Some refactoring and reformatting (#1431)

include/link/main.hpp

@@ -13,7 +13,7 @@
 
 // Variables related to CLI options
 extern bool isDmgMode;
-extern char *linkerScriptName;
+extern char const *linkerScriptName;
 extern char const *mapFileName;
 extern bool noSymInMap;
 extern char const *symFileName;

src/asm/main.cpp

@@ -21,14 +21,13 @@
 #include "asm/symbol.hpp"
 #include "asm/warning.hpp"
 
-FILE *dependFile = nullptr;
-bool generatedMissingIncludes = false;
+FILE *dependFile = nullptr;            // -M
+bool generatedMissingIncludes = false; // -MG
+bool generatePhonyDeps = false;        // -MP
+std::string targetFileName;            // -MQ, -MT
 bool failedOnMissingInclude = false;
-bool generatePhonyDeps = false;
-std::string targetFileName;
-
-bool verbose;
-bool warnings; // True to enable warnings, false to disable them.
+bool verbose = false; // -v
+bool warnings = true; // -w
 
 // Escapes Make-special chars from a string
 static std::string make_escape(std::string &str) {
@@ -124,8 +123,6 @@ int main(int argc, char *argv[]) {
 	opt_G("0123");
 	opt_P(0);
 	opt_Q(16);
-	verbose = false;
-	warnings = true;
 	sym_SetExportAll(false);
 	uint32_t maxDepth = DEFAULT_MAX_DEPTH;
 	char const *dependFileName = nullptr;
@@ -336,8 +333,7 @@ int main(int argc, char *argv[]) {
 	if (failedOnMissingInclude)
 		return 0;
 
-	// If no path specified, don't write file
-	if (!objectName.empty())
 	out_WriteObject();
+
 	return 0;
 }

src/asm/output.cpp

@@ -304,6 +304,9 @@ static void writeFileStackNode(FileStackNode const &node, FILE *file) {
 
 // Write an object file
 void out_WriteObject() {
+	if (objectName.empty())
+		return;
+
 	FILE *file;
 	if (objectName != "-") {
 		file = fopen(objectName.c_str(), "wb");

src/link/main.cpp

@@ -25,7 +25,7 @@
 #include "link/symbol.hpp"
 
 bool isDmgMode;               // -d
-char *linkerScriptName;      // -l
+char const *linkerScriptName; // -l
 char const *mapFileName;      // -m
 bool noSymInMap;              // -M
 char const *symFileName;      // -n
@@ -349,7 +349,7 @@ int main(int argc, char *argv[]) {
 			break;
 		case 'l':
 			if (linkerScriptName)
-				warnx("Overriding linker script %s", musl_optarg);
+				warnx("Overriding linker script %s", linkerScriptName);
 			linkerScriptName = musl_optarg;
 			break;
 		case 'M':
@@ -357,22 +357,22 @@ int main(int argc, char *argv[]) {
 			break;
 		case 'm':
 			if (mapFileName)
-				warnx("Overriding map file %s", musl_optarg);
+				warnx("Overriding map file %s", mapFileName);
 			mapFileName = musl_optarg;
 			break;
 		case 'n':
 			if (symFileName)
-				warnx("Overriding sym file %s", musl_optarg);
+				warnx("Overriding sym file %s", symFileName);
 			symFileName = musl_optarg;
 			break;
 		case 'O':
 			if (overlayFileName)
-				warnx("Overriding overlay file %s", musl_optarg);
+				warnx("Overriding overlay file %s", overlayFileName);
 			overlayFileName = musl_optarg;
 			break;
 		case 'o':
 			if (outputFileName)
-				warnx("Overriding output file %s", musl_optarg);
+				warnx("Overriding output file %s", outputFileName);
 			outputFileName = musl_optarg;
 			break;
 		case 'p': {