1 files changed, 126 insertions, 0 deletions
diff --git a/monadic.c b/monadic.c
new file mode 100644
index 0000000..3c7fac2
--- /dev/null
+++ b/monadic.c
@@ -0,0 +1,126 @@
+#include "internal.h"
+#include <stdio.h>
+#include <string.h>
+#include <grp.h>
+
+extern int
+monadic_main(
+ struct FileInfo *	i
+,int				argc
+,char * *			argv)
+{
+	int	status = 0;
+
+	while ( argc > 1 && argv[1][0] == '-' ) {
+		switch ( argv[1][1] ) {
+		case 'c':
+			i->create = 1;
+			break;
+		case 'f':
+			i->force = 1;
+			break;
+		case 'g':
+			if ( argc > 2 ) {
+				struct group *	g;
+				if ( (g = getgrnam(argv[2])) == 0 ) {
+					fprintf(stderr, "%s: no such group.\n", argv[1]);
+					return 1;
+				}
+				i->groupID = g->gr_gid;
+				i->changeGroupID = 1;
+				i->complainInPostProcess = 1;
+				argc--;
+				argv++;
+				break;
+			}
+			usage(i->applet->usage);
+			return 1;
+		case 'm':
+			if ( argc > 2 ) {
+				status = parse_mode(
+				 argv[2]
+				,&i->orWithMode
+				,&i->andWithMode, 0);
+
+				if ( status == 0 ) {
+					i->changeMode = 1;
+					i->complainInPostProcess = 1;
+					argc--;
+					argv++;
+					break;
+				}
+			}
+			usage(i->applet->usage);
+			return 1;
+		case 'o':
+			if ( argc > 2 ) {
+				status = parse_user_name(argv[2], i);
+				if ( status != 0 )
+					return status;
+
+				i->changeUserID = 1;
+				i->complainInPostProcess = 1;
+				argc--;
+				argv++;
+				break;
+			}
+			usage(i->applet->usage);
+			return 1;
+		case 'p':
+			i->makeParentDirectories = 1;
+			break;
+		case 'r':
+		case 'R':
+			i->recursive = 1;
+			break;
+		case 's':
+			i->makeSymbolicLink = 1;
+			break;
+		default:
+			usage(i->applet->usage);
+			return 1;
+		}
+		argv++;
+		argc--;
+	}
+	while ( argc > 1 ) {
+		char *	slash;
+		i->source = argv[1];
+		if ( (slash = strrchr(i->source, '/')) != 0 ) {
+			i->directoryLength = slash - i->source;
+			if ( i->source[i->directoryLength] == '\0' )
+				i->directoryLength = 0;
+		}
+		else
+			i->directoryLength = 0;
+		if ( !i->dyadic )
+			i->destination = i->source;
+
+		if ( lstat(i->source, &i->stat) == 0 ) {
+			i->isSymbolicLink = (i->stat.st_mode & S_IFMT)==S_IFLNK;
+			if ( i->isSymbolicLink )
+				if ( stat(i->source, &i->stat) != 0 )
+					memset(&i->stat, 0, sizeof(i->stat));
+		}
+		else
+			memset(&i->stat, 0, sizeof(i->stat));
+
+		if ( i->isSymbolicLink
+		 || !i->recursive
+		 || ((i->stat.st_mode & S_IFMT) != S_IFDIR) ) {
+
+			if ( i->applet->function )
+				status = i->applet->function(i);
+			if ( status == 0 )
+				status = post_process(i);
+		}
+		else
+			status = descend(i, i->applet->function);
+
+		if ( status != 0 && !i->force )
+			return status;
+		argv++;
+		argc--;
+	}
+	return 0;
+}