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wstrncmp.c File Reference

#include "postgres_fe.h"
#include "mb/pg_wchar.h"

Include dependency graph for wstrncmp.c:

Go to the source code of this file.

Functions

int pg_wchar_strncmp (const pg_wchar *s1, const pg_wchar *s2, size_t n)

int pg_char_and_wchar_strncmp (const char *s1, const pg_wchar *s2, size_t n)

size_t pg_wchar_strlen (const pg_wchar *str)

Function Documentation

◆ pg_char_and_wchar_strncmp()

int pg_char_and_wchar_strncmp ( const char * s1,

const pg_wchar * s2,

size_t n

)

Definition at line 55 of file wstrncmp.c.

56{

57 if (n == 0)

58 return 0;

59 do

60 {

61 if ((pg_wchar) ((unsigned char) *s1) != *s2++)

62 return ((pg_wchar) ((unsigned char) *s1) - *(s2 - 1));

63 if (*s1++ == 0)

64 break;

65 } while (--n != 0);

66 return 0;

67}

pg_wchar

unsigned int pg_wchar

Definition: mbprint.c:31

s1

char * s1

Definition: preproc-strings.c:46

s2

char * s2

Definition: preproc-strings.c:43

References s1, and s2.

Referenced by element(), and lookupcclass().

◆ pg_wchar_strlen()

size_t pg_wchar_strlen ( const pg_wchar * str )

Definition at line 70 of file wstrncmp.c.

71{

72 const pg_wchar *s;

73

74 for (s = str; *s; ++s)

75 ;

76 return (s - str);

77}

str

const char * str

Definition: hashfn_unstable.h:254

References str.

Referenced by pg_wchar2mb().

◆ pg_wchar_strncmp()

int pg_wchar_strncmp ( const pg_wchar * s1,

const pg_wchar * s2,

size_t n

)

Definition at line 40 of file wstrncmp.c.

41{

42 if (n == 0)

43 return 0;

44 do

45 {

46 if (*s1 != *s2++)

47 return (*s1 - *(s2 - 1));

48 if (*s1++ == 0)

49 break;

50 } while (--n != 0);

51 return 0;

52}

References s1, and s2.