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65416758cd
This is to rework diffcore break/rename/copy detection code so that it does not affected when deltifier code gets improved. Signed-off-by: Junio C Hamano <junkio@cox.net>
44 lines
1 KiB
C
44 lines
1 KiB
C
#include "cache.h"
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#include "diff.h"
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#include "diffcore.h"
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#include "delta.h"
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#include "count-delta.h"
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static int diffcore_count_changes_1(void *src, unsigned long src_size,
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void *dst, unsigned long dst_size,
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unsigned long delta_limit,
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unsigned long *src_copied,
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unsigned long *literal_added)
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{
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void *delta;
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unsigned long delta_size;
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delta = diff_delta(src, src_size,
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dst, dst_size,
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&delta_size, delta_limit);
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if (!delta)
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/* If delta_limit is exceeded, we have too much differences */
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return -1;
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/* Estimate the edit size by interpreting delta. */
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if (count_delta(delta, delta_size, src_copied, literal_added)) {
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free(delta);
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return -1;
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}
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free(delta);
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return 0;
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}
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int diffcore_count_changes(void *src, unsigned long src_size,
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void *dst, unsigned long dst_size,
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unsigned long delta_limit,
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unsigned long *src_copied,
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unsigned long *literal_added)
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{
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return diffcore_count_changes_1(src, src_size,
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dst, dst_size,
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delta_limit,
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src_copied,
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literal_added);
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}
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