t-printf.c
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上传日期:2022-08-06
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- /* Test gmp_printf and related functions.
- Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or (at your
- option) any later version.
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- /* Usage: t-printf [-s]
- -s Check the data against the system printf, where possible. This is
- only an option since we don't want to fail if the system printf is
- faulty or strange. */
- #include "config.h"
- #if HAVE_STDARG
- #include <stdarg.h>
- #else
- #include <varargs.h>
- #endif
- #include <stddef.h> /* for ptrdiff_t */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #if HAVE_OBSTACK_VPRINTF
- #define obstack_chunk_alloc tests_allocate
- #define obstack_chunk_free tests_free_nosize
- #include <obstack.h>
- #endif
- #if HAVE_INTTYPES_H
- # include <inttypes.h> /* for intmax_t */
- #else
- # if HAVE_STDINT_H
- # include <stdint.h>
- # endif
- #endif
- #if HAVE_UNISTD_H
- #include <unistd.h> /* for unlink */
- #endif
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- int option_check_printf = 0;
- #define CHECK_VFPRINTF_FILENAME "t-printf.tmp"
- FILE *check_vfprintf_fp;
- /* From any of the tests run here. */
- #define MAX_OUTPUT 1024
- void
- #if HAVE_STDARG
- check_plain (const char *want, const char *fmt_orig, ...)
- #else
- check_plain (va_alist)
- va_dcl
- #endif
- {
- char got[MAX_OUTPUT];
- int got_len, want_len;
- size_t fmtsize;
- char *fmt, *q;
- const char *p;
- va_list ap;
- #if HAVE_STDARG
- va_start (ap, fmt_orig);
- #else
- const char *want;
- const char *fmt_orig;
- va_start (ap);
- want = va_arg (ap, const char *);
- fmt_orig = va_arg (ap, const char *);
- #endif
- if (! option_check_printf)
- return;
- fmtsize = strlen (fmt_orig) + 1;
- fmt = (*__gmp_allocate_func) (fmtsize);
- for (p = fmt_orig, q = fmt; *p != ' '; p++)
- {
- switch (*p) {
- case 'a':
- case 'A':
- /* The exact value of the exponent isn't guaranteed in glibc, and it
- and gmp_printf do slightly different things, so don't compare
- directly. */
- goto done;
- case 'F':
- if (p > fmt_orig && *(p-1) == '.')
- goto done; /* don't test the "all digits" cases */
- /* discard 'F' type */
- break;
- case 'Z':
- /* transmute */
- *q++ = 'l';
- break;
- default:
- *q++ = *p;
- break;
- }
- }
- *q = ' ';
- want_len = strlen (want);
- ASSERT_ALWAYS (want_len < sizeof(got));
- got_len = vsprintf (got, fmt, ap);
- if (got_len != want_len || strcmp (got, want) != 0)
- {
- printf ("wanted data doesn't match plain vsprintfn");
- printf (" fmt |%s|n", fmt);
- printf (" got |%s|n", got);
- printf (" want |%s|n", want);
- printf (" got_len %dn", got_len);
- printf (" want_len %dn", want_len);
- abort ();
- }
- done:
- (*__gmp_free_func) (fmt, fmtsize);
- }
- void
- check_vsprintf (const char *want, const char *fmt, va_list ap)
- {
- char got[MAX_OUTPUT];
- int got_len, want_len;
- want_len = strlen (want);
- got_len = gmp_vsprintf (got, fmt, ap);
- if (got_len != want_len || strcmp (got, want) != 0)
- {
- printf ("gmp_vsprintf wrongn");
- printf (" fmt |%s|n", fmt);
- printf (" got |%s|n", got);
- printf (" want |%s|n", want);
- printf (" got_len %dn", got_len);
- printf (" want_len %dn", want_len);
- abort ();
- }
- }
- void
- check_vfprintf (const char *want, const char *fmt, va_list ap)
- {
- char got[MAX_OUTPUT];
