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From: | Rugxulo <rugxulo AT gmail DOT com> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: -fpack-struct causes iostream to error. -O3 makes it worse. |
Date: | Mon, 9 Mar 2009 00:02:44 -0700 (PDT) |
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Hi, On Mar 8, 11:33=A0pm, Jim Michaels <jmich DOT DOT DOT AT yahoo DOT com> wrote: > thought people should know about this. =A0this affects iostream, > fstream, ostream, istream, ios.all things related. > I have not had any problems with vector or any of the STL. =A0The STL > seems to be unaffected. > Jim Michaels Try this: http://gcc.gnu.org/onlinedocs/gcc-4.3.3/gcc/Variable-Attributes.html#index-= g_t_0040code_007bpacked_007d-attribute-2215 " packed The packed attribute specifies that a variable or structure field should have the smallest possible alignment=97one byte for a variable, and one bit for a field, unless you specify a larger value with the aligned attribute. Here is a structure in which the field x is packed, so that it immediately follows a: struct foo { char a; int x[2] __attribute__ ((packed)); }; "
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