libpatch_style_requires_text.c


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/* See LICENSE file for copyright and license details. */
#include "common.h"


int
libpatch_style_requires_text(enum libpatch_style style, int multifile)
{
	switch (style) {
	case LIBPATCH_STYLE_NORMAL:
	case LIBPATCH_STYLE_COPIED:
	case LIBPATCH_STYLE_UNIFIED:
		return 0;
	case LIBPATCH_STYLE_ED:
	case LIBPATCH_STYLE_ED_ALTERNATIVE:
		return LIBPATCH_STYLE_REQUIRES_LF_TERMINATION;
	case LIBPATCH_STYLE_RCS:
		return multifile ? LIBPATCH_STYLE_REQUIRES_LF_TERMINATION : 0;
	default:
		errno = EINVAL;
		return -1;
	}
}