2004-09-28 16:34:51 +08:00
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/*
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2004-09-30 00:00:49 +08:00
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* Copyright (C) Igor Sysoev
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2004-09-28 16:34:51 +08:00
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*/
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2002-08-07 00:39:45 +08:00
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#ifndef _NGX_STRING_H_INCLUDED_
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#define _NGX_STRING_H_INCLUDED_
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#include <ngx_config.h>
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2003-06-03 23:42:58 +08:00
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#include <ngx_core.h>
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2002-08-07 00:39:45 +08:00
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2002-12-03 00:09:40 +08:00
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typedef struct {
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2007-07-17 17:23:23 +08:00
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size_t len;
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u_char *data;
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2002-12-03 00:09:40 +08:00
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} ngx_str_t;
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2002-08-07 00:39:45 +08:00
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2006-05-11 22:43:47 +08:00
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typedef struct {
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2007-07-17 17:23:23 +08:00
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ngx_str_t key;
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ngx_str_t value;
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2006-05-11 22:43:47 +08:00
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} ngx_keyval_t;
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2007-07-17 17:23:23 +08:00
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typedef struct {
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2008-05-15 23:09:39 +08:00
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unsigned len:28;
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2007-07-17 17:23:23 +08:00
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unsigned valid:1;
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2007-10-15 02:56:15 +08:00
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unsigned no_cacheable:1;
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2007-07-17 17:23:23 +08:00
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unsigned not_found:1;
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2008-05-15 23:09:39 +08:00
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unsigned escape:1;
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2007-07-17 17:23:23 +08:00
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u_char *data;
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} ngx_variable_value_t;
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2007-02-15 02:51:19 +08:00
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#define ngx_string(str) { sizeof(str) - 1, (u_char *) str }
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#define ngx_null_string { 0, NULL }
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2010-05-14 17:56:37 +08:00
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#define ngx_str_set(str, text) \
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(str)->len = sizeof(text) - 1; (str)->data = (u_char *) text
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#define ngx_str_null(str) (str)->len = 0; (str)->data = NULL
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2002-12-26 15:24:21 +08:00
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2007-02-15 02:51:19 +08:00
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#define ngx_tolower(c) (u_char) ((c >= 'A' && c <= 'Z') ? (c | 0x20) : c)
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#define ngx_toupper(c) (u_char) ((c >= 'a' && c <= 'z') ? (c & ~0x20) : c)
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2002-08-07 00:39:45 +08:00
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2008-08-04 18:07:00 +08:00
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void ngx_strlow(u_char *dst, u_char *src, size_t n);
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2004-03-15 04:46:25 +08:00
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2004-11-11 22:07:14 +08:00
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#define ngx_strncmp(s1, s2, n) strncmp((const char *) s1, (const char *) s2, n)
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2004-03-15 04:46:25 +08:00
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nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
2005-11-10 01:25:55 +08:00
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/* msvc and icc7 compile strcmp() to inline loop */
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2004-09-28 16:34:51 +08:00
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#define ngx_strcmp(s1, s2) strcmp((const char *) s1, (const char *) s2)
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2004-03-15 04:46:25 +08:00
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2004-11-11 22:07:14 +08:00
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2004-09-28 16:34:51 +08:00
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#define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2)
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#define ngx_strlen(s) strlen((const char *) s)
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2004-03-15 04:46:25 +08:00
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2008-08-26 22:16:36 +08:00
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#define ngx_strchr(s1, c) strchr((const char *) s1, (int) c)
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static ngx_inline u_char *
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ngx_strlchr(u_char *p, u_char *last, u_char c)
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{
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while (p < last) {
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if (*p == c) {
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return p;
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}
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p++;
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}
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return NULL;
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}
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2004-11-11 22:07:14 +08:00
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2003-07-01 23:00:03 +08:00
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/*
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nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
2005-11-10 01:25:55 +08:00
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* msvc and icc7 compile memset() to the inline "rep stos"
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2004-09-28 16:34:51 +08:00
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* while ZeroMemory() and bzero() are the calls.
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nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
2005-11-10 01:25:55 +08:00
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* icc7 may also inline several mov's of a zeroed register for small blocks.
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2003-07-01 23:00:03 +08:00
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*/
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2005-05-19 21:25:22 +08:00
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#define ngx_memzero(buf, n) (void) memset(buf, 0, n)
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#define ngx_memset(buf, c, n) (void) memset(buf, c, n)
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2003-07-01 23:00:03 +08:00
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2004-11-11 22:07:14 +08:00
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2005-12-05 21:18:09 +08:00
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#if (NGX_MEMCPY_LIMIT)
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void *ngx_memcpy(void *dst, void *src, size_t n);
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2010-06-24 23:17:06 +08:00
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#define ngx_cpymem(dst, src, n) (((u_char *) ngx_memcpy(dst, src, n)) + (n))
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2005-12-05 21:18:09 +08:00
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#else
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nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
2005-11-10 01:25:55 +08:00
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/*
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* gcc3, msvc, and icc7 compile memcpy() to the inline "rep movs".
