ddfabf89bb
2004-10-12 Frank Ch. Eigler <fche@redhat.com>
* configure.ac: Check for more headers, functions.
* mf-hooks2.c (mkbuffer, unmkbuffer): New helper functions for
tracking overridden FILE buffers.
(fopen, setvbuf): New/revised hook functions for buffer overriding.
(setbuf,setlinebuf,fdopen,freopen,fopen64,freopen64,fclose): Ditto.
(fflush): Accept given NULL stream (means "all streams").
* mf-runtime.h.in:
* mf-runtime.c (__mfu_check): Accept accesses that span adjacent
HEAP/GUESS objects.
(LOOKUP_CACHE_SIZE_MAX): Raise to 64K entries tentatively.
(__mf_adapt_cache): Use them all.
* testsuite/libmudflap.c/pass35-frag.c: Update warning message.
* testsuite/libmudflap.c++/ctors.exp: Ditto.
* testsuite/libmudflap.c/{pass51,pass52}-frag.c: New tests.
* configure, config.h.in: Regenerated.
From-SVN: r88996
37 lines
542 B
C
37 lines
542 B
C
#include <stdio.h>
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void writestuff (FILE *f)
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{
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fprintf (f, "hello world\n");
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fputc ('y', f);
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putc ('e', f);
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}
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void readstuff (FILE *f)
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{
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int c, d;
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char stuff[100], *s;
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c = fgetc (f);
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ungetc (c, f);
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d = fgetc (f);
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s = fgets (stuff, sizeof(stuff), f);
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}
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int main ()
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{
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FILE *f;
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writestuff (stdout);
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writestuff (stderr);
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f = fopen ("/dev/null", "w");
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writestuff (f);
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fclose (f);
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f = fopen ("/dev/zero", "r");
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readstuff (f);
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f = freopen ("/dev/null", "w", f);
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writestuff (f);
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fclose (f);
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return 0;
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}
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