michael@0: /*
michael@0: ******************************************************************************
michael@0: *
michael@0: *   Copyright (C) 2000-2004, International Business Machines
michael@0: *   Corporation and others.  All Rights Reserved.
michael@0: *
michael@0: ******************************************************************************
michael@0: *
michael@0: * File sscanf.c
michael@0: *
michael@0: * Modification History:
michael@0: *
michael@0: *   Date        Name        Description
michael@0: *   02/08/00    george      Creation. Copied from uscanf.c
michael@0: ******************************************************************************
michael@0: */
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: 
michael@0: #if !UCONFIG_NO_FORMATTING
michael@0: 
michael@0: #include "unicode/putil.h"
michael@0: #include "unicode/ustdio.h"
michael@0: #include "unicode/ustring.h"
michael@0: #include "uscanf.h"
michael@0: #include "ufile.h"
michael@0: #include "ufmt_cmn.h"
michael@0: 
michael@0: #include "cmemory.h"
michael@0: #include "cstring.h"
michael@0: 
michael@0: 
michael@0: U_CAPI int32_t U_EXPORT2
michael@0: u_sscanf(const UChar   *buffer,
michael@0:          const char    *patternSpecification,
michael@0:          ... )
michael@0: {
michael@0:     va_list ap;
michael@0:     int32_t converted;
michael@0: 
michael@0:     va_start(ap, patternSpecification);
michael@0:     converted = u_vsscanf(buffer, patternSpecification, ap);
michael@0:     va_end(ap);
michael@0: 
michael@0:     return converted;
michael@0: }
michael@0: 
michael@0: U_CAPI int32_t U_EXPORT2
michael@0: u_sscanf_u(const UChar    *buffer,
michael@0:            const UChar    *patternSpecification,
michael@0:            ... )
michael@0: {
michael@0:     va_list ap;
michael@0:     int32_t converted;
michael@0: 
michael@0:     va_start(ap, patternSpecification);
michael@0:     converted = u_vsscanf_u(buffer, patternSpecification, ap);
michael@0:     va_end(ap);
michael@0: 
michael@0:     return converted;
michael@0: }
michael@0: 
michael@0: U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
michael@0: u_vsscanf(const UChar   *buffer,
michael@0:           const char    *patternSpecification,
michael@0:           va_list        ap)
michael@0: {
michael@0:     int32_t converted;
michael@0:     UChar *pattern;
michael@0:     UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
michael@0:     int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1;
michael@0: 
michael@0:     /* convert from the default codepage to Unicode */
michael@0:     if (size >= MAX_UCHAR_BUFFER_SIZE(patBuffer)) {
michael@0:         pattern = (UChar *)uprv_malloc(size * sizeof(UChar));
michael@0:         if(pattern == 0) {
michael@0:             return 0;
michael@0:         }
michael@0:     }
michael@0:     else {
michael@0:         pattern = patBuffer;
michael@0:     }
michael@0:     u_charsToUChars(patternSpecification, pattern, size);
michael@0: 
michael@0:     /* do the work */
michael@0:     converted = u_vsscanf_u(buffer, pattern, ap);
michael@0: 
michael@0:     /* clean up */
michael@0:     if (pattern != patBuffer) {
michael@0:         uprv_free(pattern);
michael@0:     }
michael@0: 
michael@0:     return converted;
michael@0: }
michael@0: 
michael@0: U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
michael@0: u_vsscanf_u(const UChar *buffer,
michael@0:             const UChar *patternSpecification,
michael@0:             va_list     ap)
michael@0: {
michael@0:     int32_t         converted;
michael@0:     UFILE           inStr;
michael@0: 
michael@0:     inStr.fConverter = NULL;
michael@0:     inStr.fFile = NULL;
michael@0:     inStr.fOwnFile = FALSE;
michael@0: #if !UCONFIG_NO_TRANSLITERATION
michael@0:     inStr.fTranslit = NULL;
michael@0: #endif
michael@0:     inStr.fUCBuffer[0] = 0;
michael@0:     inStr.str.fBuffer = (UChar *)buffer;
michael@0:     inStr.str.fPos = (UChar *)buffer;
michael@0:     inStr.str.fLimit = buffer + u_strlen(buffer);
michael@0: 
michael@0:     if(u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == 0) {
michael@0:         return 0;
michael@0:     }
michael@0: 
michael@0:     converted = u_scanf_parse(&inStr, patternSpecification, ap);
michael@0: 
michael@0:     u_locbund_close(&inStr.str.fBundle);
michael@0: 
michael@0:     /* return # of items converted */
michael@0:     return converted;
michael@0: }
michael@0: 
michael@0: #endif /* #if !UCONFIG_NO_FORMATTING */
michael@0: