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/* See LICENSE file for copyright and license details. */
/**
* Scans for a character in a string, the scan is case-sensitive
*
* @param s The string to scan
* @param c The character for scan for
* @return `s` with a minimal offset such that `*r == c || !*r`,
* where `r` is the returned pointer
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __returns_nonnull__, __warn_unused_result__)))
char *libsimple_strchrnul(const char *, int);
#ifndef strchrnul
# define strchrnul libsimple_strchrnul
#endif
/**
* Scans for a character in a string, the scan is case-insensitive
*
* @param s The string to scan
* @param c The character for scan for
* @return `s` with a minimal offset such that `tolower(*r) == tolower(c)`,
* where `r` is the returned pointer, `NULL` if no such offset exists
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
char *libsimple_strcasechr(const char *, int);
#ifndef strcasechr
# define strcasechr libsimple_strcasechr
#endif
/**
* Scans for a character in a string, the scan is case-insensitive
*
* @param s The string to scan
* @param c The character for scan for
* @return `s` with a minimal offset such that `tolower(*r) == tolower(c) || !*r`,
* where `r` is the returned pointer
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __returns_nonnull__, __warn_unused_result__)))
char *libsimple_strcasechrnul(const char *, int);
#ifndef strcasechrnul
# define strcasechrnul libsimple_strcasechrnul
#endif
/**
* Scans for a character in a string, the scan is case-insensitive
*
* @param s The string to scan
* @param c The character for scan for
* @return `s` with a maximal offset such that `tolower(*r) == tolower(c)`,
* where `r` is the returned pointer, `NULL` if no such offset exists
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
char *libsimple_strrcasechr(const char *, int);
#ifndef strrcasechr
# define strrcasechr libsimple_strrcasechr
#endif
/**
* Scans for the end of a string
*
* @param s The string
* @return `s` with an offset such `!*r`, where `r` is the returned pointer
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline char *libsimple_strend(const char *__s)
{ return strchr(__s, '\0'); }
#ifndef strend
# define strend libsimple_strend
#endif
/**
* Checks the beginning of a string, the comparison is case-sensitive
*
* @param s The string the check
* @param t The string `s` should begin with
* @return 1 if `s` starts with `t`, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
int libsimple_strstarts(const char *, const char *);
#ifndef strstarts
# define strstarts libsimple_strstarts
#endif
/**
* Checks the beginning of a string, the comparison is case-insensitive
*
* @param s The string the check
* @param t The string `s` should begin with
* @return 1 if `s` starts with `t`, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline int libsimple_strcasestarts(const char *__s, const char *__t)
{ return !strncasecmp(__s, __t, (strlen)(__t)); }
#ifndef strcasestarts
# define strcasestarts libsimple_strcasestarts
#endif
/**
* Checks the end of a string, the comparison is case-sensitive
*
* @param s The string the check
* @param t The string `s` should begin with
* @return 1 if `s` ends with `t`, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
int libsimple_strends(const char *, const char *);
#ifndef strends
# define strends libsimple_strends
#endif
/**
* Checks the end of a string, the comparison is case-insensitive
*
* @param s The string the check
* @param t The string `s` should begin with
* @return 1 if `s` end with `t`, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
int libsimple_strcaseends(const char *, const char *);
#ifndef strcaseends
# define strcaseends libsimple_strcaseends
#endif
/**
* Scans a string for a substring, the comparison is case-sensitive
*
* @param haystack The string to search
* @param needle The string to search for
* @return `haystack` with a maximal offset such that the returned
* pointer begins with `needle`, `NULL` if no such offset
* exists
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
char *libsimple_strrstr(const char *, const char *);
#ifndef strrstr
# define strrstr libsimple_strrstr
#endif
/**
* Scans a string for a substring, the comparison is case-insensitive
*
* @param haystack The string to search
* @param needle The string to search for
* @return `haystack` with a minimal offset such that the returned
* pointer begins with `needle`, `NULL` if no such offset
* exists
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
char *libsimple_strcasestr(const char *, const char *);
#ifndef strcasestr
# define strcasestr libsimple_strcasestr
#endif
/**
* Scans a string for a substring, the comparison is case-insensitive
*
* @param haystack The string to search
* @param needle The string to search for
* @return `haystack` with a maximal offset such that the returned
* pointer begins with `needle`, `NULL` if no such offset
* exists