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* gcc3 compiles memcpy(d, s, 4) to the inline "mov"es.
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* icc8 compile memcpy(d, s, 4) to the inline "mov"es or XMM moves.
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*/
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2005-05-19 21:25:22 +08:00
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#define ngx_memcpy(dst, src, n) (void) memcpy(dst, src, n)
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2010-06-24 23:17:06 +08:00
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#define ngx_cpymem(dst, src, n) (((u_char *) memcpy(dst, src, n)) + (n))
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2002-08-07 00:39:45 +08:00
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2005-12-05 21:18:09 +08:00
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#endif
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2004-11-11 22:07:14 +08:00
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nginx-0.3.8-RELEASE import
*) Security: nginx now checks URI got from a backend in
"X-Accel-Redirect" header line or in SSI file for the "/../" paths
and zeroes.
*) Change: nginx now does not treat the empty user name in the
"Authorization" header line as valid one.
*) Feature: the "ssl_session_timeout" directives of the
ngx_http_ssl_module and ngx_imap_ssl_module.
*) Feature: the "auth_http_header" directive of the
ngx_imap_auth_http_module.
*) Feature: the "add_header" directive.
*) Feature: the ngx_http_realip_module.
*) Feature: the new variables to use in the "log_format" directive:
$bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
$request_time, $request_length, $upstream_status,
$upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
$connection, $pipe, and $msec. The parameters in the "%name" form
will be canceled soon.
*) Change: now the false variable values in the "if" directive are the
empty string "" and string starting with "0".
*) Bugfix: while using proxied or FastCGI-server nginx may leave
connections and temporary files with client requests in open state.
*) Bugfix: the worker processes did not flush the buffered logs on
graceful exit.
*) Bugfix: if the request URI was changes by the "rewrite" directive
and the request was proxied in location given by regular expression,
then the incorrect request was transferred to backend; the bug had
appeared in 0.2.6.
*) Bugfix: the "expires" directive did not remove the previous
"Expires" header.
*) Bugfix: nginx may stop to accept requests if the "rtsig" method and
several worker processes were used.
*) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
SSI commands.
*) Bugfix: if the response was ended just after the SSI command and
gzipping was used, then the response did not transferred complete or
did not transferred at all.
2005-11-10 01:25:55 +08:00
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#if ( __INTEL_COMPILER >= 800 )
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/*
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* the simple inline cycle copies the variable length strings up to 16
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* bytes faster than icc8 autodetecting _intel_fast_memcpy()
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*/
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static ngx_inline u_char *
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ngx_copy(u_char *dst, u_char *src, size_t len)
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{
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if (len < 17) {
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while (len) {
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*dst++ = *src++;
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len--;
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}
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return dst;
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} else {
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return ngx_cpymem(dst, src, len);
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}
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}
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#else
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#define ngx_copy ngx_cpymem
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#endif
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/* msvc and icc7 compile memcmp() to the inline loop */
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2007-11-24 01:00:11 +08:00
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#define ngx_memcmp(s1, s2, n) memcmp((const char *) s1, (const char *) s2, n)
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2003-07-01 23:00:03 +08:00
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2004-11-11 22:07:14 +08:00
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2004-03-16 15:10:12 +08:00
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u_char *ngx_cpystrn(u_char *dst, u_char *src, size_t n);
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2005-02-04 03:33:37 +08:00
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u_char *ngx_pstrdup(ngx_pool_t *pool, ngx_str_t *src);
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2005-03-23 00:02:46 +08:00
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u_char * ngx_cdecl ngx_sprintf(u_char *buf, const char *fmt, ...);
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u_char * ngx_cdecl ngx_snprintf(u_char *buf, size_t max, const char *fmt, ...);
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2009-04-27 20:51:33 +08:00
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u_char * ngx_cdecl ngx_slprintf(u_char *buf, u_char *last, const char *fmt,
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...);
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u_char *ngx_vslprintf(u_char *buf, u_char *last, const char *fmt, va_list args);
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#define ngx_vsnprintf(buf, max, fmt, args) \
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ngx_vslprintf(buf, buf + (max), fmt, args)
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2004-10-21 23:34:38 +08:00
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2007-02-15 02:51:19 +08:00
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ngx_int_t ngx_strcasecmp(u_char *s1, u_char *s2);
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ngx_int_t ngx_strncasecmp(u_char *s1, u_char *s2, size_t n);
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2007-10-01 22:48:33 +08:00
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u_char *ngx_strnstr(u_char *s1, char *s2, size_t n);
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2007-09-27 03:25:52 +08:00
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u_char *ngx_strstrn(u_char *s1, char *s2, size_t n);
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u_char *ngx_strcasestrn(u_char *s1, char *s2, size_t n);
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2009-04-05 01:31:54 +08:00
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u_char *ngx_strlcasestrn(u_char *s1, u_char *last, u_char *s2, size_t n);
