diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/vfprintf.c | 129 |
1 files changed, 64 insertions, 65 deletions
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c index 0e435f2a75..83b4b008ac 100644 --- a/stdio-common/vfprintf.c +++ b/stdio-common/vfprintf.c @@ -202,71 +202,9 @@ static const CHAR_T null[] = L_("(null)"); /* Size of the work_buffer variable (in characters, not bytes. */ enum { WORK_BUFFER_SIZE = 1000 }; -/* Helper function to provide temporary buffering for unbuffered streams. */ -static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list) - __THROW __attribute__ ((noinline)) internal_function; - -/* Handle unknown format specifier. */ -static int printf_unknown (FILE *, const struct printf_info *, - const void *const *) __THROW; - -/* Group digits of number string. */ -static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, THOUSANDS_SEP_T) - __THROW internal_function; - -/* The function itself. */ -int -vfprintf (FILE *s, const CHAR_T *format, va_list ap) -{ - /* The character used as thousands separator. */ - THOUSANDS_SEP_T thousands_sep = 0; - - /* The string describing the size of groups of digits. */ - const char *grouping; - - /* Place to accumulate the result. */ - int done; - - /* Current character in format string. */ - const UCHAR_T *f; - - /* End of leading constant string. */ - const UCHAR_T *lead_str_end; - - /* Points to next format specifier. */ - const UCHAR_T *end_of_spec; - - /* Buffer intermediate results. */ - CHAR_T work_buffer[WORK_BUFFER_SIZE]; - CHAR_T *workstart = NULL; - CHAR_T *workend; - - /* We have to save the original argument pointer. */ - va_list ap_save; - - /* Count number of specifiers we already processed. */ - int nspecs_done; - - /* For the %m format we may need the current `errno' value. */ - int save_errno = errno; - - /* 1 if format is in read-only memory, -1 if it is in writable memory, - 0 if unknown. */ - int readonly_format = 0; - - /* For the argument descriptions, which may be allocated on the heap. */ - void *args_malloced = NULL; - - /* For positional argument handling. */ - struct printf_spec *specs; - - /* Track if we malloced the SPECS array and thus must free it. */ - bool specs_malloced = false; - - /* This table maps a character into a number representing a - class. In each step there is a destination label for each - class. */ - static const uint8_t jump_table[] = +/* This table maps a character into a number representing a class. In + each step there is a destination label for each class. */ +static const uint8_t jump_table[] = { /* ' ' */ 1, 0, 0, /* '#' */ 4, 0, /* '%' */ 14, 0, /* '\''*/ 6, @@ -1267,6 +1205,67 @@ vfprintf (FILE *s, const CHAR_T *format, va_list ap) break; #endif +/* Helper function to provide temporary buffering for unbuffered streams. */ +static int buffered_vfprintf (FILE *stream, const CHAR_T *fmt, va_list) + __THROW __attribute__ ((noinline)) internal_function; + +/* Handle unknown format specifier. */ +static int printf_unknown (FILE *, const struct printf_info *, + const void *const *) __THROW; + +/* Group digits of number string. */ +static CHAR_T *group_number (CHAR_T *, CHAR_T *, const char *, THOUSANDS_SEP_T) + __THROW internal_function; + +/* The function itself. */ +int +vfprintf (FILE *s, const CHAR_T *format, va_list ap) +{ + /* The character used as thousands separator. */ + THOUSANDS_SEP_T thousands_sep = 0; + + /* The string describing the size of groups of digits. */ + const char *grouping; + + /* Place to accumulate the result. */ + int done; + + /* Current character in format string. */ + const UCHAR_T *f; + + /* End of leading constant string. */ + const UCHAR_T *lead_str_end; + + /* Points to next format specifier. */ + const UCHAR_T *end_of_spec; + + /* Buffer intermediate results. */ + CHAR_T work_buffer[WORK_BUFFER_SIZE]; + CHAR_T *workstart = NULL; + CHAR_T *workend; + + /* We have to save the original argument pointer. */ + va_list ap_save; + + /* Count number of specifiers we already processed. */ + int nspecs_done; + + /* For the %m format we may need the current `errno' value. */ + int save_errno = errno; + + /* 1 if format is in read-only memory, -1 if it is in writable memory, + 0 if unknown. */ + int readonly_format = 0; + + /* For the argument descriptions, which may be allocated on the heap. */ + void *args_malloced = NULL; + + /* For positional argument handling. */ + struct printf_spec *specs; + + /* Track if we malloced the SPECS array and thus must free it. */ + bool specs_malloced = false; + /* Orient the stream. */ #ifdef ORIENT ORIENT; |