Change in libosmo-abis[master]: move flib_buf_bits() from DAHDI to shared flip.c

[laforge]

laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-abis/+/19070 )


Change subject: move flib_buf_bits() from DAHDI to shared flip.c
......................................................................

move flib_buf_bits() from DAHDI to shared flip.c

Change-Id: I8c6dc3eea921a73ebe65540aad0f0c0584d47e5a
---
M src/Makefile.am
A src/flip.c
A src/flip.h
M src/input/dahdi.c
M src/input/e1d.c
5 files changed, 36 insertions(+), 27 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/libosmo-abis refs/changes/70/19070/1

diff --git a/src/Makefile.am b/src/Makefile.am
index 4254428..dae7e6e 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -16,6 +16,7 @@
 libosmoabis_la_SOURCES = init.c \
 			 e1_input.c \
 			 e1_input_vty.c \
+			 flip.c \
 			 ipa_proxy.c \
 			 subchan_demux.c \
 			 trau_frame.c \
diff --git a/src/flip.c b/src/flip.c
new file mode 100644
index 0000000..502503d
--- /dev/null
+++ b/src/flip.c
@@ -0,0 +1,28 @@
+#include "flip.h"
+
+static uint8_t flip_table[256];
+
+void init_flip_bits(void)
+{
+        int i,k;
+
+        for (i = 0 ; i < 256 ; i++) {
+                uint8_t sample = 0 ;
+                for (k = 0; k<8; k++) {
+                        if ( i & 1 << k ) sample |= 0x80 >>  k;
+                }
+                flip_table[i] = sample;
+        }
+}
+
+uint8_t *flip_buf_bits (uint8_t *buf , int len)
+{
+        int i;
+        uint8_t * start = buf;
+
+        for (i = 0 ; i < len; i++) {
+                buf[i] = flip_table[(uint8_t)buf[i]];
+        }
+
+        return start;
+}
diff --git a/src/flip.h b/src/flip.h
new file mode 100644
index 0000000..29b0178
--- /dev/null
+++ b/src/flip.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <stdint.h>
+
+void init_flip_bits(void);
+uint8_t *flip_buf_bits(uint8_t *buf, int len);
diff --git a/src/input/dahdi.c b/src/input/dahdi.c
index 075b7ff..80a4042 100644
--- a/src/input/dahdi.c
+++ b/src/input/dahdi.c
@@ -25,6 +25,7 @@
  */
 
 #include "config.h"
+#include "flip.h"
 
 #include <stdio.h>
 #include <unistd.h>
@@ -311,33 +312,6 @@
 
 static int invertbits = 1;
 
-static uint8_t flip_table[256];
-
-static void init_flip_bits(void)
-{
-        int i,k;
-
-        for (i = 0 ; i < 256 ; i++) {
-                uint8_t sample = 0 ;
-                for (k = 0; k<8; k++) {
-                        if ( i & 1 << k ) sample |= 0x80 >>  k;
-                }
-                flip_table[i] = sample;
-        }
-}
-
-static uint8_t * flip_buf_bits ( uint8_t * buf , int len)
-{
-        int i;
-        uint8_t * start = buf;
-
-        for (i = 0 ; i < len; i++) {
-                buf[i] = flip_table[(uint8_t)buf[i]];
-        }
-
-        return start;
-}
-
 #define D_BCHAN_TX_GRAN 160
 /* write to a B channel TS */
 static int handle_tsX_write(struct osmo_fd *bfd)
diff --git a/src/input/e1d.c b/src/input/e1d.c
index 627fc52..f23f631 100644
--- a/src/input/e1d.c
+++ b/src/input/e1d.c
@@ -23,6 +23,7 @@
  */
 
 #include "config.h"
+#include "flip.h"
 
 #ifdef HAVE_E1D
 

-- 
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Gerrit-Project: libosmo-abis
Gerrit-Branch: master
Gerrit-Change-Id: I8c6dc3eea921a73ebe65540aad0f0c0584d47e5a
Gerrit-Change-Number: 19070
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <laforge at osmocom.org>
Gerrit-MessageType: newchange
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