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-rw-r--r--stdio-common/vfprintf.c1710
1 files changed, 1158 insertions, 552 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index d6b9f9a..26b31a6 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -13,128 +13,162 @@ Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
#include <ctype.h>
-#include <errno.h>
-#include <float.h>
#include <limits.h>
-#include <math.h>
#include <printf.h>
#include <stdarg.h>
#include <stdlib.h>
-#include <string.h>
-#include <printf.h>
-#include <stddef.h>
+#include <wchar.h>
#include "_itoa.h"
#include "../locale/localeinfo.h"
+/* This code is shared between the standard stdio implementation found
+ in GNU C library and the libio implementation originally found in
+ GNU libg++.
+
+ Beside this it is also shared between the normal and wide character
+ implementation as defined in ISO/IEC 9899:1990/Amendment 1:1995. */
+
+#ifndef COMPILE_WPRINTF
+# define CHAR_T char
+# define UCHAR_T unsigned char
+# define INT_T int
+# define L_(Str) Str
+# define ISDIGIT(Ch) isdigit (Ch)
+
+# ifdef USE_IN_LIBIO
+# define PUT(F, S, N) _IO_sputn (F, S, N)
+# define PAD(Padchar) \
+ if (width > 0) \
+ done += _IO_padn (s, Padchar, width)
+# else
+# define PUTC(C, F) putc (C, F)
+ssize_t __printf_pad __P ((FILE *, char pad, size_t n));
+# define PAD(Padchar) \
+ if (width > 0) \
+ { if (__printf_pad (s, Padchar, width) == -1) \
+ return -1; else done += width; }
+# endif
+#else
+# define vfprintf vfwprintf
+# define CHAR_T wchar_t
+# define UCHAR_T uwchar_t
+# define INT_T wint_t
+# define L_(Str) L##Str
+# define ISDIGIT(Ch) iswdigit (Ch)
+
+# ifdef USE_IN_LIBIO
+# define PUT(F, S, N) _IO_sputn (F, S, N)
+# define PAD(Padchar) \
+ if (width > 0) \
+ done += _IO_wpadn (s, Padchar, width)
+# else
+# define PUTC(C, F) wputc (C, F)
+ssize_t __wprintf_pad __P ((FILE *, wchar_t pad, size_t n));
+# define PAD(Padchar) \
+ if (width > 0) \
+ { if (__wprintf_pad (s, Padchar, width) == -1) \
+ return -1; else done += width; }
+# endif
+#endif
+
/* Include the shared code for parsing the format string. */
#include "printf-parse.h"
-/* This function from the GNU C library is also used in libio.
- To compile for use in libio, compile with -DUSE_IN_LIBIO. */
-
#ifdef USE_IN_LIBIO
/* This code is for use in libio. */
-#include <libioP.h>
-#define PUT(f, s, n) _IO_sputn (f, s, n)
-#define PAD(padchar) \
- if (specs[cnt].info.width > 0) \
- done += _IO_padn (s, padchar, specs[cnt].info.width)
-#define PUTC(c, f) _IO_putc (c, f)
-#define vfprintf _IO_vfprintf
-#define size_t _IO_size_t
-#define FILE _IO_FILE
-#define va_list _IO_va_list
-#undef BUFSIZ
-#define BUFSIZ _IO_BUFSIZ
-#define ARGCHECK(s, format) \
+# include <libioP.h>
+# define PUTC(C, F) _IO_putc (C, F)
+# define vfprintf _IO_vfprintf
+# define size_t _IO_size_t
+# define FILE _IO_FILE
+# define va_list _IO_va_list
+# undef BUFSIZ
+# define BUFSIZ _IO_BUFSIZ
+# define ARGCHECK(S, Format) \
do \
{ \
/* Check file argument for consistence. */ \
- CHECK_FILE (s, -1); \
- if (s->_flags & _IO_NO_WRITES || format == NULL) \
+ CHECK_FILE (S, -1); \
+ if (S->_flags & _IO_NO_WRITES || Format == NULL) \
{ \
MAYBE_SET_EINVAL; \
return -1; \
} \
} while (0)
-#define UNBUFFERED_P(s) ((s)->_IO_file_flags & _IO_UNBUFFERED)
+# define UNBUFFERED_P(S) ((S)->_IO_file_flags & _IO_UNBUFFERED)
#else /* ! USE_IN_LIBIO */
/* This code is for use in the GNU C library. */
-#include <stdio.h>
-#define PUTC(c, f) putc (c, f)
-#define PUT(f, s, n) fwrite (s, 1, n, f)
-ssize_t __printf_pad __P ((FILE *, char pad, size_t n));
-#define PAD(padchar) \
- if (specs[cnt].info.width > 0) \
- { if (__printf_pad (s, padchar, specs[cnt].info.width) == -1) \
- return -1; else done += specs[cnt].info.width; }
-#define ARGCHECK(s, format) \
+# include <stdio.h>
+# define PUT(F, S, N) fwrite (S, 1, N, F)
+# define ARGCHECK(S, Format) \
do \
{ \
/* Check file argument for consistence. */ \
- if (!__validfp(s) || !s->__mode.__write || format == NULL) \
+ if (!__validfp(S) || !S->__mode.__write || Format == NULL) \
{ \
errno = EINVAL; \
return -1; \
} \
- if (!s->__seen) \
+ if (!S->__seen) \
{ \
- if (__flshfp (s, EOF) == EOF) \
+ if (__flshfp (S, EOF) == EOF) \
return -1; \
} \
- } while (0)
-#define UNBUFFERED_P(s) ((s)->__buffer == NULL)
+ } \
+ while (0)
+# define UNBUFFERED_P(s) ((s)->__buffer == NULL)
#endif /* USE_IN_LIBIO */
-#define outchar(x) \
+#define outchar(Ch) \
do \
{ \
- register const int outc = (x); \
+ register const int outc = (Ch); \
if (PUTC (outc, s) == EOF) \
return -1; \
else \
++done; \
- } while (0)
+ } \
+ while (0)
-#define outstring(string, len) \
+#define outstring(String, Len) \
do \
{ \
- if (len > 20) \
- { \
- if (PUT (s, string, len) != len) \
- return -1; \
- done += len; \
- } \
- else \
- { \
- register const char *cp = string; \
- register int l = len; \
- while (l-- > 0) \
- outchar (*cp++); \
- } \
- } while (0)
+ if (PUT (s, String, Len) != Len) \
+ return -1; \
+ done += Len; \
+ } \
+ while (0)
-/* Helper function to provide temporary buffering for unbuffered streams. */
-static int buffered_vfprintf __P ((FILE *stream, const char *fmt, va_list));
+/* For handling long_double and longlong we use the same flag. */
+#ifndef is_longlong
+# define is_longlong is_long_double
+#endif
+
+
+/* Global variables. */
+static const char null[] = "(null)";
-static printf_function printf_unknown;
-extern printf_function **__printf_function_table;
+/* Helper function to provide temporary buffering for unbuffered streams. */
+static int buffered_vfprintf __P ((FILE *stream, const CHAR_T *fmt, va_list));
+
+/* Handle unknown format specifier. */
+static int printf_unknown __P ((FILE *, const struct printf_info *,
+ const void *const *));
-static char *group_number __P ((char *, char *, const char *, wchar_t));
+/* Group digits of number string. */
+static char *group_number __P ((CHAR_T *, CHAR_T *, const CHAR_T *, wchar_t));
+/* The function itself. */
int
-vfprintf (s, format, ap)
- register FILE *s;
- const char *format;
- va_list ap;
+vfprintf (FILE *s, const CHAR_T *format, va_list ap)
{
/* The character used as thousands separator. */
wchar_t thousands_sep;
@@ -142,35 +176,613 @@ vfprintf (s, format, ap)
/* The string describing the size of groups of digits. */
const char *grouping;
- /* Array with information about the needed arguments. This has to be
- dynamically extendable. */
- size_t nspecs;
- size_t nspecs_max;
- struct printf_spec *specs;
+ /* Place to accumulate the result. */
+ int done;
- /* The number of arguments the format string requests. This will
- determine the size of the array needed to store the argument
- attributes. */
- size_t nargs;
