Return Class Reference

Public Member Functions
	Return ()
	~Return ()
void	reset ()
void	zero ()
int	return_grow (size_t len)
void	rmemcpy (const void *buf, int len)
void	rread (const char *filename, int fh, int len)
void	rsputs (const char *str)
void	rsputs2 (const char *str)
void	rsprintf (const char *format,...) MATTRPRINTF(2
	va_start (argptr, format)
	vsprintf (str,(char *) format, argptr)
	va_end (argptr)
	assert (strlen(str)< sizeof(str))
	return_grow (strlen(str))
	if (strlen_retbuf+strlen(str) > return_size) strcpy(return_buffer
else	strcpy (return_buffer+strlen_retbuf, str)

Public Attributes
size_t	return_size
char *	return_buffer
int	strlen_retbuf
int	return_length
void char	str [10000]
< H1 >	Error: return buffer too small</H1>")
	strlen_retbuf = strlen(str)
	return_length = strlen_retbuf

Detailed Description

Definition at line 511 of file mhttpd.cxx.

Constructor & Destructor Documentation

Return()

Return::Return ( )

inline

Definition at line 522 of file mhttpd.cxx.

   {
      return_size = WEB_BUFFER_SIZE;
      return_buffer = (char*)malloc(return_size);
      assert(return_buffer != NULL);
 
      strlen_retbuf = 0;
      return_length = 0;
   }

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~Return()

Return::~Return ( )

inline

Definition at line 532 of file mhttpd.cxx.

   {
      if (return_buffer)
         free(return_buffer);
      return_buffer = NULL;
      return_size = 0;
      strlen_retbuf = 0;
      return_length = 0;
   }

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Member Function Documentation

assert()

Return::assert

(

)

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if()

Return::if	(	strlen_retbuf+	strlenstr,
		return_size
	)

reset()

void Return::reset ( )

inline

Definition at line 542 of file mhttpd.cxx.

   {
      strlen_retbuf = 0;
   }

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return_grow() [1/2]

int Return::return_grow ( size_t  len )

inline

Definition at line 554 of file mhttpd.cxx.

{
   //printf("size %d, grow %d, room %d\n", return_size, len, return_size - strlen_retbuf);
 
   for (int i=0; i<1000; i++) { // infinite loop with protection against infinite looping
      if (strlen_retbuf + len < return_size-40)
         return SUCCESS;
 
      return_size *= 2;
      return_buffer = (char*)realloc(return_buffer, return_size);
 
      assert(return_buffer);
 
      //printf("new size %d\n", return_size);
   }
 
   assert(!"Cannot happen!"); // does not return
   return 0;
}

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return_grow() [2/2]

Return::return_grow

(

strlen(str)

)

rmemcpy()

void Return::rmemcpy ( const void *  buf, int  len  )

inline

Definition at line 576 of file mhttpd.cxx.

{
   return_grow(len);
   memcpy(return_buffer + strlen_retbuf, buf, len);
   strlen_retbuf += len;
   return_length = strlen_retbuf;
}

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rread()

void Return::rread ( const char *  filename, int  fh, int  len  )

inline

Definition at line 586 of file mhttpd.cxx.

{
   return_grow(len);
   int rd = read(fh, return_buffer + strlen_retbuf, len);
   if (rd != len) {
      cm_msg(MERROR, "rread", "Cannot read file \'%s\', read of %d returned %d, errno %d (%s)", filename, len, rd, errno, strerror(errno));
      memset(return_buffer + strlen_retbuf, 0, len);
   }
   strlen_retbuf += len;
   return_length = strlen_retbuf;
}

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rsprintf()

void Return::rsprintf	(	const char *	format,
			...
	)

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rsputs()

void Return::rsputs ( const char *  str )

inline

Definition at line 600 of file mhttpd.cxx.

{
   size_t len = strlen(str);
 
   return_grow(len);
 
   if (strlen_retbuf + len > return_size-40) {
      strcpy(return_buffer, "<H1>Error: return buffer too small</H1>");
      strlen_retbuf = strlen(return_buffer);
   } else {
      strcpy(return_buffer + strlen_retbuf, str);
      strlen_retbuf += len;
   }
 
   return_length = strlen_retbuf;
}

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rsputs2()

void Return::rsputs2 ( const char *  str )

inline

Definition at line 619 of file mhttpd.cxx.

{
   size_t len = strlen(str);
 
   return_grow(len);
 
   if (strlen_retbuf + len > return_size) {
      mstrlcpy(return_buffer, "<H1>Error: return buffer too small</H1>", return_size);
      strlen_retbuf = strlen(return_buffer);
   } else {
      int j = strlen_retbuf;
      for (size_t i = 0; i < len; i++) {
         if (strncmp(str + i, "http://", 7) == 0) {
            int k;
            char link[256];
            char* p = (char *) (str + i + 7);
 
            i += 7;
            for (k = 0; *p && *p != ' ' && *p != '\n'; k++, i++)
               link[k] = *p++;
            link[k] = 0;
 
            sprintf(return_buffer + j, "<a href=\"http://%s\">http://%s</a>", link, link);
            j += strlen(return_buffer + j);
         } else
            switch (str[i]) {
            case '<':
               mstrlcat(return_buffer, "&lt;", return_size);
               j += 4;
               break;
            case '>':
               mstrlcat(return_buffer, "&gt;", return_size);
               j += 4;
               break;
            default:
               return_buffer[j++] = str[i];
            }
      }
 
      return_buffer[j] = 0;
      strlen_retbuf = j;
   }
 
   return_length = strlen_retbuf;
}

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strcpy()

else Return::strcpy	(	return_buffer+	strlen_retbuf,
		str
	)

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va_end()

Return::va_end

(

argptr

)

va_start()

Return::va_start	(	argptr	,
		format
	)

vsprintf()

Return::vsprintf	(	str	,
		(char *)	format,
		argptr
	)

zero()

void Return::zero ( )

inline

Definition at line 547 of file mhttpd.cxx.

   {
      memset(return_buffer, 0, return_size);
      strlen_retbuf = 0;
      return_length = 0;
   }

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Member Data Documentation

Error

<H1> Return::Error

Definition at line 682 of file mhttpd.cxx.

return_buffer

char* Return::return_buffer

Definition at line 516 of file mhttpd.cxx.

return_length [1/2]

int Return::return_length

Definition at line 519 of file mhttpd.cxx.

return_length [2/2]

Return::return_length = strlen_retbuf

Definition at line 687 of file mhttpd.cxx.

return_size

size_t Return::return_size

Definition at line 515 of file mhttpd.cxx.

str

void char Return::str[10000]

Initial value:

{
   va_list argptr

Definition at line 670 of file mhttpd.cxx.

strlen_retbuf [1/2]

int Return::strlen_retbuf

Definition at line 518 of file mhttpd.cxx.

strlen_retbuf [2/2]

Return::strlen_retbuf = strlen(str)

Definition at line 686 of file mhttpd.cxx.

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The documentation for this class was generated from the following file:

• progs/mhttpd.cxx