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https://sourceware.org/git/binutils-gdb.git
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a2c5833233
The result of running etc/update-copyright.py --this-year, fixing all the files whose mode is changed by the script, plus a build with --enable-maintainer-mode --enable-cgen-maint=yes, then checking out */po/*.pot which we don't update frequently. The copy of cgen was with commit d1dd5fcc38ead reverted as that commit breaks building of bfp opcodes files.
297 lines
7.3 KiB
C
297 lines
7.3 KiB
C
/* Provide a version of _doprnt in terms of fprintf.
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Copyright (C) 1998-2022 Free Software Foundation, Inc.
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Contributed by Kaveh Ghazi (ghazi@caip.rutgers.edu) 3/29/98
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#include "config.h"
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#include "ansidecl.h"
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#include "safe-ctype.h"
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#include <stdio.h>
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#include <stdarg.h>
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#undef _doprnt
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#ifdef HAVE__DOPRNT
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#define TEST
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#endif
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#ifdef TEST /* Make sure to use the internal one. */
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#define _doprnt my_doprnt
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#endif
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#define COPY_VA_INT \
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do { \
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const int value = abs (va_arg (ap, int)); \
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char buf[32]; \
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ptr++; /* Go past the asterisk. */ \
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*sptr = '\0'; /* NULL terminate sptr. */ \
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sprintf(buf, "%d", value); \
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strcat(sptr, buf); \
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while (*sptr) sptr++; \
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} while (0)
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#define PRINT_CHAR(CHAR) \
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do { \
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putc(CHAR, stream); \
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ptr++; \
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total_printed++; \
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continue; \
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} while (0)
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#define PRINT_TYPE(TYPE) \
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do { \
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int result; \
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TYPE value = va_arg (ap, TYPE); \
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*sptr++ = *ptr++; /* Copy the type specifier. */ \
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*sptr = '\0'; /* NULL terminate sptr. */ \
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result = fprintf(stream, specifier, value); \
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if (result == -1) \
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return -1; \
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else \
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{ \
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total_printed += result; \
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continue; \
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} \
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} while (0)
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int
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_doprnt (const char *format, va_list ap, FILE *stream)
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{
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const char * ptr = format;
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char specifier[128];
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int total_printed = 0;
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while (*ptr != '\0')
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{
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if (*ptr != '%') /* While we have regular characters, print them. */
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PRINT_CHAR(*ptr);
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else /* We got a format specifier! */
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{
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char * sptr = specifier;
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int wide_width = 0, short_width = 0;
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*sptr++ = *ptr++; /* Copy the % and move forward. */
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while (strchr ("-+ #0", *ptr)) /* Move past flags. */
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*sptr++ = *ptr++;
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if (*ptr == '*')
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COPY_VA_INT;
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else
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while (ISDIGIT(*ptr)) /* Handle explicit numeric value. */
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*sptr++ = *ptr++;
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if (*ptr == '.')
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{
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*sptr++ = *ptr++; /* Copy and go past the period. */
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if (*ptr == '*')
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COPY_VA_INT;
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else
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while (ISDIGIT(*ptr)) /* Handle explicit numeric value. */
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*sptr++ = *ptr++;
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}
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while (strchr ("hlL", *ptr))
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{
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switch (*ptr)
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{
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case 'h':
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short_width = 1;
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break;
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case 'l':
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wide_width++;
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break;
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case 'L':
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wide_width = 2;
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break;
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default:
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abort();
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}
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*sptr++ = *ptr++;
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}
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switch (*ptr)
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{
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case 'd':
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case 'i':
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case 'o':
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case 'u':
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case 'x':
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case 'X':
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case 'c':
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{
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/* Short values are promoted to int, so just copy it
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as an int and trust the C library printf to cast it
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to the right width. */
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if (short_width)
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PRINT_TYPE(int);
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else
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{
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switch (wide_width)
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{
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case 0:
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PRINT_TYPE(int);
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break;
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case 1:
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PRINT_TYPE(long);
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break;
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case 2:
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default:
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#if defined(__GNUC__) || defined(HAVE_LONG_LONG)
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PRINT_TYPE(long long);
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#else
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PRINT_TYPE(long); /* Fake it and hope for the best. */
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#endif
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break;
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} /* End of switch (wide_width) */
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} /* End of else statement */
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} /* End of integer case */
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break;
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case 'f':
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case 'e':
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case 'E':
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case 'g':
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case 'G':
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{
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if (wide_width == 0)
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PRINT_TYPE(double);
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else
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{
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#if defined(__GNUC__) || defined(HAVE_LONG_DOUBLE)
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PRINT_TYPE(long double);
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#else
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PRINT_TYPE(double); /* Fake it and hope for the best. */
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#endif
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}
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}
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break;
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case 's':
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PRINT_TYPE(char *);
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break;
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case 'p':
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PRINT_TYPE(void *);
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break;
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case '%':
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PRINT_CHAR('%');
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break;
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default:
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abort();
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} /* End of switch (*ptr) */
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} /* End of else statement */
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}
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return total_printed;
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}
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#ifdef TEST
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#include <math.h>
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#ifndef M_PI
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#define M_PI (3.1415926535897932385)
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#endif
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#define RESULT(x) do \
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{ \
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int i = (x); \
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printf ("printed %d characters\n", i); \
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fflush(stdin); \
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} while (0)
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static int checkit (const char * format, ...) ATTRIBUTE_PRINTF_1;
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static int
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checkit (const char* format, ...)
