glibc/stdio-common/printf-parse.h

1 /* Internal header for parsing printf format strings.
33     /* Information parsed from the format spec.  */
36     /* Pointers into the format string for the end of this format
46     /* Number of arguments consumed by this format specifier.  */
95 find_spec (const UCHAR_T *format)
97 find_spec (const UCHAR_T *format, mbstate_t *ps)
101   return (const UCHAR_T *) __wcschrnul ((const CHAR_T *) format, L'%');
103   while (*format != L_('\0') && *format != L_('%'))
109       if (! isascii (*format) && (len = __mbrlen (format, MB_CUR_MAX, ps)) > 0)
110 	format += len;
112 	++format;
114   return format;
131 parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
134 parse_one_spec (const UCHAR_T *format, size_t posn, struct printf_spec *spec,
142   ++format;
156   if (ISDIGIT (*format))
158       const UCHAR_T *begin = format;
160       n = read_int (&format);
162       if (n > 0 && *format == L_('$'))
165 	  ++format;		/* Skip the '$'.  */
172 	format = begin;
178       switch (*format)
216   while (*++format);
224   if (*format == L_('*'))
228       const UCHAR_T *begin = ++format;
230       if (ISDIGIT (*format))
233 	  n = read_int (&format);
235 	  if (n > 0 && *format == L_('$'))
239 	      ++format;		/* Skip '$'.  */
248 	  format = begin;	/* Step back and reread.  */
251   else if (ISDIGIT (*format))
253     spec->info.width = read_int (&format);
259   if (*format == L_('.'))
261       ++format;
262       if (*format == L_('*'))
265 	  const UCHAR_T *begin = ++format;
267 	  if (ISDIGIT (*format))
269 	      n = read_int (&format);
271 	      if (n > 0 && *format == L_('$'))
275 		  ++format;
284 	      format = begin;
287       else if (ISDIGIT (*format))
288 	spec->info.prec = read_int (&format);
300   switch (*format++)
304       if (*format != L_('h'))
308 	  ++format;
315       if (*format != L_('l'))
317       ++format;
351       --format;
355   /* Get the format specification.  */
356   spec->info.spec = (wchar_t) *format++;
360     /* We don't try to get the types for all arguments if the format
441     spec->end_of_fmt = spec->next_fmt = format - 1;
444       /* Find the next format spec.  */
445       spec->end_of_fmt = format;
447       spec->next_fmt = find_spec (format);
449       spec->next_fmt = find_spec (format, ps);