Some compile fixes for Cygwin + improved Makefile to generate version info (on Windows).

Makefile

@@ -21,27 +21,25 @@ CFLAGS = -I$(SUBDIR_LIB)/include -Wall -Wno-trigraphs -march=$(MARCH) -mtune=$(M
 
 ifeq ($(DEBUG),1)
   CFLAGS += -Og -g
+  CONFIG := _g
   undefine LDFLGS
 else
   CFLAGS += -O3 -DNDEBUG
+  undefine CONFIG
   LDFLGS += -static -s
 endif
 
-ifeq ($(OS),Windows_NT)
-  LDFLGS += -municode -mconsole
-endif
+UNAME := $(shell uname)
 
 undefine SUFFIX
-ifeq ($(OS),Windows_NT)
+ifneq ($(filter MINGW% CYGWIN%,$(UNAME)),)
   SUFFIX := .exe
 else
   undefine SUFFIX
 endif
 
-ifeq ($(DEBUG),1)
-  CONFIG := _g
-else
-  undefine CONFIG
+ifneq ($(filter MINGW%,$(UNAME)),)
+  LDFLGS += -municode -mconsole
 endif
 
 # ---------------------------------------------------------------------------
@@ -60,6 +58,11 @@ OBJECTS_APP := $(patsubst $(SUBDIR_APP)/src/%.c,$(SUBDIR_APP)/obj/%$(CONFIG).o,$
 SOURCES_LIB := $(wildcard $(SUBDIR_LIB)/src/*.c)
 OBJECTS_LIB := $(patsubst $(SUBDIR_LIB)/src/%.c,$(SUBDIR_LIB)/obj/%$(CONFIG).o,$(SOURCES_LIB))
 
+ifneq ($(filter MINGW% CYGWIN%,$(UNAME)),)
+  RCFILES_APP := $(wildcard $(SUBDIR_APP)/res/*.rc)
+  OBJECTS_APP += $(patsubst $(SUBDIR_APP)/res/%.rc,$(SUBDIR_APP)/obj/%.rsrc.o,$(RCFILES_APP))
+endif
+
 # ---------------------------------------------------------------------------
 # Targets
 # ---------------------------------------------------------------------------
@@ -80,6 +83,10 @@ $(SUBDIR_APP)/obj/%$(CONFIG).o: $(SUBDIR_APP)/src/%.c
 	@mkdir -p $(@D)
 	$(CC) $(CFLAGS) -c $< -o $@
 
+$(SUBDIR_APP)/obj/%.rsrc.o: $(SUBDIR_APP)/res/%.rc
+	@mkdir -p $(@D)
+	windres -o $@ $<
+
 $(SUBDIR_LIB)/obj/%$(CONFIG).o: $(SUBDIR_LIB)/src/%.c
 	@mkdir -p $(@D)
 	$(CC) $(CFLAGS) -c $< -o $@

frontend/SlunkCrypt.vcxproj

@@ -36,10 +36,10 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <ResourceCompile Include="res\SlunkCrypt.rc" />
+    <Manifest Include="res\compatibility.manifest" />
   </ItemGroup>
   <ItemGroup>
-    <Manifest Include="res\Compatibility.manifest" />
+    <ResourceCompile Include="res\version.rc" />
   </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>16.0</VCProjectVersion>

frontend/SlunkCrypt.vcxproj.filters

@@ -43,13 +43,13 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <ResourceCompile Include="res\SlunkCrypt.rc">
-      <Filter>Resource Files</Filter>
-    </ResourceCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <Manifest Include="res\Compatibility.manifest">
+    <Manifest Include="res\compatibility.manifest">
       <Filter>Resource Files</Filter>
     </Manifest>
   </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="res\version.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
 </Project>

frontend/src/main.c

@@ -72,7 +72,7 @@ static void print_manpage(const CHR *const program)
 
 static char* read_passphrase(const CHR* const file_name)
 {
-	const size_t max_len = SLUNKCRYPT_PWDLEN_MAX + 3U;
+	const size_t max_len = SLUNKCRYPT_PWDLEN_MAX + 2U;
 	char *buffer = (char*) malloc(max_len * sizeof(char));
 	if (!buffer)
 	{

frontend/src/platform.h

@@ -16,6 +16,9 @@
 #ifdef _WIN32
 #define OS_TYPE "Win"
 #else
+#ifdef __CYGWIN__
+#define OS_TYPE "Cygwin"
+#else
 #ifdef __linux__
 #define OS_TYPE "Linux"
 #else
@@ -30,6 +33,7 @@
 #endif
 #endif
 #endif
+#endif
 
 #if defined(__x86_64__) || defined(_M_X64)
 #define CPU_ARCH "x64"