Small improvement to debug logging code.

frontend/src/utils.c

@@ -40,6 +40,7 @@
 #  endif
 #else
 #  include <unistd.h>
+#  include <syslog.h>
 #  define STAT_T struct stat
 #  define STAT(X,Y) stat((X),(Y))
 #  define FSTAT(X,Y) fstat((X),(Y))
@@ -73,19 +74,17 @@ static void clear_cmdline_args(char *const acmdln, wchar_t *const wcmdln)
 		if (len > 5U) wcscpy(wcmdln, L"slunk");
 	}
 }
-static void set_translation_mode(FILE* const stream, const int utf8_mode)
-{
-	_setmode(_fileno(stream), utf8_mode ? _O_U8TEXT : _O_BINARY);
-}
 #endif
 
 void init_terminal(void)
 {
 #ifdef _WIN32
 	SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
-	set_translation_mode(stderr, 1);
-	set_translation_mode(stdin,  0);
+	_setmode(_fileno(stderr), _O_U8TEXT);
+	_setmode(_fileno(stdin),  _O_BINARY);
 	clear_cmdline_args(_acmdln, _wcmdln);
+#else
+	openlog("slunkcrypt", LOG_PID | LOG_CONS, LOG_USER);
 #endif
 }
 

libslunkcrypt/src/compiler.h

@@ -6,6 +6,13 @@
 #ifndef INC_SLUNKCRYPT_COMPILER_H
 #define INC_SLUNKCRYPT_COMPILER_H
 
+#ifdef _WIN32
+#  define WIN32_LEAN_AND_MEAN 1
+#  define _CRT_SECURE_NO_WARNINGS 1
+#else
+#  define _GNU_SOURCE 1
+#endif
+
 /* Intel(R) oneAPI DPC++/C++ Compiler */
 #if defined(__INTEL_LLVM_COMPILER) && (!defined(__GNUC__))
 #  define __GNUC__ 4

libslunkcrypt/src/debug.c

@@ -10,31 +10,37 @@
 #include <stdio.h>
 #include <stdarg.h>
 
-/* syslog */
-#if defined(_WIN32)
+/* logging sub-system */
+#ifdef _WIN32
 #  define WIN32_LEAN_AND_MEAN 1
 #  include <Windows.h>
-#elif defined(__unix__) || defined(__HAIKU__)
+#else
 #  include <syslog.h>
 #endif
 
-void slunkcrypt_debug_write(const char* const text)
+void slunkcrypt_debug_write(const char* const message)
 {
-#if defined(_WIN32)
-	OutputDebugStringA(text);
-#elif defined(__unix__) || defined(__HAIKU__)
-	syslog(LOG_DEBUG, "%s", text);
+#ifdef _WIN32
+	OutputDebugStringA(message);
+#else
+	syslog(LOG_ALERT, "%s", message);
 #endif
 }
 
-void slunkcrypt_debug_print(const char* const text, ...)
+void slunkcrypt_debug_print(const char* const message, ...)
 {
+#ifdef _WIN32
 	char buffer[100U];
-	va_list ap;
-	va_start(ap, text);
-	if (vsnprintf(buffer, 100U, text, ap) > 0)
+#endif
+	va_list args;
+	va_start(args, message);
+#ifdef _WIN32
+	if (vsnprintf(buffer, 100U, message, args) > 0)
 	{
-		slunkcrypt_debug_write(buffer);
+		OutputDebugStringA(buffer);
 	}
-	va_end(ap);
+#else
+	vsyslog(LOG_ALERT, message, args);
+#endif
+	va_end(args);
 }

libslunkcrypt/src/debug.h

@@ -6,7 +6,14 @@
 #ifndef INC_SLUNKCRYPT_DEBUG_H
 #define INC_SLUNKCRYPT_DEBUG_H
 
-void slunkcrypt_debug_write(const char *const text);
-void slunkcrypt_debug_print(const char *const text, ...);
+void slunkcrypt_debug_write(const char *const message);
+void slunkcrypt_debug_print(const char *const message, ...);
+
+#define DBG_PRINTF(BUFF, FORMAT, ...) do \
+{ \
+	const int _strlen = sprintf((BUFF), (FORMAT), __VA_ARGS__); \
+	if (_strlen > 0) { BUFF += _strlen; } \
+} \
+while (0)
 
 #endif

libslunkcrypt/src/junk.c

@@ -3,16 +3,9 @@
 /* This work has been released under the CC0 1.0 Universal license!           */
 /******************************************************************************/
 
-#ifdef _WIN32
-#  define WIN32_LEAN_AND_MEAN 1
-#  define _CRT_SECURE_NO_WARNINGS 1
-#else
-#  define _GNU_SOURCE 1
-#endif
-
 /* Internal */
-#include "slunkcrypt.h"
 #include "compiler.h"
+#include "slunkcrypt.h"
 
 /* CRT */
 #include <string.h>

libslunkcrypt/src/slunkcrypt.c

@@ -3,16 +3,10 @@
 /* This work has been released under the CC0 1.0 Universal license!           */
 /******************************************************************************/
 
-#ifdef _WIN32
-#  define _CRT_SECURE_NO_WARNINGS 1
-#else
-#  define _GNU_SOURCE 1
-#endif
-
 /* Internal */
+#include "compiler.h"
 #include "slunkcrypt.h"
 #include "debug.h"
-#include "compiler.h"
 #include "keygen.h"
 #include "initialize.h"
 #include "thread.h"
@@ -219,20 +213,20 @@ static int initialize_state(crypt_data_t *const data, const size_t thread_count,
 	/* dump the final configuration */
 	if (debug)
 	{
+		const rand_state_t *const rand_state = &data->thread_data[0].random;
 		slunkcrypt_debug_print("cntr = %08X", data->thread_data[0].counter);
-		slunkcrypt_debug_print("drbg = %08X %08X %08X %08X %08X %08X",
-			data->thread_data[0].random.d, data->thread_data[0].random.v, data->thread_data[0].random.w,
-			data->thread_data[0].random.x, data->thread_data[0].random.y, data->thread_data[0].random.z);
+		slunkcrypt_debug_print("drbg = %08X %08X %08X %08X %08X %08X", rand_state->d, rand_state->v, rand_state->w, rand_state->x, rand_state->y, rand_state->z);
 		for (r = 0U; r < 256U; ++r)
 		{
-			char text[775U];
-			size_t off = sprintf(text, "[%02X] =", (unsigned)r);
+			char message[775U] = { '\0' };
+			char *ptr = message;
+			DBG_PRINTF(ptr, "[%02X] =", (unsigned)r);
 			for (i = 0U; i < 256U; ++i)
 			{
-				off += sprintf(text + off, " %02X", data->wheel[r][i]);
+				DBG_PRINTF(ptr, " %02X", data->wheel[r][i]);
 			}
 			CHECK_ABORTED();
-			slunkcrypt_debug_write(text);
+			slunkcrypt_debug_write(message);
 		}
 	}
 

libslunkcrypt/src/thread.c

@@ -5,15 +5,9 @@
 
 #ifndef SLUNKBUILD_NOTHREADS
 
-#ifdef _WIN32
-#  define _CRT_SECURE_NO_WARNINGS 1
-#else
-#  define _GNU_SOURCE 1
-#endif
-
 /* Internal */
-#include "thread.h"
 #include "compiler.h"
+#include "thread.h"
 
 /* CRT */
 #include <stdlib.h>