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-rw-r--r--rmidevice/util.cpp70
1 files changed, 70 insertions, 0 deletions
diff --git a/rmidevice/util.cpp b/rmidevice/util.cpp
new file mode 100644
index 0000000..64b1c1c
--- /dev/null
+++ b/rmidevice/util.cpp
@@ -0,0 +1,70 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <time.h>
+
+long long diff_time(struct timespec *start, struct timespec *end)
+{
+ long long diff;
+ diff = (end->tv_sec - start->tv_sec) * 1000 * 1000;
+ diff += (end->tv_nsec - start->tv_nsec) / 1000;
+ return diff;
+}
+
+int Sleep(int ms)
+{
+ struct timespec ts;
+ struct timespec rem;
+
+ ts.tv_sec = ms / 1000;
+ ts.tv_nsec = (ms % 1000) * 1000 * 1000;
+ for (;;) {
+ if (nanosleep(&ts, &rem) == 0) {
+ break;
+ } else {
+ if (errno == EINTR) {
+ ts = rem;
+ continue;
+ }
+ return -1;
+ }
+ }
+ return 0;
+}
+
+void print_buffer(const unsigned char *buf, unsigned int len)
+{
+ for (unsigned int i = 0; i < len; ++i) {
+ fprintf(stdout, "0x%02X ", buf[i]);
+ if (i % 8 == 7)
+ fprintf(stdout, "\n");
+ }
+ fprintf(stdout, "\n");
+}
+
+
+const char * StripPath(const char * path, ssize_t size)
+{
+ int i;
+ const char * str;
+
+ for (i = size - 1, str = &path[size - 1]; i > 0; --i, --str)
+ if (path[i - 1] == '/')
+ break;
+
+ return str;
+}
+
+unsigned long extract_long(const unsigned char *data)
+{
+ return (unsigned long)data [0]
+ + (unsigned long)data [1] * 0x100
+ + (unsigned long)data [2] * 0x10000
+ + (unsigned long)data [3] * 0x1000000;
+}
+
+unsigned short extract_short(const unsigned char *data)
+{
+ return (unsigned long)data [0]
+ + (unsigned long)data [1] * 0x100;
+} \ No newline at end of file