7c4a6a88ed
* lib/libc+tcc.c (vfprintf, vsprintf): Support `%n'. For Gcc 3.4.0. * scaffold/tests/70-printf.c: Test it.
151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes 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
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* 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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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "30-test.i"
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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int
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test ()
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{
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char *s = "mes";
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char c = 'm';
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int i = 3;
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char buf[20];
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printf ("c=%c\n", c);
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sprintf (buf, "c=%c\n", c);
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if (strcmp (buf, "c=m\n"))
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return 1;
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if (i != 3) return 15;
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printf ("i=%d\n", i);
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sprintf (buf, "i=%d\n", i);
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if (strcmp (buf, "i=3\n"))
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return 2;
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printf ("s=%s\n", s);
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sprintf (buf, "s=%s\n", s);
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if (strcmp (buf, "s=mes\n"))
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return 3;
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sprintf (buf, ">%3d<", 11);
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eputs (buf); eputs ("\n");
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if (strcmp (buf, "> 11<"))
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return 4;
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sprintf (buf, ">%03d<", 22);
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eputs (buf); eputs ("\n");
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if (strcmp (buf, ">022<"))
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return 5;
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sprintf (buf, ">%-10d<", 33);
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eputs (buf); eputs ("\n");
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if (strcmp (buf, ">33 <"))
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return 6;
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sprintf (buf, ">%0d<", 44);
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eputs (buf); eputs ("\n");
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if (strcmp (buf, ">44<"))
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return 7;
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printf (">>%.*s<<\n", 5, "hello, world");
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printf (">>%.*s<<\n", 20, "hello, world");
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printf (">>%.*s<<\n", 10, "foo");
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printf (">>%*s<<\n", 10, "bar");
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printf (">>%-*s<<\n", 10, "baz");
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sprintf (buf, "%ld", 42);
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eputs ("buf="); eputs (buf); eputs ("\n");
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if (strcmp (buf, "42"))
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return 8;
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sprintf (buf, "%u", -1);
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eputs ("buf="); eputs (buf); eputs ("\n");
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if (strcmp (buf, "4294967295"))
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return 9;
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sprintf (buf, ">>%.5s<<\n", "hello, world");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>hello<<\n"))
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return 10;
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sprintf (buf, ">>%.*s<<\n", 5, "hello, world");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>hello<<\n"))
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return 11;
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sprintf (buf, ">>%.*s<<\n", 20, "hello, world");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>hello, world<<\n"))
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return 12;
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sprintf (buf, ">>%.*s<<\n", 10, "foo");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>foo<<\n"))
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return 13;
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sprintf (buf, ">>%*s<<\n", 10, "bar");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">> bar<<\n"))
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return 14;
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sprintf (buf, ">>%-*s<<\n", 10, "baz");
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>baz <<\n"))
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return 15;
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sprintf (buf, ">>%ld<<\n", 12);
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>12<<\n"))
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return 16;
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sprintf (buf, ">>%o<<\n", 12);
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>14<<\n"))
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return 17;
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sprintf (buf, ">>%x<<\n", 12);
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>c<<\n"))
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return 18;
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sprintf (buf, ">>%X<<\n", 12);
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eputs ("buf="); eputs (buf);
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if (strcmp (buf, ">>C<<\n"))
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return 19;
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int n;
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fprintf (stderr, "foo bar\n%n", &n);
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if (n != 8)
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return 20;
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sprintf (buf, "foo%nbar\n", &n);
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eputs ("buf="); eputs (buf); eputs ("\n");
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if (strcmp (buf, "foobar\n"))
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return 21;
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if (n != 3)
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return 22;
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return 0;
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}
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