- int got_len, want_len, fread_len;
- long ftell_len;
- want_len = strlen (want);
- rewind (check_vfprintf_fp);
- got_len = gmp_vfprintf (check_vfprintf_fp, fmt, ap);
- ASSERT_ALWAYS (got_len != -1);
- ASSERT_ALWAYS (fflush (check_vfprintf_fp) == 0);
- ftell_len = ftell (check_vfprintf_fp);
- ASSERT_ALWAYS (ftell_len != -1);
- rewind (check_vfprintf_fp);
- ASSERT_ALWAYS (ftell_len <= sizeof(got));
- fread_len = fread (got, 1, ftell_len, check_vfprintf_fp);
- if (got_len != want_len
- || ftell_len != want_len
- || fread_len != want_len
- || memcmp (got, want, want_len) != 0)
- {
- printf ("gmp_vfprintf wrongn");
- printf (" fmt |%s|n", fmt);
- printf (" got |%.*s|n", fread_len, got);
- printf (" want |%s|n", want);
- printf (" got_len %dn", got_len);
- printf (" ftell_len %ldn", ftell_len);
- printf (" fread_len %dn", fread_len);
- printf (" want_len %dn", want_len);
- abort ();
- }
- }
- void
- check_vsnprintf (const char *want, const char *fmt, va_list ap)
- {
- char got[MAX_OUTPUT+1];
- int ret, got_len, want_len;
- size_t bufsize;
- want_len = strlen (want);
- bufsize = -1;
- for (;;)
- {
- /* do 0 to 5, then want-5 to want+5 */
- bufsize++;
- if (bufsize > 5 && bufsize < want_len-5)
- bufsize = want_len-5;
- if (bufsize > want_len + 5)
- break;
- ASSERT_ALWAYS (bufsize+1 <= sizeof (got));
- got[bufsize] = '!';
- ret = gmp_vsnprintf (got, bufsize, fmt, ap);
- got_len = MIN (MAX(1,bufsize)-1, want_len);
- if (got[bufsize] != '!')
- {
- printf ("gmp_vsnprintf overwrote bufsize sentineln");
- goto error;
- }
- if (ret != want_len)
- {
- printf ("gmp_vsnprintf return value wrongn");
- goto error;
- }
- if (bufsize > 0)
- {
- if (memcmp (got, want, got_len) != 0 || got[got_len] != ' ')
- {
- printf ("gmp_vsnprintf wrong result stringn");
- error:
- printf (" fmt |%s|n", fmt);
- printf (" bufsize %lun", (unsigned long) bufsize);
- printf (" got |%s|n", got);
- printf (" want |%.*s|n", got_len, want);
- printf (" want full |%s|n", want);
- printf (" ret %dn", ret);
- printf (" want_len %dn", want_len);
- abort ();
- }
- }
- }
- }
- void
- check_vasprintf (const char *want, const char *fmt, va_list ap)
- {
- char *got;
- int got_len, want_len;
- want_len = strlen (want);
- got_len = gmp_vasprintf (&got, fmt, ap);
- if (got_len != want_len || strcmp (got, want) != 0)
- {
- printf ("gmp_vasprintf wrongn");
- printf (" fmt |%s|n", fmt);
- printf (" got |%s|n", got);
- printf (" want |%s|n", want);
- printf (" got_len %dn", got_len);
- printf (" want_len %dn", want_len);
- abort ();
- }
- (*__gmp_free_func) (got, strlen(got)+1);
- }
- void
- check_obstack_vprintf (const char *want, const char *fmt, va_list ap)
- {
- #if HAVE_OBSTACK_VPRINTF
- struct obstack ob;
- int got_len, want_len, ob_len;
- char *got;
- want_len = strlen (want);
- obstack_init (&ob);
- got_len = gmp_obstack_vprintf (&ob, fmt, ap);
- got = obstack_base (&ob);
- ob_len = obstack_object_size (&ob);
- if (got_len != want_len
- || ob_len != want_len
- || memcmp (got, want, want_len) != 0)
- {
- printf ("gmp_obstack_vprintf wrongn");
- printf (" fmt |%s|n", fmt);
- printf (" got |%s|n", got);
- printf (" want |%s|n", want);
- printf (" got_len %dn", got_len);
- printf (" ob_len %dn", ob_len);
- printf (" want_len %dn", want_len);
- abort ();
- }
- obstack_free (&ob, NULL);
- #endif
- }
- void
- #if HAVE_STDARG
- check_one (const char *want, const char *fmt, ...)
