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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_alpha.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_alpha.c')
-rw-r--r--contrib/ncurses/form/fty_alpha.c138
1 files changed, 138 insertions, 0 deletions
diff --git a/contrib/ncurses/form/fty_alpha.c b/contrib/ncurses/form/fty_alpha.c
new file mode 100644
index 000000000000..3dd8f2cb142e
--- /dev/null
+++ b/contrib/ncurses/form/fty_alpha.c
@@ -0,0 +1,138 @@
+
+/*
+ * 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 : Juergen Pfeifer, juergen.pfeifer@gmx.net *
+* *
+***************************************************************************/
+
+#include "form.priv.h"
+
+MODULE_ID("$Id: fty_alpha.c,v 1.9 1999/05/16 17:22:58 juergen Exp $")
+
+typedef struct {
+ int width;
+} alphaARG;
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void *Make_Alpha_Type(va_list *ap)
+|
+| Description : Allocate structure for alpha type argument.
+|
+| Return Values : Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *Make_Alpha_Type(va_list * ap)
+{
+ alphaARG *argp = (alphaARG *)malloc(sizeof(alphaARG));
+ if (argp)
+ {
+ argp->width = va_arg(*ap,int);
+ }
+ return ((void *)argp);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void *Copy_Alpha_Type(const void * argp)
+|
+| Description : Copy structure for alpha type argument.
+|
+| Return Values : Pointer to argument structure or NULL on error.
++--------------------------------------------------------------------------*/
+static void *Copy_Alpha_Type(const void * argp)
+{
+ const alphaARG *ap = (const alphaARG *)argp;
+ alphaARG *result = (alphaARG *)malloc(sizeof(alphaARG));
+
+ if (result)
+ {
+ *result = *ap;
+ }
+ return ((void *)result);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void Free_Alpha_Type( void * argp )
+|
+| Description : Free structure for alpha type argument.
+|
+| Return Values : -
++--------------------------------------------------------------------------*/
+static void Free_Alpha_Type(void * argp)
+{
+ if (argp)
+ free(argp);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static bool Check_Alpha_Field(
+| FIELD * field,
+| const void * argp)
+|
+| Description : Validate buffer content to be a valid alpha value
+|
+| Return Values : TRUE - field is valid
+| FALSE - field is invalid
++--------------------------------------------------------------------------*/
+static bool Check_Alpha_Field(FIELD * field, const void * argp)
+{
+ int width = ((const alphaARG *)argp)->width;
+ unsigned char *bp = (unsigned char *)field_buffer(field,0);
+ int l = -1;
+ unsigned char *s;
+
+ while(*bp && *bp==' ')
+ bp++;
+ if (*bp)
+ {
+ s = bp;
+ while(*bp && isalpha(*bp))
+ bp++;
+ l = (int)(bp-s);
+ while(*bp && *bp==' ')
+ bp++;
+ }
+ return ((*bp || (l < width)) ? FALSE : TRUE);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static bool Check_Alpha_Character(
+| int c,
+| const void * argp)
+|
+| Description : Check a character for the alpha type.
+|
+| Return Values : TRUE - character is valid
+| FALSE - character is invalid
++--------------------------------------------------------------------------*/
+static bool Check_Alpha_Character(int c, const void * argp GCC_UNUSED)
+{
+ return (isalpha(c) ? TRUE : FALSE);
+}
+
+static FIELDTYPE typeALPHA = {
+ _HAS_ARGS | _RESIDENT,
+ 1, /* this is mutable, so we can't be const */
+ (FIELDTYPE *)0,
+ (FIELDTYPE *)0,
+ Make_Alpha_Type,
+ Copy_Alpha_Type,
+ Free_Alpha_Type,
+ Check_Alpha_Field,
+ Check_Alpha_Character,
+ NULL,
+ NULL
+};
+
+FIELDTYPE* TYPE_ALPHA = &typeALPHA;
+
+/* fty_alpha.c ends here */