*/
/***************************************************************************
* *
-* Author : Juergen Pfeifer, Juergen.Pfeifer@T-Online.de *
+* Author : Juergen Pfeifer *
* *
***************************************************************************/
#include "form.priv.h"
-MODULE_ID("$Id: fty_regex.c,v 1.11 1997/10/18 19:32:35 tom Exp $")
+MODULE_ID("$Id: fty_regex.c,v 1.18 2004/05/29 19:19:09 tom Exp $")
-#if HAVE_REGEX_H_FUNCS /* We prefer POSIX regex */
+#if HAVE_REGEX_H_FUNCS /* We prefer POSIX regex */
#include <regex.h>
typedef struct
-{
- regex_t *pRegExp;
- unsigned long *refCount;
-} RegExp_Arg;
+ {
+ regex_t *pRegExp;
+ unsigned long *refCount;
+ }
+RegExp_Arg;
#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS
#undef RETURN
static int reg_errno;
-static char *RegEx_Init(char *instring)
+static char *
+RegEx_Init(char *instring)
{
- reg_errno = 0;
- return instring;
+ reg_errno = 0;
+ return instring;
}
-static char *RegEx_Error(int code)
+static char *
+RegEx_Error(int code)
{
- reg_errno = code;
- return 0;
+ reg_errno = code;
+ return 0;
}
#define INIT register char *sp = RegEx_Init(instring);
{
char *compiled_expression;
unsigned long *refCount;
-} RegExp_Arg;
+}
+RegExp_Arg;
/* Maximum Length we allow for a compiled regular expression */
#define MAX_RX_LEN (2048)
#endif
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static void *Make_RegularExpression_Type(va_list * ap)
-|
+|
| Description : Allocate structure for regex type argument.
|
| Return Values : Pointer to argument structure or NULL on error
+--------------------------------------------------------------------------*/
-static void *Make_RegularExpression_Type(va_list * ap)
+static void *
+Make_RegularExpression_Type(va_list *ap)
{
#if HAVE_REGEX_H_FUNCS
- char *rx = va_arg(*ap,char *);
+ char *rx = va_arg(*ap, char *);
RegExp_Arg *preg;
- preg = (RegExp_Arg*)malloc(sizeof(RegExp_Arg));
+ preg = (RegExp_Arg *)malloc(sizeof(RegExp_Arg));
+
if (preg)
{
- if (((preg->pRegExp = (regex_t*)malloc(sizeof(regex_t))) != (regex_t*)0)
- && !regcomp(preg->pRegExp,rx,
- (REG_EXTENDED | REG_NOSUB | REG_NEWLINE) ))
+ if (((preg->pRegExp = (regex_t *) malloc(sizeof(regex_t))) != 0)
+ && !regcomp(preg->pRegExp, rx,
+ (REG_EXTENDED | REG_NOSUB | REG_NEWLINE)))
{
preg->refCount = (unsigned long *)malloc(sizeof(unsigned long));
+
*(preg->refCount) = 1;
}
else
if (preg->pRegExp)
free(preg->pRegExp);
free(preg);
- preg = (RegExp_Arg*)0;
+ preg = (RegExp_Arg *)0;
}
}
- return((void *)preg);
+ return ((void *)preg);
#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS
- char *rx = va_arg(*ap,char *);
+ char *rx = va_arg(*ap, char *);
RegExp_Arg *pArg;
pArg = (RegExp_Arg *)malloc(sizeof(RegExp_Arg));
-
+
if (pArg)
{
int blen = RX_INCREMENT;
+
pArg->compiled_expression = NULL;
pArg->refCount = (unsigned long *)malloc(sizeof(unsigned long));
+
*(pArg->refCount) = 1;
- do {
- char *buf = (char *)malloc(blen);
- if (buf)
- {
+ do
+ {
+ char *buf = (char *)malloc(blen);
+
+ if (buf)
+ {
#if HAVE_REGEXP_H_FUNCS
- char *last_pos = compile (rx, buf, &buf[blen], '\0');
-#else
- char *last_pos = compile (rx, buf, &buf[blen], '\0');
+ char *last_pos = compile(rx, buf, &buf[blen], '\0');
+
+#else /* HAVE_REGEXPR_H_FUNCS */
+ char *last_pos = compile(rx, buf, &buf[blen]);
#endif
- if (reg_errno)
- {
- free(buf);
- if (reg_errno==50)
- blen += RX_INCREMENT;
- else
- {
- free(pArg);
- pArg = NULL;
- break;
- }
- }
- else
- {
- pArg->compiled_expression = buf;
- break;
- }
- }
- } while( blen <= MAX_RX_LEN );
+ if (reg_errno)
+ {
+ free(buf);
+ if (reg_errno == 50)
+ blen += RX_INCREMENT;
+ else
+ {
+ free(pArg);
+ pArg = NULL;
+ break;
+ }
+ }
+ else
+ {
+ pArg->compiled_expression = buf;
+ break;
+ }
+ }
+ }
+ while (blen <= MAX_RX_LEN);
}
if (pArg && !pArg->compiled_expression)
{
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static void *Copy_RegularExpression_Type(
| const void * argp)
-|
-| Description : Copy structure for regex type argument.
