Merge pull request #362 from merlokk/master

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index d07c915cefbf181a1406efc64359e2b629471572..38dd3a12f450e245cdc35d9f7d23dcd17b6685d0 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -8,10 +8,6 @@
 // utilities
 //-----------------------------------------------------------------------------
 
-#if !defined(_WIN32)
-#define _POSIX_C_SOURCE        199309L                 // need nanosleep()
-#endif
-
 #include "util.h"
 
 #include <stdint.h>
@@ -22,6 +18,10 @@
 #include <time.h>
 #include "data.h"
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 #define MAX_BIN_BREAK_LENGTH   (3072+384+1)
 
 #ifndef _WIN32
@@ -169,12 +169,12 @@ char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t brea
 
        size_t in_index = 0;
        // loop through the out_index to make sure we don't go too far
-       for (size_t out_index=0; out_index < max_len-1; out_index++) {
+       for (size_t out_index=0; out_index < max_len; out_index++) {
                // set character - (should be binary but verify it isn't more than 1 digit)
                if (data[in_index]<10)
                        sprintf(tmp++, "%u", (unsigned int) data[in_index]);
                // check if a line break is needed and we have room to print it in our array
-               if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 != max_len) ) {
+               if ( (breaks > 0) && !((in_index+1) % breaks) && (out_index+1 < max_len) ) {
                        // increment and print line break
                        out_index++;
                        sprintf(tmp++, "%s","\n");
@@ -193,13 +193,14 @@ char *sprint_hex_ascii(const uint8_t *data, const size_t len) {
        static char buf[1024];
        char *tmp = buf;
        memset(buf, 0x00, 1024);
-       size_t max_len = (len > 1010) ? 1010 : len;
-
+       size_t max_len = (len > 255) ? 255 : len;
+       // max 255 bytes * 3 + 2 characters = 767 in buffer
        sprintf(tmp, "%s| ", sprint_hex(data, max_len) );
        
        size_t i = 0;
        size_t pos = (max_len * 3)+2;
-       while(i < max_len){
+       // add another 255 characters ascii = 1020 characters of buffer used
+       while(i < max_len) {
                char c = data[i];
                if ( (c < 32) || (c == 127))
                        c = '.';
@@ -614,36 +615,21 @@ void clean_ascii(unsigned char *buf, size_t len) {
 }
 
 
-// Timer functions
-#if !defined (_WIN32)
-#include <errno.h>
 
-static void nsleep(uint64_t n) {
-  struct timespec timeout;
-  timeout.tv_sec = n/1000000000;
-  timeout.tv_nsec = n%1000000000;
-  while (nanosleep(&timeout, &timeout) && errno == EINTR);
-}
-
-void msleep(uint32_t n) {
-       nsleep(1000000 * n);
-}
-
-#endif // _WIN32
 
-// a milliseconds timer for performance measurement
-uint64_t msclock() {
+// determine number of logical CPU cores (use for multithreaded functions)
+extern int num_CPUs(void)
+{
 #if defined(_WIN32)
-#include <sys/types.h>
-       struct _timeb t;
-       if (_ftime_s(&t)) {
-               return 0;
-       } else {
-               return 1000 * t.time + t.millitm;
-       }
+       #include <sysinfoapi.h>
+       SYSTEM_INFO sysinfo;
+       GetSystemInfo(&sysinfo);
+       return sysinfo.dwNumberOfProcessors;
+#elif defined(__linux__) || defined(__APPLE__)
+       #include <unistd.h>
+       return sysconf(_SC_NPROCESSORS_ONLN);
 #else
-       struct timespec t;
-       clock_gettime(CLOCK_MONOTONIC, &t);
-       return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
+       return 1;
 #endif
 }
+