- int *args_type;
- union printf_arg *args_value;
-
- /* Positional parameters refer to arguments directly. This could also
- determine the maximum number of arguments. Track the maximum number. */
- size_t max_ref_arg;
+ /* Current character in format string. */
+ const UCHAR_T *f;
/* End of leading constant string. */
- const char *lead_str_end;
+ const UCHAR_T *lead_str_end;
+
+ /* Points to next format specifier. */
+ const UCHAR_T *end_of_spec;
+
+ /* Buffer intermediate results. */
+ char work_buffer[1000];
+#define workend (&work_buffer[sizeof (work_buffer) - 1])
+
+ /* State for restartable multibyte character handling functions. */
+ mbstate_t mbstate;
+
+ /* We have to save the original argument pointer. */
+ va_list ap_save;
- /* Number of characters written. */
- register size_t done = 0;
+ /* Count number of specifiers we already processed. */
+ int nspecs_done;
+
+
+ /* This table maps a character into a number representing a
+ class. In each step there is a destination label for each
+ class. */
+ static const int jump_table[] =
+ {
+ /* ' ' */ 1, 0, 0, /* '#' */ 4,
+ 0, /* '%' */ 14, 0, /* '\''*/ 6,
+ 0, 0, /* '*' */ 7, /* '+' */ 2,
+ 0, /* '-' */ 3, /* '.' */ 9, 0,
+ /* '0' */ 5, /* '1' */ 8, /* '2' */ 8, /* '3' */ 8,
+ /* '4' */ 8, /* '5' */ 8, /* '6' */ 8, /* '7' */ 8,
+ /* '8' */ 8, /* '9' */ 8, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, /* 'E' */ 19, 0, /* 'G' */ 19,
+ 0, 0, 0, 0,
+ /* 'L' */ 12, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ /* 'X' */ 18, 0, /* 'Z' */ 13, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, /* 'c' */ 20,
+ /* 'd' */ 15, /* 'e' */ 19, /* 'f' */ 19, /* 'g' */ 19,
+ /* 'h' */ 10, /* 'i' */ 15, 0, 0,
+ /* 'l' */ 11, /* 'm' */ 24, /* 'n' */ 23, /* 'o' */ 17,
+ /* 'p' */ 22, /* 'q' */ 12, 0, /* 's' */ 21,
+ 0, /* 'u' */ 16, 0, 0,
+ /* 'x' */ 18
+ };
+
+#define NOT_IN_JUMP_RANGE(Ch) ((Ch) < ' ' || (Ch) > 'x')
+#define CHAR_CLASS(Ch) (jump_table[(int) (Ch) - ' '])
+#define JUMP(ChExpr, table) \
+ do \
+ { \
+ const void *ptr; \
+ spec = (ChExpr); \
+ ptr = NOT_IN_JUMP_RANGE (spec) ? REF (form_unknown) \
+ : table[CHAR_CLASS (spec)]; \
+ goto *ptr; \
+ } \
+ while (0)
+
+#define STEP0_3_TABLE \
+ /* Step 0: at the beginning. */ \
+ static const void *step0_jumps[25] = \
+ { \
+ REF (form_unknown), \
+ REF (flag_space), /* for ' ' */ \
+ REF (flag_plus), /* for '+' */ \
+ REF (flag_minus), /* for '-' */ \
+ REF (flag_hash), /* for '<hash>' */ \
+ REF (flag_zero), /* for '0' */ \
+ REF (flag_quote), /* for '\'' */ \
+ REF (width_asterics), /* for '*' */ \
+ REF (width), /* for '1'...'9' */ \
+ REF (precision), /* for '.' */ \
+ REF (mod_half), /* for 'h' */ \
+ REF (mod_long), /* for 'l' */ \
+ REF (mod_longlong), /* for 'L', 'q' */ \
+ REF (mod_size_t), /* for 'Z' */ \
+ REF (form_percent), /* for '%' */ \
+ REF (form_integer), /* for 'd', 'i' */ \
+ REF (form_unsigned), /* for 'u' */ \
+ REF (form_octal), /* for 'o' */ \
+ REF (form_hexa), /* for 'X', 'x' */ \
+ REF (form_float), /* for 'E', 'e', 'f', 'G', 'g' */ \
+ REF (form_character), /* for 'c' */ \
+ REF (form_string), /* for 's' */ \
+ REF (form_pointer), /* for 'p' */ \
+ REF (form_number), /* for 'n' */ \
+ REF (form_strerror) /* for 'm' */ \
+ }; \
+ /* Step 1: after processing width. */ \
+ static const void *step1_jumps[25] = \
+ { \
+ REF (form_unknown), \
+ REF (form_unknown), /* for ' ' */ \
+ REF (form_unknown), /* for '+' */ \
+ REF (form_unknown), /* for '-' */ \
+ REF (form_unknown), /* for '<hash>' */ \
+ REF (form_unknown), /* for '0' */ \
+ REF (form_unknown), /* for '\'' */ \
+ REF (form_unknown), /* for '*' */ \
+ REF (form_unknown), /* for '1'...'9' */ \
+ REF (precision), /* for '.' */ \
+ REF (mod_half), /* for 'h' */ \
+ REF (mod_long), /* for 'l' */ \
+ REF (mod_longlong), /* for 'L', 'q' */ \
+ REF (mod_size_t), /* for 'Z' */ \
+ REF (form_percent), /* for '%' */ \
+ REF (form_integer), /* for 'd', 'i' */ \
+ REF (form_unsigned), /* for 'u' */ \
+ REF (form_octal), /* for 'o' */ \
+ REF (form_hexa), /* for 'X', 'x' */ \
+ REF (form_float), /* for 'E', 'e', 'f', 'G', 'g' */ \
+ REF (form_character), /* for 'c' */ \
+ REF (form_string), /* for 's' */ \
+ REF (form_pointer), /* for 'p' */ \
+ REF (form_number), /* for 'n' */ \
+ REF (form_strerror) /* for 'm' */ \
+ }; \
+ /* Step 2: after processing precision. */ \
+ static const void *step2_jumps[25] = \
+ { \
+ REF (form_unknown), \
+ REF (form_unknown), /* for ' ' */ \
+ REF (form_unknown), /* for '+' */ \
+ REF (form_unknown), /* for '-' */ \
+ REF (form_unknown), /* for '<hash>' */ \
+ REF (form_unknown), /* for '0' */ \
+ REF (form_unknown), /* for '\'' */ \
+ REF (form_unknown), /* for '*' */ \
+ REF (form_unknown), /* for '1'...'9' */ \
+ REF (form_unknown), /* for '.' */ \
+ REF (mod_half), /* for 'h' */ \
+ REF (mod_long), /* for 'l' */ \
+ REF (mod_longlong), /* for 'L', 'q' */ \
+ REF (mod_size_t), /* for 'Z' */ \
+ REF (form_percent), /* for '%' */ \
+ REF (form_integer), /* for 'd', 'i' */ \
+ REF (form_unsigned), /* for 'u' */ \
+ REF (form_octal), /* for 'o' */ \
+ REF (form_hexa), /* for 'X', 'x' */ \
+ REF (form_float), /* for 'E', 'e', 'f', 'G', 'g' */ \
+ REF (form_character), /* for 'c' */ \
+ REF (form_string), /* for 's' */ \
+ REF (form_pointer), /* for 'p' */ \
+ REF (form_number), /* for 'n' */ \
+ REF (form_strerror) /* for 'm' */ \
+ }; \
+ /* Step 3: after processing first 'l' modifier. */ \
+ static const void *step3_jumps[25] = \
+ { \
+ REF (form_unknown), \
+ REF (form_unknown), /* for ' ' */ \
+ REF (form_unknown), /* for '+' */ \
+ REF (form_unknown), /* for '-' */ \
+ REF (form_unknown), /* for '<hash>' */ \
+ REF (form_unknown), /* for '0' */ \
+ REF (form_unknown), /* for '\'' */ \
+ REF (form_unknown), /* for '*' */ \
+ REF (form_unknown), /* for '1'...'9' */ \
+ REF (form_unknown), /* for '.' */ \
+ REF (form_unknown), /* for 'h' */ \
+ REF (mod_longlong), /* for 'l' */ \
+ REF (form_unknown), /* for 'L', 'q' */ \
+ REF (form_unknown), /* for 'Z' */ \
+ REF (form_percent), /* for '%' */ \
+ REF (form_integer), /* for 'd', 'i' */ \
+ REF (form_unsigned), /* for 'u' */ \
+ REF (form_octal), /* for 'o' */ \
+ REF (form_hexa), /* for 'X', 'x' */ \
+ REF (form_float), /* for 'E', 'e', 'f', 'G', 'g' */ \
+ REF (form_character), /* for 'c' */ \
+ REF (form_string), /* for 's' */ \
+ REF (form_pointer), /* for 'p' */ \
+ REF (form_number), /* for 'n' */ \
+ REF (form_strerror) /* for 'm' */ \
+ }
- /* Running pointer through format string. */
- const char *f;
+#define STEP4_TABLE \
+ /* Step 4: processing format specifier. */ \
+ static const void *step4_jumps[25] = \
+ { \
+ REF (form_unknown), \
+ REF (form_unknown), /* for ' ' */ \
