diff options
Diffstat (limited to 'stdio-common/vfprintf.c')
| -rw-r--r-- | stdio-common/vfprintf.c | 1710 |
1 files changed, 1158 insertions, 552 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index d6b9f9a092..26b31a6ed2 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) |