c022cb400e
Since we have support for the strlcpy function in DPDK, replace all instances where a string is copied using snprintf. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org>
120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation.
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* Copyright (c) 2010, Keith Wiles <keith.wiles@windriver.com>
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* All rights reserved.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include <stdarg.h>
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#include <rte_string_fns.h>
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#include "cmdline_parse.h"
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#include "cmdline_parse_portlist.h"
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struct cmdline_token_ops cmdline_token_portlist_ops = {
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.parse = cmdline_parse_portlist,
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.complete_get_nb = NULL,
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.complete_get_elt = NULL,
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.get_help = cmdline_get_help_portlist,
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};
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static void
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parse_set_list(cmdline_portlist_t *pl, size_t low, size_t high)
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{
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do {
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pl->map |= (1 << low++);
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} while (low <= high);
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}
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static int
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parse_ports(cmdline_portlist_t *pl, const char *str)
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{
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size_t ps, pe;
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const char *first, *last;
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char *end;
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for (first = str, last = first;
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first != NULL && last != NULL;
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first = last + 1) {
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last = strchr(first, ',');
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errno = 0;
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ps = strtoul(first, &end, 10);
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if (errno != 0 || end == first ||
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(end[0] != '-' && end[0] != 0 && end != last))
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return -1;
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/* Support for N-M portlist format */
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if (end[0] == '-') {
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errno = 0;
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first = end + 1;
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pe = strtoul(first, &end, 10);
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if (errno != 0 || end == first ||
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(end[0] != 0 && end != last))
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return -1;
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} else {
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pe = ps;
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}
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if (ps > pe || pe >= sizeof (pl->map) * 8)
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return -1;
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parse_set_list(pl, ps, pe);
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}
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return 0;
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}
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int
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cmdline_parse_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
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const char *buf, void *res, unsigned ressize)
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{
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unsigned int token_len = 0;
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char portlist_str[PORTLIST_TOKEN_SIZE+1];
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cmdline_portlist_t *pl;
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if (!buf || ! *buf)
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return -1;
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if (res && ressize < sizeof(cmdline_portlist_t))
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return -1;
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pl = res;
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while (!cmdline_isendoftoken(buf[token_len]) &&
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(token_len < PORTLIST_TOKEN_SIZE))
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token_len++;
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if (token_len >= PORTLIST_TOKEN_SIZE)
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return -1;
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strlcpy(portlist_str, buf, token_len + 1);
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if (pl) {
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pl->map = 0;
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if (strcmp("all", portlist_str) == 0)
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pl->map = UINT32_MAX;
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else if (parse_ports(pl, portlist_str) != 0)
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return -1;
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}
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return token_len;
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}
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int
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cmdline_get_help_portlist(__attribute__((unused)) cmdline_parse_token_hdr_t *tk,
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char *dstbuf, unsigned int size)
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{
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int ret;
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ret = snprintf(dstbuf, size, "range of ports as 3,4-6,8-19,20");
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if (ret < 0)
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return -1;
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return 0;
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}
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