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[patch #9547] Bring some comments in httpd.h up to date

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Signed-off-by: goldsimon <goldsimon@gmx.de>
This commit is contained in:
Mike Kleshov 2018-01-22 19:47:16 +01:00 committed by goldsimon
parent 9dbfa9ca0a
commit 76826c1622
1 changed files with 16 additions and 17 deletions
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33
src/include/lwip/apps/httpd.h
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@ -57,8 +57,8 @@ extern "C" {
*
* This function is called each time the HTTPD server is asked for a file
* whose name was previously registered as a CGI function using a call to
* http_set_cgi_handler. The iIndex parameter provides the index of the
* CGI within the ppcURLs array passed to http_set_cgi_handler. Parameters
* http_set_cgi_handlers. The iIndex parameter provides the index of the
* CGI within the cgis array passed to http_set_cgi_handlers. Parameters
* pcParam and pcValue provide access to the parameters provided along with
* the URI. iNumParams provides a count of the entries in the pcParam and
* pcValue arrays. Each entry in the pcParam array contains the name of a
@ -72,8 +72,8 @@ extern "C" {
* browser, for example "/thanks.htm" or "/response/error.ssi".
*
* The maximum number of parameters that will be passed to this function via
* iNumParams is defined by LWIP_HTTPD_MAX_CGI_PARAMETERS. Any parameters in the incoming
* HTTP request above this number will be discarded.
* iNumParams is defined by LWIP_HTTPD_MAX_CGI_PARAMETERS. Any parameters in
* the incoming HTTP request above this number will be discarded.
*
* Requests intended for use by this CGI mechanism must be sent using the GET
* method (which encodes all parameters within the URI rather than in a block
@ -124,30 +124,29 @@ extern void httpd_cgi_handler(const char* uri, int iNumParams, char **pcParam, c
* Function pointer for the SSI tag handler callback.
*
* This function will be called each time the HTTPD server detects a tag of the
* form <!--#name--> in a .shtml, .ssi or .shtm file where "name" appears as
* one of the tags supplied to http_set_ssi_handler in the ppcTags array. The
* form <!--#name--> in files with extensions mentioned in the g_pcSSIExtensions
* array (currently .shtml, .shtm, .ssi, .xml) where "name" appears as
* one of the tags supplied to http_set_ssi_handler in the tags array. The
* returned insert string, which will be appended after the the string
* "<!--#name-->" in file sent back to the client,should be written to pointer
* pcInsert. iInsertLen contains the size of the buffer pointed to by
* pcInsert. The iIndex parameter provides the zero-based index of the tag as
* found in the ppcTags array and identifies the tag that is to be processed.
* "<!--#name-->" in file sent back to the client, should be written to pointer
* pcInsert. iInsertLen contains the size of the buffer pointed to by
* pcInsert. The iIndex parameter provides the zero-based index of the tag as
* found in the tags array and identifies the tag that is to be processed.
*
* The handler returns the number of characters written to pcInsert excluding
* any terminating NULL or a negative number to indicate a failure (tag not
* recognized, for example).
* any terminating NULL or HTTPD_SSI_TAG_UNKNOWN when tag is not recognized.
*
* Note that the behavior of this SSI mechanism is somewhat different from the
* "normal" SSI processing as found in, for example, the Apache web server. In
* this case, the inserted text is appended following the SSI tag rather than
* replacing the tag entirely. This allows for an implementation that does not
* require significant additional buffering of output data yet which will still
* offer usable SSI functionality. One downside to this approach is when
* offer usable SSI functionality. One downside to this approach is when
* attempting to use SSI within JavaScript. The SSI tag is structured to
* resemble an HTML comment but this syntax does not constitute a comment
* within JavaScript and, hence, leaving the tag in place will result in
* problems in these cases. To work around this, any SSI tag which needs to
* output JavaScript code must do so in an encapsulated way, sending the whole
* HTML &lt;script&gt;...&lt;/script&gt; section as a single include.
* problems in these cases. In order to avoid these problems, define
* LWIP_HTTPD_SSI_INCLUDE_TAG as zero in your lwip options file.
*/
typedef u16_t (*tSSIHandler)(
#if LWIP_HTTPD_SSI_RAW
@ -182,7 +181,7 @@ void http_set_ssi_handler(tSSIHandler pfnSSIHandler,
/* These functions must be implemented by the application */
/**
/**
* @ingroup httpd
* Called when a POST request has been received. The application can decide
* whether to accept it or not.