mseq: allow message syntax in -c

man/mseq.1

@@ -7,7 +7,7 @@
 .Sh SYNOPSIS
 .Nm
 .Op Fl fr
-.Op Fl c Ar file
+.Op Fl c Ar msg
 .Ar msgs\ ...
 .Nm
 .Fl S
@@ -46,9 +46,9 @@ If standard output is not a terminal, the new sequence is also printed.
 .Pp
 The options are as follows:
 .Bl -tag -width Ds
-.It Fl c Ar file
+.It Fl c Ar msg
 Behave as if
-.Ar file
+.Ar msg
 was the current message.
 .It Fl f
 Fix non-existing filenames by searching for a message with the same
@@ -73,7 +73,7 @@ Symbolic link referring to the current message.
 (Default:
 .Pa ~/.mblaze/cur )
 .It Ev MAILDOT
-When set, overrides the current message.
+When set to a file name, overrides the current message.
 (Prefer using
 .Fl c
 instead.)

mseq.c

@@ -12,6 +12,7 @@
 static int fflag;
 static int rflag;
 static int Aflag;
+static char *cflag;
 static char *Cflag;
 static int Sflag;
 
@@ -239,6 +240,14 @@ stdinmode()
 	return 0;
 }
 
+void
+overridecur(char *file)
+{
+	while (*file == ' ')
+		file++;
+	setenv("MAILDOT", file, 1);
+}
+
 void
 setcur(char *file)
 {
@@ -253,7 +262,7 @@ main(int argc, char *argv[])
 	int c;
 	while ((c = getopt(argc, argv, "c:frAC:S")) != -1)
 		switch(c) {
-		case 'c': setenv("MAILDOT", optarg, 1); break;
+		case 'c': cflag = optarg; break;
 		case 'f': fflag = 1; break;
 		case 'r': rflag = 1; break;
 		case 'A': Sflag = Aflag = 1; break;
@@ -262,7 +271,7 @@ main(int argc, char *argv[])
 		default:
 		usage:
 			fprintf(stderr,
-			    "Usage: mseq [-fr] [-c file] [msgs...]\n"
+			    "Usage: mseq [-fr] [-c msg] [msgs...]\n"
 			    "       mseq -S [-fr] < sequence\n"
 			    "       mseq -A [-fr] < sequence\n"
 			    "       mseq -C msg\n"
@@ -270,6 +279,9 @@ main(int argc, char *argv[])
 			exit(1);
 		}
 
+	if (cflag)
+		blaze822_loop1(cflag, overridecur);
+
 	if (Cflag) {
 		blaze822_loop1(Cflag, setcur);
 		return 0;