned char*) (s))[3] << 24) | \
-			     (((unsigned char*) (s))[2] << 16)  | \
-			     (((unsigned char*) (s))[1] << 8) | \
-			     (((unsigned char*) (s))[0]))
-
 #ifdef HAVE_SYS_UN_H
 
 /* strnlen doesn't exist everywhere */
-- 
2.26.2

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File 1157-erts-Cast-char-constant-to-silience-clang-warning.patch of Package erlang (Revision 6a6e740c0161086d7407fd293e77c355)

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