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.

{
    if (n == 0)
        return 0;
    do
    {
        if ((pg_wchar) ((unsigned char) *s1) != *s2++)
            return ((pg_wchar) ((unsigned char) *s1) - *(s2 - 1));
        if (*s1++ == 0)
            break;
    } while (--n != 0);
    return 0;
}

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.

{
    const pg_wchar *s;
 
    for (s = str; *s; ++s)
        ;
    return (s - str);
}

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.

{
    if (n == 0)
        return 0;
    do
    {
        if (*s1 != *s2++)
            return (*s1 - *(s2 - 1));
        if (*s1++ == 0)
            break;
    } while (--n != 0);
    return 0;
}

References s1, and s2.