1 files changed, 126 insertions, 0 deletions

diff --git a/monadic.c b/monadic.c
new file mode 100644
index 000000000..3c7fac25b
--- /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;
+}