libusb: require pkg-config support
[openocd.git] / src / helper / replacements.c
index ef20e7710660c0f186e64a5032f155e16644aa67..b083096f8213015e61a6c001504bfff1023886a9 100644 (file)
@@ -21,7 +21,7 @@
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program; if not, write to the                         *
  *   Free Software Foundation, Inc.,                                       *
- *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
  ***************************************************************************/
 /* DANGER!!!! These must be defined *BEFORE* replacements.h and the malloc() macro!!!! */
 
@@ -36,22 +36,19 @@ void *clear_malloc(size_t size)
 {
        void *t = malloc(size);
        if (t != NULL)
-       {
                memset(t, 0x00, size);
-       }
        return t;
 }
 
 void *fill_malloc(size_t size)
 {
        void *t = malloc(size);
-       if (t != NULL)
-       {
-               /* We want to initialize memory to some known bad state.  */
-               /* 0 and 0xff yields 0 and -1 as integers, which often          */
-               /* have meaningful values. 0x5555... is not often a valid       */
-               /* integer and is quite easily spotted in the debugger          */
-               /* also it is almost certainly an invalid address                                       */
+       if (t != NULL) {
+               /* We want to initialize memory to some known bad state.
+                * 0 and 0xff yields 0 and -1 as integers, which often
+                * have meaningful values. 0x5555... is not often a valid
+                * integer and is quite easily spotted in the debugger
+                * also it is almost certainly an invalid address */
                memset(t, 0x55, size);
        }
        return t;
@@ -88,8 +85,7 @@ int gettimeofday(struct timeval *tv, struct timezone *tz)
        __int64 t;
        static int tzflag;
 
-       if (tv)
-       {
+       if (tv) {
                GetSystemTimeAsFileTime(&ft);
                li.LowPart  = ft.dwLowDateTime;
                li.HighPart = ft.dwHighDateTime;
@@ -100,10 +96,8 @@ int gettimeofday(struct timeval *tv, struct timezone *tz)
                tv->tv_usec = (long)(t % 1000000);
        }
 
-       if (tz)
-       {
-               if (!tzflag)
-               {
+       if (tz) {
+               if (!tzflag) {
                        _tzset();
                        tzflag++;
                }
@@ -113,29 +107,29 @@ int gettimeofday(struct timeval *tv, struct timezone *tz)
 
        return 0;
 }
-#endif /* _WIN32 */
+#endif /* _WIN32 */
 
-#endif /* HAVE_GETTIMEOFDAY */
+#endif /* HAVE_GETTIMEOFDAY */
 
 #ifndef HAVE_STRNLEN
 size_t strnlen(const char *s, size_t maxlen)
 {
-       const char *end= (const char *)memchr(s, '\0', maxlen);
+       const char *end = (const char *)memchr(s, '\0', maxlen);
        return end ? (size_t) (end - s) : maxlen;
 }
 #endif
 
 #ifndef HAVE_STRNDUP
-charstrndup(const char *s, size_t n)
+char *strndup(const char *s, size_t n)
 {
-       size_t len = strnlen (s, n);
-       char *new = (char *) malloc (len + 1);
+       size_t len = strnlen(s, n);
+       char *new = (char *) malloc(len + 1);
 
        if (new == NULL)
                return NULL;
 
        new[len] = '\0';
-       return (char *) memcpy (new, s, len);
+       return (char *) memcpy(new, s, len);
 }
 #endif
 
@@ -152,12 +146,12 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
        struct timeval tvslice;
        int retcode;
 
-#define SAFE_FD_ISSET(fd, set) (set != NULL && FD_ISSET(fd, set))
+#define SAFE_FD_ISSET(fd, set)  (set != NULL && FD_ISSET(fd, set))
 
        /* calculate how long we need to wait in milliseconds */
-       if (tv == NULL) {
+       if (tv == NULL)
                ms_total = INFINITE;
-       else {
+       else {
                ms_total = tv->tv_sec * 1000;
                ms_total += tv->tv_usec / 1000;
        }
@@ -173,18 +167,14 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
                        handles[n_handles] = (HANDLE)handle;
                        if (handles[n_handles] == INVALID_HANDLE_VALUE) {
                                /* socket */
-                               if (SAFE_FD_ISSET(i, rfds)) {
+                               if (SAFE_FD_ISSET(i, rfds))
                                        FD_SET(i, &sock_read);
-                               }
-                               if (SAFE_FD_ISSET(i, wfds)) {
+                               if (SAFE_FD_ISSET(i, wfds))
                                        FD_SET(i, &sock_write);
-                               }
-                               if (SAFE_FD_ISSET(i, efds)) {
+                               if (SAFE_FD_ISSET(i, efds))
                                        FD_SET(i, &sock_except);
-                               }
-                               if (i > sock_max_fd) {
+                               if (i > sock_max_fd)
                                        sock_max_fd = i;
-                               }
                        } else {
                                handle_slot_to_fd[n_handles] = i;
                                n_handles++;
@@ -216,15 +206,20 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
                        aexcept = sock_except;
 
