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📄 Makefile.in(5.47 KB)
📄 READ.ME(2.7 KB)
📄 f_trace.c(3.05 KB)
📄 fld_arg.c(4.95 KB)
📄 fld_attr.c(5.43 KB)
📄 fld_current.c(6.21 KB)
📄 fld_def.c(12.13 KB)
📄 fld_dup.c(4.51 KB)
📄 fld_ftchoice.c(3.69 KB)
📄 fld_ftlink.c(4.03 KB)
📄 fld_info.c(4.66 KB)
📄 fld_just.c(3.94 KB)
📄 fld_link.c(4.46 KB)
📄 fld_max.c(3.89 KB)
📄 fld_move.c(3.34 KB)
📄 fld_newftyp.c(5.92 KB)
📄 fld_opts.c(5.99 KB)
📄 fld_pad.c(3.85 KB)
📄 fld_page.c(3.9 KB)
📄 fld_stat.c(3.83 KB)
📄 fld_type.c(4.21 KB)
📄 fld_user.c(3.77 KB)
📄 form.h(18.37 KB)
📄 form.priv.h(10.83 KB)
📄 frm_cursor.c(3.56 KB)
📄 frm_data.c(6.28 KB)
📄 frm_def.c(14.15 KB)
📄 frm_driver.c(160.41 KB)
📄 frm_hook.c(6.84 KB)
📄 frm_opts.c(5.35 KB)
📄 frm_page.c(4.43 KB)
📄 frm_post.c(4.91 KB)
📄 frm_req_name.c(6 KB)
📄 frm_scale.c(3.32 KB)
📄 frm_sub.c(3.82 KB)
📄 frm_user.c(3.75 KB)
📄 frm_win.c(3.98 KB)
📄 fty_alnum.c(7.08 KB)
📄 fty_alpha.c(7.05 KB)
📄 fty_enum.c(12.51 KB)
📄 fty_generic.c(11.02 KB)
📄 fty_int.c(8.55 KB)
📄 fty_ipv4.c(4.98 KB)
📄 fty_num.c(9.31 KB)
📄 fty_regex.c(10.01 KB)
📄 headers(2.25 KB)
📄 llib-lform(15.57 KB)
📄 llib-lformt(15.57 KB)
📄 llib-lformtw(15.79 KB)
📄 llib-lformw(15.79 KB)
📄 modules(3.92 KB)

Editing: fty_ipv4.c

/****************************************************************************
 * Copyright 2020 Thomas E. Dickey                                          *
 * Copyright 1998-2006,2009 Free Software Foundation, Inc.                  *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/***************************************************************************
*                                                                          *
*  Author : Per Foreby, perf@efd.lth.se                                    *
*                                                                          *
***************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: fty_ipv4.c,v 1.11 2020/02/02 23:34:34 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  static bool Check_IPV4_Field(
|                                      FIELD * field,
|                                      const void * argp)
|   
|   Description   :  Validate buffer content to be a valid IP number (Ver. 4)
|
|   Return Values :  TRUE  - field is valid
|                    FALSE - field is invalid
+--------------------------------------------------------------------------*/
static bool
Check_IPV4_Field(FIELD *field, const void *argp GCC_UNUSED)
{
  char *bp = field_buffer(field, 0);
  int num = 0, len;
  unsigned int d1, d2, d3, d4;

if (isdigit(UChar(*bp)))	/* Must start with digit */
    {
      num = sscanf(bp, "%u.%u.%u.%u%n", &d1, &d2, &d3, &d4, &len);
      if (num == 4)
	{
	  bp += len;		/* Make bp point to what sscanf() left */
	  while (isspace(UChar(*bp)))
	    bp++;		/* Allow trailing whitespace */
	}
    }
  return ((num != 4 || *bp || d1 > 255 || d2 > 255
	   || d3 > 255 || d4 > 255) ? FALSE : TRUE);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  static bool Check_IPV4_Character(
|                                      int c, 
|                                      const void *argp )
|   
|   Description   :  Check a character for unsigned type or period.
|
|   Return Values :  TRUE  - character is valid
|                    FALSE - character is invalid
+--------------------------------------------------------------------------*/
static bool
Check_IPV4_Character(int c, const void *argp GCC_UNUSED)
{
  return ((isdigit(UChar(c)) || (c == '.')) ? TRUE : FALSE);
}

static FIELDTYPE typeIPV4 =
{
  _RESIDENT,
  1,				/* this is mutable, so we can't be const */
  (FIELDTYPE *)0,
  (FIELDTYPE *)0,
  NULL,
  NULL,
  NULL,
  INIT_FT_FUNC(Check_IPV4_Field),
  INIT_FT_FUNC(Check_IPV4_Character),
  INIT_FT_FUNC(NULL),
  INIT_FT_FUNC(NULL),
#if NCURSES_INTEROP_FUNCS
  NULL
#endif
};

NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_IPV4 = &typeIPV4;

#if NCURSES_INTEROP_FUNCS
/* The next routines are to simplify the use of ncurses from
   programming languages with restictions on interop with C level
   constructs (e.g. variable access or va_list + ellipsis constructs)
*/
NCURSES_EXPORT(FIELDTYPE *)
_nc_TYPE_IPV4(void)
{
  return TYPE_IPV4;
}
#endif

/* fty_ipv4.c ends here */

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Editing: fty_ipv4.c

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