+ REF (form_unknown), /* for '+' */ \
+ REF (form_unknown), /* for '-' */ \
+ REF (form_unknown), /* for '<hash>' */ \
+ REF (form_unknown), /* for '0' */ \
+ REF (form_unknown), /* for '\'' */ \
+ REF (form_unknown), /* for '*' */ \
+ REF (form_unknown), /* for '1'...'9' */ \
+ REF (form_unknown), /* for '.' */ \
+ REF (form_unknown), /* for 'h' */ \
+ REF (form_unknown), /* for 'l' */ \
+ REF (form_unknown), /* for 'L', 'q' */ \
+ REF (form_unknown), /* for 'Z' */ \
+ REF (form_percent), /* for '%' */ \
+ REF (form_integer), /* for 'd', 'i' */ \
+ REF (form_unsigned), /* for 'u' */ \
+ REF (form_octal), /* for 'o' */ \
+ REF (form_hexa), /* for 'X', 'x' */ \
+ REF (form_float), /* for 'E', 'e', 'f', 'G', 'g' */ \
+ REF (form_character), /* for 'c' */ \
+ REF (form_string), /* for 's' */ \
+ REF (form_pointer), /* for 'p' */ \
+ REF (form_number), /* for 'n' */ \
+ REF (form_strerror) /* for 'm' */ \
+ }
- /* Just a counter. */
- int cnt;
+#define process_arg(fspec) \
+ /* Start real work. We know about all flag and modifiers and \
+ now process the wanted format specifier. */ \
+ LABEL (form_percent): \
+ /* Write a literal "%". */ \
+ outchar ('%'); \
+ break; \
+ \
+ LABEL (form_integer): \
+ /* Signed decimal integer. */ \
+ base = 10; \
+ \
+ if (is_longlong) \
+ { \
+ long long int signed_number; \
+ \
+ signed_number = va_arg (ap, long long int); \
+ \
+ is_negative = signed_number < 0; \
+ number.longlong = is_negative ? (- signed_number) : signed_number; \
+ \
+ goto LABEL (longlong_number); \
+ } \
+ else \
+ { \
+ long int signed_number; \
+ \
+ if (is_long) \
+ signed_number = va_arg (ap, long int); \
+ else /* `short int' will be promoted to `int'. */ \
+ signed_number = va_arg (ap, int); \
+ \
+ is_negative = signed_number < 0; \
+ number.word = is_negative ? (- signed_number) : signed_number; \
+ \
+ goto LABEL (number); \
+ } \
+ /* NOTREACHED */ \
+ \
+ LABEL (form_unsigned): \
+ /* Unsigned decimal integer. */ \
+ base = 10; \
+ goto LABEL (unsigned_number); \
+ /* NOTREACHED */ \
+ \
+ LABEL (form_octal): \
+ /* Unsigned octal integer. */ \
+ base = 8; \
+ goto LABEL (unsigned_number); \
+ /* NOTREACHED */ \
+ \
+ LABEL (form_hexa): \
+ /* Unsigned hexadecimal integer. */ \
+ base = 16; \
+ \
+ LABEL (unsigned_number): /* Unsigned number of base BASE. */ \
+ \
+ /* ANSI specifies the `+' and ` ' flags only for signed \
+ conversions. */ \
+ is_negative = 0; \
+ showsign = 0; \
+ space = 0; \
+ \
+ if (is_longlong) \
+ { \
+ number.longlong = va_arg (ap, unsigned long long int); \
+ \
+ LABEL (longlong_number): \
+ if (prec < 0) \
+ /* Supply a default precision if none was given. */ \
+ prec = 1; \
+ else \
+ /* We have to take care for the '0' flag. If a precision \
+ is given it must be ignored. */ \
+ pad = ' '; \
+ \
+ /* If the precision is 0 and the number is 0 nothing has to \
+ be written for the number. */ \
+ if (prec == 0 && number.longlong == 0) \
+ string = workend; \
+ else \
+ { \
+ /* Put the number in WORK. */ \
+ string = _itoa (number.longlong, workend + 1, base, \
+ spec == 'X'); \
+ string -= 1; \
+ if (group && grouping) \
+ string = group_number (string, workend, grouping, \
+ thousands_sep); \
+ } \
+ /* Simply further test for num != 0. */ \
+ number.word = number.longlong != 0; \
+ } \
+ else \
+ { \
+ if (is_long) \
+ number.word = va_arg (ap, unsigned long int); \
+ else \
+ number.word = va_arg (ap, unsigned int); /* Promoted. */ \
+ \
+ LABEL (number): \
+ if (prec < 0) \
+ /* Supply a default precision if none was given. */ \
+ prec = 1; \
+ else \
+ /* We have to take care for the '0' flag. If a precision \
+ is given it must be ignored. */ \
+ pad = ' '; \
+ \
+ /* If the precision is 0 and the number is 0 nothing has to \
+ be written for the number. */ \
+ if (prec == 0 && number.word == 0) \
+ string = workend; \
+ else \
+ { \
+ /* Put the number in WORK. */ \
+ string = _itoa_word (number.word, workend + 1, base, \
+ spec == 'X'); \
+ string -= 1; \
+ if (group && grouping) \
+ string = group_number (string, workend, grouping, \
+ thousands_sep); \
+ } \
+ } \
+ \
+ prec -= workend - string; \
+ \
+ if (prec > 0) \
+ /* Add zeros to the precision. */ \
+ while (prec-- > 0) \
+ *string-- = '0'; \
+ else if (number.word != 0 && alt && base == 8) \
+ /* Add octal marker. */ \
+ *string-- = '0'; \
+ \
+ if (!left) \
+ { \
+ width -= workend - string; \
+ \
+ if (number.word != 0 && alt && base == 16) \
+ /* Account for 0X hex marker. */ \
+ width -= 2; \
+ \
+ if (is_negative || showsign || space) \
+ --width; \
+ \
+ if (pad == '0') \
+ { \
+ while (width-- > 0) \
+ *string-- = '0'; \
+ \
+ if (number.word != 0 && alt && base == 16) \
+ { \
+ *string-- = spec; \
+ *string-- = '0'; \
+ } \
+ \
+ if (is_negative) \
+ *string-- = '-'; \
+ else if (showsign) \
+ *string-- = '+'; \
+ else if (space) \
+ *string-- = ' '; \
+ } \
+ else \
+ { \
+ if (number.word != 0 && alt && base == 16) \
+ { \
+ *string-- = spec; \
+ *string-- = '0'; \
+ } \
+ \
+ if (is_negative) \
+ *string-- = '-'; \
+ else if (showsign) \
+ *string-- = '+'; \
+ else if (space) \
+ *string-- = ' '; \
+ \
+ while (width-- > 0) \
+ *string-- = ' '; \
+ } \
+ \
+ outstring (string + 1, workend - string); \
+ \
+ break; \
+ } \
+ else \
+ { \
+ if (number.word != 0 && alt && base == 16) \
+ { \
+ *string-- = spec; \
+ *string-- = '0'; \
+ } \
+ \
+ if (is_negative) \
+ *string-- = '-'; \
+ else if (showsign) \
+ *string-- = '+'; \
+ else if (space) \
+ *string-- = ' '; \
+ \
+ width -= workend - string; \
+ outstring (string + 1, workend - string); \
+ \
+ PAD (' '); \
+ break; \
+ } \
+ \
+ LABEL (form_float): \
+ { \
+ /* Floating-point number. This is handled by printf_fp.c. */ \
+ extern int __printf_fp __P ((FILE *, const struct printf_info *, \
+ const void **const)); \
+ const void *ptr; \
+ int function_done; \
+ \
+ if (is_long_double) \
+ the_arg.pa_long_double = va_arg (ap, long double); \
+ else \
+ the_arg.pa_double = va_arg (ap, double); \
+ \
+ ptr = (const void *) &the_arg; \
+ \
+ if (fspec == NULL) \
+ { \
+ struct printf_info info = { prec: prec, \
+ width: width, \
+ spec: spec, \
+ is_long_double: is_long_double, \
+ is_short: is_short, \
+ is_long: is_long, \
+ alt: alt, \
+ space: space, \
+ left: left, \
+ showsign: showsign, \
+ group: group, \
+ pad: pad }; \
+ \
+ function_done = __printf_fp (s, &info, &ptr); \
+ } \
+ else \
+ function_done = __printf_fp (s, &fspec->info, &ptr); \
+ \
+ if (function_done < 0) \
+ /* Error in print handler. */ \
+ return -1; \
+ \
+ done += function_done; \
+ } \
+ break; \
+ \
+ LABEL (form_character): \
+ /* Character. */ \
+ --width; /* Account for the character itself. */ \
+ if (!left) \