                        tvslice.tv_sec = 0;
-                       tvslice.tv_usec = 100000;
+                       tvslice.tv_usec = 1000;
 
                        retcode = select(sock_max_fd + 1, &aread, &awrite, &aexcept, &tvslice);
                }
+
                if (n_handles > 0) {
                        /* check handles */
                        DWORD wret;
 
-                       wret = MsgWaitForMultipleObjects(n_handles, handles, FALSE, retcode > 0 ? 0 : 100, QS_ALLEVENTS);
+                       wret = MsgWaitForMultipleObjects(n_handles,
+                                       handles,
+                                       FALSE,
+                                       retcode > 0 ? 0 : 1,
+                                       QS_ALLEVENTS);
 
                        if (wret == WAIT_TIMEOUT) {
                                /* set retcode to 0; this is the default.
@@ -233,30 +228,26 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
                                 * does nothing */
                                ;
                        } else if (wret == WAIT_FAILED) {
-                               if (retcode == 0) {
+                               if (retcode == 0)
                                        retcode = -1;
-                               }
                        } else {
-                               if (retcode < 0) {
+                               if (retcode < 0)
                                        retcode = 0;
-                               }
                                for (i = 0; i < n_handles; i++) {
                                        if (WAIT_OBJECT_0 == WaitForSingleObject(handles[i], 0)) {
                                                if (SAFE_FD_ISSET(handle_slot_to_fd[i], rfds)) {
                                                        DWORD dwBytes;
-                                                       intptr_t handle = (intptr_t) _get_osfhandle(handle_slot_to_fd[i]);
+                                                       intptr_t handle = (intptr_t) _get_osfhandle(
+                                                                       handle_slot_to_fd[i]);
 
-                                                       if (PeekNamedPipe((HANDLE)handle, NULL, 0, NULL, &dwBytes, NULL))
-                                                       {
+                                                       if (PeekNamedPipe((HANDLE)handle, NULL, 0,
+                                                                   NULL, &dwBytes, NULL)) {
                                                                /* check to see if gdb pipe has data available */
-                                                               if (dwBytes)
-                                                               {
+                                                               if (dwBytes) {
                                                                        FD_SET(handle_slot_to_fd[i], &aread);
                                                                        retcode++;
                                                                }
-                                                       }
-                                                       else
-                                                       {
+                                                       } else {
                                                                FD_SET(handle_slot_to_fd[i], &aread);
                                                                retcode++;
                                                        }
@@ -275,16 +266,55 @@ int win_select(int max_fd, fd_set *rfds, fd_set *wfds, fd_set *efds, struct time
                }
        } while (retcode == 0 && (ms_total == INFINITE || GetTickCount() < limit));
 
-       if (rfds) {
+       if (rfds)
                *rfds = aread;
-       }
-       if (wfds) {
+       if (wfds)
                *wfds = awrite;
-       }
-       if (efds) {
+       if (efds)
                *efds = aexcept;
-       }
 
        return retcode;
 }
 #endif
+
+#if defined HAVE_LIBUSB1 && !defined HAVE_LIBUSB_ERROR_NAME
+#include <libusb.h>
+/* Verbatim from git://git.libusb.org/libusb.git tag 1.0.9
+ * The libusb_error enum is compatible down to v0.9.1
+ */
+const char *libusb_error_name(int error_code)
+{
+       enum libusb_error error = error_code;
+       switch (error) {
+       case LIBUSB_SUCCESS:
+               return "LIBUSB_SUCCESS";
+       case LIBUSB_ERROR_IO:
+               return "LIBUSB_ERROR_IO";
+       case LIBUSB_ERROR_INVALID_PARAM:
+               return "LIBUSB_ERROR_INVALID_PARAM";
+       case LIBUSB_ERROR_ACCESS:
+               return "LIBUSB_ERROR_ACCESS";
+       case LIBUSB_ERROR_NO_DEVICE:
+               return "LIBUSB_ERROR_NO_DEVICE";
+       case LIBUSB_ERROR_NOT_FOUND:
+               return "LIBUSB_ERROR_NOT_FOUND";
+       case LIBUSB_ERROR_BUSY:
+               return "LIBUSB_ERROR_BUSY";
+       case LIBUSB_ERROR_TIMEOUT:
+               return "LIBUSB_ERROR_TIMEOUT";
+       case LIBUSB_ERROR_OVERFLOW:
+               return "LIBUSB_ERROR_OVERFLOW";
+       case LIBUSB_ERROR_PIPE:
+               return "LIBUSB_ERROR_PIPE";
+       case LIBUSB_ERROR_INTERRUPTED:
+               return "LIBUSB_ERROR_INTERRUPTED";
+       case LIBUSB_ERROR_NO_MEM:
+               return "LIBUSB_ERROR_NO_MEM";
+       case LIBUSB_ERROR_NOT_SUPPORTED:
+               return "LIBUSB_ERROR_NOT_SUPPORTED";
+       case LIBUSB_ERROR_OTHER:
+               return "LIBUSB_ERROR_OTHER";
+       }
+       return "**UNKNOWN**";
+}
+#endif

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