/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #ifndef _NGX_STRING_H_INCLUDED_ #define _NGX_STRING_H_INCLUDED_ #include <ngx_config.h> #include <ngx_core.h> ngx_str_t; ngx_keyval_t; ngx_variable_value_t; #define ngx_string(str) … #define ngx_null_string … #define ngx_str_set(str, text) … #define ngx_str_null(str) … #define ngx_tolower(c) … #define ngx_toupper(c) … void ngx_strlow(u_char *dst, u_char *src, size_t n); #define ngx_strncmp(s1, s2, n) … /* msvc and icc7 compile strcmp() to inline loop */ #define ngx_strcmp(s1, s2) … #define ngx_strstr(s1, s2) … #define ngx_strlen(s) … size_t ngx_strnlen(u_char *p, size_t n); #define ngx_strchr(s1, c) … static ngx_inline u_char * ngx_strlchr(u_char *p, u_char *last, u_char c) { … } /* * msvc and icc7 compile memset() to the inline "rep stos" * while ZeroMemory() and bzero() are the calls. * icc7 may also inline several mov's of a zeroed register for small blocks. */ #define ngx_memzero(buf, n) … #define ngx_memset(buf, c, n) … void ngx_explicit_memzero(void *buf, size_t n); #if (NGX_MEMCPY_LIMIT) void *ngx_memcpy(void *dst, const void *src, size_t n); #define ngx_cpymem … #else /* * gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs". * gcc3 compiles memcpy(d, s, 4) to the inline "mov"es. * icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves. */ #define ngx_memcpy(dst, src, n) … #define ngx_cpymem(dst, src, n) … #endif #if ( __INTEL_COMPILER >= 800 ) /* * the simple inline cycle copies the variable length strings up to 16 * bytes faster than icc8 autodetecting _intel_fast_memcpy() */ static ngx_inline u_char * ngx_copy(u_char *dst, u_char *src, size_t len) { if (len < 17) { while (len) { *dst++ = *src++; len--; } return dst; } else { return ngx_cpymem(dst, src, len); } } #else #define ngx_copy … #endif #define ngx_memmove(dst, src, n) … #define ngx_movemem(dst, src, n) … /* msvc and icc7 compile memcmp() to the inline loop */ #define ngx_memcmp(s1, s2, n) … u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n); u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src); u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...); u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...); u_char * ngx_cdecl ngx_slprintf(u_char *buf, u_char *last, const char *fmt, ...); u_char *ngx_vslprintf(u_char *buf, u_char *last, const char *fmt, va_list args); #define ngx_vsnprintf(buf, max, fmt, args) … ngx_int_t ngx_strcasecmp(u_char *s1, u_char *s2); ngx_int_t ngx_strncasecmp(u_char *s1, u_char *s2, size_t n); u_char *ngx_strnstr(u_char *s1, char *s2, size_t n); u_char *ngx_strstrn(u_char *s1, char *s2, size_t n); u_char *ngx_strcasestrn(u_char *s1, char *s2, size_t n); u_char *ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n); 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_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2); ngx_int_t ngx_dns_strcmp(u_char *s1, u_char *s2); ngx_int_t ngx_filename_cmp(u_char *s1, u_char *s2, size_t n); ngx_int_t ngx_atoi(u_char *line, size_t n); ngx_int_t ngx_atofp(u_char *line, size_t n, size_t point); ssize_t ngx_atosz(u_char *line, size_t n); off_t ngx_atoof(u_char *line, size_t n); time_t ngx_atotm(u_char *line, size_t n); ngx_int_t ngx_hextoi(u_char *line, size_t n); u_char *ngx_hex_dump(u_char *dst, u_char *src, size_t len); #define ngx_base64_encoded_length(len) … #define ngx_base64_decoded_length(len) … void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src); void ngx_encode_base64url(ngx_str_t *dst, ngx_str_t *src); ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src); ngx_int_t ngx_decode_base64url(ngx_str_t *dst, ngx_str_t *src); uint32_t ngx_utf8_decode(u_char **p, size_t n); size_t ngx_utf8_length(u_char *p, size_t n); u_char *ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len); #define NGX_ESCAPE_URI … #define NGX_ESCAPE_ARGS … #define NGX_ESCAPE_URI_COMPONENT … #define NGX_ESCAPE_HTML … #define NGX_ESCAPE_REFRESH … #define NGX_ESCAPE_MEMCACHED … #define NGX_ESCAPE_MAIL_AUTH … #define NGX_UNESCAPE_URI … #define NGX_UNESCAPE_REDIRECT … uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size, ngx_uint_t type); void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type); uintptr_t ngx_escape_html(u_char *dst, u_char *src, size_t size); uintptr_t ngx_escape_json(u_char *dst, u_char *src, size_t size); ngx_str_node_t; void ngx_str_rbtree_insert_value(ngx_rbtree_node_t *temp, ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel); ngx_str_node_t *ngx_str_rbtree_lookup(ngx_rbtree_t *rbtree, ngx_str_t *name, uint32_t hash); void ngx_sort(void *base, size_t n, size_t size, ngx_int_t (*cmp)(const void *, const void *)); #define ngx_qsort … #define ngx_value_helper(n) … #define ngx_value(n) … #endif /* _NGX_STRING_H_INCLUDED_ */
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