- #else
- check_one (va_alist)
- va_dcl
- #endif
- {
- va_list ap;
- #if HAVE_STDARG
- va_start (ap, fmt);
- #else
- const char *want;
- const char *fmt;
- va_start (ap);
- want = va_arg (ap, const char *);
- fmt = va_arg (ap, const char *);
- #endif
- /* simplest first */
- check_vsprintf (want, fmt, ap);
- check_vfprintf (want, fmt, ap);
- check_vsnprintf (want, fmt, ap);
- check_vasprintf (want, fmt, ap);
- check_obstack_vprintf (want, fmt, ap);
- }
- #define hex_or_octal_p(fmt)
- (strchr (fmt, 'x') != NULL
- || strchr (fmt, 'X') != NULL
- || strchr (fmt, 'o') != NULL)
- void
- check_z (void)
- {
- static const struct {
- const char *fmt;
- const char *z;
- const char *want;
- } data[] = {
- { "%Zd", "0", "0" },
- { "%Zd", "1", "1" },
- { "%Zd", "123", "123" },
- { "%Zd", "-1", "-1" },
- { "%Zd", "-123", "-123" },
- { "%+Zd", "0", "+0" },
- { "%+Zd", "123", "+123" },
- { "%+Zd", "-123", "-123" },
- { "%Zx", "123", "7b" },
- { "%ZX", "123", "7B" },
- { "%Zx", "-123", "-7b" },
- { "%ZX", "-123", "-7B" },
- { "%Zo", "123", "173" },
- { "%Zo", "-123", "-173" },
- { "%#Zx", "0", "0" },
- { "%#ZX", "0", "0" },
- { "%#Zx", "123", "0x7b" },
- { "%#ZX", "123", "0X7B" },
- { "%#Zx", "-123", "-0x7b" },
- { "%#ZX", "-123", "-0X7B" },
- { "%#Zo", "0", "0" },
- { "%#Zo", "123", "0173" },
- { "%#Zo", "-123", "-0173" },
- { "%10Zd", "0", " 0" },
- { "%10Zd", "123", " 123" },
- { "%10Zd", "-123", " -123" },
- { "%-10Zd", "0", "0 " },
- { "%-10Zd", "123", "123 " },
- { "%-10Zd", "-123", "-123 " },
- { "%+10Zd", "123", " +123" },
- { "%+-10Zd", "123", "+123 " },
- { "%+10Zd", "-123", " -123" },
- { "%+-10Zd", "-123", "-123 " },
- { "%08Zd", "0", "00000000" },
- { "%08Zd", "123", "00000123" },
- { "%08Zd", "-123", "-0000123" },
- { "%+08Zd", "0", "+0000000" },
- { "%+08Zd", "123", "+0000123" },
- { "%+08Zd", "-123", "-0000123" },
- { "%#08Zx", "0", "00000000" },
- { "%#08Zx", "123", "0x00007b" },
- { "%#08Zx", "-123", "-0x0007b" },
- { "%+#08Zx", "0", "+0000000" },
- { "%+#08Zx", "123", "+0x0007b" },
- { "%+#08Zx", "-123", "-0x0007b" },
- { "%.0Zd", "0", "" },
- { "%.1Zd", "0", "0" },
- { "%.2Zd", "0", "00" },
- { "%.3Zd", "0", "000" },
- };
- int i, j;
- mpz_t z;
- char *nfmt;
- mp_size_t nsize, zeros;
- mpz_init (z);
- for (i = 0; i < numberof (data); i++)
- {
- mpz_set_str_or_abort (z, data[i].z, 0);
- /* don't try negatives or forced sign in hex or octal */
- if (mpz_fits_slong_p (z)
- && ! (hex_or_octal_p (data[i].fmt)
- && (strchr (data[i].fmt, '+') != NULL || mpz_sgn(z) < 0)))
- {
- check_plain (data[i].want, data[i].fmt, mpz_get_si (z));
