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Warning header.

Defines

#define HTTP_WARNING_INIT()
 Initializer for structure http_warning_t.
#define HTTPTAG_WARNING(x)
 Tag list item for pointer to a Warning header object.
#define HTTPTAG_WARNING_STR(s)
 Tag list item for string with Warning header value.

Enumerations

enum  { http_warning_hash }

Functions

http_warning_thttp_warning_init (http_warning_t x[1])
 Initialize a structure http_warning_t.
int http_is_warning (http_header_t const *header)
 Test if header object is instance of http_warning_t.
http_warning_thttp_warning_dup (su_home_t *home, http_warning_t const *hdr))
 Duplicate (deep copy) http_warning_t.
http_warning_thttp_warning_copy (su_home_t *home, http_warning_t const *hdr))
 Copy a http_warning_t header structure.
http_warning_thttp_warning_make (su_home_t *home, char const *s))
 Make a header structure http_warning_t.
http_warning_thttp_warning_format (su_home_t *home, char const *fmt,...)))
 Make a Warning header from formatting result.

Variables

msg_hclass_t http_warning_class []
 Header class for HTTP Warning header.
msg_parse_f http_warning_d
 Decode (parse) a Warning header.
msg_print_f http_warning_e
 Encode (print) a Warning header.

Define Documentation

#define HTTP_WARNING_INIT (  ) 

Initializer for structure http_warning_t.

A static http_warning_t structure must be initialized with the HTTP_WARNING_INIT() macro. For instance,

  http_warning_t http_warning = HTTP_WARNING_INIT;
#define HTTPTAG_WARNING (   x  ) 

Tag list item for pointer to a Warning header object.

The HTTPTAG_WARNING() macro is used to include a tag item with a pointer to a http_warning_t object in a tag list.

Parameters:
x pointer to a http_warning_t header structure, or NULL.
#define HTTPTAG_WARNING_STR (   s  ) 

Tag list item for string with Warning header value.

The HTTPTAG_WARNING_STR() macro is used to include a tag item with a string containing value of a http_warning_t header in a tag list.

Parameters:
s pointer to a string containing http_warning_t value, or NULL.

The HTTPTAG_WARNING_STR string can be converted to a http_warning_t header structure by giving the string s has second argument to function http_warning_make().


Enumeration Type Documentation

anonymous enum
Enumerator:
http_warning_hash 

Hash of Warning header.


Function Documentation

int http_is_warning ( http_header_t const *  header  )  [inline]

Test if header object is instance of http_warning_t.

The function http_is_warning() returns true (nonzero) if the header class is an instance of Warning header object and false (zero) otherwise.

Parameters:
header pointer to the header structure to be tested
Returns:
The function http_is_xwarning() returns true (nonzero) if the header object is an instance of header warning and false (zero) otherwise.
http_warning_t * http_warning_copy ( su_home_t home,
http_warning_t const *  hdr 
) [inline]

Copy a http_warning_t header structure.

The function http_warning_copy() copies a header structure hdr. If the header structure hdr contains a reference (hdr->h_next) to a list of headers, all the headers in that list are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header structure hdr.

Parameters:
home memory home used to allocate new structure
hdr pointer to the header structure to be duplicated

When copying, only the header structure and parameter lists attached to it are duplicated. The new header structure retains all the references to the strings within the old header, including the encoding of the old header, if present.

Example
   warning = http_warning_copy(home, http->http_warning);
Returns:
The function http_warning_copy() returns a pointer to newly copied header structure, or NULL upon an error.
http_warning_t * http_warning_dup ( su_home_t home,
http_warning_t const *  hdr 
) [inline]

Duplicate (deep copy) http_warning_t.

The function http_warning_dup() duplicates a header structure hdr. If the header structure hdr contains a reference (hdr->x_next) to a list of headers, all the headers in the list are duplicated, too.

Parameters:
home memory home used to allocate new structure
hdr header structure to be duplicated

When duplicating, all parameter lists and non-constant strings attached to the header are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header.

Example
   warning = http_warning_dup(home, http->http_warning);
Returns:
The function http_warning_dup() returns a pointer to the newly duplicated http_warning_t header structure, or NULL upon an error.
http_warning_t * http_warning_format ( su_home_t home,
char const *  fmt,
  ... 
) [inline]

Make a Warning header from formatting result.

The function http_warning_format() makes a new Warning header object using formatting result as its value. The function first prints the arguments according to the format fmt specified. Then it allocates a new header structure, and uses the formatting result as the header value.

Parameters:
home memory home used to allocate new header structure.
fmt string used as a printf()-style format
... argument list for format
Note:
This function is usually implemented as a macro calling msg_header_format().
Returns:
The function http_warning_format() returns a pointer to newly makes header structure, or NULL upon an error.
http_warning_t* http_warning_init ( http_warning_t  x[1]  )  [inline]

Initialize a structure http_warning_t.

An http_warning_t structure can be initialized with the http_warning_init() function/macro. For instance,

  http_warning_t http_warning;

  http_warning_init(&http_warning);
http_warning_t * http_warning_make ( su_home_t home,
char const *  s 
) [inline]

Make a header structure http_warning_t.

The function http_warning_make() makes a new http_warning_t header structure. It allocates a new header structure, and decodes the string s as the value of the structure.

Parameters:
home memory home used to allocate new header structure.
s string to be decoded as value of the new header structure
Note:
This function is usually implemented as a macro calling http_header_make().
Returns:
The function http_warning_make() returns a pointer to newly maked http_warning_t header structure, or NULL upon an error.

Variable Documentation

Header class for HTTP Warning header.

The header class http_warning_class defines how a HTTP Warning header is parsed and printed. It also contains methods used by HTTP parser and other functions to manipulate the http_warning_t header structure.

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