mirror of
git://sourceware.org/git/newlib-cygwin.git
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61ccd3f94f
So far, the printf family of functions has two output helper functions
called __sprint_r and __sfputs_r. Both are called from all variants of
vfprintf as well as vfwprintf. There are also analogue helper functions
for the string-creating functions vsprintf/vswprintf called __ssprint_r
and __ssputs_r.
However, the helpers are built once when building vfprintf/vsprintf with
the INTEGER_ONLY flag, and then they are part of the vfiprintf.c and
vsiprintf.c files.
The problem is this:
Even if a process only calls vfwprintf or the non-INTEGER_ONLY vfprintf
it will always have to include the INTEGER_ONLY vfiprintf. Otherwise the
helper functions are undefined. Analogue for the string-creating
functions.
That's a useless waste of space by including one (or two) big, unused
function, if newlib is linked in statically.
Create new files to define the printf output helpers separately and
split them into byte-oriented and wide-char-oriented functions. This
allows to link only the required functions.
Also, simplify the string output helpers and fix a potential (but
unlikely) buffer overflow in __ssprint_r.
Fixes: 8a0efa53e449 ("import newlib-2000-02-17 snapshot")
Fixes: 6121968b198d ("* libc/include/stdio.h (__VALIST): Guard against multiple definition.")
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
294 lines
5.1 KiB
Makefile
294 lines
5.1 KiB
Makefile
if HAVE_STDIO_DIR
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if NEWLIB_NANO_FORMATTED_IO
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libc_a_SOURCES += \
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%D%/nano-vfprintf_float.c \
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%D%/nano-svfprintf.c \
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%D%/nano-svfscanf.c \
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%D%/nano-vfprintf.c \
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%D%/nano-vfprintf_i.c \
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%D%/nano-vfscanf.c \
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%D%/nano-vfscanf_i.c \
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%D%/nano-vfscanf_float.c
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else
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libc_a_SOURCES += \
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%D%/fiprintf.c \
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%D%/fiscanf.c \
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%D%/iprintf.c \
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%D%/iscanf.c \
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%D%/siprintf.c \
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%D%/siscanf.c \
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%D%/sniprintf.c \
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%D%/svfiprintf.c \
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%D%/svfiscanf.c \
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%D%/svfprintf.c \
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%D%/svfscanf.c \
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%D%/vdiprintf.c \
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%D%/vfprintf.c \
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%D%/vfiprintf.c \
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%D%/vfiscanf.c \
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%D%/vfscanf.c \
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%D%/vfwprintf.c \
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%D%/viprintf.c \
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%D%/viscanf.c \
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%D%/vsiprintf.c \
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%D%/vsiscanf.c \
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%D%/vsniprintf.c \
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%D%/sfputs_r.c \
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%D%/sfputws_r.c \
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%D%/sprint_r.c \
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%D%/swprint_r.c \
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%D%/ssputs_r.c \
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%D%/ssputws_r.c \
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%D%/ssprint_r.c \
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%D%/sswprint_r.c
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endif
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libc_a_SOURCES += \
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%D%/clearerr.c \
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%D%/fclose.c \
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%D%/fdopen.c \
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%D%/feof.c \
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%D%/ferror.c \
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%D%/fflush.c \
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%D%/fgetc.c \
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%D%/fgetpos.c \
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%D%/fgets.c \
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%D%/fileno.c \
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%D%/findfp.c \
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%D%/flags.c \
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%D%/fopen.c \
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%D%/fprintf.c \
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%D%/fputc.c \
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%D%/fputs.c \
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%D%/fread.c \
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%D%/freopen.c \
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%D%/fscanf.c \
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%D%/fseek.c \
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%D%/fsetpos.c \
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%D%/ftell.c \
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%D%/fvwrite.c \
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%D%/fwalk.c \
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%D%/fwrite.c \
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%D%/getc.c \
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%D%/getchar.c \
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%D%/getc_u.c \
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%D%/getchar_u.c \
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%D%/getdelim.c \
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%D%/getline.c \
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%D%/gets.c \
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%D%/makebuf.c \
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%D%/perror.c \
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%D%/printf.c \
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%D%/putc.c \
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%D%/putchar.c \
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%D%/putc_u.c \
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%D%/putchar_u.c \
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%D%/puts.c \
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%D%/refill.c \
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%D%/remove.c \
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%D%/rename.c \
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%D%/rewind.c \
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%D%/rget.c \
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%D%/scanf.c \
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%D%/sccl.c \
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%D%/setbuf.c \
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%D%/setbuffer.c \
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%D%/setlinebuf.c \
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%D%/setvbuf.c \
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%D%/snprintf.c \
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%D%/sprintf.c \
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%D%/sscanf.c \
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%D%/stdio.c \
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%D%/svfiwprintf.c \
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%D%/svfiwscanf.c \
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%D%/svfwprintf.c \
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%D%/svfwscanf.c \
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%D%/tmpfile.c \
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%D%/tmpnam.c \
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%D%/ungetc.c \
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%D%/vdprintf.c \
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%D%/vfiwprintf.c \
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%D%/vfiwscanf.c \
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%D%/vfwscanf.c \
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%D%/vprintf.c \
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%D%/vscanf.c \
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%D%/vsnprintf.c \
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%D%/vsprintf.c \
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%D%/vsscanf.c \
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%D%/wbuf.c \
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%D%/wsetup.c
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## The following are EL/IX level 2 interfaces
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if !ELIX_LEVEL_1
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%C%_ELIX_2_SOURCES = \
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%D%/asprintf.c \
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%D%/fcloseall.c \
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%D%/fseeko.c \
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%D%/ftello.c \
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%D%/getw.c \
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%D%/mktemp.c \
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%D%/putw.c \
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%D%/vasprintf.c
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if !NEWLIB_NANO_FORMATTED_IO
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%C%_ELIX_2_SOURCES += \
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%D%/asiprintf.c \
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%D%/vasiprintf.c
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endif !NEWLIB_NANO_FORMATTED_IO