- }
- check_one (data[i].want, data[i].fmt, z);
- /* Same again, with %N and possibly some high zero limbs */
- nfmt = __gmp_allocate_strdup (data[i].fmt);
- for (j = 0; nfmt[j] != ' '; j++)
- if (nfmt[j] == 'Z')
- nfmt[j] = 'N';
- for (zeros = 0; zeros <= 3; zeros++)
- {
- nsize = ABSIZ(z)+zeros;
- MPZ_REALLOC (z, nsize);
- nsize = (SIZ(z) >= 0 ? nsize : -nsize);
- refmpn_zero (PTR(z)+ABSIZ(z), zeros);
- check_one (data[i].want, nfmt, PTR(z), nsize);
- }
- __gmp_free_func (nfmt, strlen(nfmt)+1);
- }
- mpz_clear (z);
- }
- void
- check_q (void)
- {
- static const struct {
- const char *fmt;
- const char *q;
- const char *want;
- } data[] = {
- { "%Qd", "0", "0" },
- { "%Qd", "1", "1" },
- { "%Qd", "123", "123" },
- { "%Qd", "-1", "-1" },
- { "%Qd", "-123", "-123" },
- { "%Qd", "3/2", "3/2" },
- { "%Qd", "-3/2", "-3/2" },
- { "%+Qd", "0", "+0" },
- { "%+Qd", "123", "+123" },
- { "%+Qd", "-123", "-123" },
- { "%+Qd", "5/8", "+5/8" },
- { "%+Qd", "-5/8", "-5/8" },
- { "%Qx", "123", "7b" },
- { "%QX", "123", "7B" },
- { "%Qx", "15/16", "f/10" },
- { "%QX", "15/16", "F/10" },
- { "%Qx", "-123", "-7b" },
- { "%QX", "-123", "-7B" },
- { "%Qx", "-15/16", "-f/10" },
- { "%QX", "-15/16", "-F/10" },
- { "%Qo", "123", "173" },
- { "%Qo", "-123", "-173" },
- { "%Qo", "16/17", "20/21" },
- { "%Qo", "-16/17", "-20/21" },
- { "%#Qx", "0", "0" },
- { "%#QX", "0", "0" },
- { "%#Qx", "123", "0x7b" },
- { "%#QX", "123", "0X7B" },
- { "%#Qx", "5/8", "0x5/0x8" },
- { "%#QX", "5/8", "0X5/0X8" },
- { "%#Qx", "-123", "-0x7b" },
- { "%#QX", "-123", "-0X7B" },
- { "%#Qx", "-5/8", "-0x5/0x8" },
- { "%#QX", "-5/8", "-0X5/0X8" },
- { "%#Qo", "0", "0" },
- { "%#Qo", "123", "0173" },
- { "%#Qo", "-123", "-0173" },
- { "%#Qo", "5/7", "05/07" },
- { "%#Qo", "-5/7", "-05/07" },
- /* zero denominator and showbase */
- { "%#10Qo", "0/0", " 0/0" },
- { "%#10Qd", "0/0", " 0/0" },
- { "%#10Qx", "0/0", " 0/0" },
- { "%#10Qo", "123/0", " 0173/0" },
- { "%#10Qd", "123/0", " 123/0" },
- { "%#10Qx", "123/0", " 0x7b/0" },
- { "%#10QX", "123/0", " 0X7B/0" },
- { "%#10Qo", "-123/0", " -0173/0" },
- { "%#10Qd", "-123/0", " -123/0" },
- { "%#10Qx", "-123/0", " -0x7b/0" },
- { "%#10QX", "-123/0", " -0X7B/0" },
- { "%10Qd", "0", " 0" },
- { "%-10Qd", "0", "0 " },
- { "%10Qd", "123", " 123" },
- { "%-10Qd", "123", "123 " },
- { "%10Qd", "-123", " -123" },
- { "%-10Qd", "-123", "-123 " },
- { "%+10Qd", "123", " +123" },
- { "%+-10Qd", "123", "+123 " },
- { "%+10Qd", "-123", " -123" },
- { "%+-10Qd", "-123", "-123 " },
- { "%08Qd", "0", "00000000" },
