2 * Copyright (c) <2010>, Intel Corporation
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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25 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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32 * OF THE POSSIBILITY OF SUCH DAMAGE.
36 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
37 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions are met:
41 * * Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * * Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
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47 * names of its contributors may be used to endorse or promote products
48 * derived from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
51 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
52 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
53 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
54 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
55 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
56 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
57 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
59 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
71 #include <netinet/in.h>
73 #include "cmdline_parse.h"
74 #include "cmdline_rdline.h"
78 #define PROMPT_SUFFIX "> "
81 /**********************/
84 cmdline_valid_buffer(struct rdline *rdl, const char *buf,
85 __attribute__((unused)) unsigned int size)
87 struct cmdline *cl = rdl->opaque;
89 ret = cmdline_parse(cl, buf);
90 if (ret == CMDLINE_PARSE_AMBIGUOUS)
91 cmdline_printf(cl, "Ambiguous command\n");
92 else if (ret == CMDLINE_PARSE_NOMATCH)
93 cmdline_printf(cl, "Command not found\n");
94 else if (ret == CMDLINE_PARSE_BAD_ARGS)
95 cmdline_printf(cl, "Bad arguments\n");
99 cmdline_complete_buffer(struct rdline *rdl, const char *buf,
100 char *dstbuf, unsigned int dstsize,
103 struct cmdline *cl = rdl->opaque;
104 return cmdline_complete(cl, buf, state, dstbuf, dstsize);
108 cmdline_write_char(struct rdline *rdl, char c)
110 struct cmdline *cl = rdl->opaque;
111 if (cl->s_out >= 0) {
112 write(cl->s_out, &c, 1);
118 cmdline_set_prompt(struct cmdline *cl, const char *prompt)
120 snprintf(cl->prompt, sizeof(cl->prompt), prompt);
124 cmdline_new(cmdline_parse_ctx_t *ctx, const char *prompt, int s_in, int s_out)
127 cl = malloc(sizeof(struct cmdline));
130 memset(cl, 0, sizeof(struct cmdline));
135 rdline_init(&cl->rdl, cmdline_write_char,
136 cmdline_valid_buffer, cmdline_complete_buffer);
138 cmdline_set_prompt(cl, prompt);
139 rdline_newline(&cl->rdl, cl->prompt);
145 cmdline_free(struct cmdline *cl)
150 if (cl->s_out != cl->s_in && cl->s_out > 2)
156 cmdline_printf(const struct cmdline *cl, const char *fmt, ...)
162 vsnprintf(buffer, 512, fmt, ap);
164 if (cl->s_out >= 0) {
165 write(cl->s_out, buffer, strlen(buffer));
170 cmdline_in(struct cmdline *cl, const char *buf, int size)
172 const char *history, *buffer;
176 /* XXX use defines instead of hardcoded values */
177 for (i=0; i<size; i++) {
178 ret = rdline_char_in(&cl->rdl, buf[i]);
181 buffer = rdline_get_buffer(&cl->rdl);
182 history = rdline_get_history_item(&cl->rdl, 0);
184 same = !memcmp(buffer, history, strlen(history)) &&
185 buffer[strlen(history)] == '\n';
189 if (strlen(buffer) > 1 && !same)
190 rdline_add_history(&cl->rdl, buffer);
191 rdline_newline(&cl->rdl, cl->prompt);
200 cmdline_interact(struct cmdline *cl)
206 read(cl->s_in, &c, 1);
207 if (cmdline_in(cl, &c, 1) < 0) {