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
char *libsimple_strrcasestr(const char *, const char *);
#ifndef strrcasestr
# define strrcasestr libsimple_strrcasestr
#endif
/**
* Compare two strings, and support `NULL` as less than
* the empty string, the comparison is case-sensitive
*
* @param a One of the strings, may be `NULL`
* @param b The other string, may be `NULL`
* @return A negative value if `a` is less than `b`,
* a positive value if `a` is greater than `b`,
* 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __warn_unused_result__)))
static inline int libsimple_strcmpnul(const char *__a, const char *__b)
{ return (!__a || !__b) ? !__b - !__a : strcmp(__a, __b); }
#ifndef strcmpnul
# define strcmpnul libsimple_strcmpnul
#endif
/**
* Compare two strings, and support `NULL` as less than
* the empty string, the comparison is case-insensitive
*
* @param a One of the strings, may be `NULL`
* @param b The other string, may be `NULL`
* @return A negative value if `a` is less than `b`,
* a positive value if `a` is greater than `b`,
* 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __warn_unused_result__)))
static inline int libsimple_strcasecmpnul(const char *__a, const char *__b)
{ return (!__a || !__b) ? !__b - !__a : strcasecmp(__a, __b); }
#ifndef strcasecmpnul
# define strcasecmpnul libsimple_strcasecmpnul
#endif
/**
* Compare two strings, without support for `NULL`,
* the comparison is case-sensitive
*
* @param a One of the strings, may not be `NULL`
* @param b The other string, may not be `NULL`
* @return 1 if the strings are equal, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline int libsimple_streq(const char *__a, const char *__b)
{ return !strcmp(__a, __b); }
#ifndef streq
# define streq libsimple_streq
#endif
/**
* Compare two strings, with support for `NULL`,
* the comparison is case-sensitive
*
* @param a One of the strings, may be `NULL`
* @param b The other string, may be `NULL`
* @return 1 if the strings are equal, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __warn_unused_result__)))
static inline int libsimple_streqnul(const char *__a, const char *__b)
{ return !strcmpnul(__a, __b); }
#ifndef streqnul
# define streqnul libsimple_streqnul
#endif
/**
* Compare two strings, without support for `NULL`,
* the comparison is case-insensitive
*
* @param a One of the strings, may not be `NULL`
* @param b The other string, may not be `NULL`
* @return 1 if the strings are equal, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline int libsimple_strcaseeq(const char *__a, const char *__b)
{ return !strcasecmp(__a, __b); }
#ifndef strcaseeq
# define strcaseeq libsimple_strcaseeq
#endif
/**
* Compare two strings, with support for `NULL`,
* the comparison is case-insensitive
*
* @param a One of the strings, may be `NULL`
* @param b The other string, may be `NULL`
* @return 1 if the strings are equal, 0 otherwise
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __warn_unused_result__)))
static inline int libsimple_strcaseeqnul(const char *__a, const char *__b)
{ return !strcasecmpnul(__a, __b); }
#ifndef strcaseeqnul
# define strcaseeqnul libsimple_strcaseeqnul
#endif
/**
* Compares the beginning of two strings, the comparison is case-sensitive
*
* @param a One of the strings
* @param b The other string
* @return The number of bytes `a` and `b` have
* in common in their beginnings
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
size_t libsimple_streqlen(const char *, const char *);
#ifndef streqlen
# define streqlen libsimple_streqlen
#endif
/**
* Compares the beginning of two strings, the comparison is case-insensitive
*
* @param a One of the strings
* @param b The other string
* @return The number of bytes `a` and `b` have
* in common in their beginnings
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
size_t libsimple_strcaseeqlen(const char *, const char *);
#ifndef strcaseeqlen
# define strcaseeqlen libsimple_strcaseeqlen
#endif
/**
* Compares the end of two strings, the comparison is case-sensitive
*
* @param a One of the strings
* @param b The other string
* @return The number of bytes `a` and `b` have
* in common in their ends
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline size_t libsimple_strreqlen(const char *__a, const char *__b)
{ return memreqlen(__a, (strlen)(__a), __b, (strlen)(__b)); }
#ifndef strreqlen
# define strreqlen libsimple_strreqlen
#endif
/**
* Compares the end of two strings, the comparison is case-insensitive
*
* @param a One of the strings
* @param b The other string
* @return The number of bytes `a` and `b` have
* in common in their ends
*/
_LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __nonnull__, __warn_unused_result__)))
static inline size_t libsimple_strrcaseeqlen(const char *__a, const char *__b)
{ return memrcaseeqlen(__a, (strlen)(__a), __b, (strlen)(__b)); }
#ifndef strrcaseeqlen
# define strrcaseeqlen libsimple_strrcaseeqlen
#endif
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