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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.
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14 * notice, this list of conditions and the following disclaimer in
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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.
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38 * modification, are permitted provided that the following conditions are met:
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54 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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56 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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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);
125 cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res)
127 struct cmdline_token_num_data nd;
128 enum num_parse_state_t st = START;
136 if (!srcbuf || !*srcbuf)
142 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
144 while ( st != ERROR && c && ! cmdline_isendoftoken(c) ) {
145 debug_printf("%c %x -> ", c, c);
154 else if (c >= '1' && c <= '9') {
155 if (add_to_res(c - '0', &res1, 10) < 0)
172 else if (c >= '0' && c <= '7') {
173 if (add_to_res(c - '0', &res1, 10) < 0)
184 if (c >= '0' && c <= '9') {
185 if (add_to_res(c - '0', &res1, 10) < 0)
196 if (c >= '0' && c <= '9') {
197 if (add_to_res(c - '0', &res1, 10) < 0)
206 if (c >= '0' && c <= '9') {
207 if (add_to_res(c - '0', &res1, 10) < 0)
219 if (c >= '0' && c <= '9') {
220 if (add_to_res(c - '0', &res1, 16) < 0)
223 else if (c >= 'a' && c <= 'f') {
224 if (add_to_res(c - 'a' + 10, &res1, 16) < 0)
227 else if (c >= 'A' && c <= 'F') {
228 if (add_to_res(c - 'A' + 10, &res1, 16) < 0)
238 if (c >= '0' && c <= '7') {
239 if (add_to_res(c - '0', &res1, 8) < 0)
251 if (c >= '0' && c <= '1') {
252 if (add_to_res(c - '0', &res1, 2) < 0)
260 debug_printf("not impl ");
264 debug_printf("(%"PRIu64")\n", res1);
270 if (buf-srcbuf > 127)
280 if ( nd.type == INT8 && res1 <= INT8_MAX ) {
281 if (res) *(int8_t *)res = (int8_t) res1;
284 else if ( nd.type == INT16 && res1 <= INT16_MAX ) {
285 if (res) *(int16_t *)res = (int16_t) res1;
288 else if ( nd.type == INT32 && res1 <= INT32_MAX ) {
289 if (res) *(int32_t *)res = (int32_t) res1;
292 else if ( nd.type == INT64 && res1 <= INT64_MAX ) {
293 if (res) *(int64_t *)res = (int64_t) res1;
296 else if ( nd.type == UINT8 && res1 <= UINT8_MAX ) {
297 if (res) *(uint8_t *)res = (uint8_t) res1;
300 else if (nd.type == UINT16 && res1 <= UINT16_MAX ) {
301 if (res) *(uint16_t *)res = (uint16_t) res1;
304 else if ( nd.type == UINT32 && res1 <= UINT32_MAX ) {
305 if (res) *(uint32_t *)res = (uint32_t) res1;
308 else if ( nd.type == UINT64 ) {
309 if (res) *(uint64_t *)res = res1;
318 if ( nd.type == INT8 && res1 <= INT8_MAX + 1 ) {
319 if (res) *(int8_t *)res = (int8_t) (-res1);
322 else if ( nd.type == INT16 && res1 <= (uint16_t)INT16_MAX + 1 ) {
323 if (res) *(int16_t *)res = (int16_t) (-res1);
326 else if ( nd.type == INT32 && res1 <= (uint32_t)INT32_MAX + 1 ) {
327 if (res) *(int32_t *)res = (int32_t) (-res1);
330 else if ( nd.type == INT64 && res1 <= (uint64_t)INT64_MAX + 1 ) {
331 if (res) *(int64_t *)res = (int64_t) (-res1);
339 debug_printf("error\n");
347 cmdline_get_help_num(cmdline_parse_token_hdr_t *tk, char *dstbuf, unsigned int size)
349 struct cmdline_token_num_data nd;
355 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
357 /* should not happen.... don't so this test */
358 /* if (nd.type >= (sizeof(num_help)/sizeof(const char *))) */
361 ret = rte_snprintf(dstbuf, size, "%s", num_help[nd.type]);
364 dstbuf[size-1] = '\0';