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remove useless if-before-free tests

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Change "if (E) free (E);" to "free (E);" everywhere except in the
libgo/, intl/, zlib/ and classpath/ directories.
Also transform equivalent variants like
"if (E != NULL) free (E);" and allow an extra cast on the
argument to free.  Otherwise, the tested and freed "E"
expressions must be identical, modulo white space.

From-SVN: r172785
This commit is contained in:
Jim Meyering 2011-04-20 18:19:03 +00:00
parent 53eebfbf94
commit 046957830e
74 changed files with 267 additions and 270 deletions
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3
libcpp/files.c
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@ -996,8 +996,7 @@ make_cpp_file (cpp_reader *pfile, cpp_dir *dir, const char *fname)
static void
destroy_cpp_file (_cpp_file *file)
{
if (file->buffer_start)
free ((void *) file->buffer_start);
free ((void *) file->buffer_start);
free ((void *) file->name);
free (file);
}