Lucciefr/strutils_8h_source.html

 #ifndef STRUTILS_H

 #define STRUTILS_H


 #include "bool.h"

 #include <ctype.h>

 #include <stdarg.h>

 #include <stdint.h>

 #if !_WINDOWS

     #include <wchar.h>

 #endif


 #define ISWHITE(c)  ((c) == 9 || (c) == 32) // TAB or SPACE

 #define NOTWHITE(c) ((c) != 9 && (c) != 32) // neither TAB nor SPACE


 bool strew(const char *str, const char *what);

 bool strsw(const char *str, const char *what);

 bool streq(const char *str, const char *what);

 bool streq_ic(const char *str, const char *what);

 bool wstrsw_ic(const wchar_t *str, const wchar_t *what); // wstring strstr case insensitive

 bool wstrew(const wchar_t *str, const wchar_t *what);

 const char *strstr_ic(const char *haystack, const char *needle);

 int rtrim_len(const char *s, size_t *len);

 int ltrim_ofs(const char *s, size_t *len);

 int strcmp_safe(const char *a, const char *b);

 int strcasecmp_safe(const char *a, const char *b);


 char *repeat_char(const char c, int n);

 char *repeat_string(const char *str, int n);


 bool is_ascii(unsigned char *data, int min_len);

 bool is_utf16(wchar_t *data, int min_len);


 int32_t hash_str_djb(const char *key, size_t length, size_t step);

 int32_t hash_wstr_djb(const wchar_t *key, size_t length, size_t step);

 int32_t hash_str_sdbm(const char *key, size_t length, size_t step);

 int32_t hash_wstr_sdbm(const wchar_t *key, size_t length, size_t step);

 int32_t hash_str_elf(const char *key, size_t length, size_t step);

 int32_t hash_wstr_elf(const wchar_t *key, size_t length, size_t step);

 int32_t hash_str_mulAdd(int32_t init, int32_t factor, const char *key, size_t length, size_t step);

 int32_t hash_wstr_mulAdd(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step);

 int32_t hash_str_mulXor(int32_t init, int32_t factor, const char *key, size_t length, size_t step);

 int32_t hash_wstr_mulXor(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step);

 int32_t hash_str_xorMul(int32_t init, int32_t factor, const char *key, size_t length, size_t step);

 int32_t hash_wstr_xorMul(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step);


 int hextoi(const char *str);


 int vformatmsg_len(char* *msg, const char *fmt, va_list ap);

 int formatmsg_len(char* *msg, const char *fmt, ...);

 char *vformatmsg(const char *fmt, va_list ap);

 char *formatmsg(const char *fmt, ...);


 #endif // STRUTILS_H

hash_wstr_xorMul
int32_t hash_wstr_xorMul(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step)
wide string hash functions, using (FNV-1a style) "xor before mul"
Definition: strutils.c:377

wstrew
bool wstrew(const wchar_t *str, const wchar_t *what)
wide string ends with
Definition: strutils.c:31

streq_ic
bool streq_ic(const char *str, const char *what)
case-insensitive string equals
Definition: strutils.c:69

vformatmsg
char * vformatmsg(const char *fmt, va_list ap)
Return a string according to format string fmt, using arguments from vararg list ap.
Definition: strutils.c:451

repeat_char
char * repeat_char(const char c, int n)
construct a string that repeats a char n times.
Definition: strutils.c:154

hash_str_xorMul
int32_t hash_str_xorMul(int32_t init, int32_t factor, const char *key, size_t length, size_t step)
string hash functions, using (FNV-1a style) "xor before mul"
Definition: strutils.c:367

strew
bool strew(const char *str, const char *what)
string ends with
Definition: strutils.c:22

wstrsw_ic
bool wstrsw_ic(const wchar_t *str, const wchar_t *what)
wide string starts with
Definition: strutils.c:49

