-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-/*
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation.
* Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
* All rights reserved.
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of the University of California, Berkeley nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
return 0;
}
+static int
+check_res_size(struct cmdline_token_num_data *nd, unsigned ressize)
+{
+ switch (nd->type) {
+ case INT8:
+ case UINT8:
+ if (ressize < sizeof(int8_t))
+ return -1;
+ break;
+ case INT16:
+ case UINT16:
+ if (ressize < sizeof(int16_t))
+ return -1;
+ break;
+ case INT32:
+ case UINT32:
+ if (ressize < sizeof(int32_t))
+ return -1;
+ break;
+ case INT64:
+ case UINT64:
+ if (ressize < sizeof(int64_t))
+ return -1;
+ break;
+ default:
+ return -1;
+ }
+ return 0;
+}
/* parse an int */
int
-cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res)
+cmdline_parse_num(cmdline_parse_token_hdr_t *tk, const char *srcbuf, void *res,
+ unsigned ressize)
{
struct cmdline_token_num_data nd;
enum num_parse_state_t st = START;
memcpy(&nd, &((struct cmdline_token_num *)tk)->num_data, sizeof(nd));
+ /* check that we have enough room in res */
+ if (res) {
+ if (check_res_size(&nd, ressize) < 0)
+ return -1;
+ }
+
while ( st != ERROR && c && ! cmdline_isendoftoken(c) ) {
debug_printf("%c %x -> ", c, c);
switch (st) {
case HEX:
st = HEX_OK;
- /* no break */
+ /* fall-through */
case HEX_OK:
if (c >= '0' && c <= '9') {
if (add_to_res(c - '0', &res1, 16) < 0)
case BIN:
st = BIN_OK;
- /* no break */
+ /* fall-through */
case BIN_OK:
if (c >= '0' && c <= '1') {
if (add_to_res(c - '0', &res1, 2) < 0)
case BIN_OK:
if ( nd.type == INT8 && res1 <= INT8_MAX ) {
if (res) *(int8_t *)res = (int8_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT16 && res1 <= INT16_MAX ) {
if (res) *(int16_t *)res = (int16_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT32 && res1 <= INT32_MAX ) {
if (res) *(int32_t *)res = (int32_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT64 && res1 <= INT64_MAX ) {
if (res) *(int64_t *)res = (int64_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == UINT8 && res1 <= UINT8_MAX ) {
if (res) *(uint8_t *)res = (uint8_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if (nd.type == UINT16 && res1 <= UINT16_MAX ) {
if (res) *(uint16_t *)res = (uint16_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == UINT32 && res1 <= UINT32_MAX ) {
if (res) *(uint32_t *)res = (uint32_t) res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == UINT64 ) {
if (res) *(uint64_t *)res = res1;
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else {
return -1;
case DEC_NEG_OK:
if ( nd.type == INT8 && res1 <= INT8_MAX + 1 ) {
if (res) *(int8_t *)res = (int8_t) (-res1);
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT16 && res1 <= (uint16_t)INT16_MAX + 1 ) {
if (res) *(int16_t *)res = (int16_t) (-res1);
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT32 && res1 <= (uint32_t)INT32_MAX + 1 ) {
if (res) *(int32_t *)res = (int32_t) (-res1);
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else if ( nd.type == INT64 && res1 <= (uint64_t)INT64_MAX + 1 ) {
if (res) *(int64_t *)res = (int64_t) (-res1);
- return (buf-srcbuf);
+ return buf-srcbuf;
}
else {
return -1;
/* if (nd.type >= (sizeof(num_help)/sizeof(const char *))) */
/* return -1; */
- ret = snprintf(dstbuf, size, "%s", num_help[nd.type]);
+ ret = strlcpy(dstbuf, num_help[nd.type], size);
if (ret < 0)
return -1;
dstbuf[size-1] = '\0';