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| author | Zack Weinberg <zack@wolery.cumb.org> | 2000-03-29 19:02:40 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2000-03-29 19:02:40 +0000 |
| commit | c6b5cb46045d1383c60ec58a470a2cfcee4d0441 (patch) | |
| tree | 1c159b06db3484253989b3e1274c3c1dc123e963 /gcc/cppfiles.c | |
| parent | fc9e8a145556a42cff9c98ad30b1c8fda8bbfb44 (diff) | |
| download | gcc-c6b5cb46045d1383c60ec58a470a2cfcee4d0441.zip gcc-c6b5cb46045d1383c60ec58a470a2cfcee4d0441.tar.gz gcc-c6b5cb46045d1383c60ec58a470a2cfcee4d0441.tar.bz2 | |
cppfiles.c (cpp_read_file): Don't pass zero-length string to _cpp_calc_hash.
* cppfiles.c (cpp_read_file): Don't pass zero-length string to
_cpp_calc_hash.
From-SVN: r32808
Diffstat (limited to 'gcc/cppfiles.c')
| -rw-r--r-- | gcc/cppfiles.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/cppfiles.c b/gcc/cppfiles.c index f46052e..a64307b 100644 --- a/gcc/cppfiles.c +++ b/gcc/cppfiles.c @@ -623,7 +623,11 @@ cpp_read_file (pfile, fname) fname = ""; dummy.nshort = fname; - dummy.hash = _cpp_calc_hash (fname, strlen (fname)); + /* _cpp_calc_hash doesn't like zero-length strings. */ + if (*fname == 0) + dummy.hash = 0; + else + dummy.hash = _cpp_calc_hash (fname, strlen (fname)); slot = (IHASH **) htab_find_slot_with_hash (pfile->all_include_files, (const void *) &dummy, dummy.hash, 1); |