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fix constraint violation in ftw
author
Rich Felker
<dalias@aerifal.cx>
Fri, 7 Sep 2012 03:57:15 +0000
(23:57 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Fri, 7 Sep 2012 03:57:15 +0000
(23:57 -0400)
void* does not implicitly convert to function pointer types.
src/misc/ftw.c
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diff --git
a/src/misc/ftw.c
b/src/misc/ftw.c
index
de01e39
..
0429aba
100644
(file)
--- a/
src/misc/ftw.c
+++ b/
src/misc/ftw.c
@@
-3,7
+3,10
@@
int ftw(const char *path, int (*fn)(const char *, const struct stat *, int), int fd_limit)
{
- return nftw(path, (void *)fn, fd_limit, FTW_PHYS);
+ /* The following cast assumes that calling a function with one
+ * argument more than it needs behaves as expected. This is
+ * actually undefined, but works on all real-world machines. */
+ return nftw(path, (int (*)())fn, fd_limit, FTW_PHYS);
}
LFS64(ftw);