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2007-09-27 03:25:52 +08:00
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2004-03-16 15:10:12 +08:00
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ngx_int_t ngx_rstrncmp(u_char *s1, u_char *s2, size_t n);
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2004-10-21 23:34:38 +08:00
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ngx_int_t ngx_rstrncasecmp(u_char *s1, u_char *s2, size_t n);
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2007-01-13 05:58:02 +08:00
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ngx_int_t ngx_memn2cmp(u_char *s1, u_char *s2, size_t n1, size_t n2);
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2009-09-12 17:28:37 +08:00
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ngx_int_t ngx_dns_strcmp(u_char *s1, u_char *s2);
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2004-05-21 01:33:52 +08:00
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2004-03-16 15:10:12 +08:00
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ngx_int_t ngx_atoi(u_char *line, size_t n);
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2010-05-14 17:01:30 +08:00
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ngx_int_t ngx_atofp(u_char *line, size_t n, size_t point);
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2005-03-19 20:38:37 +08:00
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ssize_t ngx_atosz(u_char *line, size_t n);
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off_t ngx_atoof(u_char *line, size_t n);
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time_t ngx_atotm(u_char *line, size_t n);
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2004-05-21 01:33:52 +08:00
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ngx_int_t ngx_hextoi(u_char *line, size_t n);
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2002-08-07 00:39:45 +08:00
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2007-12-18 05:06:17 +08:00
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u_char *ngx_hex_dump(u_char *dst, u_char *src, size_t len);
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2003-11-05 06:12:39 +08:00
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2004-08-29 11:55:41 +08:00
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#define ngx_base64_encoded_length(len) (((len + 2) / 3) * 4)
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#define ngx_base64_decoded_length(len) (((len + 3) / 4) * 3)
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2004-10-11 23:07:03 +08:00
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void ngx_encode_base64(ngx_str_t *dst, ngx_str_t *src);
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ngx_int_t ngx_decode_base64(ngx_str_t *dst, ngx_str_t *src);
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2004-11-11 22:07:14 +08:00
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2008-07-29 22:41:34 +08:00
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uint32_t ngx_utf8_decode(u_char **p, size_t n);
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size_t ngx_utf8_length(u_char *p, size_t n);
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u_char *ngx_utf8_cpystrn(u_char *dst, u_char *src, size_t n, size_t len);
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2005-07-08 22:34:20 +08:00
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2004-11-11 22:07:14 +08:00
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2007-10-22 18:19:17 +08:00
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#define NGX_ESCAPE_URI 0
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#define NGX_ESCAPE_ARGS 1
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#define NGX_ESCAPE_HTML 2
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#define NGX_ESCAPE_REFRESH 3
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#define NGX_ESCAPE_MEMCACHED 4
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#define NGX_ESCAPE_MAIL_AUTH 5
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#define NGX_UNESCAPE_URI 1
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#define NGX_UNESCAPE_REDIRECT 2
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2004-11-11 22:07:14 +08:00
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2005-02-04 03:33:37 +08:00
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uintptr_t ngx_escape_uri(u_char *dst, u_char *src, size_t size,
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2005-02-22 22:40:13 +08:00
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ngx_uint_t type);
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2006-01-18 04:04:32 +08:00
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void ngx_unescape_uri(u_char **dst, u_char **src, size_t size, ngx_uint_t type);
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2007-09-27 17:36:50 +08:00
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uintptr_t ngx_escape_html(u_char *dst, u_char *src, size_t size);
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2004-08-27 23:40:59 +08:00
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2010-06-23 23:31:33 +08:00
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typedef struct {
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ngx_rbtree_node_t node;
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ngx_str_t str;
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} ngx_str_node_t;
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void ngx_str_rbtree_insert_value(ngx_rbtree_node_t *temp,
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ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel);
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ngx_str_node_t *ngx_str_rbtree_lookup(ngx_rbtree_t *rbtree, ngx_str_t *name,
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uint32_t hash);
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2003-11-05 06:12:39 +08:00
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2007-05-21 22:05:23 +08:00
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void ngx_sort(void *base, size_t n, size_t size,
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2008-03-24 21:04:02 +08:00
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ngx_int_t (*cmp)(const void *, const void *));
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2007-07-23 03:18:59 +08:00
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#define ngx_qsort qsort
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2002-08-07 00:39:45 +08:00
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2003-05-29 21:02:09 +08:00
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2007-07-23 03:18:59 +08:00
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#define ngx_value_helper(n) #n
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#define ngx_value(n) ngx_value_helper(n)
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2003-05-20 00:39:14 +08:00
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2002-08-07 00:39:45 +08:00
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#endif /* _NGX_STRING_H_INCLUDED_ */
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