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xdiff: remove unused functions

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The functions xdl_cha_first(), xdl_cha_next() and xdl_atol() are not used
by us.  While removing them increases the difference to the upstream
version of libxdiff, it only adds a bit to the more than 600 differing
lines in xutils.c (mmfile_t management was simplified significantly when
the library was imported initially).  Besides, if upstream modifies these
functions in the future, we won't need to think about importing those
changes, so in that sense it makes tracking modifications easier.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2012-05-09 22:43:30 +02:00 committed by Junio C Hamano
parent 3319e60633
commit be89977543
2 changed files with 0 additions and 46 deletions
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43
xdiff/xutils.c
View file

@ -122,35 +122,6 @@ void *xdl_cha_alloc(chastore_t *cha) {
return data;
}
void *xdl_cha_first(chastore_t *cha) {
chanode_t *sncur;
if (!(cha->sncur = sncur = cha->head))
return NULL;
cha->scurr = 0;
return (char *) sncur + sizeof(chanode_t) + cha->scurr;
}
void *xdl_cha_next(chastore_t *cha) {
chanode_t *sncur;
if (!(sncur = cha->sncur))
return NULL;
cha->scurr += cha->isize;
if (cha->scurr == sncur->icurr) {
if (!(sncur = cha->sncur = sncur->next))
return NULL;
cha->scurr = 0;
}
return (char *) sncur + sizeof(chanode_t) + cha->scurr;
}
long xdl_guess_lines(mmfile_t *mf, long sample) {
long nl = 0, size, tsize = 0;
char const *data, *cur, *top;
@ -430,20 +401,6 @@ int xdl_num_out(char *out, long val) {
return str - out;
}
long xdl_atol(char const *str, char const **next) {
long val, base;
char const *top;
for (top = str; XDL_ISDIGIT(*top); top++);
if (next)
*next = top;
for (val = 0, base = 1, top--; top >= str; top--, base *= 10)
val += base * (long)(*top - '0');
return val;
}
int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2,
const char *func, long funclen, xdemitcb_t *ecb) {
int nb = 0;

3
xdiff/xutils.h
View file

@ -31,14 +31,11 @@ int xdl_emit_diffrec(char const *rec, long size, char const *pre, long psize,
int xdl_cha_init(chastore_t *cha, long isize, long icount);
void xdl_cha_free(chastore_t *cha);
void *xdl_cha_alloc(chastore_t *cha);
void *xdl_cha_first(chastore_t *cha);
void *xdl_cha_next(chastore_t *cha);
long xdl_guess_lines(mmfile_t *mf, long sample);
int xdl_recmatch(const char *l1, long s1, const char *l2, long s2, long flags);
unsigned long xdl_hash_record(char const **data, char const *top, long flags);
unsigned int xdl_hashbits(unsigned int size);
int xdl_num_out(char *out, long val);
long xdl_atol(char const *str, char const **next);
int xdl_emit_hunk_hdr(long s1, long c1, long s2, long c2,
const char *func, long funclen, xdemitcb_t *ecb);
int xdl_fall_back_diff(xdfenv_t *diff_env, xpparam_t const *xpp,