The Tor Browser: intl/icu/source/io/sscanf.c@fc2d59ddac77

     1 /*

     2 ******************************************************************************

3 *

     4 *   Copyright (C) 2000-2004, International Business Machines

     5 *   Corporation and others.  All Rights Reserved.

6 *

     7 ******************************************************************************

8 *

     9 * File sscanf.c

    10 *

    11 * Modification History:

    12 *

    13 *   Date        Name        Description

    14 *   02/08/00    george      Creation. Copied from uscanf.c

    15 ******************************************************************************

    16 */

    18 #include "unicode/utypes.h"

    20 #if !UCONFIG_NO_FORMATTING

    22 #include "unicode/putil.h"

    23 #include "unicode/ustdio.h"

    24 #include "unicode/ustring.h"

    25 #include "uscanf.h"

    26 #include "ufile.h"

    27 #include "ufmt_cmn.h"

    29 #include "cmemory.h"

    30 #include "cstring.h"

    33 U_CAPI int32_t U_EXPORT2

    34 u_sscanf(const UChar   *buffer,

    35          const char    *patternSpecification,

    36          ... )

    37 {

    38     va_list ap;

    39     int32_t converted;

    41     va_start(ap, patternSpecification);

    42     converted = u_vsscanf(buffer, patternSpecification, ap);

    43     va_end(ap);

    45     return converted;

    46 }

    48 U_CAPI int32_t U_EXPORT2

    49 u_sscanf_u(const UChar    *buffer,

    50            const UChar    *patternSpecification,

    51            ... )

    52 {

    53     va_list ap;

    54     int32_t converted;

    56     va_start(ap, patternSpecification);

    57     converted = u_vsscanf_u(buffer, patternSpecification, ap);

    58     va_end(ap);

    60     return converted;

    61 }

    63 U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */

    64 u_vsscanf(const UChar   *buffer,

    65           const char    *patternSpecification,

    66           va_list        ap)

    67 {

    68     int32_t converted;

    69     UChar *pattern;

    70     UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];

    71     int32_t size = (int32_t)uprv_strlen(patternSpecification) + 1;

    73     /* convert from the default codepage to Unicode */

    74     if (size >= MAX_UCHAR_BUFFER_SIZE(patBuffer)) {

    75         pattern = (UChar *)uprv_malloc(size * sizeof(UChar));

    76         if(pattern == 0) {

    77             return 0;

    78         }

    79     }

    80     else {

    81         pattern = patBuffer;

    82     }

    83     u_charsToUChars(patternSpecification, pattern, size);

    85     /* do the work */

    86     converted = u_vsscanf_u(buffer, pattern, ap);

    88     /* clean up */

    89     if (pattern != patBuffer) {

    90         uprv_free(pattern);

    91     }

    93     return converted;

    94 }

    96 U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */

    97 u_vsscanf_u(const UChar *buffer,

    98             const UChar *patternSpecification,

    99             va_list     ap)

   100 {

   101     int32_t         converted;

   102     UFILE           inStr;

   104     inStr.fConverter = NULL;

   105     inStr.fFile = NULL;

   106     inStr.fOwnFile = FALSE;

   107 #if !UCONFIG_NO_TRANSLITERATION

   108     inStr.fTranslit = NULL;

   109 #endif

   110     inStr.fUCBuffer[0] = 0;

   111     inStr.str.fBuffer = (UChar *)buffer;

   112     inStr.str.fPos = (UChar *)buffer;

   113     inStr.str.fLimit = buffer + u_strlen(buffer);

   115     if(u_locbund_init(&inStr.str.fBundle, "en_US_POSIX") == 0) {

   116         return 0;

   117     }

   119     converted = u_scanf_parse(&inStr, patternSpecification, ap);

   121     u_locbund_close(&inStr.str.fBundle);

   123     /* return # of items converted */

   124     return converted;

   125 }

   127 #endif /* #if !UCONFIG_NO_FORMATTING */

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