+ PAD (' '); \
+ outchar ((unsigned char) va_arg (ap, int)); /* Promoted. */ \
+ if (left) \
+ PAD (' '); \
+ break; \
+ \
+ LABEL (form_string): \
+ { \
+ size_t len; \
+ \
+ /* The string argument could in fact be `char *' or `wchar_t *'. \
+ But this should not make a difference here. */ \
+ string = (char *) va_arg (ap, const char *); \
+ \
+ /* Entry point for printing other strings. */ \
+ LABEL (print_string): \
+ \
+ if (string == NULL) \
+ { \
+ /* Write "(null)" if there's space. */ \
+ if (prec == -1 || prec >= (int) sizeof (null) - 1) \
+ { \
+ string = (char *) null; \
+ len = sizeof (null) - 1; \
+ } \
+ else \
+ { \
+ string = (char *) ""; \
+ len = 0; \
+ } \
+ } \
+ else if (!is_long) \
+ { \
+ if (prec != -1) \
+ { \
+ /* Search for the end of the string, but don't search past \
+ the length specified by the precision. */ \
+ const char *end = memchr (string, '\0', prec); \
+ if (end) \
+ len = end - string; \
+ else \
+ len = prec; \
+ } \
+ else \
+ len = strlen (string); \
+ } \
+ else \
+ { \
+ const wchar_t *s2 = (const wchar_t *) string; \
+ mbstate_t mbstate = 0; \
+ \
+ len = wcsrtombs (NULL, &s2, prec != -1 ? prec : UINT_MAX, \
+ &mbstate); \
+ if (len == (size_t) -1) \
+ /* Illegal wide-character string. */ \
+ return -1; \
+ \
+ s2 = (const wchar_t *) string; \
+ mbstate = 0; \
+ string = alloca (len + 1); \
+ (void) wcsrtombs (string, &s2, prec != -1 ? prec : UINT_MAX, \
+ &mbstate); \
+ } \
+ \
+ if ((width -= len) < 0) \
+ { \
+ outstring (string, len); \
+ break; \
+ } \
+ \
+ if (!left) \
+ PAD (' '); \
+ outstring (string, len); \
+ if (left) \
+ PAD (' '); \
+ } \
+ break; \
+ \
+ LABEL (form_pointer): \
+ /* Generic pointer. */ \
+ { \
+ const void *ptr; \
+ ptr = va_arg (ap, void *); \
+ if (ptr != NULL) \
+ { \
+ /* If the pointer is not NULL, write it as a %#x spec. */ \
+ base = 16; \
+ number.word = (unsigned long int) ptr; \
+ is_negative = 0; \
+ alt = 1; \
+ group = 0; \
+ spec = 'x'; \
+ goto LABEL (number); \
+ } \
+ else \
+ { \
+ /* Write "(nil)" for a nil pointer. */ \
+ string = (char *) "(nil)"; \
+ /* Make sure the full string "(nil)" is printed. */ \
+ if (prec < 5) \
+ prec = 5; \
+ is_long = 0; /* This is no wide-char string. */ \
+ goto LABEL (print_string); \
+ } \
+ } \
+ /* NOTREACHED */ \
+ \
+ LABEL (form_number): \
+ /* Answer the count of characters written. */ \
+ if (is_longlong) \
+ *(long long int *) va_arg (ap, void *) = done; \
+ else if (is_long) \
+ *(long int *) va_arg (ap, void *) = done; \
+ else if (!is_short) \
+ *(int *) va_arg (ap, void *) = done; \
+ else \
+ *(short int *) va_arg (ap, void *) = done; \
+ break; \
+ \
+ LABEL (form_strerror): \
+ /* Print description of error ERRNO. */ \
+ { \
+ extern char *_strerror_internal __P ((int, char *buf, size_t)); \
+ \
+ string = (char *) \
+ _strerror_internal (errno, work_buffer, sizeof work_buffer); \
+ } \
+ is_long = 0; /* This is no wide-char string. */ \
+ goto LABEL (print_string)
+
+
+ /* Sanity check of arguments. */
ARGCHECK (s, format);
if (UNBUFFERED_P (s))
@@ -178,101 +790,326 @@ vfprintf (s, format, ap)
for the stream and then call us again. */
return buffered_vfprintf (s, format, ap);
- /* Reset multibyte characters to their initial state. */
- (void) mblen ((char *) NULL, 0);
+ /* Initialize local variables. */
+ done = 0;
+ grouping = (const char *) -1;
+ mbstate = 0;
+ ap_save = ap;
+ nspecs_done = 0;
- /* Figure out the thousands separator character. */
- if (mbtowc (&thousands_sep, _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
- strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0)
- thousands_sep = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
- grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
- if (*grouping == '\0' || *grouping == CHAR_MAX || thousands_sep == L'\0')
- grouping = NULL;
+ /* Find the first format specifier. */
+ f = lead_str_end = find_spec (format, &mbstate);
- nspecs_max = 32; /* A more or less arbitrary start value. */
- specs = alloca (nspecs_max * sizeof (struct printf_spec));
- nspecs = 0;
- nargs = 0;
- max_ref_arg = 0;
+ /* Write the literal text before the first format. */
+ outstring ((const UCHAR_T *) format,
+ lead_str_end - (const UCHAR_T *) format);
- /* Find the first format specifier. */
- lead_str_end = find_spec (format);
+ /* If we only have to print a simple string, return now. */
+ if (*f == L_('\0'))
+ return done;
- for (f = lead_str_end; *f != '\0'; f = specs[nspecs++].next_fmt)
+ /* Process whole format string. */
+ do
{
- if (nspecs >= nspecs_max)
+#define REF(Name) &&do_##Name
+#define LABEL(Name) do_##Name
+ STEP0_3_TABLE;
+ STEP4_TABLE;
+
+ int is_negative; /* Flag for negative number. */
+ union
+ {
+ unsigned long long int longlong;
+ unsigned long int word;
+ } number;
+ int base;
+ union printf_arg the_arg;
+ char *string; /* Pointer to argument string. */
+ int alt = 0; /* Alternate format. */
+ int space = 0; /* Use space prefix if no sign is needed. */
+ int left = 0; /* Left-justify output. */
+ int showsign = 0; /* Always begin with plus or minus sign. */
+ int group = 0; /* Print numbers according grouping rules. */
+ int is_long_double = 0; /* Argument is long double/ long long int. */
+ int is_short = 0; /* Argument is long int. */
+ int is_long = 0; /* Argument is short int. */
+ int width = 0; /* Width of output; 0 means none specified. */
+ int prec = -1; /* Precision of output; -1 means none specified. */
+ char pad = ' '; /* Padding character. */
+ CHAR_T spec;
+
+ /* Get current character in format string. */
+ JUMP (*++f, step0_jumps);
+
+ /* ' ' flag. */
+ LABEL (flag_space):
+ space = 1;
+ JUMP (*++f, step0_jumps);
+
+ /* '+' flag. */
+ LABEL (flag_plus):
+ showsign = 1;
+ JUMP (*++f, step0_jumps);
+
+ /* The '-' flag. */
+ LABEL (flag_minus):
+ left = 1;
+ pad = L_(' ');
+ JUMP (*++f, step0_jumps);
+
+ /* The '#' flag. */
+ LABEL (flag_hash):
+ alt = 1;
+ JUMP (*++f, step0_jumps);
+
+ /* The '0' flag. */
+ LABEL (flag_zero):
+ if (!left)
+ pad = L_('0');
+ JUMP (*++f, step0_jumps);
+
+ /* The '\'' flag. */
+ LABEL (flag_quote):
+ group = 1;
+
+ /* XXX Completely wrong. Use wctob. */
+ if (grouping == (const char *) -1)
{
- /* Extend the array of format specifiers. */
- struct printf_spec *old = specs;
-
- nspecs_max *= 2;
- specs = alloca (nspecs_max * sizeof (struct printf_spec));
- if (specs == &old[nspecs])
- /* Stack grows up, OLD was the last thing allocated; extend it. */
- nspecs_max += nspecs_max / 2;
- else
- {
- /* Copy the old array's elements to the new space. */
- memcpy (specs, old, nspecs * sizeof (struct printf_spec));
- if (old == &specs[nspecs])
- /* Stack grows down, OLD was just below the new SPECS.
