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61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/* Copyright (c) 2003-2004, Roger Dingledine
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* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
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* Copyright (c) 2007-2019, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file util_string.h
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* \brief Header for util_string.c
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**/
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#ifndef TOR_UTIL_STRING_H
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#define TOR_UTIL_STRING_H
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#include "orconfig.h"
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#include "lib/cc/compat_compiler.h"
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#include <stddef.h>
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const void *tor_memmem(const void *haystack, size_t hlen, const void *needle,
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size_t nlen);
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const void *tor_memstr(const void *haystack, size_t hlen,
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const char *needle);
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int fast_mem_is_zero(const char *mem, size_t len);
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#define fast_digest_is_zero(d) fast_mem_is_zero((d), DIGEST_LEN)
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#define fast_digetst256_is_zero(d) fast_mem_is_zero((d), DIGEST256_LEN)
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int tor_digest_is_zero(const char *digest);
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int tor_digest256_is_zero(const char *digest);
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/** Allowable characters in a hexadecimal string. */
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#define HEX_CHARACTERS "0123456789ABCDEFabcdef"
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void tor_strlower(char *s);
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void tor_strupper(char *s);
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int tor_strisprint(const char *s);
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int tor_strisnonupper(const char *s);
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int tor_strisspace(const char *s);
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int strcmp_opt(const char *s1, const char *s2);
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int strcmpstart(const char *s1, const char *s2);
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int strcasecmpstart(const char *s1, const char *s2);
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int strcmpend(const char *s1, const char *s2);
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int strcasecmpend(const char *s1, const char *s2);
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int fast_memcmpstart(const void *mem, size_t memlen, const char *prefix);
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void tor_strstrip(char *s, const char *strip);
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const char *eat_whitespace(const char *s);
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const char *eat_whitespace_eos(const char *s, const char *eos);
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const char *eat_whitespace_no_nl(const char *s);
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const char *eat_whitespace_eos_no_nl(const char *s, const char *eos);
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const char *find_whitespace(const char *s);
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const char *find_whitespace_eos(const char *s, const char *eos);
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const char *find_str_at_start_of_line(const char *haystack,
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const char *needle);
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int string_is_C_identifier(const char *string);
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int string_is_utf8(const char *str, size_t len);
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int string_is_utf8_no_bom(const char *str, size_t len);
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#endif /* !defined(TOR_UTIL_STRING_H) */
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