change type of result variables to ssize_t

[libserialport.git] / linux_termios.c

diff --git a/linux_termios.c b/linux_termios.c
index 328c4d39b4024bc06fc218a52a69e7ac2cbd079c..3630e5758ae355ff823237a5ca39acda2cee8257 100644 (file)
--- a/linux_termios.c
+++ b/linux_termios.c
@@ -33,41 +33,42 @@
  * TCSETX/TCGETX ioctls used with struct termiox, others do not.
  */
 
-#if defined(__linux__) && !defined(__ANDROID__)
-
+#include <config.h>
+#include <stdlib.h>
 #include <linux/termios.h>
 #include "linux_termios.h"
 
-int get_termios_get_ioctl(void)
+SP_PRIV unsigned long get_termios_get_ioctl(void)
 {
-#ifdef HAVE_TERMIOS2
+#ifdef HAVE_STRUCT_TERMIOS2
        return TCGETS2;
 #else
        return TCGETS;
 #endif
 }
 
-int get_termios_set_ioctl(void)
+SP_PRIV unsigned long get_termios_set_ioctl(void)
 {
-#ifdef HAVE_TERMIOS2
+#ifdef HAVE_STRUCT_TERMIOS2
        return TCSETS2;
 #else
        return TCSETS;
 #endif
 }
 
-int get_termios_size(void)
+SP_PRIV size_t get_termios_size(void)
 {
-#ifdef HAVE_TERMIOS2
+#ifdef HAVE_STRUCT_TERMIOS2
        return sizeof(struct termios2);
 #else
        return sizeof(struct termios);
 #endif
 }
 
-int get_termios_speed(void *data)
+#if (defined(HAVE_TERMIOS_SPEED) || defined(HAVE_TERMIOS2_SPEED)) && HAVE_DECL_BOTHER
+SP_PRIV int get_termios_speed(void *data)
 {
-#ifdef HAVE_TERMIOS2
+#ifdef HAVE_STRUCT_TERMIOS2
        struct termios2 *term = (struct termios2 *) data;
 #else
        struct termios *term = (struct termios *) data;
@@ -78,9 +79,9 @@ int get_termios_speed(void *data)
                return term->c_ispeed;
 }
 
-void set_termios_speed(void *data, int speed)
+SP_PRIV void set_termios_speed(void *data, int speed)
 {
-#ifdef HAVE_TERMIOS2
+#ifdef HAVE_STRUCT_TERMIOS2
        struct termios2 *term = (struct termios2 *) data;
 #else
        struct termios *term = (struct termios *) data;
@@ -89,45 +90,40 @@ void set_termios_speed(void *data, int speed)
        term->c_cflag |= BOTHER;
        term->c_ispeed = term->c_ospeed = speed;
 }
+#endif
 
-#ifdef HAVE_TERMIOX
-int get_termiox_size(void)
+#ifdef HAVE_STRUCT_TERMIOX
+SP_PRIV size_t get_termiox_size(void)
 {
        return sizeof(struct termiox);
 }
 
-int get_termiox_flow(void *data)
+SP_PRIV int get_termiox_flow(void *data, int *rts, int *cts, int *dtr, int *dsr)
 {
        struct termiox *termx = (struct termiox *) data;
        int flags = 0;
 
-       if (termx->x_cflag & RTSXOFF)
-               flags |= RTS_FLOW;
-       if (termx->x_cflag & CTSXON)
-               flags |= CTS_FLOW;
-       if (termx->x_cflag & DTRXOFF)
-               flags |= DTR_FLOW;
-       if (termx->x_cflag & DSRXON)
-               flags |= DSR_FLOW;
+       *rts = (termx->x_cflag & RTSXOFF);
+       *cts = (termx->x_cflag & CTSXON);
+       *dtr = (termx->x_cflag & DTRXOFF);
+       *dsr = (termx->x_cflag & DSRXON);
 
        return flags;
 }
 
-void set_termiox_flow(void *data, int flags)
+SP_PRIV void set_termiox_flow(void *data, int rts, int cts, int dtr, int dsr)
 {
        struct termiox *termx = (struct termiox *) data;
 
        termx->x_cflag &= ~(RTSXOFF | CTSXON | DTRXOFF | DSRXON);
 
-       if (flags & RTS_FLOW)
+       if (rts)
                termx->x_cflag |= RTSXOFF;
-       if (flags & CTS_FLOW)
+       if (cts)
                termx->x_cflag |= CTSXON;
-       if (flags & DTR_FLOW)
+       if (dtr)
                termx->x_cflag |= DTRXOFF;
-       if (flags & DSR_FLOW)
+       if (dsr)
                termx->x_cflag |= DSRXON;
 }
 #endif
-
-#endif