split Verbosity off from DFlags

this clearly documents the permitted states.

src/common.h

@@ -83,6 +83,13 @@ typedef unsigned long ulong;
 
 /* main.c */
 
+enum {
+	VERYQUIET,
+	QUIET,
+	TERSE,
+	VERBOSE,
+};
+
 #define DEBUG_CRASH     0x01
 #define DEBUG_MAILDIR   0x02
 #define DEBUG_NET       0x04
@@ -91,10 +98,7 @@ typedef unsigned long ulong;
 #define DEBUG_MAIN      0x20
 #define DEBUG_DRV       0x40
 #define DEBUG_DRV_ALL   0x80
-#define QUIET           0x100
-#define VERYQUIET       0x200
 #define PROGRESS        0x400
-#define VERBOSE         0x800
 #define KEEPJOURNAL     0x1000
 #define ZERODELAY       0x2000
 #define FORCEASYNC      0x4000
@@ -103,6 +107,7 @@ typedef unsigned long ulong;
 #define DEBUG_ALL (DEBUG_ANY | DEBUG_CRASH)
 
 // Global options
+extern int Verbosity;
 extern int DFlags;
 extern int JLimit;
 extern int UseFSync;

src/driver.h

@@ -124,7 +124,7 @@ typedef struct {
 */
 #define DRV_CRLF        1
 /*
-   This flag says that the driver will act upon (DFlags & VERBOSE).
+   This flag says that the driver will act upon (Verbosity >= VERBOSE).
 */
 #define DRV_VERBOSE     2
 /*

src/main.c

@@ -429,32 +429,30 @@ main( int argc, char **argv )
 				} else if (!strcmp( opt, "version" )) {
 					version();
 				} else if (!strcmp( opt, "quiet" )) {
-					if (DFlags & QUIET)
-						DFlags |= VERYQUIET;
-					else
-						DFlags |= QUIET;
+					if (Verbosity > VERYQUIET)
+						Verbosity--;
 				} else if (!strcmp( opt, "verbose" )) {
-					DFlags |= VERBOSE;
+					Verbosity = VERBOSE;
 				} else if (starts_with( opt, -1, "debug", 5 )) {
 					opt += 5;
 					if (!*opt)
-						op = VERBOSE | DEBUG_ALL;
+						op = DEBUG_ALL;
 					else if (!strcmp( opt, "-crash" ))
 						op = DEBUG_CRASH;
 					else if (!strcmp( opt, "-driver" ))
-						op = VERBOSE | DEBUG_DRV;
+						op = DEBUG_DRV;
 					else if (!strcmp( opt, "-driver-all" ))
-						op = VERBOSE | DEBUG_DRV | DEBUG_DRV_ALL;
+						op = DEBUG_DRV | DEBUG_DRV_ALL;
 					else if (!strcmp( opt, "-maildir" ))
-						op = VERBOSE | DEBUG_MAILDIR;
+						op = DEBUG_MAILDIR;
 					else if (!strcmp( opt, "-main" ))
-						op = VERBOSE | DEBUG_MAIN;
+						op = DEBUG_MAIN;
 					else if (!strcmp( opt, "-net" ))
-						op = VERBOSE | DEBUG_NET;
+						op = DEBUG_NET;
 					else if (!strcmp( opt, "-net-all" ))
-						op = VERBOSE | DEBUG_NET | DEBUG_NET_ALL;
+						op = DEBUG_NET | DEBUG_NET_ALL;
 					else if (!strcmp( opt, "-sync" ))
-						op = VERBOSE | DEBUG_SYNC;
+						op = DEBUG_SYNC;
 					else
 						goto badopt;
 					DFlags |= op;
@@ -623,13 +621,11 @@ main( int argc, char **argv )
 			op = XOP_PUSH;
 			goto cac;
 		case 'q':
-			if (DFlags & QUIET)
-				DFlags |= VERYQUIET;
-			else
-				DFlags |= QUIET;
+			if (Verbosity > VERYQUIET)
+				Verbosity--;
 			break;
 		case 'V':
-			DFlags |= VERBOSE;
+			Verbosity = VERBOSE;
 			break;
 		case 'D':
 			for (op = 0; *ochar; ochar++) {
@@ -638,25 +634,25 @@ main( int argc, char **argv )
 					op |= DEBUG_CRASH;
 					break;
 				case 'd':
-					op |= DEBUG_DRV | VERBOSE;
+					op |= DEBUG_DRV;
 					break;
 				case 'D':
-					op |= DEBUG_DRV | DEBUG_DRV_ALL | VERBOSE;
+					op |= DEBUG_DRV | DEBUG_DRV_ALL;
 					break;
 				case 'm':
-					op |= DEBUG_MAILDIR | VERBOSE;
+					op |= DEBUG_MAILDIR;
 					break;
 				case 'M':
-					op |= DEBUG_MAIN | VERBOSE;
+					op |= DEBUG_MAIN;
 					break;
 				case 'n':
-					op |= DEBUG_NET | VERBOSE;
+					op |= DEBUG_NET;
 					break;
 				case 'N':
-					op |= DEBUG_NET | DEBUG_NET_ALL | VERBOSE;
+					op |= DEBUG_NET | DEBUG_NET_ALL;
 					break;
 				case 's':
-					op |= DEBUG_SYNC | VERBOSE;
+					op |= DEBUG_SYNC;
 					break;
 				default:
 					error( "Unknown -D flag '%c'\n", *ochar );
@@ -664,7 +660,7 @@ main( int argc, char **argv )
 				}
 			}
 			if (!op)
-				op = DEBUG_ALL | VERBOSE;
+				op = DEBUG_ALL;
 			DFlags |= op;
 			break;
 		case 'T':
@@ -698,8 +694,11 @@ main( int argc, char **argv )
 	if (ms_warn)
 		warn( "Notice: -master/-slave/m/s suffixes are deprecated; use -far/-near/f/n instead.\n" );
 
