3998e2a072
Replace the BSD license header with the SPDX tag for files with only an Intel copyright on them. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
89 lines
1.9 KiB
C
89 lines
1.9 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2016 Intel Corporation
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*/
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <netinet/ip.h>
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#ifndef __PARSER_H
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#define __PARSER_H
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struct parse_status {
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int status;
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char parse_msg[256];
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};
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#define APP_CHECK(exp, status, fmt, ...) \
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do { \
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if (!(exp)) { \
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sprintf(status->parse_msg, fmt "\n", \
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## __VA_ARGS__); \
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status->status = -1; \
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} else \
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status->status = 0; \
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} while (0)
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#define APP_CHECK_PRESENCE(val, str, status) \
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APP_CHECK(val == 0, status, \
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"item \"%s\" already present", str)
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#define APP_CHECK_TOKEN_EQUAL(tokens, index, ref, status) \
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APP_CHECK(strcmp(tokens[index], ref) == 0, status, \
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"unrecognized input \"%s\": expect \"%s\"\n", \
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tokens[index], ref)
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static inline int
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is_str_num(const char *str)
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{
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uint32_t i;
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for (i = 0; i < strlen(str); i++)
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if (!isdigit(str[i]))
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return -1;
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return 0;
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}
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#define APP_CHECK_TOKEN_IS_NUM(tokens, index, status) \
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APP_CHECK(is_str_num(tokens[index]) == 0, status, \
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"input \"%s\" is not valid number string", tokens[index])
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#define INCREMENT_TOKEN_INDEX(index, max_num, status) \
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do { \
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APP_CHECK(index + 1 < max_num, status, "reaching the end of " \
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"the token array"); \
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index++; \
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} while (0)
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int
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parse_ipv4_addr(const char *token, struct in_addr *ipv4, uint32_t *mask);
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int
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parse_ipv6_addr(const char *token, struct in6_addr *ipv6, uint32_t *mask);
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int
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parse_range(const char *token, uint16_t *low, uint16_t *high);
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void
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parse_sp4_tokens(char **tokens, uint32_t n_tokens,
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struct parse_status *status);
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void
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parse_sp6_tokens(char **tokens, uint32_t n_tokens,
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struct parse_status *status);
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void
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parse_sa_tokens(char **tokens, uint32_t n_tokens,
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struct parse_status *status);
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void
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parse_rt_tokens(char **tokens, uint32_t n_tokens,
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struct parse_status *status);
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int
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parse_cfg_file(const char *cfg_filename);
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#endif
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