- We can use that space when the new space runs out. */
- nspecs_max += nspecs_max / 2;
- }
+ /* Figure out the thousands separator character. */
+ if (mbtowc (&thousands_sep,
+ _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
+ strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0)
+ thousands_sep = (wchar_t)
+ *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+ grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
+ if (*grouping == '\0' || *grouping == CHAR_MAX
+ || thousands_sep == L'\0')
+ grouping = NULL;
}
+ JUMP (*++f, step0_jumps);
- /* Parse the format specifier. */
- nargs += parse_one_spec (f, nargs, &specs[nspecs], &max_ref_arg);
- }
+ /* Get width from argument. */
+ LABEL (width_asterics):
+ {
+ const UCHAR_T *tmp; /* Temporary value. */
- /* Determine the number of arguments the format string consumes. */
- nargs = MAX (nargs, max_ref_arg);
+ tmp = ++f;
+ if (ISDIGIT (*tmp) && read_int (&tmp) && *tmp == L_('$'))
+ /* The width comes from an positional parameter. */
+ goto do_positional;
- /* Allocate memory for the argument descriptions. */
- args_type = alloca (nargs * sizeof (int));
- memset (args_type, 0, nargs * sizeof (int));
- args_value = alloca (nargs * sizeof (union printf_arg));
+ width = va_arg (ap, int);
- /* XXX Could do sanity check here: If any element in ARGS_TYPE is
- still zero after this loop, format is invalid. For now we simply
- use 0 as the value. */
+ /* Negative width means left justified. */
+ if (width < 0)
+ {
+ width = -width;
+ pad = L_(' ');
+ left = 1;
+ }
+ }
+ JUMP (*f, step1_jumps);
+
+ /* Given width in format string. */
+ LABEL (width):
+ width = read_int (&f);
+ if (*f == L_('$'))
+ /* Oh, oh. The argument comes from an positional parameter. */
+ goto do_positional;
+ JUMP (*f, step1_jumps);
+
+ LABEL (precision):
+ ++f;
+ if (*f == L_('*'))
+ {
+ const UCHAR_T *tmp; /* Temporary value. */
- /* Fill in the types of all the arguments. */
- for (cnt = 0; cnt < nspecs; ++cnt)
- {
- /* If the width is determined by an argument this is an int. */
- if (specs[cnt].width_arg != -1)
- args_type[specs[cnt].width_arg] = PA_INT;
+ tmp = ++f;
+ if (ISDIGIT (*tmp) && read_int (&tmp) > 0 && *tmp == L_('$'))
+ /* The precision comes from an positional parameter. */
+ goto do_positional;
- /* If the precision is determined by an argument this is an int. */
- if (specs[cnt].prec_arg != -1)
- args_type[specs[cnt].prec_arg] = PA_INT;
+ prec = va_arg (ap, int);
- switch (specs[cnt].ndata_args)
+ /* If the precision is negative the precision is omitted. */
+ if (prec < 0)
+ prec = -1;
+ }
+ else if (ISDIGIT (*f))
+ prec = read_int (&f);
+ else
+ prec = 0;
+ JUMP (*f, step2_jumps);
+
+ /* Process 'h' modifier. No other modifier is allowed to
+ follow. */
+ LABEL (mod_half):
+ is_short = 1;
+ JUMP (*++f, step4_jumps);
+
+ /* Process 'l' modifier. There might another 'l' follow. */
+ LABEL (mod_long):
+ is_long = 1;
+ JUMP (*++f, step3_jumps);
+
+ /* Process 'L', 'q', or 'll' modifier. No other modifier is
+ allowed to follow. */
+ LABEL (mod_longlong):
+ is_long_double = 1;
+ JUMP (*++f, step4_jumps);
+
+ LABEL (mod_size_t):
+ is_longlong = sizeof (size_t) > sizeof (unsigned long int);
+ is_long = sizeof (size_t) > sizeof (unsigned int);
+ JUMP (*++f, step4_jumps);
+
+
+ /* Process current format. */
+ while (1)
{
- case 0: /* No arguments. */
- break;
- case 1: /* One argument; we already have the type. */
- args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type;
- break;
- default:
- /* We have more than one argument for this format spec. We must
- call the arginfo function again to determine all the types. */
- (void) (*__printf_arginfo_table[specs[cnt].info.spec])
- (&specs[cnt].info,
- specs[cnt].ndata_args, &args_type[specs[cnt].data_arg]);
- break;
+ process_arg (((struct printf_spec *) NULL));
+
+ LABEL (form_unknown):
+ if (spec == L_('\0'))
+ /* The format string ended before the specifier is complete. */
+ return -1;
+
+ /* If we are in the fast loop force entering the complicated
+ one. */
+ goto do_positional;
}
+
+ /* Look for next format specifier. */
+ f = find_spec ((end_of_spec = ++f), &mbstate);
+
+ /* Write the following constant string. */
+ outstring (end_of_spec, f - end_of_spec);
}
+ while (*f != L_('\0'));
- /* Now we know all the types and the order. Fill in the argument values. */
- for (cnt = 0; cnt < nargs; ++cnt)
- switch (args_type[cnt])
+ /* We processed the whole format without any positional parameters. */
+ return done;
+
+ /* Here starts the more complex loop to handle positional parameters. */
+do_positional:
+ {
+ /* Array with information about the needed arguments. This has to
+ be dynamically extendable. */
+ size_t nspecs = 0;
+ size_t nspecs_max = 32; /* A more or less arbitrary start value. */
+ struct printf_spec *specs
+ = alloca (nspecs_max * sizeof (struct printf_spec));
+
+ /* The number of arguments the format string requests. This will
+ determine the size of the array needed to store the argument
+ attributes. */
+ size_t nargs = 0;
+ int *args_type;
+ union printf_arg *args_value;
+
+ /* Positional parameters refer to arguments directly. This could
+ also determine the maximum number of arguments. Track the
+ maximum number. */
+ size_t max_ref_arg = 0;
+
+ /* Just a counter. */
+ int cnt;
+
+
+ if (grouping == (const char *) -1)
{
+ /* XXX Use wctob. But this is incompatible for now. */
+ /* Figure out the thousands separator character. */
+ if (mbtowc (&thousands_sep,
+ _NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP),
+ strlen (_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP))) <= 0)
+ thousands_sep = (wchar_t) *_NL_CURRENT (LC_NUMERIC, THOUSANDS_SEP);
+ grouping = _NL_CURRENT (LC_NUMERIC, GROUPING);
+ if (*grouping == '\0' || *grouping == CHAR_MAX
+ || thousands_sep == L'\0')
+ grouping = NULL;
+ }
+
+ for (f = lead_str_end; *f != '\0'; f = specs[nspecs++].next_fmt)
+ {
+ if (nspecs >= nspecs_max)
+ {
+ /* Extend the array of format specifiers. */
+ struct printf_spec *old = specs;
+
+ nspecs_max *= 2;
+ specs = alloca (nspecs_max * sizeof (struct printf_spec));
+
+ if (specs == &old[nspecs])
+ /* Stack grows up, OLD was the last thing allocated;
+ extend it. */
+ nspecs_max += nspecs_max / 2;
+ else
+ {
+ /* Copy the old array's elements to the new space. */
+ memcpy (specs, old, nspecs * sizeof (struct printf_spec));
+ if (old == &specs[nspecs])
