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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.
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14 * notice, this list of conditions and the following disclaimer in
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36 * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
37 * All rights reserved.
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39 * modification, are permitted provided that the following conditions are met:
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52 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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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
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59 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 #include <rte_string_fns.h>
71 #include "cmdline_parse.h"
72 #include "cmdline_parse_num.h"
74 #ifdef RTE_LIBRTE_CMDLINE_DEBUG
75 #define debug_printf(args...) printf(args)
77 #define debug_printf(args...) do {} while(0)
80 struct cmdline_token_ops cmdline_token_num_ops = {
81 .parse = cmdline_parse_num,
82 .complete_get_nb = NULL,
83 .complete_get_elt = NULL,
84 .get_help = cmdline_get_help_num,
88 enum num_parse_state_t {
96 FIRST_OK, /* not used */
105 /* Keep it sync with enum in .h */
106 static const char * num_help[] = {
107 "UINT8", "UINT16", "UINT32", "UINT64",
108 "INT8", "INT16", "INT32", "INT64",
112 add_to_res(unsigned int c, uint64_t *res, unsigned int base)
115 if ( (UINT64_MAX - c) / base < *res ) {
119 *res = (uint64_t) (*res * base + c);
126 cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res)
128 struct cmdline_token_num_data nd;
129 enum num_parse_state_t st = START;
137 if (!srcbuf || !*srcbuf)
143 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
145 while ( st != ERROR && c && ! cmdline_isendoftoken(c) ) {
146 debug_printf("%c %x -> ", c, c);
155 else if (c >= '1' && c <= '9') {
156 if (add_to_res(c - '0', &res1, 10) < 0)
173 else if (c >= '0' && c <= '7') {
174 if (add_to_res(c - '0', &res1, 10) < 0)
185 if (c >= '0' && c <= '9') {
186 if (add_to_res(c - '0', &res1, 10) < 0)
197 if (c >= '0' && c <= '9') {
198 if (add_to_res(c - '0', &res1, 10) < 0)
207 if (c >= '0' && c <= '9') {
208 if (add_to_res(c - '0', &res1, 10) < 0)
220 if (c >= '0' && c <= '9') {
221 if (add_to_res(c - '0', &res1, 16) < 0)
224 else if (c >= 'a' && c <= 'f') {
225 if (add_to_res(c - 'a' + 10, &res1, 16) < 0)
228 else if (c >= 'A' && c <= 'F') {
229 if (add_to_res(c - 'A' + 10, &res1, 16) < 0)
239 if (c >= '0' && c <= '7') {
240 if (add_to_res(c - '0', &res1, 8) < 0)
252 if (c >= '0' && c <= '1') {
253 if (add_to_res(c - '0', &res1, 2) < 0)
261 debug_printf("not impl ");
265 debug_printf("(%"PRIu64")\n", res1);
271 if (buf-srcbuf > 127)
281 if ( nd.type == INT8 && res1 <= INT8_MAX ) {
282 if (res) *(int8_t *)res = (int8_t) res1;
285 else if ( nd.type == INT16 && res1 <= INT16_MAX ) {
286 if (res) *(int16_t *)res = (int16_t) res1;
289 else if ( nd.type == INT32 && res1 <= INT32_MAX ) {
290 if (res) *(int32_t *)res = (int32_t) res1;
293 else if ( nd.type == INT64 && res1 <= INT64_MAX ) {
294 if (res) *(int64_t *)res = (int64_t) res1;
297 else if ( nd.type == UINT8 && res1 <= UINT8_MAX ) {
298 if (res) *(uint8_t *)res = (uint8_t) res1;
301 else if (nd.type == UINT16 && res1 <= UINT16_MAX ) {
302 if (res) *(uint16_t *)res = (uint16_t) res1;
305 else if ( nd.type == UINT32 && res1 <= UINT32_MAX ) {
306 if (res) *(uint32_t *)res = (uint32_t) res1;
309 else if ( nd.type == UINT64 ) {
310 if (res) *(uint64_t *)res = res1;
319 if ( nd.type == INT8 && res1 <= INT8_MAX + 1 ) {
320 if (res) *(int8_t *)res = (int8_t) (-res1);
323 else if ( nd.type == INT16 && res1 <= (uint16_t)INT16_MAX + 1 ) {
324 if (res) *(int16_t *)res = (int16_t) (-res1);
327 else if ( nd.type == INT32 && res1 <= (uint32_t)INT32_MAX + 1 ) {
328 if (res) *(int32_t *)res = (int32_t) (-res1);
331 else if ( nd.type == INT64 && res1 <= (uint64_t)INT64_MAX + 1 ) {
332 if (res) *(int64_t *)res = (int64_t) (-res1);
340 debug_printf("error\n");
348 cmdline_get_help_num(cmdline_parse_token_hdr_t *tk, char *dstbuf, unsigned int size)
350 struct cmdline_token_num_data nd;
356 memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
358 /* should not happen.... don't so this test */
359 /* if (nd.type >= (sizeof(num_help)/sizeof(const char *))) */
362 ret = rte_snprintf(dstbuf, size, "%s", num_help[nd.type]);
365 dstbuf[size-1] = '\0';