- { "%08Qd", "123", "00000123" },
- { "%08Qd", "-123", "-0000123" },
- { "%+08Qd", "0", "+0000000" },
- { "%+08Qd", "123", "+0000123" },
- { "%+08Qd", "-123", "-0000123" },
- { "%#08Qx", "0", "00000000" },
- { "%#08Qx", "123", "0x00007b" },
- { "%#08Qx", "-123", "-0x0007b" },
- { "%+#08Qx", "0", "+0000000" },
- { "%+#08Qx", "123", "+0x0007b" },
- { "%+#08Qx", "-123", "-0x0007b" },
- };
- int i;
- mpq_t q;
- mpq_init (q);
- for (i = 0; i < numberof (data); i++)
- {
- mpq_set_str_or_abort (q, data[i].q, 0);
- check_one (data[i].want, data[i].fmt, q);
- }
- mpq_clear (q);
- }
- void
- check_f (void)
- {
- static const struct {
- const char *fmt;
- const char *f;
- const char *want;
- } data[] = {
- { "%Ff", "0", "0.000000" },
- { "%Ff", "123", "123.000000" },
- { "%Ff", "-123", "-123.000000" },
- { "%+Ff", "0", "+0.000000" },
- { "%+Ff", "123", "+123.000000" },
- { "%+Ff", "-123", "-123.000000" },
- { "%.0Ff", "0", "0" },
- { "%.0Ff", "123", "123" },
- { "%.0Ff", "-123", "-123" },
- { "%8.0Ff", "0", " 0" },
- { "%8.0Ff", "123", " 123" },
- { "%8.0Ff", "-123", " -123" },
- { "%08.0Ff", "0", "00000000" },
- { "%08.0Ff", "123", "00000123" },
- { "%08.0Ff", "-123", "-0000123" },
- { "%10.2Ff", "0", " 0.00" },
- { "%10.2Ff", "0.25", " 0.25" },
- { "%10.2Ff", "123.25", " 123.25" },
- { "%10.2Ff", "-123.25", " -123.25" },
- { "%-10.2Ff", "0", "0.00 " },
- { "%-10.2Ff", "0.25", "0.25 " },
- { "%-10.2Ff", "123.25", "123.25 " },
- { "%-10.2Ff", "-123.25", "-123.25 " },
- { "%.2Ff", "0.00000000000001", "0.00" },
- { "%.2Ff", "0.002", "0.00" },
- { "%.2Ff", "0.008", "0.01" },
- { "%.0Ff", "123.00000000000001", "123" },
- { "%.0Ff", "123.2", "123" },
- { "%.0Ff", "123.8", "124" },
- { "%.0Ff", "999999.9", "1000000" },
- { "%.0Ff", "3999999.9", "4000000" },
- { "%Fe", "0", "0.000000e+00" },
- { "%Fe", "1", "1.000000e+00" },
- { "%Fe", "123", "1.230000e+02" },
- { "%FE", "0", "0.000000E+00" },
- { "%FE", "1", "1.000000E+00" },
- { "%FE", "123", "1.230000E+02" },
- { "%Fe", "0", "0.000000e+00" },
- { "%Fe", "1", "1.000000e+00" },
- { "%.0Fe", "10000000000", "1e+10" },
- { "%.0Fe", "-10000000000", "-1e+10" },
- { "%.2Fe", "10000000000", "1.00e+10" },
- { "%.2Fe", "-10000000000", "-1.00e+10" },
- { "%8.0Fe", "10000000000", " 1e+10" },
- { "%8.0Fe", "-10000000000", " -1e+10" },
- { "%-8.0Fe", "10000000000", "1e+10 " },
- { "%-8.0Fe", "-10000000000", "-1e+10 " },
- { "%12.2Fe", "10000000000", " 1.00e+10" },
- { "%12.2Fe", "-10000000000", " -1.00e+10" },
- { "%012.2Fe", "10000000000", "00001.00e+10" },
- { "%012.2Fe", "-10000000000", "-0001.00e+10" },
