// utilities
//-----------------------------------------------------------------------------
+#if !defined(_WIN32)
+#define _POSIX_C_SOURCE 199309L // need nanosleep()
+#endif
+
#include "util.h"
+
+#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include "data.h"
+
#define MAX_BIN_BREAK_LENGTH (3072+384+1)
#ifndef _WIN32
#include <termios.h>
#include <sys/ioctl.h>
-
+#include <unistd.h>
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 );
}
#else
+
#include <conio.h>
int ukbhit(void) {
return kbhit();
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");
}
}
+// 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
}
data[len-1] = first;
}
+
+
+// Replace unprintable characters with a dot in char buffer
+void clean_ascii(unsigned char *buf, size_t len) {
+ for (size_t i = 0; i < len; i++) {
+ if (!isprint(buf[i]))
+ buf[i] = '.';
+ }
+}
+
+
+// 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() {
+#if defined(_WIN32)
+ #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
+}