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1 office 1 /**
2 * @file getargs.c
3 * @author Ambroz Bizjak <ambrop7@gmail.com>
4 *
5 * @section LICENSE
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the
15 * names of its contributors may be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * @section DESCRIPTION
30 *
31 * Synopsis:
32 * getargs()
33 *
34 * Variables:
35 * (empty) - list of extra command line arguments that were passed to the interpreter
36 */
37  
38 #include <string.h>
39  
40 #include <ncd/module_common.h>
41  
42 #include <generated/blog_channel_ncd_getargs.h>
43  
44 struct instance {
45 NCDModuleInst *i;
46 };
47  
48 static void func_new (void *vo, NCDModuleInst *i, const struct NCDModuleInst_new_params *params)
49 {
50 struct instance *o = vo;
51 o->i = i;
52  
53 // check arguments
54 if (!NCDVal_ListRead(params->args, 0)) {
55 ModuleLog(i, BLOG_ERROR, "wrong arity");
56 goto fail0;
57 }
58  
59 // signal up
60 NCDModuleInst_Backend_Up(i);
61 return;
62  
63 fail0:
64 NCDModuleInst_Backend_DeadError(i);
65 }
66  
67 static int func_getvar2 (void *vo, NCD_string_id_t name, NCDValMem *mem, NCDValRef *out)
68 {
69 struct instance *o = vo;
70  
71 if (name == NCD_STRING_EMPTY) {
72 if (!NCDModuleInst_Backend_InterpGetArgs(o->i, mem, out)) {
73 ModuleLog(o->i, BLOG_ERROR, "NCDModuleInst_Backend_InterpGetArgs failed");
74 return 0;
75 }
76 return 1;
77 }
78  
79 return 0;
80 }
81  
82 static struct NCDModule modules[] = {
83 {
84 .type = "getargs",
85 .func_new2 = func_new,
86 .func_getvar2 = func_getvar2,
87 .alloc_size = sizeof(struct instance)
88 }, {
89 .type = NULL
90 }
91 };
92  
93 const struct NCDModuleGroup ncdmodule_getargs = {
94 .modules = modules
95 };