20 lines
520 B
C
20 lines
520 B
C
#ifndef C_UTIL_H_INCLUDED
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#define C_UTIL_H_INCLUDED
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/* C language stuff. Doesn't involve any libraries that aren't part of
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the compiler.
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*/
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#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
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/* GNU_PRINTF_ATTR lets the GNU compiler check printf-type
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calls to be sure the arguments match the format string, thus preventing
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runtime segmentation faults and incorrect messages.
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*/
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#ifdef __GNUC__
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#define GNU_PRINTF_ATTR(a,b) __attribute__ ((format (printf, a, b)))
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#else
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#define GNU_PRINTF_ATTR(a,b)
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#endif
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#endif
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