Check in the pristine copy of ICU 4.6...

icu46/source/io/sscanf.c

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