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authorPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
committerPeter Wemm <peter@FreeBSD.org>1999-08-24 01:06:48 +0000
commit0e3d540892016a47f6a68ec9ba2879d35ce5f7c2 (patch)
treead214c5b2c8142ad6dc6d2ce3a9c83e6317d7f77 /contrib/ncurses/form/fty_ipv4.c
downloadsrc-0e3d540892016a47f6a68ec9ba2879d35ce5f7c2.tar.gz
src-0e3d540892016a47f6a68ec9ba2879d35ce5f7c2.zip
Import unmodified (but trimmed) ncurses 5.0 prerelease 990821.vendor/ncurses/5.0-19990821
This contains the full eti (panel, form, menu) extensions. bmake glue to follow. Obtained from: ftp://ftp.clark.net/pub/dickey/ncurses
Notes
Notes: svn path=/vendor/ncurses/dist/; revision=50276 svn path=/vendor/ncurses/5.0-19990821/; revision=50278; tag=vendor/ncurses/5.0-19990821
Diffstat (limited to 'contrib/ncurses/form/fty_ipv4.c')
-rw-r--r--contrib/ncurses/form/fty_ipv4.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/contrib/ncurses/form/fty_ipv4.c b/contrib/ncurses/form/fty_ipv4.c
new file mode 100644
index 000000000000..064c02c8fa78
--- /dev/null
+++ b/contrib/ncurses/form/fty_ipv4.c
@@ -0,0 +1,81 @@
+
+/*
+ * THIS CODE IS SPECIFICALLY EXEMPTED FROM THE NCURSES PACKAGE COPYRIGHT.
+ * You may freely copy it for use as a template for your own field types.
+ * If you develop a field type that might be of general use, please send
+ * it back to the ncurses maintainers for inclusion in the next version.
+ */
+/***************************************************************************
+* *
+* Author : Per Foreby, perf@efd.lth.se *
+* *
+***************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: fty_ipv4.c,v 1.2 1997/04/26 22:06:00 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(*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 (*bp && isspace(*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(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,
+ Check_IPV4_Field,
+ Check_IPV4_Character,
+ NULL,
+ NULL
+};
+
+FIELDTYPE* TYPE_IPV4 = &typeIPV4;
+
+/* fty_ipv4.c ends here */