4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
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35 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
36 * All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions are met:
40 * * Redistributions of source code must retain the above copyright
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46 * names of its contributors may be used to endorse or promote products
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51 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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53 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
55 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
57 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
58 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
68 #include <rte_string_fns.h>
70 #include "cmdline_parse.h"
71 #include "cmdline_parse_num.h"
73 #ifdef RTE_LIBRTE_CMDLINE_DEBUG
74 #define debug_printf(args...) printf(args)
76 #define debug_printf(args...) do {} while(0)
79 struct cmdline_token_ops cmdline_token_num_ops = {
80 .parse = cmdline_parse_num,
81 .complete_get_nb = NULL,
82 .complete_get_elt = NULL,
83 .get_help = cmdline_get_help_num,
87 enum num_parse_state_t {
95 FIRST_OK, /* not used */
104 /* Keep it sync with enum in .h */
105 static const char * num_help[] = {
106 "UINT8", "UINT16", "UINT32", "UINT64",
107 "INT8", "INT16", "INT32", "INT64",
111 add_to_res(unsigned int c, uint64_t *res, unsigned int base)
114 if ( (UINT64_MAX - c) / base < *res ) {
118 *res = (uint64_t) (*res * base + c);
123 check_res_size(struct cmdline_token_num_data *nd, unsigned ressize)
128 if (ressize < sizeof(int8_t))
133 if (ressize < sizeof(int16_t))
138 if (ressize < sizeof(int32_t))
143 if (ressize < sizeof(int64_t))
154 cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res,
157 struct cmdline_token_num_data nd;
158 enum num_parse_state_t st = START;
166 if (!srcbuf || !*srcbuf)
172 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
174 /* check that we have enough room in res */
176 if (check_res_size(&nd, ressize) < 0)
180 while ( st != ERROR && c && ! cmdline_isendoftoken(c) ) {
181 debug_printf("%c %x -> ", c, c);
190 else if (c >= '1' && c <= '9') {
191 if (add_to_res(c - '0', &res1, 10) < 0)
208 else if (c >= '0' && c <= '7') {
209 if (add_to_res(c - '0', &res1, 10) < 0)
220 if (c >= '0' && c <= '9') {
221 if (add_to_res(c - '0', &res1, 10) < 0)
232 if (c >= '0' && c <= '9') {
233 if (add_to_res(c - '0', &res1, 10) < 0)
242 if (c >= '0' && c <= '9') {
243 if (add_to_res(c - '0', &res1, 10) < 0)
253 /* fall-through no break */
255 if (c >= '0' && c <= '9') {
256 if (add_to_res(c - '0', &res1, 16) < 0)
259 else if (c >= 'a' && c <= 'f') {
260 if (add_to_res(c - 'a' + 10, &res1, 16) < 0)
263 else if (c >= 'A' && c <= 'F') {
264 if (add_to_res(c - 'A' + 10, &res1, 16) < 0)
274 if (c >= '0' && c <= '7') {
275 if (add_to_res(c - '0', &res1, 8) < 0)
287 if (c >= '0' && c <= '1') {
288 if (add_to_res(c - '0', &res1, 2) < 0)
296 debug_printf("not impl ");
300 debug_printf("(%"PRIu64")\n", res1);
306 if (buf-srcbuf > 127)
316 if ( nd.type == INT8 && res1 <= INT8_MAX ) {
317 if (res) *(int8_t *)res = (int8_t) res1;
320 else if ( nd.type == INT16 && res1 <= INT16_MAX ) {
321 if (res) *(int16_t *)res = (int16_t) res1;
324 else if ( nd.type == INT32 && res1 <= INT32_MAX ) {
325 if (res) *(int32_t *)res = (int32_t) res1;
328 else if ( nd.type == INT64 && res1 <= INT64_MAX ) {
329 if (res) *(int64_t *)res = (int64_t) res1;
332 else if ( nd.type == UINT8 && res1 <= UINT8_MAX ) {
333 if (res) *(uint8_t *)res = (uint8_t) res1;
336 else if (nd.type == UINT16 && res1 <= UINT16_MAX ) {
337 if (res) *(uint16_t *)res = (uint16_t) res1;
340 else if ( nd.type == UINT32 && res1 <= UINT32_MAX ) {
341 if (res) *(uint32_t *)res = (uint32_t) res1;
344 else if ( nd.type == UINT64 ) {
345 if (res) *(uint64_t *)res = res1;
354 if ( nd.type == INT8 && res1 <= INT8_MAX + 1 ) {
355 if (res) *(int8_t *)res = (int8_t) (-res1);
358 else if ( nd.type == INT16 && res1 <= (uint16_t)INT16_MAX + 1 ) {
359 if (res) *(int16_t *)res = (int16_t) (-res1);
362 else if ( nd.type == INT32 && res1 <= (uint32_t)INT32_MAX + 1 ) {
363 if (res) *(int32_t *)res = (int32_t) (-res1);
366 else if ( nd.type == INT64 && res1 <= (uint64_t)INT64_MAX + 1 ) {
367 if (res) *(int64_t *)res = (int64_t) (-res1);
375 debug_printf("error\n");
383 cmdline_get_help_num(cmdline_parse_token_hdr_t *tk, char *dstbuf, unsigned int size)
385 struct cmdline_token_num_data nd;
391 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
393 /* should not happen.... don't so this test */
394 /* if (nd.type >= (sizeof(num_help)/sizeof(const char *))) */
397 ret = snprintf(dstbuf, size, "%s", num_help[nd.type]);
400 dstbuf[size-1] = '\0';