diff options
Diffstat (limited to 'stdio/vfscanf.c')
| -rw-r--r-- | stdio/vfscanf.c | 81 |
1 files changed, 51 insertions, 30 deletions
diff --git a/stdio/vfscanf.c b/stdio/vfscanf.c index 47781ed566..9a9e3bb79c 100644 --- a/stdio/vfscanf.c +++ b/stdio/vfscanf.c @@ -57,6 +57,7 @@ DEFUN(__vfscanf, (s, format, arg), register int c; /* Last char read. */ register int do_assign; /* Whether to do an assignment. */ register int width; /* Maximum field width. */ + int group_flag; /* %' modifier flag. */ /* Type modifiers. */ char is_short, is_long, is_long_double; @@ -76,8 +77,13 @@ DEFUN(__vfscanf, (s, format, arg), /* Signedness for integral numbers. */ int number_signed; /* Integral holding variables. */ - long int num; - unsigned long int unum; + union + { + long long int q; + unsigned long long int uq; + long int l; + unsigned long int ul; + } num; /* Character-buffer pointer. */ register char *str, **strptr; size_t strsize; @@ -93,8 +99,8 @@ DEFUN(__vfscanf, (s, format, arg), } /* Figure out the decimal point character. */ - if (mbtowc(&decimal, _NL_CURRENT (LC_NUMERIC, DECIMAL_POINT), - strlen (_NL_CURRENT (LC_NUMERIC, DECIMAL_POINT))) <= 0) + if (mbtowc (&decimal, _NL_CURRENT (LC_NUMERIC, DECIMAL_POINT), + strlen (_NL_CURRENT (LC_NUMERIC, DECIMAL_POINT))) <= 0) decimal = (wchar_t) *_NL_CURRENT (LC_NUMERIC, DECIMAL_POINT); c = inchar(); @@ -102,10 +108,10 @@ DEFUN(__vfscanf, (s, format, arg), /* Run through the format string. */ while (*f != '\0') { - if (!isascii(*f)) + if (!isascii (*f)) { /* Non-ASCII, may be a multibyte. */ - int len = mblen(f, strlen(f)); + int len = mblen (f, strlen(f)); if (len > 0) { while (len-- > 0) @@ -139,15 +145,20 @@ DEFUN(__vfscanf, (s, format, arg), continue; } - /* Check for the assignment-suppressant. */ - if (*f == '*') - { - do_assign = 0; - ++f; - } - else - do_assign = 1; - + /* Check for the assignment-suppressant and the number grouping flag. */ + do_assign = 1; + group_flag = 0; + while (*f == '*' || *f == '\'') + switch (*f++) + { + case '*': + do_assign = 0; + break; + case '\'': + group_flag = 1; + break; + } + /* Find the maximum field width. */ width = 0; while (isdigit(*f)) @@ -396,9 +407,19 @@ DEFUN(__vfscanf, (s, format, arg), /* Convert the number. */ *w = '\0'; if (number_signed) - num = strtol (work, &w, base); + { + if (is_longlong) + num.q = __strtoq_internal (work, &w, base, group_flag); + else + num.uq = __strtouq_internal (work, &w, base, group_flag); + } else - unum = strtoul (work, &w, base); + { + if (is_long_double) + num.l = __strtol_internal (work, &w, base, group_flag); + else + num.ul = __strtoul_internal (work, &w, base, group_flag); + } if (w == work) conv_error (); @@ -407,25 +428,25 @@ DEFUN(__vfscanf, (s, format, arg), if (! number_signed) { if (is_longlong) - *va_arg (arg, unsigned LONGLONG int *) = unum; + *va_arg (arg, unsigned LONGLONG int *) = num.uq; else if (is_long) - *va_arg (arg, unsigned long int *) = unum; + *va_arg (arg, unsigned long int *) = num.ul; else if (is_short) *va_arg (arg, unsigned short int *) - = (unsigned short int) unum; + = (unsigned short int) num.ul; else - *va_arg(arg, unsigned int *) = (unsigned int) unum; + *va_arg (arg, unsigned int *) = (unsigned int) num.ul; } else { if (is_longlong) - *va_arg(arg, LONGLONG int *) = num; + *va_arg (arg, LONGLONG int *) = num.q; else if (is_long) - *va_arg(arg, long int *) = num; + *va_arg (arg, long int *) = num.l; else if (is_short) - *va_arg(arg, short int *) = (short int) num; + *va_arg (arg, short int *) = (short int) num.l; else - *va_arg(arg, int *) = (int) num; + *va_arg (arg, int *) = (int) num.l; } ++done; } @@ -482,19 +503,19 @@ DEFUN(__vfscanf, (s, format, arg), *w = '\0'; if (is_long_double) { - long double d = __strtold (work, &w); + long double d = __strtold_internal (work, &w, group_flag); if (do_assign && w != work) *va_arg (arg, long double *) = d; } else if (is_long) { - double d = strtod (work, &w); + double d = __strtod_internal (work, &w, group_flag); if (do_assign && w != work) *va_arg (arg, double *) = d; } else { - float d = __strtof (work, &w); + float d = __strtof_internal (work, &w, group_flag); if (do_assign && w != work) *va_arg (arg, float *) = d; } @@ -536,7 +557,7 @@ DEFUN(__vfscanf, (s, format, arg), conv_error(); *w = '\0'; - unum = read_in; + num.ul = read_in; do { if ((strchr (work, c) == NULL) != not_in) @@ -545,7 +566,7 @@ DEFUN(__vfscanf, (s, format, arg), if (width > 0) --width; } while (inchar () != EOF && width != 0); - if (read_in == unum) + if (read_in == num.ul) conv_error (); if (do_assign) |