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In gcc's libcpp, stop using the INTTYPE_MAXIMUM() macro, which relies on

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undefined behavior.  The code used this macro to avoid problems on some
broken systems which define SSIZE_MAX incorrectly, but this is not
needed on FreeBSD, obviously.

MFC after: 3 days
This commit is contained in:
dim 2015-08-12 20:16:13 +00:00
parent 7dae5ce371
commit a83dfa7651
1 changed files with 2 additions and 2 deletions
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4
contrib/gcclibs/libcpp/files.c
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@ -567,7 +567,7 @@ read_file_guts (cpp_reader *pfile, _cpp_file *file)
SSIZE_MAX to be much smaller than the actual range of the
type. Use INTTYPE_MAXIMUM unconditionally to ensure this
does not bite us. */
if (file->st.st_size > INTTYPE_MAXIMUM (ssize_t))
if (file->st.st_size > SSIZE_MAX)
{
cpp_error (pfile, CPP_DL_ERROR, "%s is too large", file->path);
return false;
@ -581,7 +581,7 @@ read_file_guts (cpp_reader *pfile, _cpp_file *file)
file->path);
return false;
}
else if (offset > INTTYPE_MAXIMUM (ssize_t) || (ssize_t)offset > size)
else if (offset > SSIZE_MAX || (ssize_t)offset > size)
{
cpp_error (pfile, CPP_DL_ERROR, "current position of %s is too large",
file->path);