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author | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
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committer | Andrew Hsieh <andrewhsieh@google.com> | 2012-11-08 09:43:39 -0800 |
commit | 3c56f697e112c79fb5457538fdc373e348beca24 (patch) | |
tree | 91987aa2182421ebead7f3bc3e14ae0effd4ba88 /gcc-4.2.1-5666.3/gcc/genchecksum.c | |
parent | 8add91f46171be1526e9b37fffcdb7683ad27d77 (diff) | |
download | toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.gz toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.tar.bz2 toolchain_gcc-3c56f697e112c79fb5457538fdc373e348beca24.zip |
Initial checkin of unmodified gcc-5666.3.tar.gz
This is the source to build gcc-4.2 for MacOSX
gcc version 4.2.1 (Apple Inc. build 5666) (dot 3)
http://opensource.apple.com/tarballs/gcc/gcc-5666.3.tar.gz
Change-Id: I69540223f018e9d07f861fca04bd3833fc138f8b
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/genchecksum.c')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/genchecksum.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/genchecksum.c b/gcc-4.2.1-5666.3/gcc/genchecksum.c new file mode 100644 index 000000000..376d73c54 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/genchecksum.c @@ -0,0 +1,77 @@ +/* Generate checksums of executables for PCH validation + Copyright (C) 2005 + Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 2, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301, USA. */ + +#include "bconfig.h" +#include "system.h" +#include "md5.h" + +static void +usage (void) +{ + fputs ("Usage: genchecksums <filename>\n", stderr); +} + +static void +dosum (const char *file) +{ + FILE *f; + unsigned char result[16]; + int i; + + f = fopen (file, "rb"); + if (!f) + { + fprintf (stderr, "opening %s: %s\n", file, xstrerror (errno)); + exit (1); + } + + /* Some executable formats have timestamps in the first 16 bytes, yuck. */ + if (fseek (f, 16, SEEK_SET) != 0) + { + fprintf (stderr, "seeking in %s: %s\n", file, xstrerror (errno)); + exit (1); + } + + if (md5_stream (f, result) != 0 + || fclose (f) != 0) + { + fprintf (stderr, "reading %s: %s\n", file, xstrerror (errno)); + exit (1); + } + + fputs ("const unsigned char executable_checksum[16] = { ", stdout); + for (i = 0; i < 16; i++) + printf ("%#02x%s", result[i], i == 15 ? " };\n" : ", "); +} + +int +main (int argc, char ** argv) +{ + if (argc != 2) + { + usage (); + return 1; + } + + dosum (argv[1]); + + return 0; +} |