+ /* Stack grows down, OLD was just below the new
+ SPECS. We can use that space when the new space
+ runs out. */
+ nspecs_max += nspecs_max / 2;
+ }
+ }
+
+ /* Parse the format specifier. */
+ nargs += parse_one_spec (f, nargs, &specs[nspecs], &max_ref_arg, NULL);
+ }
+
+ /* Determine the number of arguments the format string consumes. */
+ nargs = MAX (nargs, max_ref_arg);
+
+ /* Allocate memory for the argument descriptions. */
+ args_type = alloca (nargs * sizeof (int));
+ memset (args_type, 0, nargs * sizeof (int));
+ args_value = alloca (nargs * sizeof (union printf_arg));
+
+ /* XXX Could do sanity check here: If any element in ARGS_TYPE is
+ still zero after this loop, format is invalid. For now we
+ simply use 0 as the value. */
+
+ /* Fill in the types of all the arguments. */
+ for (cnt = 0; cnt < nspecs; ++cnt)
+ {
+ /* If the width is determined by an argument this is an int. */
+ if (specs[cnt].width_arg != -1)
+ args_type[specs[cnt].width_arg] = PA_INT;
+
+ /* If the precision is determined by an argument this is an int. */
+ if (specs[cnt].prec_arg != -1)
+ args_type[specs[cnt].prec_arg] = PA_INT;
+
+ switch (specs[cnt].ndata_args)
+ {
+ case 0: /* No arguments. */
+ break;
+ case 1: /* One argument; we already have the type. */
+ args_type[specs[cnt].data_arg] = specs[cnt].data_arg_type;
+ break;
+ default:
+ /* We have more than one argument for this format spec.
+ We must call the arginfo function again to determine
+ all the types. */
+ (void) (*__printf_arginfo_table[specs[cnt].info.spec])
+ (&specs[cnt].info,
+ specs[cnt].ndata_args, &args_type[specs[cnt].data_arg]);
+ break;
+ }
+ }
+
+ /* Now we know all the types and the order. Fill in the argument
+ values. */
+ for (cnt = 0, ap = ap_save; cnt < nargs; ++cnt)
+ switch (args_type[cnt])
+ {
#define T(tag, mem, type) \
- case tag: \
- args_value[cnt].mem = va_arg (ap, type); \
- break
+ case tag: \
+ args_value[cnt].mem = va_arg (ap, type); \
+ break
T (PA_CHAR, pa_char, int); /* Promoted. */
T (PA_INT|PA_FLAG_SHORT, pa_short_int, int); /* Promoted. */
@@ -285,349 +1122,126 @@ vfprintf (s, format, ap)
T (PA_STRING, pa_string, const char *);
T (PA_POINTER, pa_pointer, void *);
#undef T
- default:
- if ((args_type[cnt] & PA_FLAG_PTR) != 0)
- args_value[cnt].pa_pointer = va_arg (ap, void *);
- else
- args_value[cnt].pa_long_double = 0.0;
- break;
- }
-
- /* Write the literal text before the first format. */
- outstring (format, lead_str_end - format);
+ default:
+ if ((args_type[cnt] & PA_FLAG_PTR) != 0)
+ args_value[cnt].pa_pointer = va_arg (ap, void *);
+ else
+ args_value[cnt].pa_long_double = 0.0;
+ break;
+ }
- /* Now walk through all format specifiers and process them. */
- for (cnt = 0; cnt < nspecs; ++cnt)
- {
- printf_function *function; /* Auxiliary function to do output. */
- int is_neg; /* Decimal integer is negative. */
- int base; /* Base of a number to be written. */
- unsigned long long int num; /* Integral number to be written. */
- const char *str; /* String to be written. */
- char errorbuf[1024]; /* Buffer sometimes used by %m. */
-
- if (specs[cnt].width_arg != -1)
+ /* Now walk through all format specifiers and process them. */
+ for (; nspecs_done < nspecs; ++nspecs_done)
+ {
+#undef REF
+#define REF(Name) &&do2_##Name
+#undef LABEL
+#define LABEL(Name) do2_##Name
+ STEP4_TABLE;
+
+ int is_negative;
+ union
{
- /* Extract the field width from an argument. */
- specs[cnt].info.width = args_value[specs[cnt].width_arg].pa_int;
+ unsigned long long int longlong;
+ unsigned long int word;
+ } number;
+ int base;
+ union printf_arg the_arg;
+ char *string; /* Pointer to argument string. */
+
+ /* Fill variables from values in struct. */
+ int alt = specs[nspecs_done].info.alt;
+ int space = specs[nspecs_done].info.space;
+ int left = specs[nspecs_done].info.left;
+ int showsign = specs[nspecs_done].info.showsign;
+ int group = specs[nspecs_done].info.group;
+ int is_long_double = specs[nspecs_done].info.is_long_double;
+ int is_short = specs[nspecs_done].info.is_short;
+ int is_long = specs[nspecs_done].info.is_long;
+ int width = specs[nspecs_done].info.width;
+ int prec = specs[nspecs_done].info.prec;
+ char pad = specs[nspecs_done].info.pad;
+ CHAR_T spec = specs[nspecs_done].info.spec;
+
+ /* Fill in last information. */
+ if (specs[nspecs_done].width_arg != -1)
+ {
+ /* Extract the field width from an argument. */
+ specs[nspecs_done].info.width =
+ args_value[specs[nspecs_done].width_arg].pa_int;
+
+ if (specs[nspecs_done].info.width < 0)
+ /* If the width value is negative left justification is
+ selected and the value is taken as being positive. */
+ {
+ specs[nspecs_done].info.width *= -1;
+ left = specs[nspecs_done].info.left = 1;
+ }
+ width = specs[nspecs_done].info.width;
+ }
- if (specs[cnt].info.width < 0)
- /* If the width value is negative left justification is selected
- and the value is taken as being positive. */
- {
- specs[cnt].info.width = -specs[cnt].info.width;
- specs[cnt].info.left = 1;
- }
- }
+ if (specs[nspecs_done].prec_arg != -1)
+ {
+ /* Extract the precision from an argument. */
+ specs[nspecs_done].info.prec =
+ args_value[specs[nspecs_done].prec_arg].pa_int;
- if (specs[cnt].prec_arg != -1)
- {
- /* Extract the precision from an argument. */
- specs[cnt].info.prec = args_value[specs[cnt].prec_arg].pa_int;
+ if (specs[nspecs_done].info.prec < 0)
+ /* If the precision is negative the precision is
+ omitted. */
+ specs[nspecs_done].info.prec = -1;
- if (specs[cnt].info.prec < 0)
- /* If the precision is negative the precision is omitted. */
- specs[cnt].info.prec = -1;
- }
+ prec = specs[nspecs_done].info.prec;
+ }
- /* Check for a user-defined handler for this spec. */
- function = (__printf_function_table == NULL ? NULL :
- __printf_function_table[specs[cnt].info.spec]);
+ /* Process format specifiers. */
+ while (1)
+ {
+ JUMP (spec, step4_jumps);
- if (function != NULL)
- use_function: /* Built-in formats with helpers use this. */
- {
- int function_done;
- unsigned int i;
- const void *ptr[specs[cnt].ndata_args];
+ process_arg ((&specs[nspecs_done]));
- /* Fill in an array of pointers to the argument values. */
- for (i = 0; i < specs[cnt].ndata_args; ++i)
- ptr[i] = &args_value[specs[cnt].data_arg + i];
+ LABEL (form_unknown):
+ {
+ extern printf_function **__printf_function_table;
+ int function_done;
+ printf_function *function;