- { "%Fg", "0", "0" },
- { "%Fg", "1", "1" },
- { "%Fg", "-1", "-1" },
- { "%.0Fg", "0", "0" },
- { "%.0Fg", "1", "1" },
- { "%.0Fg", "-1", "-1" },
- { "%.1Fg", "100", "1e+02" },
- { "%.2Fg", "100", "1e+02" },
- { "%.3Fg", "100", "100" },
- { "%.4Fg", "100", "100" },
- { "%Fg", "0.001", "0.001" },
- { "%Fg", "0.0001", "0.0001" },
- { "%Fg", "0.00001", "1e-05" },
- { "%Fg", "0.000001", "1e-06" },
- { "%.4Fg", "1.00000000000001", "1" },
- { "%.4Fg", "100000000000001", "1e+14" },
- { "%.4Fg", "12345678", "1.235e+07" },
- { "%Fa", "0","0x0p+0" },
- { "%FA", "0","0X0P+0" },
- { "%Fa", "1","0x1p+0" },
- { "%Fa", "65535","0xf.fffp+12" },
- { "%Fa", "65536","0x1p+16" },
- { "%F.10a", "65536","0x1.0000000000p+16" },
- { "%F.1a", "65535","0x1.0p+16" },
- { "%F.0a", "65535","0x1p+16" },
- { "%.2Ff", "0.99609375", "1.00" },
- { "%.Ff", "0.99609375", "0.99609375" },
- { "%.Fe", "0.99609375", "9.9609375e-01" },
- { "%.Fg", "0.99609375", "0.99609375" },
- { "%.20Fg", "1000000", "1000000" },
- { "%.Fg", "1000000", "1000000" },
- { "%#.0Ff", "1", "1." },
- { "%#.0Fe", "1", "1.e+00" },
- { "%#.0Fg", "1", "1." },
- { "%#.1Ff", "1", "1.0" },
- { "%#.1Fe", "1", "1.0e+00" },
- { "%#.1Fg", "1", "1." },
- { "%#.4Ff", "1234", "1234.0000" },
- { "%#.4Fe", "1234", "1.2340e+03" },
- { "%#.4Fg", "1234", "1234." },
- { "%#.8Ff", "1234", "1234.00000000" },
- { "%#.8Fe", "1234", "1.23400000e+03" },
- { "%#.8Fg", "1234", "1234.0000" },
- };
- int i;
- mpf_t f;
- double d;
- mpf_init2 (f, 256L);
- for (i = 0; i < numberof (data); i++)
- {
- if (data[i].f[0] == '0' && data[i].f[1] == 'x')
- mpf_set_str_or_abort (f, data[i].f, 16);
- else
- mpf_set_str_or_abort (f, data[i].f, 10);
- /* if mpf->double doesn't truncate, then expect same result */
- d = mpf_get_d (f);
- if (mpf_cmp_d (f, d) == 0)
- check_plain (data[i].want, data[i].fmt, d);
- check_one (data[i].want, data[i].fmt, f);
- }
- mpf_clear (f);
- }
- void
- check_limb (void)
- {
- int i;
- mp_limb_t limb;
- mpz_t z;
- char *s;
- check_one ("0", "%Md", CNST_LIMB(0));
- check_one ("1", "%Md", CNST_LIMB(1));
- /* "i" many 1 bits, tested against mpz_get_str in decimal and hex */
- limb = 1;
- mpz_init_set_ui (z, 1L);
- for (i = 1; i <= GMP_LIMB_BITS; i++)
- {
- s = mpz_get_str (NULL, 10, z);
- check_one (s, "%Mu", limb);
- (*__gmp_free_func) (s, strlen (s) + 1);
- s = mpz_get_str (NULL, 16, z);
- check_one (s, "%Mx", limb);
- (*__gmp_free_func) (s, strlen (s) + 1);
- s = mpz_get_str (NULL, -16, z);
- check_one (s, "%MX", limb);
- (*__gmp_free_func) (s, strlen (s) + 1);
- limb = 2*limb + 1;
- mpz_mul_2exp (z, z, 1L);