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{
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int result;
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va_list args;
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va_start (args, format);
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result = _doprnt (format, args, stdout);
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va_end (args);
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return result;
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}
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int
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main (void)
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{
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RESULT(checkit ("<%d>\n", 0x12345678));
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RESULT(printf ("<%d>\n", 0x12345678));
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RESULT(checkit ("<%200d>\n", 5));
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RESULT(printf ("<%200d>\n", 5));
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RESULT(checkit ("<%.300d>\n", 6));
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RESULT(printf ("<%.300d>\n", 6));
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RESULT(checkit ("<%100.150d>\n", 7));
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RESULT(printf ("<%100.150d>\n", 7));
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RESULT(checkit ("<%s>\n",
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"jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
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777777777777777777333333333333366666666666622222222222777777777777733333"));
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RESULT(printf ("<%s>\n",
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"jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
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777777777777777777333333333333366666666666622222222222777777777777733333"));
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RESULT(checkit ("<%f><%0+#f>%s%d%s>\n",
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1.0, 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx"));
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RESULT(printf ("<%f><%0+#f>%s%d%s>\n",
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1.0, 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx"));
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RESULT(checkit ("<%4f><%.4f><%%><%4.4f>\n", M_PI, M_PI, M_PI));
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RESULT(printf ("<%4f><%.4f><%%><%4.4f>\n", M_PI, M_PI, M_PI));
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RESULT(checkit ("<%*f><%.*f><%%><%*.*f>\n", 3, M_PI, 3, M_PI, 3, 3, M_PI));
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RESULT(printf ("<%*f><%.*f><%%><%*.*f>\n", 3, M_PI, 3, M_PI, 3, 3, M_PI));
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RESULT(checkit ("<%d><%i><%o><%u><%x><%X><%c>\n",
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75, 75, 75, 75, 75, 75, 75));
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RESULT(printf ("<%d><%i><%o><%u><%x><%X><%c>\n",
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75, 75, 75, 75, 75, 75, 75));
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RESULT(checkit ("<%d><%i><%o><%u><%x><%X><%c>\n",
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75, 75, 75, 75, 75, 75, 75));
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RESULT(printf ("<%d><%i><%o><%u><%x><%X><%c>\n",
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75, 75, 75, 75, 75, 75, 75));
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RESULT(checkit ("Testing (hd) short: <%d><%ld><%hd><%hd><%d>\n", 123, (long)234, 345, 123456789, 456));
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RESULT(printf ("Testing (hd) short: <%d><%ld><%hd><%hd><%d>\n", 123, (long)234, 345, 123456789, 456));
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#if defined(__GNUC__) || defined (HAVE_LONG_LONG)
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RESULT(checkit ("Testing (lld) long long: <%d><%lld><%d>\n", 123, 234234234234234234LL, 345));
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RESULT(printf ("Testing (lld) long long: <%d><%lld><%d>\n", 123, 234234234234234234LL, 345));
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RESULT(checkit ("Testing (Ld) long long: <%d><%Ld><%d>\n", 123, 234234234234234234LL, 345));
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RESULT(printf ("Testing (Ld) long long: <%d><%Ld><%d>\n", 123, 234234234234234234LL, 345));
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#endif
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#if defined(__GNUC__) || defined (HAVE_LONG_DOUBLE)
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RESULT(checkit ("Testing (Lf) long double: <%.20f><%.20Lf><%0+#.20f>\n",
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1.23456, 1.234567890123456789L, 1.23456));
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RESULT(printf ("Testing (Lf) long double: <%.20f><%.20Lf><%0+#.20f>\n",
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1.23456, 1.234567890123456789L, 1.23456));
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#endif
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return 0;
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}
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#endif /* TEST */
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