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authorJeff Johnston <jjohnstn@redhat.com>2002-07-04 23:33:54 +0400
committerJeff Johnston <jjohnstn@redhat.com>2002-07-04 23:33:54 +0400
commit30b2092fcb3283a42447e47a549e216fd90945ec (patch)
treeee2e0efa7f936068868aaf1f2c508e8035d77428 /newlib/libc/stdio
parent7501704dc9dc7337e621db87ada8901a496766d9 (diff)
2002-07-04 Jeff Johnston <jjohnstn@redhat.com>
* libc/include/stdio.h: Add new prototypes. * libc/stdio/Makefile.am: Add fseeko.c and ftello.c. * libc/stdio/Makefile.in: Regenerated. * libc/stdio/fseek.c: Add fseeko documentation. * libc/stdio/ftell.c: Add ftello documentation. * libc/stdio/fseeko.c: New file. * libc/stdio/ftello.c: New file.
Diffstat (limited to 'newlib/libc/stdio')
-rw-r--r--newlib/libc/stdio/Makefile.am2
-rw-r--r--newlib/libc/stdio/Makefile.in40
-rw-r--r--newlib/libc/stdio/fseek.c18
-rw-r--r--newlib/libc/stdio/fseeko.c28
-rw-r--r--newlib/libc/stdio/ftell.c23
-rw-r--r--newlib/libc/stdio/ftello.c26
6 files changed, 107 insertions, 30 deletions
diff --git a/newlib/libc/stdio/Makefile.am b/newlib/libc/stdio/Makefile.am
index 8e3f719ba..1053de25a 100644
--- a/newlib/libc/stdio/Makefile.am
+++ b/newlib/libc/stdio/Makefile.am
@@ -27,8 +27,10 @@ LIB_SOURCES = \
freopen.c \
fscanf.c \
fseek.c \
+ fseeko.c \
fsetpos.c \
ftell.c \
+ ftello.c \
fvwrite.c \
fwalk.c \
fwrite.c \
diff --git a/newlib/libc/stdio/Makefile.in b/newlib/libc/stdio/Makefile.in
index df8e5e7c7..35178a89a 100644
--- a/newlib/libc/stdio/Makefile.in
+++ b/newlib/libc/stdio/Makefile.in
@@ -131,8 +131,10 @@ LIB_SOURCES = \
freopen.c \
fscanf.c \
fseek.c \
+ fseeko.c \
fsetpos.c \
ftell.c \
+ ftello.c \
fvwrite.c \
fwalk.c \
fwrite.c \
@@ -278,14 +280,14 @@ LIBS = @LIBS@
@USE_LIBTOOL_FALSE@flags.$(OBJEXT) fopen.$(OBJEXT) fprintf.$(OBJEXT) \
@USE_LIBTOOL_FALSE@fputc.$(OBJEXT) fputs.$(OBJEXT) fread.$(OBJEXT) \
@USE_LIBTOOL_FALSE@freopen.$(OBJEXT) fscanf.$(OBJEXT) fseek.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@fsetpos.$(OBJEXT) ftell.$(OBJEXT) fvwrite.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@fwalk.$(OBJEXT) fwrite.$(OBJEXT) getc.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@getchar.$(OBJEXT) getc_u.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@getchar_u.$(OBJEXT) getdelim.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@getline.$(OBJEXT) gets.$(OBJEXT) getw.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@iprintf.$(OBJEXT) makebuf.$(OBJEXT) mktemp.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@perror.$(OBJEXT) printf.$(OBJEXT) putc.$(OBJEXT) \
-@USE_LIBTOOL_FALSE@putchar.$(OBJEXT) putc_u.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@fseeko.$(OBJEXT) fsetpos.$(OBJEXT) ftell.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@ftello.$(OBJEXT) fvwrite.$(OBJEXT) fwalk.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@fwrite.$(OBJEXT) getc.$(OBJEXT) getchar.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@getc_u.$(OBJEXT) getchar_u.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@getdelim.$(OBJEXT) getline.$(OBJEXT) gets.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@getw.$(OBJEXT) iprintf.$(OBJEXT) makebuf.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@mktemp.$(OBJEXT) perror.$(OBJEXT) printf.$(OBJEXT) \
