build: cleanup src/jtag/drivers directory

[openocd.git] / src / jtag / drivers / remote_bitbang.c

diff --git a/src/jtag/drivers/remote_bitbang.c b/src/jtag/drivers/remote_bitbang.c
index d3ab1b11d3cd83282ea21b3362b4916b0e20b50c..eb98423cd7f12a3586a1e396751d28dff484998c 100644 (file)
--- a/src/jtag/drivers/remote_bitbang.c
+++ b/src/jtag/drivers/remote_bitbang.c
@@ -17,6 +17,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -27,26 +28,29 @@
 #include <jtag/interface.h>
 #include "bitbang.h"
 
-// from unix man page and sys/un.h:
+/* from unix man page and sys/un.h: */
 #define UNIX_PATH_MAX 108
 
-// arbitrary limit on host name length:
+/* arbitrary limit on host name length: */
 #define REMOTE_BITBANG_HOST_MAX 255
 
 #define REMOTE_BITBANG_RAISE_ERROR(expr ...) \
-               LOG_ERROR(expr); LOG_ERROR("Terminating openocd."); exit(-1);
+       do { \
+               LOG_ERROR(expr); \
+               LOG_ERROR("Terminating openocd."); \
+               exit(-1); \
+       while (0)
 
 static char remote_bitbang_host[REMOTE_BITBANG_HOST_MAX] = "openocd";
-static uint16_t remote_bitbang_port = 0;
+static uint16_t remote_bitbang_port;
 
-FILE* remote_bitbang_in;
-FILE* remote_bitbang_out;
+FILE *remote_bitbang_in;
+FILE *remote_bitbang_out;
 
 static void remote_bitbang_putc(int c)
 {
-       if (EOF == fputc(c, remote_bitbang_out)) {
+       if (EOF == fputc(c, remote_bitbang_out))
                REMOTE_BITBANG_RAISE_ERROR("remote_bitbang_putc: %s", strerror(errno));
-       }
 }
 
 static int remote_bitbang_quit(void)
@@ -60,9 +64,9 @@ static int remote_bitbang_quit(void)
                LOG_ERROR("fflush: %s", strerror(errno));
                return ERROR_FAIL;
        }
-               
-       // We only need to close one of the FILE*s, because they both use the same
-       // underlying file descriptor.
+
+       /* We only need to close one of the FILE*s, because they both use the same */
+       /* underlying file descriptor. */
        if (EOF == fclose(remote_bitbang_out)) {
                LOG_ERROR("fclose: %s", strerror(errno));
                return ERROR_FAIL;
@@ -72,7 +76,7 @@ static int remote_bitbang_quit(void)
        return ERROR_OK;
 }
 
-// Get the next read response.
+/* Get the next read response. */
 static int remote_bitbang_rread(void)
 {
        if (EOF == fflush(remote_bitbang_out)) {
@@ -82,12 +86,14 @@ static int remote_bitbang_rread(void)
 
        int c = fgetc(remote_bitbang_in);
        switch (c) {
-               case '0': return 0;
-               case '1': return 1;
+               case '0':
+                       return 0;
+               case '1':
+                       return 1;
                default:
                        remote_bitbang_quit();
                        REMOTE_BITBANG_RAISE_ERROR(
-                               "remote_bitbang: invalid read response: %c(%i)", c, c);
+                                       "remote_bitbang: invalid read response: %c(%i)", c, c);
        }
 }
 
@@ -136,14 +142,22 @@ static int remote_bitbang_init_tcp(void)
                return ERROR_FAIL;
        }
 
-       struct hostent* hent = gethostbyname(remote_bitbang_host);
+       struct hostent *hent = gethostbyname(remote_bitbang_host);
        if (hent == NULL) {
-               char* errorstr = "???";
+               char *errorstr = "???";
                switch (h_errno) {
-                       case HOST_NOT_FOUND: errorstr = "host not found"; break;
-                       case NO_ADDRESS: errorstr = "no address"; break;
-                       case NO_RECOVERY: errorstr = "no recovery"; break;
-                       case TRY_AGAIN: errorstr = "try again"; break;
+                       case HOST_NOT_FOUND:
+                               errorstr = "host not found";
+                               break;
+                       case NO_ADDRESS:
+                               errorstr = "no address";
+                               break;
+                       case NO_RECOVERY:
+                               errorstr = "no recovery";
+                               break;
+                       case TRY_AGAIN:
+                               errorstr = "try again";
+                               break;
                }
                LOG_ERROR("gethostbyname: %s", errorstr);
                return ERROR_FAIL;
@@ -152,8 +166,8 @@ static int remote_bitbang_init_tcp(void)
        struct sockaddr_in addr;
        addr.sin_family = AF_INET;
        addr.sin_port = htons(remote_bitbang_port);
-       addr.sin_addr = *(struct in_addr*)hent->h_addr;
-       if (connect(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr_in)) < 0) {
+       addr.sin_addr = *(struct in_addr *)hent->h_addr;
+       if (connect(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) < 0) {
                LOG_ERROR("connect: %s", strerror(errno));
                return ERROR_FAIL;
        }
@@ -188,7 +202,7 @@ static int remote_bitbang_init_unix(void)
        strncpy(addr.sun_path, remote_bitbang_host, UNIX_PATH_MAX);
        addr.sun_path[UNIX_PATH_MAX-1] = '\0';
 
-       if (connect(fd, (struct sockaddr*)&addr, sizeof(struct sockaddr_un)) < 0) {
+       if (connect(fd, (struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0) {
                LOG_ERROR("connect: %s", strerror(errno));
                return ERROR_FAIL;
        }
@@ -214,21 +228,20 @@ static int remote_bitbang_init(void)
        bitbang_interface = &remote_bitbang_bitbang;
 
        LOG_INFO("Initializing remote_bitbang driver");
-       if (remote_bitbang_port == 0) {
+       if (remote_bitbang_port == 0)
                return remote_bitbang_init_unix();
-       }
        return remote_bitbang_init_tcp();
 }
 
-static int remote_bitbang_khz(int khz, int* jtag_speed)
+static int remote_bitbang_khz(int khz, int *jtag_speed)
 {
        *jtag_speed = 0;
        return ERROR_OK;
 }
 
-static int remote_bitbang_speed_div(int speed, int* khz)
+static int remote_bitbang_speed_div(int speed, int *khz)
 {
-       // I don't think this really matters any.
+       /* I don't think this really matters any. */
        *khz = 1;
        return ERROR_OK;
 }