diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/printf-parse.h | 5 | ||||
| -rw-r--r-- | stdio-common/vfprintf.c | 61 | ||||
| -rw-r--r-- | stdio-common/vfscanf.c | 19 |
3 files changed, 70 insertions, 15 deletions
diff --git a/stdio-common/printf-parse.h b/stdio-common/printf-parse.h index f1fecdb275..30f381320e 100644 --- a/stdio-common/printf-parse.h +++ b/stdio-common/printf-parse.h @@ -275,7 +275,10 @@ parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec, { case L_('h'): /* int's are short int's. */ - spec->info.is_short = 1; + if (spec->info.is_short == 0) + spec->info.is_short = 1; + else + spec->info.is_short = 2; break; case L_('l'): /* int's are long int's. */ diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index d97476b13a..de30c9a20c 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -26,7 +26,7 @@ #include <bits/libc-lock.h> #include <sys/param.h> #include "_itoa.h" -#include "../locale/localeinfo.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 @@ -364,8 +364,39 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) REF (form_wcharacter), /* for 'C' */ \ REF (form_floathex) /* for 'A', 'a' */ \ }; \ - /* Step 3: after processing first 'l' modifier. */ \ - static const void *step3_jumps[27] = \ + /* Step 3a: after processing first 'h' modifier. */ \ + static const void *step3a_jumps[27] = \ + { \ + 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_halfhalf), /* 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_unknown), /* for 'E', 'e', 'f', 'G', 'g' */ \ + REF (form_unknown), /* for 'c' */ \ + REF (form_unknown), /* for 's', 'S' */ \ + REF (form_unknown), /* for 'p' */ \ + REF (form_number), /* for 'n' */ \ + REF (form_unknown), /* for 'm' */ \ + REF (form_unknown), /* for 'C' */ \ + REF (form_unknown) /* for 'A', 'a' */ \ + }; \ + /* Step 3b: after processing first 'l' modifier. */ \ + static const void *step3b_jumps[27] = \ { \ REF (form_unknown), \ REF (form_unknown), /* for ' ' */ \ @@ -463,7 +494,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) if (fspec == NULL) \ if (is_long) \ signed_number = va_arg (ap, long int); \ - else /* `short int' will be promoted to `int'. */ \ + else /* `char' and `short int' will be promoted to `int'. */ \ signed_number = va_arg (ap, int); \ else \ if (is_long) \ @@ -496,7 +527,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) \ LABEL (unsigned_number): /* Unsigned number of base BASE. */ \ \ - /* ANSI specifies the `+' and ` ' flags only for signed \ + /* ISO specifies the `+' and ` ' flags only for signed \ conversions. */ \ is_negative = 0; \ showsign = 0; \ @@ -547,6 +578,9 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) else \ if (is_long) \ number.word = args_value[fspec->data_arg].pa_u_long_int; \ + else if (is_char) \ + number.word = (unsigned char) \ + args_value[fspec->data_arg].pa_char; \ else if (!is_short) \ number.word = args_value[fspec->data_arg].pa_u_int; \ else \ @@ -989,6 +1023,7 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) 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 is_char = 0; /* Argument is promoted (unsigned) char. */ int width = 0; /* Width of output; 0 means none specified. */ int prec = -1; /* Precision of output; -1 means none specified. */ char pad = ' '; /* Padding character. */ @@ -1097,16 +1132,21 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) prec = 0; JUMP (*f, step2_jumps); - /* Process 'h' modifier. No other modifier is allowed to - follow. */ + /* Process 'h' modifier. There might another 'h' following. */ LABEL (mod_half): is_short = 1; + JUMP (*++f, step3a_jumps); + + /* Process 'hh' modifier. */ + LABEL (mod_halfhalf): + is_short = 0; + is_char = 1; JUMP (*++f, step4_jumps); - /* Process 'l' modifier. There might another 'l' follow. */ + /* Process 'l' modifier. There might another 'l' following. */ LABEL (mod_long): is_long = 1; - JUMP (*++f, step3_jumps); + JUMP (*++f, step3b_jumps); /* Process 'L', 'q', or 'll' modifier. No other modifier is allowed to follow. */ @@ -1320,7 +1360,8 @@ do_positional: 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_short = specs[nspecs_done].info.is_short == 1; + int is_char = specs[nspecs_done].info.is_short == 2; int is_long = specs[nspecs_done].info.is_long; int width = specs[nspecs_done].info.width; int prec = specs[nspecs_done].info.prec; diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c index bce319eeaf..b9fc87679b 100644 --- a/stdio-common/vfscanf.c +++ b/stdio-common/vfscanf.c @@ -44,8 +44,9 @@ # define WIDTH 0x040 /* width was given */ # define GROUP 0x080 /* ': group numbers */ # define MALLOC 0x100 /* a: malloc strings */ +# define CHAR 0x200 /* hh: char */ -# define TYPEMOD (LONG|LONGDBL|SHORT) +# define TYPEMOD (LONG|LONGDBL|SHORT|CHAR) #ifdef USE_IN_LIBIO @@ -400,13 +401,19 @@ __vfscanf (FILE *s, const char *format, va_list argptr) { case 'h': /* int's are short int's. */ - if (flags & TYPEMOD) + if (flags & (LONG|LONGDBL|CHAR)) /* Signal illegal format element. */ conv_error (); - flags |= SHORT; + if (flags & SHORT) + { + flags &= ~SHORT; + flags |= CHAR; + } + else + flags |= SHORT; break; case 'l': - if (flags & (SHORT|LONGDBL)) + if (flags & (SHORT|LONGDBL|CHAR)) conv_error (); else if (flags & LONG) { @@ -883,6 +890,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr) else if (flags & SHORT) *ARG (unsigned short int *) = (unsigned short int) num.ul; + else if (flags & CHAR) + *ARG (unsigned char *) = (unsigned char) num.ul; else *ARG (unsigned int *) = (unsigned int) num.ul; } @@ -894,6 +903,8 @@ __vfscanf (FILE *s, const char *format, va_list argptr) *ARG (long int *) = num.l; else if (flags & SHORT) *ARG (short int *) = (short int) num.l; + else if (flags & CHAR) + *ARG (signed char *) = (signed char) num.ul; else *ARG (int *) = (int) num.l; } |