The Tor Browser: intl/icu/source/io/uprintf.c@6474c204b198 (annotated)

intl/icu/source/io/uprintf.c@6474c204b198 (annotated)

intl/icu/source/io/uprintf.c

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
 ******************************************************************************
 *
 *   Copyright (C) 1998-2012, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 *
 ******************************************************************************
 *
 * File uprintf.c
 *
 * Modification History:
 *
 *   Date        Name        Description
 *   11/19/98    stephen     Creation.
 *   03/12/99    stephen     Modified for new C API.
 *                           Added conversion from default codepage.
 *   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/unum.h"
 #include "unicode/udat.h"
 #include "unicode/putil.h"
 #include "uprintf.h"
 #include "ufile.h"
 #include "ucln_io.h"
 #include "locbund.h"
 #include "cmemory.h"
 static UFILE *gStdOut = NULL;
 static UBool U_CALLCONV uprintf_cleanup(void)
 {
     if (gStdOut != NULL) {
         u_fclose(gStdOut);
         gStdOut = NULL;
     }
     return TRUE;
 }
 U_CAPI UFILE * U_EXPORT2
 u_get_stdout()
 {
     if (gStdOut == NULL) {
         gStdOut = u_finit(stdout, NULL, NULL);
         ucln_io_registerCleanup(UCLN_IO_PRINTF, &uprintf_cleanup);
     }
     return gStdOut;
 }
 static int32_t U_EXPORT2
 u_printf_write(void          *context,
                const UChar   *str,
                int32_t       count)
 {
     return u_file_write(str, count, (UFILE *)context);
 }
 static int32_t
 u_printf_pad_and_justify(void                        *context,
                          const u_printf_spec_info    *info,
                          const UChar                 *result,
                          int32_t                     resultLen)
 {
     UFILE   *output = (UFILE *)context;
     int32_t written, i;
     /* pad and justify, if needed */
     if(info->fWidth != -1 && resultLen < info->fWidth) {
         /* left justify */
         if(info->fLeft) {
             written = u_file_write(result, resultLen, output);
             for(i = 0; i < info->fWidth - resultLen; ++i) {
                 written += u_file_write(&info->fPadChar, 1, output);
             }
         }
         /* right justify */
         else {
             written = 0;
             for(i = 0; i < info->fWidth - resultLen; ++i) {
                 written += u_file_write(&info->fPadChar, 1, output);
             }
             written += u_file_write(result, resultLen, output);
         }
     }
     /* just write the formatted output */
     else {
         written = u_file_write(result, resultLen, output);
     }
     return written;
 }
 U_CAPI int32_t U_EXPORT2
 u_fprintf(    UFILE        *f,
           const char    *patternSpecification,
           ... )
 {
     va_list ap;
     int32_t count;
     va_start(ap, patternSpecification);
     count = u_vfprintf(f, patternSpecification, ap);
     va_end(ap);
     return count;
 }
 U_CAPI int32_t U_EXPORT2
 u_printf(const char *patternSpecification,
          ...)
 {
     va_list ap;
     int32_t count;
     va_start(ap, patternSpecification);
     count = u_vfprintf(u_get_stdout(), patternSpecification, ap);
     va_end(ap);
     return count;
 }
 U_CAPI int32_t U_EXPORT2
 u_fprintf_u(    UFILE        *f,
             const UChar    *patternSpecification,
             ... )
 {
     va_list ap;
     int32_t count;
     va_start(ap, patternSpecification);
     count = u_vfprintf_u(f, patternSpecification, ap);
     va_end(ap);
     return count;
 }
 U_CAPI int32_t U_EXPORT2
 u_printf_u(const UChar *patternSpecification,
            ...)
 {
     va_list ap;
     int32_t count;
     va_start(ap, patternSpecification);
     count = u_vfprintf_u(u_get_stdout(), patternSpecification, ap);
     va_end(ap);
     return count;
 }
 U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
 u_vfprintf(    UFILE        *f,
            const char    *patternSpecification,
            va_list        ap)
 {
     int32_t count;
     UChar *pattern;
     UChar buffer[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(buffer)) {
         pattern = (UChar *)uprv_malloc(size * sizeof(UChar));
         if(pattern == 0) {
             return 0;
         }
     }
     else {
         pattern = buffer;
     }
     u_charsToUChars(patternSpecification, pattern, size);
     /* do the work */
     count = u_vfprintf_u(f, pattern, ap);
     /* clean up */
     if (pattern != buffer) {
         uprv_free(pattern);
     }
     return count;
 }
 static const u_printf_stream_handler g_stream_handler = {
     u_printf_write,
     u_printf_pad_and_justify
 };
 U_CAPI int32_t  U_EXPORT2 /* U_CAPI ... U_EXPORT2 added by Peter Kirk 17 Nov 2001 */
 u_vfprintf_u(    UFILE        *f,
              const UChar    *patternSpecification,
              va_list        ap)
 {
     int32_t          written = 0;   /* haven't written anything yet */
     /* parse and print the whole format string */
     u_printf_parse(&g_stream_handler, patternSpecification, f, NULL, &f->str.fBundle, &written, ap);
     /* return # of UChars written */
     return written;
 }
 #endif /* #if !UCONFIG_NO_FORMATTING */

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intl/icu/source/io/uprintf.c@6474c204b198 (annotated)

intl/icu/source/io/uprintf.c