1 /* Provide a version of _doprnt in terms of fprintf.
2 Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
3 Contributed by Kaveh Ghazi (ghazi@caip.rutgers.edu) 3/29/98
5 This program is free software; you can redistribute it and/or modify it
6 under the terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #include "safe-ctype.h"
24 #ifdef ANSI_PROTOTYPES
42 #ifdef TEST /* Make sure to use the internal one. */
43 #define _doprnt my_doprnt
48 const int value = abs (va_arg (ap, int)); \
50 ptr++; /* Go past the asterisk. */ \
51 *sptr = '\0'; /* NULL terminate sptr. */ \
52 sprintf(buf, "%d", value); \
54 while (*sptr) sptr++; \
57 #define PRINT_CHAR(CHAR) \
65 #define PRINT_TYPE(TYPE) \
68 TYPE value = va_arg (ap, TYPE); \
69 *sptr++ = *ptr++; /* Copy the type specifier. */ \
70 *sptr = '\0'; /* NULL terminate sptr. */ \
71 result = fprintf(stream, specifier, value); \
76 total_printed += result; \
82 _doprnt (format
, ap
, stream
)
87 const char * ptr
= format
;
89 int total_printed
= 0;
93 if (*ptr
!= '%') /* While we have regular characters, print them. */
95 else /* We got a format specifier! */
97 char * sptr
= specifier
;
98 int wide_width
= 0, short_width
= 0;
100 *sptr
++ = *ptr
++; /* Copy the % and move forward. */
102 while (strchr ("-+ #0", *ptr
)) /* Move past flags. */
108 while (ISDIGIT(*ptr
)) /* Handle explicit numeric value. */
113 *sptr
++ = *ptr
++; /* Copy and go past the period. */
117 while (ISDIGIT(*ptr
)) /* Handle explicit numeric value. */
120 while (strchr ("hlL", *ptr
))
149 /* Short values are promoted to int, so just copy it
150 as an int and trust the C library printf to cast it
151 to the right width. */
166 #if defined(__GNUC__) || defined(HAVE_LONG_LONG)
167 PRINT_TYPE(long long);
169 PRINT_TYPE(long); /* Fake it and hope for the best. */
172 } /* End of switch (wide_width) */
173 } /* End of else statement */
174 } /* End of integer case */
186 #if defined(__GNUC__) || defined(HAVE_LONG_DOUBLE)
187 PRINT_TYPE(long double);
189 PRINT_TYPE(double); /* Fake it and hope for the best. */
205 } /* End of switch (*ptr) */
206 } /* End of else statement */
209 return total_printed
;
216 #define M_PI (3.1415926535897932385)
219 #define RESULT(x) do \
222 printf ("printed %d characters\n", i); \
226 static int checkit
PARAMS ((const char * format
, ...)) ATTRIBUTE_PRINTF_1
;
229 checkit
VPARAMS ((const char* format
, ...))
232 VA_OPEN (args
, format
);
233 VA_FIXEDARG (args
, char *, format
);
235 result
= _doprnt (format
, args
, stdout
);
244 RESULT(checkit ("<%d>\n", 0x12345678));
245 RESULT(printf ("<%d>\n", 0x12345678));
247 RESULT(checkit ("<%200d>\n", 5));
248 RESULT(printf ("<%200d>\n", 5));
250 RESULT(checkit ("<%.300d>\n", 6));
251 RESULT(printf ("<%.300d>\n", 6));
253 RESULT(checkit ("<%100.150d>\n", 7));
254 RESULT(printf ("<%100.150d>\n", 7));
256 RESULT(checkit ("<%s>\n",
257 "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
258 777777777777777777333333333333366666666666622222222222777777777777733333"));
259 RESULT(printf ("<%s>\n",
260 "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
261 777777777777777777333333333333366666666666622222222222777777777777733333"));
263 RESULT(checkit ("<%f><%0+#f>%s%d%s>\n",
264 1.0, 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx"));
265 RESULT(printf ("<%f><%0+#f>%s%d%s>\n",
266 1.0, 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx"));
268 RESULT(checkit ("<%4f><%.4f><%%><%4.4f>\n", M_PI
, M_PI
, M_PI
));
269 RESULT(printf ("<%4f><%.4f><%%><%4.4f>\n", M_PI
, M_PI
, M_PI
));
271 RESULT(checkit ("<%*f><%.*f><%%><%*.*f>\n", 3, M_PI
, 3, M_PI
, 3, 3, M_PI
));
272 RESULT(printf ("<%*f><%.*f><%%><%*.*f>\n", 3, M_PI
, 3, M_PI
, 3, 3, M_PI
));
274 RESULT(checkit ("<%d><%i><%o><%u><%x><%X><%c>\n",
275 75, 75, 75, 75, 75, 75, 75));
276 RESULT(printf ("<%d><%i><%o><%u><%x><%X><%c>\n",
277 75, 75, 75, 75, 75, 75, 75));
279 RESULT(checkit ("<%d><%i><%o><%u><%x><%X><%c>\n",
280 75, 75, 75, 75, 75, 75, 75));
281 RESULT(printf ("<%d><%i><%o><%u><%x><%X><%c>\n",
282 75, 75, 75, 75, 75, 75, 75));
284 RESULT(checkit ("Testing (hd) short: <%d><%ld><%hd><%hd><%d>\n", 123, (long)234, 345, 123456789, 456));
285 RESULT(printf ("Testing (hd) short: <%d><%ld><%hd><%hd><%d>\n", 123, (long)234, 345, 123456789, 456));
287 #if defined(__GNUC__) || defined (HAVE_LONG_LONG)
288 RESULT(checkit ("Testing (lld) long long: <%d><%lld><%d>\n", 123, 234234234234234234LL, 345));
289 RESULT(printf ("Testing (lld) long long: <%d><%lld><%d>\n", 123, 234234234234234234LL, 345));
290 RESULT(checkit ("Testing (Ld) long long: <%d><%Ld><%d>\n", 123, 234234234234234234LL, 345));
291 RESULT(printf ("Testing (Ld) long long: <%d><%Ld><%d>\n", 123, 234234234234234234LL, 345));
294 #if defined(__GNUC__) || defined (HAVE_LONG_DOUBLE)
295 RESULT(checkit ("Testing (Lf) long double: <%.20f><%.20Lf><%0+#.20f>\n",
296 1.23456, 1.234567890123456789L, 1.23456));
297 RESULT(printf ("Testing (Lf) long double: <%.20f><%.20Lf><%0+#.20f>\n",
298 1.23456, 1.234567890123456789L, 1.23456));
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