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/*
* Copyright (C) Igor Sysoev
*/
#ifndef _NGX_STRING_H_INCLUDED_
#define _NGX_STRING_H_INCLUDED_
#include <ngx_config.h>
#include <ngx_core.h>
typedef struct {
size_t len;
u_char *data;
} ngx_str_t;
#define ngx_string(str) { sizeof(str) - 1, (u_char *) str }
#define ngx_null_string { 0, NULL }
#define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c)
#if (NGX_WIN32)
#define ngx_strncasecmp(s1, s2, n) \
strnicmp((const char *) s1, (const char *) s2, n)
#define ngx_strcasecmp(s1, s2) \
stricmp((const char *) s1, (const char *) s2)
#else
#define ngx_strncasecmp(s1, s2, n) \
strncasecmp((const char *) s1, (const char *) s2, n)
#define ngx_strcasecmp(s1, s2) \
strcasecmp((const char *) s1, (const char *) s2)
#endif
#define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n)
/* msvc and icc compile strcmp() to inline loop */
#define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2)
#define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2)
#define ngx_strlen(s) strlen((const char *) s)
/*
* msvc and icc compile memset() to the inline "rep stos"
* while ZeroMemory() and bzero() are the calls.
* icc may also inline several mov's of a zeroed register for small blocks.
*/
#define ngx_memzero(buf, n) memset(buf, 0, n)
#define ngx_memset(buf, c, n) memset(buf, c, n)
/* msvc and icc compile memcpy() to the inline "rep movs" */
#define ngx_memcpy(dst, src, n) memcpy(dst, src, n)
#define ngx_cpymem(dst, src, n) ((u_char *) memcpy(dst, src, n)) + n
/* msvc and icc compile memcmp() to the inline loop */
#define ngx_memcmp memcmp
u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n);
u_char *ngx_sprintf(u_char *buf, const char *fmt, ...);
u_char *ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...);
u_char *ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args);
ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n);
ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n);
ngx_int_t ngx_atoi(u_char *line, size_t n);
ngx_int_t ngx_hextoi(u_char *line, size_t n);
void ngx_md5_text(u_char *text, u_char *md5);
#define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4)
#define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3)
void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src);
ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src);
#define NGX_ESCAPE_URI 0
#define NGX_ESCAPE_HTML 1
ngx_uint_t ngx_escape_uri(u_char *dst, u_char *src, size_t size,
ngx_uint_t type);
#define ngx_qsort qsort
#define ngx_value_helper(n) #n
#define ngx_value(n) ngx_value_helper(n)
#endif /* _NGX_STRING_H_INCLUDED_ */
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