- mpz_add_ui (z, z, 1L);
- }
- mpz_clear (z);
- }
- void
- check_n (void)
- {
- {
- int n = -1;
- check_one ("blah", "%nblah", &n);
- ASSERT_ALWAYS (n == 0);
- }
- {
- int n = -1;
- check_one ("hello ", "hello %n", &n);
- ASSERT_ALWAYS (n == 6);
- }
- {
- int n = -1;
- check_one ("hello world", "hello %n world", &n);
- ASSERT_ALWAYS (n == 6);
- }
- #define CHECK_N(type, string)
- do {
- type x[2];
- char fmt[128];
-
- x[0] = ~ (type) 0;
- x[1] = ~ (type) 0;
- sprintf (fmt, "%%d%%%sn%%d", string);
- check_one ("123456", fmt, 123, &x[0], 456);
-
- /* should write whole of x[0] and none of x[1] */
- ASSERT_ALWAYS (x[0] == 3);
- ASSERT_ALWAYS (x[1] == (type) ~ (type) 0);
-
- } while (0)
- CHECK_N (mp_limb_t, "M");
- CHECK_N (char, "hh");
- CHECK_N (long, "l");
- #if HAVE_LONG_LONG
- CHECK_N (long long, "L");
- #endif
- #if HAVE_INTMAX_T
- CHECK_N (intmax_t, "j");
- #endif
- #if HAVE_PTRDIFF_T
- CHECK_N (ptrdiff_t, "t");
- #endif
- CHECK_N (short, "h");
- CHECK_N (size_t, "z");
- {
- mpz_t x[2];
- mpz_init_set_si (x[0], -987L);
- mpz_init_set_si (x[1], 654L);
- check_one ("123456", "%d%Zn%d", 123, x[0], 456);
- MPZ_CHECK_FORMAT (x[0]);
- MPZ_CHECK_FORMAT (x[1]);
- ASSERT_ALWAYS (mpz_cmp_ui (x[0], 3L) == 0);
- ASSERT_ALWAYS (mpz_cmp_ui (x[1], 654L) == 0);
- mpz_clear (x[0]);
- mpz_clear (x[1]);
- }
- {
- mpq_t x[2];
- mpq_init (x[0]);
- mpq_init (x[1]);
- mpq_set_ui (x[0], 987L, 654L);
- mpq_set_ui (x[1], 4115L, 226L);
- check_one ("123456", "%d%Qn%d", 123, x[0], 456);
- MPQ_CHECK_FORMAT (x[0]);
- MPQ_CHECK_FORMAT (x[1]);
- ASSERT_ALWAYS (mpq_cmp_ui (x[0], 3L, 1L) == 0);
- ASSERT_ALWAYS (mpq_cmp_ui (x[1], 4115L, 226L) == 0);
- mpq_clear (x[0]);
- mpq_clear (x[1]);
- }
- {
- mpf_t x[2];
- mpf_init (x[0]);
- mpf_init (x[1]);
- mpf_set_ui (x[0], 987L);
- mpf_set_ui (x[1], 654L);
- check_one ("123456", "%d%Fn%d", 123, x[0], 456);
- MPF_CHECK_FORMAT (x[0]);
- MPF_CHECK_FORMAT (x[1]);
- ASSERT_ALWAYS (mpf_cmp_ui (x[0], 3L) == 0);
- ASSERT_ALWAYS (mpf_cmp_ui (x[1], 654L) == 0);
- mpf_clear (x[0]);
- mpf_clear (x[1]);
- }
- {
- mp_limb_t a[5];
- mp_limb_t a_want[numberof(a)];
- mp_size_t i;
- a[0] = 123;
- check_one ("blah", "bl%Nnah", a, (mp_size_t) 0);
- ASSERT_ALWAYS (a[0] == 123);
- MPN_ZERO (a_want, numberof (a_want));
- for (i = 1; i < numberof (a); i++)
- {
- check_one ("blah", "bl%Nnah", a, i);
- a_want[0] = 2;
- ASSERT_ALWAYS (mpn_cmp (a, a_want, i) == 0);
- }
- }
- }
- void
- check_misc (void)
- {
- mpz_t z;
- mpf_t f;
- mpz_init (z);
- mpf_init2 (f, 128L);
- check_one ("!", "%c", '!');
- check_one ("hello world", "hello %s", "world");
