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-rw-r--r--contrib/ncurses/form/fty_int.c160
1 files changed, 160 insertions, 0 deletions
diff --git a/contrib/ncurses/form/fty_int.c b/contrib/ncurses/form/fty_int.c
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index 000000000000..cb690bdaf03d
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+++ b/contrib/ncurses/form/fty_int.c
@@ -0,0 +1,160 @@
+
+/*
+ * 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_int.c,v 1.10 1999/05/16 17:23:22 juergen Exp $")
+
+typedef struct {
+ int precision;
+ long low;
+ long high;
+} integerARG;
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void *Make_Integer_Type( va_list * ap )
+|
+| Description : Allocate structure for integer type argument.
+|
+| Return Values : Pointer to argument structure or NULL on error
++--------------------------------------------------------------------------*/
+static void *Make_Integer_Type(va_list * ap)
+{
+ integerARG *argp = (integerARG *)malloc(sizeof(integerARG));
+
+ if (argp)
+ {
+ argp->precision = va_arg(*ap,int);
+ argp->low = va_arg(*ap,long);
+ argp->high = va_arg(*ap,long);
+ }
+ return (void *)argp;
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void *Copy_Integer_Type(const void * argp)
+|
+| Description : Copy structure for integer type argument.
+|
+| Return Values : Pointer to argument structure or NULL on error.
++--------------------------------------------------------------------------*/
+static void *Copy_Integer_Type(const void * argp)
+{
+ const integerARG *ap = (const integerARG *)argp;
+ integerARG *result = (integerARG *)0;
+
+ if (argp)
+ {
+ result = (integerARG *)malloc(sizeof(integerARG));
+ if (result)
+ *result = *ap;
+ }
+ return (void *)result;
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static void Free_Integer_Type(void * argp)
+|
+| Description : Free structure for integer type argument.
+|
+| Return Values : -
++--------------------------------------------------------------------------*/
+static void Free_Integer_Type(void * argp)
+{
+ if (argp)
+ free(argp);
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static bool Check_Integer_Field(
+| FIELD * field,
+| const void * argp)
+|
+| Description : Validate buffer content to be a valid integer value
+|
+| Return Values : TRUE - field is valid
+| FALSE - field is invalid
++--------------------------------------------------------------------------*/
+static bool Check_Integer_Field(FIELD * field, const void * argp)
+{
+ const integerARG *argi = (const integerARG *)argp;
+ long low = argi->low;
+ long high = argi->high;
+ int prec = argi->precision;
+ unsigned char *bp = (unsigned char *)field_buffer(field,0);
+ char *s = (char *)bp;
+ long val;
+ char buf[100];
+
+ while( *bp && *bp==' ') bp++;
+ if (*bp)
+ {
+ if (*bp=='-') bp++;
+ while (*bp)
+ {
+ if (!isdigit(*bp)) break;
+ bp++;
+ }
+ while(*bp && *bp==' ') bp++;
+ if (*bp=='\0')
+ {
+ val = atol(s);
+ if (low<high)
+ {
+ if (val<low || val>high) return FALSE;
+ }
+ sprintf(buf,"%.*ld",(prec>0?prec:0),val);
+ set_field_buffer(field,0,buf);
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+/*---------------------------------------------------------------------------
+| Facility : libnform
+| Function : static bool Check_Integer_Character(
+| int c,
+| const void * argp)
+|
+| Description : Check a character for the integer type.
+|
+| Return Values : TRUE - character is valid
+| FALSE - character is invalid
++--------------------------------------------------------------------------*/
+static bool Check_Integer_Character(int c, const void * argp GCC_UNUSED)
+{
+ return ((isdigit(c) || (c=='-')) ? TRUE : FALSE);
+}
+
+static FIELDTYPE typeINTEGER = {
+ _HAS_ARGS | _RESIDENT,
+ 1, /* this is mutable, so we can't be const */
+ (FIELDTYPE *)0,
+ (FIELDTYPE *)0,
+ Make_Integer_Type,
+ Copy_Integer_Type,
+ Free_Integer_Type,
+ Check_Integer_Field,
+ Check_Integer_Character,
+ NULL,
+ NULL
+};
+
+FIELDTYPE* TYPE_INTEGER = &typeINTEGER;
+
+/* fty_int.c ends here */