131 lines
3.2 KiB
C++
131 lines
3.2 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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******************************************************************************
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*
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* Copyright (C) 2000-2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************
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*
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* File sscanf.c
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*
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* Modification History:
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*
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* Date Name Description
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* 02/08/00 george Creation. Copied from uscanf.c
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******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING && !UCONFIG_NO_CONVERSION
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#include "unicode/putil.h"
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#include "unicode/ustdio.h"
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#include "unicode/ustring.h"
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#include "uscanf.h"
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#include "ufile.h"
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#include "ufmt_cmn.h"
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#include "cmemory.h"
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#include "cstring.h"
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U_CAPI int32_t U_EXPORT2
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u_sscanf(const UChar *buffer,
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const char *patternSpecification,
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... )
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{
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va_list ap;
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int32_t converted;
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va_start(ap, patternSpecification);
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converted = u_vsscanf(buffer, patternSpecification, ap);
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va_end(ap);
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return converted;
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}
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U_CAPI int32_t U_EXPORT2
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u_sscanf_u(const UChar *buffer,
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const UChar *patternSpecification,
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... )
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{
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va_list ap;
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int32_t converted;
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va_start(ap, patternSpecification);
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converted = u_vsscanf_u(buffer, patternSpecification, ap);
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va_end(ap);
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return converted;
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}
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U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
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u_vsscanf(const UChar *buffer,
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const char *patternSpecification,
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va_list ap)
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{
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int32_t converted;
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UChar *pattern;
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UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
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int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1;
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/* convert from the default codepage to Unicode */
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if (size >= (int32_t)MAX_UCHAR_BUFFER_SIZE(patBuffer)) {
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pattern = (UChar *)uprv_malloc(size * sizeof(UChar));
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if(pattern == 0) {
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return 0;
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}
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}
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else {
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pattern = patBuffer;
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}
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u_charsToUChars(patternSpecification, pattern, size);
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/* do the work */
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converted = u_vsscanf_u(buffer, pattern, ap);
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/* clean up */
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if (pattern != patBuffer) {
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uprv_free(pattern);
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}
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return converted;
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}
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U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
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u_vsscanf_u(const UChar *buffer,
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const UChar *patternSpecification,
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va_list ap)
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{
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int32_t converted;
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UFILE inStr;
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inStr.fConverter = NULL;
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inStr.fFile = NULL;
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inStr.fOwnFile = FALSE;
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#if !UCONFIG_NO_TRANSLITERATION
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inStr.fTranslit = NULL;
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#endif
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inStr.fUCBuffer[0] = 0;
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inStr.str.fBuffer = (UChar *)buffer;
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inStr.str.fPos = (UChar *)buffer;
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inStr.str.fLimit = buffer + u_strlen(buffer);
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if(u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == 0) {
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return 0;
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}
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converted = u_scanf_parse(&inStr, patternSpecification, ap);
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u_locbund_close(&inStr.str.fBundle);
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/* return # of items converted */
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return converted;
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}
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#endif /* #if !UCONFIG_NO_FORMATTING */
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