+ unsigned int i;
+ const void **ptr;
- /* Call the function. */
- function_done = (*function) (s, &specs[cnt].info, ptr);
+ function =
+ (__printf_function_table == NULL ? NULL :
+ __printf_function_table[specs[nspecs_done].info.spec]);
- /* If an error occured don't do any further work. */
- if (function_done < 0)
- return -1;
+ if (function == NULL)
+ function = &printf_unknown;
- done += function_done;
- }
- else
- switch (specs[cnt].info.spec)
- {
- case '%':
- /* Write a literal "%". */
- outchar ('%');
- break;
- case 'i':
- case 'd':
- {
- long long int signed_num;
-
- /* Decimal integer. */
- base = 10;
- if (specs[cnt].info.is_longlong)
- signed_num = args_value[specs[cnt].data_arg].pa_long_long_int;
- else if (specs[cnt].info.is_long)
- signed_num = args_value[specs[cnt].data_arg].pa_long_int;
- else if (!specs[cnt].info.is_short)
- signed_num = args_value[specs[cnt].data_arg].pa_int;
- else
- signed_num = args_value[specs[cnt].data_arg].pa_short_int;
-
- is_neg = signed_num < 0;
- num = is_neg ? (- signed_num) : signed_num;
- goto number;
- }
+ ptr = alloca (specs[nspecs_done].ndata_args
+ * sizeof (const void *));
+
+ /* Fill in an array of pointers to the argument values. */
+ for (i = 0; i < specs[nspecs_done].ndata_args; ++i)
+ ptr[i] = &args_value[specs[nspecs_done].data_arg + i];
- case 'u':
- /* Decimal unsigned integer. */
- base = 10;
- goto unsigned_number;
-
- case 'o':
- /* Octal unsigned integer. */
- base = 8;
- goto unsigned_number;
-
- case 'X':
- /* Hexadecimal unsigned integer. */
- case 'x':
- /* Hex with lower-case digits. */
- base = 16;
-
- unsigned_number:
- /* Unsigned number of base BASE. */
-
- if (specs[cnt].info.is_longlong)
- num = args_value[specs[cnt].data_arg].pa_u_long_long_int;
- else if (specs[cnt].info.is_long)
- num = args_value[specs[cnt].data_arg].pa_u_long_int;
- else if (!specs[cnt].info.is_short)
- num = args_value[specs[cnt].data_arg].pa_u_int;
- else
- num = args_value[specs[cnt].data_arg].pa_u_short_int;
-
- /* ANSI only specifies the `+' and
- ` ' flags for signed conversions. */
- is_neg = 0;
- specs[cnt].info.showsign = 0;
- specs[cnt].info.space = 0;
-
- number:
- /* Number of base BASE. */
- {
- char work[BUFSIZ];
- char *const workend = &work[sizeof(work) - 1];
- register char *w;
-
- if (specs[cnt].info.prec == -1)
- /* Supply a default precision if none was given. */
- specs[cnt].info.prec = 1;
- else
- /* We have to take care for the '0' flag. If a
- precision is given it must be ignored. */
- specs[cnt].info.pad = ' ';
-
- /* If the precision is 0 and the number is 0 nothing has
- to be written for the number. */
- if (specs[cnt].info.prec == 0 && num == 0)
- w = workend;
- else
- {
- /* Put the number in WORK. */
- w = _itoa (num, workend + 1, base,
- specs[cnt].info.spec == 'X');
- w -= 1;
- if (specs[cnt].info.group && grouping)
- w = group_number (w, workend, grouping, thousands_sep);
- }
- specs[cnt].info.width -= workend - w;
- specs[cnt].info.prec -= workend - w;
-
- if (num != 0 && specs[cnt].info.alt && base == 8
- && specs[cnt].info.prec <= 0)
- {
- /* Add octal marker. */
- *w-- = '0';
- --specs[cnt].info.width;
- }
-
- if (specs[cnt].info.prec > 0)
- {
- /* Add zeros to the precision. */
- specs[cnt].info.width -= specs[cnt].info.prec;
- while (specs[cnt].info.prec-- > 0)
- *w-- = '0';
- }
-
- if (num != 0 && specs[cnt].info.alt && base == 16)
- /* Account for 0X hex marker. */
- specs[cnt].info.width -= 2;
-
- if (is_neg || specs[cnt].info.showsign || specs[cnt].info.space)
- --specs[cnt].info.width;
-
- if (!specs[cnt].info.left && specs[cnt].info.pad == ' ')
- PAD (' ');
-
- if (is_neg)
- outchar ('-');
- else if (specs[cnt].info.showsign)
- outchar ('+');
- else if (specs[cnt].info.space)
- outchar (' ');
-
- if (num != 0 && specs[cnt].info.alt && base == 16)
- {
- outchar ('0');
- outchar (specs[cnt].info.spec);
- }
-
- if (!specs[cnt].info.left && specs[cnt].info.pad == '0')
- PAD ('0');
-
- /* Write the number. */
- while (++w <= workend)
- outchar (*w);
-
- if (specs[cnt].info.left)
- PAD (' ');
- }
- break;
-
- case 'e':
- case 'E':
- case 'f':
- case 'g':
- case 'G':
- {
- /* Floating-point number. This is handled by printf_fp.c. */
- extern printf_function __printf_fp;
- function = __printf_fp;
- goto use_function;
- }
-
- case 'c':
- /* Character. */
- --specs[cnt].info.width;/* Account for the character itself. */
- if (!specs[cnt].info.left)
- PAD (' ');
- outchar ((unsigned char) args_value[specs[cnt].data_arg].pa_char);
- if (specs[cnt].info.left)
- PAD (' ');
- break;
-
- case 's':
- {
- static const char null[] = "(null)";
- size_t len;
-
- str = args_value[specs[cnt].data_arg].pa_string;
-
- string:
-
- if (str == NULL)
- {
- /* Write "(null)" if there's space. */
- if (specs[cnt].info.prec == -1
- || specs[cnt].info.prec >= (int) sizeof (null) - 1)
- {
- str = null;
- len = sizeof (null) - 1;
- }
- else
- {
- str = "";
- len = 0;
- }
- }
- else if (specs[cnt].info.prec != -1)
- {
- /* Search for the end of the string, but don't search
- past the length specified by the precision. */
- const char *end = memchr (str, '\0', specs[cnt].info.prec);
- if (end)
- len = end - str;
- else
- len = specs[cnt].info.prec;
- }
- else
- len = strlen (str);
-
- specs[cnt].info.width -= len;
-
- if (!specs[cnt].info.left)
- PAD (' ');
- outstring (str, len);
- if (specs[cnt].info.left)
- PAD (' ');
- }
- break;
-
- case 'p':
- /* Generic pointer. */
- {
- const void *ptr;
- ptr = args_value[specs[cnt].data_arg].pa_pointer;
- if (ptr != NULL)
- {
- /* If the pointer is not NULL, write it as a %#x spec. */
- base = 16;
- num = (unsigned long long int) (unsigned long int) ptr;
- is_neg = 0;
- specs[cnt].info.alt = 1;
- specs[cnt].info.spec = 'x';
- specs[cnt].info.group = 0;
- goto number;
- }
- else
- {
- /* Write "(nil)" for a nil pointer. */
- str = "(nil)";
- /* Make sure the full string "(nil)" is printed. */
- if (specs[cnt].info.prec < 5)
- specs[cnt].info.prec = 5;
- goto string;
- }
- }
- break;
-
- case 'n':
- /* Answer the count of characters written. */
- if (specs[cnt].info.is_longlong)
- *(long long int *)
- args_value[specs[cnt].data_arg].pa_pointer = done;
- else if (specs[cnt].info.is_long)
- *(long int *)
- args_value[specs[cnt].data_arg].pa_pointer = done;
- else if (!specs[cnt].info.is_short)
- *(int *)
- args_value[specs[cnt].data_arg].pa_pointer = done;
