diff -r e3839719b079 -r 0542668d0f26 dav/sopt.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dav/sopt.c	Fri Jun 13 13:52:59 2014 +0200
@@ -0,0 +1,140 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2014 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "optparser.h"
+
+void cmd_args_free(CmdArgs *args) {
+    ucx_map_free(args->options);
+    free(args->argv);
+}
+
+CmdArgs* cmd_parse_args(int argc, char **argv) {
+    CmdArgs *a = malloc(sizeof(CmdArgs));
+    a->options = ucx_map_new(16);
+    a->argv = calloc(argc, sizeof(char*));
+    a->argc = 0;
+    
+    char *option = NULL;
+    char optchar = 0;
+    for(int i=0;i<argc;i++) {
+        char *arg = argv[i];
+        size_t len = strlen(arg);
+        if(len > 1 && arg[0] == '-') {
+            for(int c=1;c<len;c++) {
+                switch(arg[c]) {
+                    default: {
+                        fprintf(stderr, "Unknown option -%c", arg[c]);
+                        cmd_args_free(a);
+                        return NULL;
+                    }
+                    case 'k': {
+                        if(!option) {
+                            option = "key";
+                            optchar = 'k';
+                        } else {
+                            fprintf(
+                                    stderr,
+                                    "Missing argument for option -%c\n",
+                                    optchar);
+                            cmd_args_free(a);
+                            return NULL;
+                        }
+                        break;
+                    }
+                    case 'p': {
+                        ucx_map_cstr_put(a->options, "plain", "");
+                        break;
+                    }
+                    case 'c': {
+                        ucx_map_cstr_put(a->options, "crypt", "");
+                        break;
+                    }
+                    case 'a': {
+                        ucx_map_cstr_put(a->options, "all", "");
+                        break;
+                    }
+                    case 'l': {
+                        ucx_map_cstr_put(a->options, "list", "");
+                        break;
+                    }
+                    case 't': {
+                        ucx_map_cstr_put(a->options, "type", "");
+                        break;
+                    }
+                    case 'R': {
+                        ucx_map_cstr_put(a->options, "recursive", "");
+                        break;
+                    }
+                    case 'o': {
+                        if(!option) {
+                            option = "output";
+                            optchar = 'o';
+                        } else {
+                            fprintf(
+                                    stderr,
+                                    "Missing argument for option -%c\n",
+                                    optchar);
+                            cmd_args_free(a);
+                            return NULL;
+                        }
+                        break;
+                    }
+                    case 'u': {
+                        if(!option) {
+                            option = "update";
+                            optchar = 'u';
+                        } else {
+                            fprintf(
+                                    stderr,
+                                    "Missing argument for option -%c\n",
+                                    optchar);
+                            cmd_args_free(a);
+                            return NULL;
+                        }
+                        break;
+                    }
+                }
+            }
+        } else if(option) {
+            ucx_map_cstr_put(a->options, option, arg);
+            option = NULL;
+        } else {
+            a->argv[a->argc++] = arg;
+        }
+    }
+    
+    return a;
+}
+
+char* cmd_getoption(CmdArgs *arg, char *name) {
+    return ucx_map_cstr_get(arg->options, name);
+}