-	if (!(DFlags & (QUIET | DEBUG_ANY)) && isatty( 1 ))
+	if (DFlags & DEBUG_ANY) {
+		Verbosity = VERBOSE;
+	} else if (Verbosity >= TERSE && isatty( 1 )) {
 		DFlags |= PROGRESS;
+	}
 
 #ifdef __linux__
 	if (DFlags & DEBUG_CRASH) {

src/sync.c

@@ -64,7 +64,7 @@ static int check_cancel( sync_vars_t *svars );
 static uchar
 sanitize_flags( uchar tflags, sync_vars_t *svars, int t )
 {
-	if (!(DFlags & QUIET)) {
+	if (Verbosity >= TERSE) {
 		// We complain only once per flag per store - even though _theoretically_
 		// each mailbox can support different flags according to the IMAP spec.
 		uchar bflags = tflags & ~(svars->good_flags[t] | svars->bad_flags[t]);

src/util.c

@@ -13,6 +13,7 @@
 #include <ctype.h>
 #include <pwd.h>
 
+int Verbosity = TERSE;
 int DFlags;
 int JLimit;
 int UseFSync = 1;
@@ -95,7 +96,7 @@ info( const char *msg, ... )
 {
 	va_list va;
 
-	if (DFlags & VERBOSE) {
+	if (Verbosity >= VERBOSE) {
 		va_start( va, msg );
 		nvprint( msg, va );
 		va_end( va );
@@ -107,7 +108,7 @@ infon( const char *msg, ... )
 {
 	va_list va;
 
-	if (DFlags & VERBOSE) {
+	if (Verbosity >= VERBOSE) {
 		va_start( va, msg );
 		nvprint( msg, va );
 		va_end( va );
@@ -120,7 +121,7 @@ notice( const char *msg, ... )
 {
 	va_list va;
 
-	if (!(DFlags & QUIET)) {
+	if (Verbosity >= TERSE) {
 		va_start( va, msg );
 		nvprint( msg, va );
 		va_end( va );
@@ -132,7 +133,7 @@ warn( const char *msg, ... )
 {
 	va_list va;
 
-	if (!(DFlags & VERYQUIET)) {
+	if (Verbosity >= QUIET) {
 		flushn();
 		va_start( va, msg );
 		vfprintf( stderr, msg, va );