- check_one ("hello:", "%s:", "hello");
- mpz_set_ui (z, 0L);
- check_one ("hello0", "%s%Zd", "hello", z, z);
- {
- static char xs[801];
- memset (xs, 'x', sizeof(xs)-1);
- check_one (xs, "%s", xs);
- }
- mpz_set_ui (z, 12345L);
- check_one (" 12345", "%*Zd", 10, z);
- check_one ("0000012345", "%0*Zd", 10, z);
- check_one ("12345 ", "%*Zd", -10, z);
- check_one ("12345 and 678", "%Zd and %d", z, 678);
- check_one ("12345,1,12345,2,12345", "%Zd,%d,%Zd,%d,%Zd", z, 1, z, 2, z);
- /* from the glibc info docs */
- mpz_set_si (z, 0L);
- check_one ("| 0|0 | +0|+0 | 0|00000| | 00|0|",
- "|%5Zd|%-5Zd|%+5Zd|%+-5Zd|% 5Zd|%05Zd|%5.0Zd|%5.2Zd|%Zd|",
- /**/ z, z, z, z, z, z, z, z, z);
- mpz_set_si (z, 1L);
- check_one ("| 1|1 | +1|+1 | 1|00001| 1| 01|1|",
- "|%5Zd|%-5Zd|%+5Zd|%+-5Zd|% 5Zd|%05Zd|%5.0Zd|%5.2Zd|%Zd|",
- /**/ z, z, z, z, z, z, z, z, z);
- mpz_set_si (z, -1L);
- check_one ("| -1|-1 | -1|-1 | -1|-0001| -1| -01|-1|",
- "|%5Zd|%-5Zd|%+5Zd|%+-5Zd|% 5Zd|%05Zd|%5.0Zd|%5.2Zd|%Zd|",
- /**/ z, z, z, z, z, z, z, z, z);
- mpz_set_si (z, 100000L);
- check_one ("|100000|100000|+100000|+100000| 100000|100000|100000|100000|100000|",
- "|%5Zd|%-5Zd|%+5Zd|%+-5Zd|% 5Zd|%05Zd|%5.0Zd|%5.2Zd|%Zd|",
- /**/ z, z, z, z, z, z, z, z, z);
- mpz_set_si (z, 0L);
- check_one ("| 0| 0| 0| 0| 0| 0| 00000000|",
- "|%5Zo|%5Zx|%5ZX|%#5Zo|%#5Zx|%#5ZX|%#10.8Zx|",
- /**/ z, z, z, z, z, z, z);
- mpz_set_si (z, 1L);
- check_one ("| 1| 1| 1| 01| 0x1| 0X1|0x00000001|",
- "|%5Zo|%5Zx|%5ZX|%#5Zo|%#5Zx|%#5ZX|%#10.8Zx|",
- /**/ z, z, z, z, z, z, z);
- mpz_set_si (z, 100000L);
- check_one ("|303240|186a0|186A0|0303240|0x186a0|0X186A0|0x000186a0|",
- "|%5Zo|%5Zx|%5ZX|%#5Zo|%#5Zx|%#5ZX|%#10.8Zx|",
- /**/ z, z, z, z, z, z, z);
- /* %zd for size_t won't be available on old systems, and running something
- to see if it works might be bad, so only try it on glibc, and only on a
- new enough version (glibc 2.0 doesn't have %zd) */
- #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 0)
- mpz_set_ui (z, 789L);
- check_one ("456 789 blah", "%zd %Zd blah", (size_t) 456, z);
- #endif
- mpz_clear (z);
- mpf_clear (f);
- }
- int
- main (int argc, char *argv[])
- {
- if (argc > 1 && strcmp (argv[1], "-s") == 0)
- option_check_printf = 1;
- tests_start ();
- check_vfprintf_fp = fopen (CHECK_VFPRINTF_FILENAME, "w+");
- ASSERT_ALWAYS (check_vfprintf_fp != NULL);
- check_z ();
- check_q ();
- check_f ();
- check_limb ();
- check_n ();
- check_misc ();
- ASSERT_ALWAYS (fclose (check_vfprintf_fp) == 0);
- unlink (CHECK_VFPRINTF_FILENAME);
- tests_end ();
- exit (0);
- }