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	1	// © 2016 and later: Unicode, Inc. and others.
	2	// License & terms of use: http://www.unicode.org/copyright.html
	3	/*
	4	******************************************************************************
	5	*
	6	* Copyright (C) 2000-2014, International Business Machines
	7	* Corporation and others. All Rights Reserved.
	8	*
	9	******************************************************************************
	10	*
	11	* File sscanf.c
	12	*
	13	* Modification History:
	14	*
	15	* Date Name Description
	16	* 02/08/00 george Creation. Copied from uscanf.c
	17	******************************************************************************
	18	*/
	19
	20	#include "unicode/utypes.h"
	21
	22	#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_CONVERSION
	23
	24	#include "unicode/putil.h"
	25	#include "unicode/ustdio.h"
	26	#include "unicode/ustring.h"
	27	#include "uscanf.h"
	28	#include "ufile.h"
	29	#include "ufmt_cmn.h"
	30
	31	#include "cmemory.h"
	32	#include "cstring.h"
	33
	34
	35	U_CAPI int32_t U_EXPORT2
	36	u_sscanf(const UChar *buffer,
	37	const char *patternSpecification,
	38	... )
	39	{
	40	va_list ap;
	41	int32_t converted;
	42
	43	va_start(ap, patternSpecification);
	44	converted = u_vsscanf(buffer, patternSpecification, ap);
	45	va_end(ap);
	46
	47	return converted;
	48	}
	49
	50	U_CAPI int32_t U_EXPORT2
	51	u_sscanf_u(const UChar *buffer,
	52	const UChar *patternSpecification,
	53	... )
	54	{
	55	va_list ap;
	56	int32_t converted;
	57
	58	va_start(ap, patternSpecification);
	59	converted = u_vsscanf_u(buffer, patternSpecification, ap);
	60	va_end(ap);
	61
	62	return converted;
	63	}
	64
	65	U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
	66	u_vsscanf(const UChar *buffer,
	67	const char *patternSpecification,
	68	va_list ap)
	69	{
	70	int32_t converted;
	71	UChar *pattern;
	72	UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
	73	int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1;
	74
	75	/* convert from the default codepage to Unicode */
	76	if (size >= (int32_t)MAX_UCHAR_BUFFER_SIZE(patBuffer)) {
	77	pattern = (UChar )uprv_malloc(size sizeof(UChar));
	78	if(pattern == 0) {
	79	return 0;
	80	}
	81	}
	82	else {
	83	pattern = patBuffer;
	84	}
	85	u_charsToUChars(patternSpecification, pattern, size);
	86
	87	/* do the work */
	88	converted = u_vsscanf_u(buffer, pattern, ap);
	89
	90	/* clean up */
	91	if (pattern != patBuffer) {
	92	uprv_free(pattern);
	93	}
	94
	95	return converted;
	96	}
	97
	98	U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
	99	u_vsscanf_u(const UChar *buffer,
	100	const UChar *patternSpecification,
	101	va_list ap)
	102	{
	103	int32_t converted;
	104	UFILE inStr;
	105
	106	inStr.fConverter = NULL;
	107	inStr.fFile = NULL;
	108	inStr.fOwnFile = FALSE;
	109	#if !UCONFIG_NO_TRANSLITERATION
	110	inStr.fTranslit = NULL;
	111	#endif
	112	inStr.fUCBuffer[0] = 0;
	113	inStr.str.fBuffer = (UChar *)buffer;
	114	inStr.str.fPos = (UChar *)buffer;
	115	inStr.str.fLimit = buffer + u_strlen(buffer);
	116
	117	if(u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == 0) {
	118	return 0;
	119	}
	120
	121	converted = u_scanf_parse(&inStr, patternSpecification, ap);
	122
	123	u_locbund_close(&inStr.str.fBundle);
	124
	125	/* return # of items converted */
	126	return converted;
	127	}
	128
	129	#endif /* #if !UCONFIG_NO_FORMATTING */
	130