+|
+| Description : Copy structure for regex type argument.
|
| Return Values : Pointer to argument structure or NULL on error.
+--------------------------------------------------------------------------*/
-static void *Copy_RegularExpression_Type(const void * argp)
+static void *
+Copy_RegularExpression_Type(const void *argp)
{
#if (HAVE_REGEX_H_FUNCS | HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS)
const RegExp_Arg *ap = (const RegExp_Arg *)argp;
- const RegExp_Arg *result = (const RegExp_Arg *)0;
-
+ const RegExp_Arg *result = (const RegExp_Arg *)0;
+
if (ap)
{
*(ap->refCount) += 1;
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static void Free_RegularExpression_Type(void * argp)
-|
+|
| Description : Free structure for regex type argument.
|
| Return Values : -
+--------------------------------------------------------------------------*/
-static void Free_RegularExpression_Type(void * argp)
+static void
+Free_RegularExpression_Type(void *argp)
{
#if HAVE_REGEX_H_FUNCS | HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS
RegExp_Arg *ap = (RegExp_Arg *)argp;
+
if (ap)
{
if (--(*(ap->refCount)) == 0)
}
/*---------------------------------------------------------------------------
-| Facility : libnform
+| Facility : libnform
| Function : static bool Check_RegularExpression_Field(
| FIELD * field,
| const void * argp)
-|
+|
| Description : Validate buffer content to be a valid regular expression
|
| Return Values : TRUE - field is valid
| FALSE - field is invalid
+--------------------------------------------------------------------------*/
-static bool Check_RegularExpression_Field(FIELD * field, const void * argp)
+static bool
+Check_RegularExpression_Field(FIELD *field, const void *argp)
{
bool match = FALSE;
+
#if HAVE_REGEX_H_FUNCS
- const RegExp_Arg *ap = (const RegExp_Arg*)argp;
+ const RegExp_Arg *ap = (const RegExp_Arg *)argp;
+
if (ap && ap->pRegExp)
- match = (regexec(ap->pRegExp,field_buffer(field,0),0,NULL,0) ? FALSE:TRUE);
+ match = (regexec(ap->pRegExp, field_buffer(field, 0), 0, NULL, 0)
+ ? FALSE
+ : TRUE);
#elif HAVE_REGEXP_H_FUNCS | HAVE_REGEXPR_H_FUNCS
RegExp_Arg *ap = (RegExp_Arg *)argp;
+
if (ap && ap->compiled_expression)
- match = (step(field_buffer(field,0),ap->compiled_expression) ? TRUE:FALSE);
+ match = (step(field_buffer(field, 0), ap->compiled_expression)
+ ? TRUE
+ : FALSE);
#endif
return match;
}
-static FIELDTYPE typeREGEXP = {
+static FIELDTYPE typeREGEXP =
+{
_HAS_ARGS | _RESIDENT,
- 1, /* this is mutable, so we can't be const */
+ 1, /* this is mutable, so we can't be const */
(FIELDTYPE *)0,
(FIELDTYPE *)0,
Make_RegularExpression_Type,
NULL
};
-FIELDTYPE* TYPE_REGEXP = &typeREGEXP;
+NCURSES_EXPORT_VAR(FIELDTYPE*) TYPE_REGEXP = &typeREGEXP;
/* fty_regex.c ends here */
projects / ncurses.git / blobdiff