+@USE_LIBTOOL_FALSE@putc.$(OBJEXT) putchar.$(OBJEXT) putc_u.$(OBJEXT) \
@USE_LIBTOOL_FALSE@putchar_u.$(OBJEXT) puts.$(OBJEXT) putw.$(OBJEXT) \
@USE_LIBTOOL_FALSE@refill.$(OBJEXT) remove.$(OBJEXT) rename.$(OBJEXT) \
@USE_LIBTOOL_FALSE@rewind.$(OBJEXT) rget.$(OBJEXT) scanf.$(OBJEXT) \
@@ -307,17 +309,17 @@ LTLIBRARIES = $(noinst_LTLIBRARIES)
@USE_LIBTOOL_TRUE@fgetc.lo fgetpos.lo fgets.lo fileno.lo findfp.lo \
@USE_LIBTOOL_TRUE@fiprintf.lo flags.lo fopen.lo fprintf.lo fputc.lo \
@USE_LIBTOOL_TRUE@fputs.lo fread.lo freopen.lo fscanf.lo fseek.lo \
-@USE_LIBTOOL_TRUE@fsetpos.lo ftell.lo fvwrite.lo fwalk.lo fwrite.lo \
-@USE_LIBTOOL_TRUE@getc.lo getchar.lo getc_u.lo getchar_u.lo getdelim.lo \
-@USE_LIBTOOL_TRUE@getline.lo gets.lo getw.lo iprintf.lo makebuf.lo \
-@USE_LIBTOOL_TRUE@mktemp.lo perror.lo printf.lo putc.lo putchar.lo \
-@USE_LIBTOOL_TRUE@putc_u.lo putchar_u.lo puts.lo putw.lo refill.lo \
-@USE_LIBTOOL_TRUE@remove.lo rename.lo rewind.lo rget.lo scanf.lo \
-@USE_LIBTOOL_TRUE@setbuf.lo setbuffer.lo setlinebuf.lo setvbuf.lo \
-@USE_LIBTOOL_TRUE@siprintf.lo snprintf.lo sprintf.lo sscanf.lo stdio.lo \
-@USE_LIBTOOL_TRUE@tmpfile.lo tmpnam.lo ungetc.lo vasprintf.lo \
-@USE_LIBTOOL_TRUE@vfscanf.lo vprintf.lo vscanf.lo vsnprintf.lo \
-@USE_LIBTOOL_TRUE@vsprintf.lo vsscanf.lo wbuf.lo wsetup.lo
+@USE_LIBTOOL_TRUE@fseeko.lo fsetpos.lo ftell.lo ftello.lo fvwrite.lo \
+@USE_LIBTOOL_TRUE@fwalk.lo fwrite.lo getc.lo getchar.lo getc_u.lo \
+@USE_LIBTOOL_TRUE@getchar_u.lo getdelim.lo getline.lo gets.lo getw.lo \
+@USE_LIBTOOL_TRUE@iprintf.lo makebuf.lo mktemp.lo perror.lo printf.lo \
+@USE_LIBTOOL_TRUE@putc.lo putchar.lo putc_u.lo putchar_u.lo puts.lo \
+@USE_LIBTOOL_TRUE@putw.lo refill.lo remove.lo rename.lo rewind.lo \
+@USE_LIBTOOL_TRUE@rget.lo scanf.lo setbuf.lo setbuffer.lo setlinebuf.lo \
+@USE_LIBTOOL_TRUE@setvbuf.lo siprintf.lo snprintf.lo sprintf.lo \
+@USE_LIBTOOL_TRUE@sscanf.lo stdio.lo tmpfile.lo tmpnam.lo ungetc.lo \
+@USE_LIBTOOL_TRUE@vasprintf.lo vfscanf.lo vprintf.lo vscanf.lo \
+@USE_LIBTOOL_TRUE@vsnprintf.lo vsprintf.lo vsscanf.lo wbuf.lo wsetup.lo
CFLAGS = @CFLAGS@
COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
diff --git a/newlib/libc/stdio/fseek.c b/newlib/libc/stdio/fseek.c
index 27f527545..8912dd60c 100644
--- a/newlib/libc/stdio/fseek.c
+++ b/newlib/libc/stdio/fseek.c
@@ -17,14 +17,17 @@
/*
FUNCTION
-<<fseek>>---set file position
+<<fseek>>, <<fseeko>>---set file position
INDEX
fseek
+INDEX
+ fseeko
ANSI_SYNOPSIS
#include <stdio.h>
int fseek(FILE *<[fp]>, long <[offset]>, int <[whence]>)
+ int fseeko(FILE *<[fp]>, off_t <[offset]>, int <[whence]>)
TRAD_SYNOPSIS
#include <stdio.h>
@@ -33,12 +36,17 @@ TRAD_SYNOPSIS
long <[offset]>;
int <[whence]>;
+ int fseeko(<[fp]>, <[offset]>, <[whence]>)
+ FILE *<[fp]>;
+ off_t <[offset]>;
+ int <[whence]>;
+
DESCRIPTION
Objects of type <<FILE>> can have a ``position'' that records how much
of the file your program has already read. Many of the <<stdio>> functions
depend on this position, and many change it as a side effect.
