The Tor Browser: comparison intl/icu/source/io/sprintf.c

--1:000000000000
+:5f742dc79d62
+/*
+******************************************************************************
+*
+*   Copyright (C) 2001-2008, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+******************************************************************************
+*
+* File sprintf.c
+*
+* Modification History:
+*
+*   Date        Name            Description
+*   02/08/2001  george          Creation. Copied from uprintf.c
+*   03/27/2002  Mark Schneckloth Many fixes regarding alignment, null termination
+*       (mschneckloth@atomz.com) and other various problems.
+*   08/07/2003  george          Reunify printf implementations
+*******************************************************************************
+*/
+#include "unicode/utypes.h"
+#if !UCONFIG_NO_FORMATTING
+#include "unicode/ustdio.h"
+#include "unicode/ustring.h"
+#include "unicode/putil.h"
+#include "uprintf.h"
+#include "locbund.h"
+#include "cmemory.h"
+#include <ctype.h>
+/* u_minstrncpy copies the minimum number of code units of (count or output->available) */
+static int32_t
+u_sprintf_write(void        *context,
+const UChar *str,
+int32_t     count)
+{
+u_localized_print_string *output = (u_localized_print_string *)context;
+int32_t size = ufmt_min(count, output->available);
+u_strncpy(output->str + (output->len - output->available), str, size);
+output->available -= size;
+return size;
+}
+static int32_t
+u_sprintf_pad_and_justify(void                        *context,
+const u_printf_spec_info    *info,
+const UChar                 *result,
+int32_t                     resultLen)
+{
+u_localized_print_string *output = (u_localized_print_string *)context;
+int32_t written = 0;
+int32_t lengthOfResult = resultLen;
+resultLen = ufmt_min(resultLen, output->available);
+/* pad and justify, if needed */
+if(info->fWidth != -1 && resultLen < info->fWidth) {
+int32_t paddingLeft = info->fWidth - resultLen;
+int32_t outputPos = output->len - output->available;
+if (paddingLeft + resultLen > output->available) {
+paddingLeft = output->available - resultLen;
+if (paddingLeft < 0) {
+paddingLeft = 0;
+}
+/* paddingLeft = output->available - resultLen;*/
+}
+written += paddingLeft;
+/* left justify */
+if(info->fLeft) {
+written += u_sprintf_write(output, result, resultLen);
+u_memset(&output->str[outputPos + resultLen], info->fPadChar, paddingLeft);
+output->available -= paddingLeft;
+}
+/* right justify */
+else {
+u_memset(&output->str[outputPos], info->fPadChar, paddingLeft);
+output->available -= paddingLeft;
+written += u_sprintf_write(output, result, resultLen);
+}
+}
+/* just write the formatted output */
+else {
+written = u_sprintf_write(output, result, resultLen);
+}
+if (written >= 0 && lengthOfResult > written) {
+	return lengthOfResult;
+}
+return written;
+}
+U_CAPI int32_t U_EXPORT2
+u_sprintf(UChar       *buffer,
+const char    *patternSpecification,
+... )
+{
+va_list ap;
+int32_t written;
+va_start(ap, patternSpecification);
+written = u_vsnprintf(buffer, INT32_MAX, patternSpecification, ap);
+va_end(ap);
+return written;
+}
+U_CAPI int32_t U_EXPORT2
+u_sprintf_u(UChar     *buffer,
+const UChar    *patternSpecification,
+... )
+{
+va_list ap;
+int32_t written;
+va_start(ap, patternSpecification);
+written = u_vsnprintf_u(buffer, INT32_MAX, patternSpecification, ap);
+va_end(ap);
+return written;
+}
+U_CAPI int32_t U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
+u_vsprintf(UChar       *buffer,
+const char     *patternSpecification,
+va_list         ap)
+{
+return u_vsnprintf(buffer, INT32_MAX, patternSpecification, ap);
+}
+U_CAPI int32_t U_EXPORT2
+u_snprintf(UChar       *buffer,
+int32_t         count,
+const char    *patternSpecification,
+... )
+{
+va_list ap;
+int32_t written;
+va_start(ap, patternSpecification);
+written = u_vsnprintf(buffer, count, patternSpecification, ap);
+va_end(ap);
+return written;
+}
+U_CAPI int32_t U_EXPORT2
+u_snprintf_u(UChar     *buffer,
+int32_t        count,
+const UChar    *patternSpecification,
+... )
+{
+va_list ap;
+int32_t written;
+va_start(ap, patternSpecification);
+written = u_vsnprintf_u(buffer, count, patternSpecification, ap);
+va_end(ap);
+return written;
+}
+U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
+u_vsnprintf(UChar       *buffer,
+int32_t         count,
+const char     *patternSpecification,
+va_list         ap)
+{
+int32_t written;
+UChar *pattern;
+UChar patBuffer[UFMT_DEFAULT_BUFFER_SIZE];
+int32_t size = (int32_t)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 */
+written = u_vsnprintf_u(buffer, count, pattern, ap);
+/* clean up */
+if (pattern != patBuffer) {
+uprv_free(pattern);
+}
+return written;
+}
+U_CAPI int32_t U_EXPORT2
+u_vsprintf_u(UChar       *buffer,
+const UChar *patternSpecification,
+va_list     ap)
+{
+return u_vsnprintf_u(buffer, INT32_MAX, patternSpecification, ap);
+}
+static const u_printf_stream_handler g_sprintf_stream_handler = {
+u_sprintf_write,
+u_sprintf_pad_and_justify
+};
+U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
+u_vsnprintf_u(UChar    *buffer,
+int32_t        count,
+const UChar    *patternSpecification,
+va_list        ap)
+{
+int32_t          written = 0;   /* haven't written anything yet */
+int32_t			 result = 0; /* test the return value of u_printf_parse */
+u_localized_print_string outStr;
+if (count < 0) {
+count = INT32_MAX;
+}
+outStr.str = buffer;
+outStr.len = count;
+outStr.available = count;
+if(u_locbund_init(&outStr.fBundle, "en_US_POSIX") == 0) {
+return 0;
+}
+/* parse and print the whole format string */
+result = u_printf_parse(&g_sprintf_stream_handler, patternSpecification, &outStr, &outStr, &outStr.fBundle, &written, ap);
+/* Terminate the buffer, if there's room. */
+if (outStr.available > 0) {
+buffer[outStr.len - outStr.available] = 0x0000;
+}
+/* Release the cloned bundle, if we cloned it. */
+u_locbund_close(&outStr.fBundle);
+/* parsing error */
+if (result < 0) {
+	return result;
+}
+/* return # of UChars written */
+return written;
+}
+#endif /* #if !UCONFIG_NO_FORMATTING */

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comparison: intl/icu/source/io/sprintf.c

intl/icu/source/io/sprintf.c