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authorRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
committerRoland McGrath <roland@gnu.org>1995-10-17 00:41:39 +0000
commitdeab9deadc372fe1a367aef2e78c0d8f2885bf23 (patch)
tree367eaf76a86934f3883f950da5719ca581185ca5 /stdio-common/printf-prs.c
parent10fd03c6014206b3775be893727f282c4c709ebf (diff)
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* Makefile (subdirs): Replace stdio with stdio-common and $(stdio).
* configure.in: Grok arg --enable-libio. ($stdio = libio): Define USE_IN_LIBIO. * config.h.in (USE_IN_LIBIO): Add #undef. * config.make.in (stdio): New variable, set by configure. * Makeconfig (stdio): New variable. * stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of stdio/stdio.h. * stdio-common/Makefile: New file. * stdio/Makefile: Half the contents moved to stdio-common/Makefile. * stdio/_itoa.c: Moved to stdio-common. * stdio/_itoa.h: Moved to stdio-common. * stdio/asprintf.c: Moved to stdio-common. * stdio/bug1.c: Moved to stdio-common. * stdio/bug1.input: Moved to stdio-common. * stdio/bug2.c: Moved to stdio-common. * stdio/bug3.c: Moved to stdio-common. * stdio/bug4.c: Moved to stdio-common. * stdio/bug5.c: Moved to stdio-common. * stdio/bug6.c: Moved to stdio-common. * stdio/bug6.input: Moved to stdio-common. * stdio/bug7.c: Moved to stdio-common. * stdio/dprintf.c: Moved to stdio-common. * stdio/errnobug.c: Moved to stdio-common. * stdio/getline.c: Moved to stdio-common. * stdio/getw.c: Moved to stdio-common. * stdio/perror.c: Moved to stdio-common. * stdio/printf-parse.h: Moved to stdio-common. * stdio/printf-prs.c: Moved to stdio-common. * stdio/printf.c: Moved to stdio-common. * stdio/printf.h: Moved to stdio-common. * stdio/printf_fp.c: Moved to stdio-common. * stdio/psignal.c: Moved to stdio-common. * stdio/putw.c: Moved to stdio-common. * stdio/reg-printf.c: Moved to stdio-common. * stdio/scanf.c: Moved to stdio-common. * stdio/snprintf.c: Moved to stdio-common. * stdio/sprintf.c: Moved to stdio-common. * stdio/sscanf.c: Moved to stdio-common. * stdio/tempnam.c: Moved to stdio-common. * stdio/temptest.c: Moved to stdio-common. * stdio/test-fseek.c: Moved to stdio-common. * stdio/test-fwrite.c: Moved to stdio-common. * stdio/test-popen.c: Moved to stdio-common. * stdio/test_rdwr.c: Moved to stdio-common. * stdio/tmpfile.c: Moved to stdio-common. * stdio/tmpnam.c: Moved to stdio-common. * stdio/tst-fileno.c: Moved to stdio-common. * stdio/tst-printf.c: Moved to stdio-common. * stdio/tstgetln.c: Moved to stdio-common. * stdio/tstgetln.input: Moved to stdio-common. * stdio/tstscanf.c: Moved to stdio-common. * stdio/tstscanf.input: Moved to stdio-common. * stdio/vfprintf.c: Moved to stdio-common. * stdio/vfscanf.c: Moved to stdio-common. * stdio/vprintf.c: Moved to stdio-common. * stdio/xbug.c: Moved to stdio-common. * sysdeps/generic/Makefile (siglist.c rules): Do this in subdir stdio-common instead of stdio. * sysdeps/unix/Makefile (errlist.c rules): Likewise. * stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive function. * stdio-common/dprintf.c: Likewise. * stdio-common/printf.c: Likewise. * stdio-common/scanf.c: Likewise. * stdio-common/snprintf.c: Likewise. * stdio-common/sprintf.c: Likewise. * stdio-common/sscanf.c: Likewise. * stdio-common/vprintf.c: Likewise. * Makerules: Include $(+depfiles) directly instead of generating depend-$(subdir). (depend-$(subdir)): Target removed. (common-clean): Don't remove depend-$(subdir).
Diffstat (limited to 'stdio-common/printf-prs.c')
-rw-r--r--stdio-common/printf-prs.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/stdio-common/printf-prs.c b/stdio-common/printf-prs.c
new file mode 100644
index 0000000000..811a9cb7eb
--- /dev/null
+++ b/stdio-common/printf-prs.c
@@ -0,0 +1,72 @@
+/* Copyright (C) 1991, 1992, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+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. */
+
+#include <stdio.h>
+#include <printf.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "printf-parse.h"
+
+
+size_t
+parse_printf_format (fmt, n, argtypes)
+ const char *fmt;
+ size_t n;
+ int *argtypes;
+{
+ size_t nargs; /* Number of arguments. */
+ size_t max_ref_arg; /* Highest index used in a positional arg. */
+ struct printf_spec spec;
+
+ nargs = 0;
+ max_ref_arg = 0;
+
+ /* Search for format specifications. */
+ for (fmt = find_spec (fmt); *fmt != '\0'; fmt = spec.next_fmt)
+ {
+ /* Parse this spec. */
+ nargs += parse_one_spec (fmt, nargs, &spec, &max_ref_arg);
+
+ /* If the width is determined by an argument this is an int. */
+ if (spec.width_arg != -1 && spec.width_arg < n)
+ argtypes[spec.width_arg] = PA_INT;
+
+ /* If the precision is determined by an argument this is an int. */
+ if (spec.prec_arg != -1 && spec.prec_arg < n)
+ argtypes[spec.prec_arg] = PA_INT;
+
+ if (spec.data_arg < n)
+ switch (spec.ndata_args)
+ {
+ case 0: /* No arguments. */
+ break;
+ case 1: /* One argument; we already have the type. */
+ argtypes[spec.data_arg] = spec.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[spec.info.spec])
+ (&spec.info, n - spec.data_arg, &argtypes[spec.data_arg]);
+ break;
+ }
+ }
+
+ return MAX (nargs, max_ref_arg);
+}