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Top Forums Programming Solaris - BUS error with optimize mode Post 302944797 by fpmurphy on Friday 22nd of May 2015 04:07:30 AM
Old 05-22-2015
Quote:
Originally Posted by achenle
The problem comes from using a structure in such a way that a member that has a strict alignment is offset from the beginning of the structure by an amount that causes the alignment to be wrong.

It's pretty much the archetype of how to get a SIGBUS error on SPARC.
Code:
struct _a
{
	int _a1;
	uint64_t _a2;
}

Please explain how you come to the conclusion that the 2nd member of the structure require strict alignment. I do not see that requirement.
 

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NEATEN(1)						      General Commands Manual							 NEATEN(1)

NAME
neaten - neaten up output columns SYNOPSIS
neaten [ format ] DESCRIPTION
Neaten reads from its standard input and neatens up columns separated by white space using the specified format. The format is a string consisting of a positive integer followed by an alignment character and another integer. The alignment character is usually a decimal point ('.'), but it can be any non-digit. The alignment character is used as the central point of each column. The total column field width will be the number to the left of the alignment character plus one for the alignment character itself plus the number to the right of the alignment character. If a field does not contain the alignment character, it will be printed to the left of where the alignment character would have appeared. If a field is too long to print within the specified format, the entire field will be printed and that row will not be aligned with the rest. The default format is "8.8". EXAMPLE
To examine a file with columns of numbers: neaten 10.8 < input | more BUGS
Columns wider than the total width of the format specification will be printed without any separating white space. The program does not do anything special with tabs on the input. AUTHOR
Greg Ward SEE ALSO
cnt(1), rcalc(1), rlam(1), total(1) RADIANCE
11/15/93 NEATEN(1)
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