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Diffstat (limited to 'gcc_arm/testsuite/gcc.wendy/gnu22.c')
-rwxr-xr-x | gcc_arm/testsuite/gcc.wendy/gnu22.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/gcc_arm/testsuite/gcc.wendy/gnu22.c b/gcc_arm/testsuite/gcc.wendy/gnu22.c deleted file mode 100755 index b1326a6..0000000 --- a/gcc_arm/testsuite/gcc.wendy/gnu22.c +++ /dev/null @@ -1,57 +0,0 @@ -/* -From ptsfa!ames!sdcsvax!nosc!cod!owen Mon Dec 28 14:54:53 1987 -From: owen@cod.NOSC.MIL (Wallace E. Owen) -Newsgroups: comp.lang.c -Subject: msc bitfield bug -Message-ID: <934@cod.NOSC.MIL> -Date: 28 Dec 87 22:54:53 GMT -Organization: Naval Ocean Systems Center, San Diego - -The following small bug in Microsoft 'C' (4.0) handling of forcing -a bitfield to the next int or long was revealed while developing a Large -piece of software. It's in the form of a small program which reveals the -bug: - -/* - This short program displays a bug in MS C buildout of bitfield expressions. - Problem: Forcing bit field alignment to the next unsigned int or unsigned - long works if the next statement is a bitfield expression, but if it's - a unsigned long for instance, the padding ':0;' forces an extra item to - be allocated BETWEEN the two expressions. Must be the method used - to force bitfield to the next unsigned int or unsigned long. Should check - that indeed the next statement IS a bitfield expression. -*/ - -struct testa /* 8 bytes */ -{ - unsigned long - a: 5, b: 5, c: 5, d: 5, e: 5, : 0; - unsigned long - f: 8, g: 8, h: 8, i: 8; -}; - -struct testb /* Should be 8 bytes, but it's 12! */ -{ - unsigned long - a: 5, b: 5, c: 5, d: 5, e: 5, : 0; - unsigned long f; -}; - -main() -{ - /* Print sizes of things */ - if (sizeof (struct testa) == sizeof (struct testb)) { - printf("Test passed\n"); - } else { - printf("Size of struct testa: %u\n", sizeof( struct testa)); - printf("Size of struct testb: %u\n", sizeof( struct testb)); - } -} - -/* -I'm going to try this with 5.0- Also, while at the c++ conference in -Santa Fe, met the author of MSC 5.0's front end, and showed him this code. - -- Wallace Owen - (owen@cod.nosc.mil) - (619) 553-3567 -*/ |