- else
- *(short int *)
- args_value[specs[cnt].data_arg].pa_pointer = done;
- break;
-
- case 'm':
- {
- extern char *_strerror_internal __P ((int, char *buf, size_t));
- str = _strerror_internal (errno, errorbuf, sizeof errorbuf);
- goto string;
- }
-
- default:
- /* Unrecognized format specifier. */
- function = printf_unknown;
- goto use_function;
+ /* Call the function. */
+ function_done = (*function) (s, &specs[nspecs_done].info, ptr);
+
+ /* If an error occured we don't have information about #
+ of chars. */
+ if (function_done < 0)
+ return -1;
+
+ done += function_done;
+ }
+ break;
}
- /* Write the following constant string. */
- outstring (specs[cnt].end_of_fmt,
- specs[cnt].next_fmt - specs[cnt].end_of_fmt);
- }
+ /* Write the following constant string. */
+ outstring (specs[nspecs_done].end_of_fmt,
+ specs[nspecs_done].next_fmt
+ - specs[nspecs_done].end_of_fmt);
+ }
+ }
return done;
}
@@ -636,7 +1250,7 @@ vfprintf (s, format, ap)
# undef vfprintf
# ifdef strong_alias
/* This is for glibc. */
-strong_alias (_IO_vfprintf, vfprintf)
+strong_alias (_IO_vfprintf, vfprintf);
# else
# if defined __ELF__ || defined __GNU_LIBRARY__
# include <gnu-stabs.h>
@@ -646,20 +1260,16 @@ weak_alias (_IO_vfprintf, vfprintf);
# endif
# endif
#endif
-
-
+
/* Handle an unknown format specifier. This prints out a canonicalized
representation of the format spec itself. */
-
static int
-printf_unknown (s, info, args)
- FILE *s;
- const struct printf_info *info;
- const void *const *args;
+printf_unknown (FILE *s, const struct printf_info *info,
+ const void *const *args)
+
{
int done = 0;
- char work[BUFSIZ];
- char *const workend = &work[sizeof(work) - 1];
+ char work_buffer[BUFSIZ];
register char *w;
outchar ('%');
@@ -679,7 +1289,7 @@ printf_unknown (s, info, args)
if (info->width != 0)
{
- w = _itoa (info->width, workend + 1, 10, 0);
+ w = _itoa_word (info->width, workend + 1, 10, 0);
while (++w <= workend)
outchar (*w);
}
@@ -687,7 +1297,7 @@ printf_unknown (s, info, args)
if (info->prec != -1)
{
outchar ('.');
- w = _itoa (info->prec, workend + 1, 10, 0);
+ w = _itoa_word (info->prec, workend + 1, 10, 0);
while (++w <= workend)
outchar (*w);
}
@@ -700,9 +1310,8 @@ printf_unknown (s, info, args)
/* Group the digits according to the grouping rules of the current locale.
The interpretation of GROUPING is as in `struct lconv' from <locale.h>. */
-
static char *
-group_number (char *w, char *workend, const char *grouping,
+group_number (CHAR_T *w, CHAR_T *rear_ptr, const CHAR_T *grouping,
wchar_t thousands_sep)
{
int len;
@@ -717,10 +1326,10 @@ group_number (char *w, char *workend, const char *grouping,
len = *grouping;
/* Copy existing string so that nothing gets overwritten. */
- src = (char *) alloca (workend - w);
- memcpy (src, w + 1, workend - w);
- s = &src[workend - w - 1];
- w = workend;
+ src = (char *) alloca (rear_ptr - w);
+ memcpy (src, w + 1, rear_ptr - w);
+ s = &src[rear_ptr - w - 1];
+ w = rear_ptr;
/* Process all characters in the string. */
while (s >= src)
@@ -772,32 +1381,30 @@ _IO_helper_overflow (_IO_FILE *s, int c)
}
static const struct _IO_jump_t _IO_helper_jumps =
- {
- JUMP_INIT_DUMMY,
- JUMP_INIT (finish, _IO_default_finish),
- JUMP_INIT (overflow, _IO_helper_overflow),
- JUMP_INIT (underflow, _IO_default_underflow),
- JUMP_INIT (uflow, _IO_default_uflow),
- JUMP_INIT (pbackfail, _IO_default_pbackfail),
- JUMP_INIT (xsputn, _IO_default_xsputn),
- JUMP_INIT (xsgetn, _IO_default_xsgetn),
- JUMP_INIT (seekoff, _IO_default_seekoff),
- JUMP_INIT (seekpos, _IO_default_seekpos),
- JUMP_INIT (setbuf, _IO_default_setbuf),
- JUMP_INIT (sync, _IO_default_sync),
- JUMP_INIT (doallocate, _IO_default_doallocate),
- JUMP_INIT (read, _IO_default_read),
- JUMP_INIT (write, _IO_default_write),
- JUMP_INIT (seek, _IO_default_seek),
- JUMP_INIT (close, _IO_default_close),
- JUMP_INIT (stat, _IO_default_stat)
- };
+{
+ JUMP_INIT_DUMMY,
+ JUMP_INIT (finish, _IO_default_finish),
+ JUMP_INIT (overflow, _IO_helper_overflow),
+ JUMP_INIT (underflow, _IO_default_underflow),
+ JUMP_INIT (uflow, _IO_default_uflow),
+ JUMP_INIT (pbackfail, _IO_default_pbackfail),
+ JUMP_INIT (xsputn, _IO_default_xsputn),
+ JUMP_INIT (xsgetn, _IO_default_xsgetn),
+ JUMP_INIT (seekoff, _IO_default_seekoff),
+ JUMP_INIT (seekpos, _IO_default_seekpos),
+ JUMP_INIT (setbuf, _IO_default_setbuf),
+ JUMP_INIT (sync, _IO_default_sync),
+ JUMP_INIT (doallocate, _IO_default_doallocate),
+ JUMP_INIT (read, _IO_default_read),
+ JUMP_INIT (write, _IO_default_write),
+ JUMP_INIT (seek, _IO_default_seek),
+ JUMP_INIT (close, _IO_default_close),
+ JUMP_INIT (stat, _IO_default_stat)
+};
static int
-buffered_vfprintf (s, format, args)
- register _IO_FILE *s;
- char const *format;
- _IO_va_list args;
+buffered_vfprintf (register _IO_FILE *s, const CHAR_T *format,
+ _IO_va_list args)
{
char buf[_IO_BUFSIZ];
struct helper_file helper;
@@ -828,10 +1435,7 @@ buffered_vfprintf (s, format, args)
#else /* !USE_IN_LIBIO */
static int
-buffered_vfprintf (s, format, args)
- register FILE *s;
- char const *format;
- va_list args;
+buffered_vfprintf (register FILE *s, const CHAR_T *format, va_list args)
{
char buf[BUFSIZ];
int result;
@@ -851,26 +1455,28 @@ buffered_vfprintf (s, format, args)
return result;
}
-
-
+
/* Pads string with given number of a specified character.
This code is taken from iopadn.c of the GNU I/O library. */
#define PADSIZE 16
-static const char blanks[PADSIZE] =
-{' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' '};
-static const char zeroes[PADSIZE] =
-{'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
+static const CHAR_T blanks[PADSIZE] =
+{ L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '),
+ L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' '), L_(' ') };
+static const CHAR_T zeroes[PADSIZE] =
+{ L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'),
+ L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0'), L_('0') };
ssize_t
-__printf_pad (s, pad, count)
- FILE *s;
- char pad;
- size_t count;
+#ifndef COMPILE_WPRINTF
+__printf_pad (FILE *s, char pad, size_t count)
+#else
+__wprintf_pad (FILE *s, wchar_t pad, size_t count)
+#endif
{
- const char *padptr;
+ const CHAR_T *padptr;
register size_t i;
- padptr = pad == ' ' ? blanks : zeroes;
+ padptr = pad == L_(' ') ? blanks : zeroes;
for (i = count; i >= PADSIZE; i -= PADSIZE)
if (PUT (s, padptr, PADSIZE) != PADSIZE)