-You can use <<fseek>> to set the position for the file identified by
+You can use <<fseek>>/<<fseeko>> to set the position for the file identified by
<[fp]>. The value of <[offset]> determines the new position, in one
of three ways selected by the value of <[whence]> (defined as macros
in `<<stdio.h>>'):
@@ -53,10 +61,10 @@ from the beginning of the file) desired. <[offset]> must be positive.
<[offset]> can meaningfully be either positive (to increase the size
of the file) or negative.
-See <<ftell>> to determine the current file position.
+See <<ftell>>/<<ftello>> to determine the current file position.
RETURNS
-<<fseek>> returns <<0>> when successful. If <<fseek>> fails, the
+<<fseek>>/<<fseeko>> return <<0>> when successful. On failure, the
result is <<EOF>>. The reason for failure is indicated in <<errno>>:
either <<ESPIPE>> (the stream identified by <[fp]> doesn't support
repositioning) or <<EINVAL>> (invalid file position).
@@ -64,6 +72,8 @@ repositioning) or <<EINVAL>> (invalid file position).
PORTABILITY
ANSI C requires <<fseek>>.
+<<fseeko>> is defined by the Single Unix specification.
+
Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
*/
diff --git a/newlib/libc/stdio/fseeko.c b/newlib/libc/stdio/fseeko.c
new file mode 100644
index 000000000..0697a5fc7
--- /dev/null
+++ b/newlib/libc/stdio/fseeko.c
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2002, Red Hat Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <stdio.h>
+
+int
+fseeko (fp, offset, whence)
+ register FILE *fp;
+ off_t offset;
+ int whence;
+{
+ /* for now we simply cast since off_t should be long */
+ return fseek (fp, (long)offset, whence);
+}
diff --git a/newlib/libc/stdio/ftell.c b/newlib/libc/stdio/ftell.c
index 8066acc3b..af17e248e 100644
--- a/newlib/libc/stdio/ftell.c
+++ b/newlib/libc/stdio/ftell.c
@@ -17,37 +17,44 @@
/*
FUNCTION
-<<ftell>>---return position in a stream or file
+<<ftell>>, <<ftello>>---return position in a stream or file
INDEX
ftell
+INDEX
+ ftello
ANSI_SYNOPSIS
#include <stdio.h>
long ftell(FILE *<[fp]>);
+ off_t ftello(FILE *<[fp]>);
TRAD_SYNOPSIS
#include <stdio.h>
long ftell(<[fp]>)
FILE *<[fp]>;
+ off_t ftello(<[fp]>)
+ FILE *<[fp]>;
+
DESCRIPTION
Objects of type <<FILE>> can have a ``position'' that records how much
of the file your program has already read. Many of the <<stdio>> functions
depend on this position, and many change it as a side effect.
-The result of <<ftell>> is the current position for a file
+The result of <<ftell>>/<<ftello>> is the current position for a file
identified by <[fp]>. If you record this result, you can later
-use it with <<fseek>> to return the file to this
-position.
+use it with <<fseek>>/<<fseeko>> to return the file to this
+position. The difference between <<ftell>> and <<ftello>> is that
+<<ftell>> returns <<long>> and <<ftello> returns <<off_t>>.
-In the current implementation, <<ftell>> simply uses a character
+In the current implementation, <<ftell>>/<<ftello>> simply uses a character
count to represent the file position; this is the same number that
would be recorded by <<fgetpos>>.
RETURNS
-<<ftell>> returns the file position, if possible. If it cannot do
-this, it returns <<-1L>>. Failure occurs on streams that do not support
+<<ftell>>/<<ftello>> return the file position, if possible. If they cannot do
+this, they return <<-1L>>. Failure occurs on streams that do not support
positioning; the global <<errno>> indicates this condition with the
value <<ESPIPE>>.
@@ -58,6 +65,8 @@ acceptable as an argument to <<fseek>>. In particular, other
conforming C implementations may return a different result from
<<ftell>> than what <<fgetpos>> records.
+<<ftello>> is defined by the Single Unix specification.
+
No supporting OS subroutines are required.
*/
diff --git a/newlib/libc/stdio/ftello.c b/newlib/libc/stdio/ftello.c
new file mode 100644
index 000000000..474c78834
--- /dev/null
+++ b/newlib/libc/stdio/ftello.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2002, Red Hat Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#include <stdio.h>
+
+off_t
+_DEFUN (ftello, (fp),
+ register FILE * fp)
+{
+ /* for now we simply cast since off_t should be long */
+ return (off_t)ftell (fp);
+}