adjust hardnested compiler fix to accurate version

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 81b2d844f4376bdda269f6e3850a5c9925915216..13067ec1d57b4773859a6affccb5e0969d05e213 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -27,6 +27,7 @@
 #ifndef _WIN32
 #include <termios.h>
 #include <sys/ioctl.h> 
+#include <unistd.h>
 
 int ukbhit(void)
 {
@@ -34,19 +35,18 @@ int ukbhit(void)
   int error;
   static struct termios Otty, Ntty;
 
-
-  if ( tcgetattr( 0, &Otty) == -1 ) return -1;
+  if ( tcgetattr(STDIN_FILENO, &Otty) == -1 ) return -1;
   Ntty = Otty;
 
-  Ntty.c_iflag          = 0;       /* input mode                */
-  Ntty.c_oflag          = 0;       /* output mode               */
-  Ntty.c_lflag         &= ~ICANON; /* raw mode */
-  Ntty.c_cc[VMIN]       = CMIN;    /* minimum time to wait      */
-  Ntty.c_cc[VTIME]      = CTIME;   /* minimum characters to wait for */
-
-  if (0 == (error = tcsetattr(0, TCSANOW, &Ntty))) {
-    error += ioctl(0, FIONREAD, &cnt);
-    error += tcsetattr(0, TCSANOW, &Otty);
+  Ntty.c_iflag          = 0x0000;   // input mode
+  Ntty.c_oflag          = 0x0000;   // output mode
+  Ntty.c_lflag         &= ~ICANON;  // control mode = raw
+  Ntty.c_cc[VMIN]       = 1;        // return if at least 1 character is in the queue
+  Ntty.c_cc[VTIME]      = 0;               // no timeout. Wait forever
+  
+  if (0 == (error = tcsetattr(STDIN_FILENO, TCSANOW, &Ntty))) {   // set new attributes
+    error += ioctl(STDIN_FILENO, FIONREAD, &cnt);                 // get number of characters availabe
+    error += tcsetattr(STDIN_FILENO, TCSANOW, &Otty);             // reset attributes
   }
 
   return ( error == 0 ? cnt : -1 );
@@ -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");
@@ -257,6 +257,15 @@ void num_to_bytebitsLSBF(uint64_t n, size_t len, uint8_t *dest) {
        }
 }
 
+// Swap bit order on a uint32_t value.  Can be limited by nrbits just use say 8bits reversal
+// And clears the rest of the bits.
+uint32_t SwapBits(uint32_t value, int nrbits) {
+       uint32_t newvalue = 0;
+       for(int i = 0; i < nrbits; i++) {
+               newvalue ^= ((value >> i) & 1) << (nrbits - 1 - i);
+       }
+       return newvalue;
+}
 
 // aa,bb,cc,dd,ee,ff,gg,hh, ii,jj,kk,ll,mm,nn,oo,pp
 // to
@@ -625,16 +634,41 @@ void msleep(uint32_t n) {
 // a milliseconds timer for performance measurement
 uint64_t msclock() {
 #if defined(_WIN32)
-#include <sys/types.h>
-       struct _timeb t;
-       if (_ftime_s(&t)) {
-               return 0;
-       } else {
-               return 1000 * t.time + t.millitm;
-       }
+    #include <sys/types.h>
+    
+    // WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
+    // It has no _ftime_s and needs explicit inclusion of timeb.h
+    #include <sys/timeb.h>
+    struct _timeb t;
+    _ftime(&t);
+    return 1000 * t.time + t.millitm;
+    
+    // NORMAL CODE (use _ftime_s)
+       //struct _timeb t;
+    //if (_ftime_s(&t)) {
+       //      return 0;
+       //} else {
+       //      return 1000 * t.time + t.millitm;
+       //}
 #else
        struct timespec t;
        clock_gettime(CLOCK_MONOTONIC, &t);
        return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
 #endif
 }
+
+// determine number of logical CPU cores (use for multithreaded functions)
+extern int num_CPUs(void)
+{
+#if defined(_WIN32)
+       #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
+       return 1;
+#endif
+}