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endif !ELIX_LEVEL_1
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## The following are EL/IX level 2 interfaces
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if ELIX_LEVEL_1
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%C%_ELIX_4_SOURCES =
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else
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if ELIX_LEVEL_2
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%C%_ELIX_4_SOURCES =
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else
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if ELIX_LEVEL_3
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%C%_ELIX_4_SOURCES =
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else
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%C%_ELIX_4_SOURCES = \
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%D%/asnprintf.c \
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%D%/clearerr_u.c \
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%D%/dprintf.c \
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%D%/feof_u.c \
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%D%/ferror_u.c \
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%D%/fflush_u.c \
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%D%/fgetc_u.c \
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%D%/fgets_u.c \
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%D%/fgetwc.c \
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%D%/fgetwc_u.c \
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%D%/fgetws.c \
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%D%/fgetws_u.c \
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%D%/fileno_u.c \
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%D%/fmemopen.c \
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%D%/fopencookie.c \
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%D%/fpurge.c \
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%D%/fputc_u.c \
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%D%/fputs_u.c \
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%D%/fputwc.c \
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%D%/fputwc_u.c \
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%D%/fputws.c \
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%D%/fputws_u.c \
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%D%/fread_u.c \
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%D%/fsetlocking.c \
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%D%/funopen.c \
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%D%/fwide.c \
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%D%/fwprintf.c \
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%D%/fwrite_u.c \
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%D%/fwscanf.c \
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%D%/getwc.c \
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%D%/getwc_u.c \
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%D%/getwchar.c \
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%D%/getwchar_u.c \
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%D%/open_memstream.c \
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%D%/putwc.c \
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%D%/putwc_u.c \
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%D%/putwchar.c \
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%D%/putwchar_u.c \
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%D%/stdio_ext.c \
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%D%/swprintf.c \
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%D%/swscanf.c \
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%D%/ungetwc.c \
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%D%/vasnprintf.c \
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%D%/vswprintf.c \
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%D%/vswscanf.c \
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%D%/vwprintf.c \
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%D%/vwscanf.c \
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%D%/wprintf.c \
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%D%/wscanf.c
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if !NEWLIB_NANO_FORMATTED_IO
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%C%_ELIX_4_SOURCES += \
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%D%/asniprintf.c \
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%D%/diprintf.c \
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%D%/vasniprintf.c
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endif !NEWLIB_NANO_FORMATTED_IO
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endif !ELIX_LEVEL_3
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endif !ELIX_LEVEL_2
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endif !ELIX_LEVEL_1
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libc_a_SOURCES += $(%C%_ELIX_2_SOURCES) $(%C%_ELIX_4_SOURCES)
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endif
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LIBC_CHEWOUT_FILES += \
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%D%/clearerr.def \
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%D%/diprintf.def \
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%D%/dprintf.def \
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%D%/fcloseall.def \
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%D%/fclose.def \
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%D%/fdopen.def \
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%D%/feof.def \
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%D%/ferror.def \
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%D%/fflush.def \
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%D%/fgetc.def \
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%D%/fgetpos.def \
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%D%/fgets.def \
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%D%/fgetwc.def \
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%D%/fgetws.def \
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%D%/fileno.def \
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%D%/fmemopen.def \
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%D%/fopen.def \
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%D%/fopencookie.def \
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%D%/fpurge.def \
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%D%/fputc.def \
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%D%/fputs.def \
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%D%/fputwc.def \
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%D%/fputws.def \
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%D%/fread.def \
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%D%/freopen.def \
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%D%/fseek.def \
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%D%/fsetlocking.def \
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%D%/fsetpos.def \
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%D%/ftell.def \
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%D%/funopen.def \
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%D%/fwide.def \
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%D%/fwrite.def \
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%D%/getc.def \
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%D%/getc_u.def \
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%D%/getchar.def \
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%D%/getchar_u.def \
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%D%/getdelim.def \
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%D%/getline.def \
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%D%/gets.def \
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%D%/getw.def \
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%D%/getwchar.def \
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%D%/mktemp.def \
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%D%/nano-vfprintf.def \
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%D%/nano-vfscanf.def \
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%D%/open_memstream.def \
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%D%/perror.def \
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%D%/putc.def \
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%D%/putc_u.def \
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%D%/putchar.def \
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%D%/putchar_u.def \
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%D%/puts.def \
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%D%/putw.def \
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%D%/putwchar.def \
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%D%/remove.def \
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%D%/rename.def \
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%D%/rewind.def \
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%D%/setbuf.def \
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%D%/setbuffer.def \
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%D%/setlinebuf.def \
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%D%/setvbuf.def \
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%D%/siprintf.def \
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%D%/siscanf.def \
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%D%/sprintf.def \
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%D%/sscanf.def \
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%D%/stdio_ext.def \
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%D%/swprintf.def \
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%D%/swscanf.def \
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%D%/tmpfile.def \
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%D%/tmpnam.def \
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%D%/ungetc.def \
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%D%/ungetwc.def \
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%D%/vfprintf.def \
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%D%/vfscanf.def \
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%D%/vfwprintf.def \
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%D%/vfwscanf.def \
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%D%/viprintf.def \
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%D%/viscanf.def
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LIBC_CHAPTERS += %D%/stdio.tex
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