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c-lib/s-bsdiff.c  view on Meta::CPAN

static inline s_bsdipa_off_t a_bsdiff_matchlen(uint8_t const *aftdat, s_bsdipa_off_t aftlen,
		uint8_t const *befdat, s_bsdipa_off_t beflen);
static s_bsdipa_off_t a_bsdiff_search(s_bsdipa_off_t const *Ip, uint8_t const *aftdat, s_bsdipa_off_t aftlen,
		uint8_t const *befdat, s_bsdipa_off_t beflenp,
		s_bsdipa_off_t st, s_bsdipa_off_t en, s_bsdipa_off_t *posp);
static inline void a_bsdiff_xout(s_bsdipa_off_t x, uint8_t *bp);

/* Later imported original BSDiff suffix sort by Colin Percival; at EOF.
 * (It was replaced with libdivsufsort in the FreeBSD codebase to which he pointed me due to "existing fixes",
 * because of performance improvements: 10-15 percent for large binaries (megabytes); for smaller files his is better.)
 * Except for types and names i did not adapt syntax to my style for those. */
static void a_bsdiff_split(s_bsdipa_off_t *I, s_bsdipa_off_t *V, s_bsdipa_off_t start, s_bsdipa_off_t len,
		s_bsdipa_off_t h);
static int a_bsdiff_qsufsort(s_bsdipa_off_t *I, uint8_t const *aftdat, s_bsdipa_off_t aftlen,
		struct s_bsdipa_diff_ctx *dcp);

static void *
a_bsdiff_alloc(void *vp, size_t size){
	struct s_bsdipa_diff_ctx *dcp;