hash_str_elf
int32_t hash_str_elf(const char *key, size_t length, size_t step)
ELF hash.
Definition: strutils.c:284

hash_wstr_mulAdd
int32_t hash_wstr_mulAdd(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step)
multiplicative wide string hash functions, using "add" operation
Definition: strutils.c:331

rtrim_len
int rtrim_len(const char *s, size_t *len)
A helper function for "right trim" (removal of trailing whitepace).
Definition: strutils.c:108

is_ascii
bool is_ascii(unsigned char *data, int min_len)
test for valid strings (consisting only of ASCII chars) with a given minimum length ...
Definition: strutils.c:191

hash_str_mulXor
int32_t hash_str_mulXor(int32_t init, int32_t factor, const char *key, size_t length, size_t step)
multiplicative string hash functions, using "xor" operation
Definition: strutils.c:341

hash_wstr_djb
int32_t hash_wstr_djb(const wchar_t *key, size_t length, size_t step)
DJB hash function for wide strings.
Definition: strutils.c:249

strcmp_safe
int strcmp_safe(const char *a, const char *b)
"Lua-safe" string comparison (strcmp wrapper), protects against NULL pointers
Definition: strutils.c:133

hash_wstr_elf
int32_t hash_wstr_elf(const wchar_t *key, size_t length, size_t step)
ELF hash function for wide strings.
Definition: strutils.c:303

repeat_string
char * repeat_string(const char *str, int n)
construct a string that repeats another string n times.
Definition: strutils.c:165

strstr_ic
const char * strstr_ic(const char *haystack, const char *needle)
case-insensitive substring match
Definition: strutils.c:83

hash_str_djb
int32_t hash_str_djb(const char *key, size_t length, size_t step)
DJB string hash function.
Definition: strutils.c:241

streq
bool streq(const char *str, const char *what)
string equals
Definition: strutils.c:61

strsw
bool strsw(const char *str, const char *what)
string starts with
Definition: strutils.c:41

strcasecmp_safe
int strcasecmp_safe(const char *a, const char *b)
"Lua-safe" string comparison, ignores case (strcasecmp wrapper)
Definition: strutils.c:142

vformatmsg_len
int vformatmsg_len(char **msg, const char *fmt, va_list ap)
Function to create a string according to format string fmt while using arguments from vararg list ap...
Definition: strutils.c:407

formatmsg
char * formatmsg(const char *fmt,...)
Vararg wrapper for vformatmsg(). Returns formatted string.
Definition: strutils.c:469

ltrim_ofs
int ltrim_ofs(const char *s, size_t *len)
A helper function for "left trim" (removal of leading whitepace).
Definition: strutils.c:122

hash_wstr_sdbm
int32_t hash_wstr_sdbm(const wchar_t *key, size_t length, size_t step)
sdbm hash function for wide strings
Definition: strutils.c:269

is_utf16
bool is_utf16(wchar_t *data, int min_len)
test for valid wide strings (consisting only of ASCII wide chars)
Definition: strutils.c:204

hextoi
int hextoi(const char *str)
A primitive version of "hex to integer", similar to strtol(str, NULL, 16).
Definition: strutils.c:217

bool.h
boolean data type and constants/macros

formatmsg_len
int formatmsg_len(char **msg, const char *fmt,...)
Vararg wrapper for vformatmsg_len().
Definition: strutils.c:459

hash_str_mulAdd
int32_t hash_str_mulAdd(int32_t init, int32_t factor, const char *key, size_t length, size_t step)
multiplicative string hash functions, using "add" operation
Definition: strutils.c:321

hash_wstr_mulXor
int32_t hash_wstr_mulXor(int32_t init, int32_t factor, const wchar_t *key, size_t length, size_t step)
multiplicative wide string hash functions, using "xor" operation
Definition: strutils.c:353

hash_str_sdbm
int32_t hash_str_sdbm(const char *key, size_t length, size_t step)
sdbm string hash function.
Definition: strutils.c:261