From: Ezekiel Newren <ezekielnewren@xxxxxxxxx>
The chastore_t type is very unfriendly to Rust FFI. It's also redundant
since 'recs' is a vector type that grows every time an xrecord_t is
added.
Signed-off-by: Ezekiel Newren <ezekielnewren@xxxxxxxxx>
---
xdiff/xdiffi.c | 24 ++++++++++----------
xdiff/xemit.c | 6 ++---
xdiff/xhistogram.c | 2 +-
xdiff/xmerge.c | 56 +++++++++++++++++++++++-----------------------
xdiff/xpatience.c | 10 ++++-----
xdiff/xprepare.c | 19 ++++++----------
xdiff/xtypes.h | 3 +--
xdiff/xutils.c | 12 +++++-----
8 files changed, 63 insertions(+), 69 deletions(-)
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index 11cd090b53..a66125d44a 100644
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -24,7 +24,7 @@
static unsigned long get_hash(xdfile_t *xdf, long index)
{
- return xdf->recs[xdf->rindex[index]]->ha;
+ return xdf->recs[xdf->rindex[index]].ha;
}
#define XDL_MAX_COST_MIN 256
@@ -489,13 +489,13 @@ static void measure_split(const xdfile_t *xdf, long split,
m->indent = -1;
} else {
m->end_of_file = 0;
- m->indent = get_indent(xdf->recs[split]);
+ m->indent = get_indent(&xdf->recs[split]);
}
m->pre_blank = 0;
m->pre_indent = -1;
for (i = split - 1; i >= 0; i--) {
- m->pre_indent = get_indent(xdf->recs[i]);
+ m->pre_indent = get_indent(&xdf->recs[i]);
if (m->pre_indent != -1)
break;
m->pre_blank += 1;
@@ -508,7 +508,7 @@ static void measure_split(const xdfile_t *xdf, long split,
m->post_blank = 0;
m->post_indent = -1;
for (i = split + 1; i < xdf->nrec; i++) {
- m->post_indent = get_indent(xdf->recs[i]);
+ m->post_indent = get_indent(&xdf->recs[i]);
if (m->post_indent != -1)
break;
m->post_blank += 1;
@@ -752,7 +752,7 @@ static inline int group_previous(xdfile_t *xdf, struct xdlgroup *g)
static int group_slide_down(xdfile_t *xdf, struct xdlgroup *g)
{
if (g->end < xdf->nrec &&
- recs_match(xdf->recs[g->start], xdf->recs[g->end])) {
+ recs_match(&xdf->recs[g->start], &xdf->recs[g->end])) {
xdf->rchg[g->start++] = 0;
xdf->rchg[g->end++] = 1;
@@ -773,7 +773,7 @@ static int group_slide_down(xdfile_t *xdf, struct xdlgroup *g)
static int group_slide_up(xdfile_t *xdf, struct xdlgroup *g)
{
if (g->start > 0 &&
- recs_match(xdf->recs[g->start - 1], xdf->recs[g->end - 1])) {
+ recs_match(&xdf->recs[g->start - 1], &xdf->recs[g->end - 1])) {
xdf->rchg[--g->start] = 1;
xdf->rchg[--g->end] = 0;
@@ -988,16 +988,16 @@ static void xdl_mark_ignorable_lines(xdchange_t *xscr, xdfenv_t *xe, long flags)
for (xch = xscr; xch; xch = xch->next) {
int ignore = 1;
- xrecord_t **rec;
+ xrecord_t *rec;
long i;
rec = &xe->xdf1.recs[xch->i1];
for (i = 0; i < xch->chg1 && ignore; i++)
- ignore = xdl_blankline(rec[i]->ptr, rec[i]->size, flags);
+ ignore = xdl_blankline(rec[i].ptr, rec[i].size, flags);
rec = &xe->xdf2.recs[xch->i2];
for (i = 0; i < xch->chg2 && ignore; i++)
- ignore = xdl_blankline(rec[i]->ptr, rec[i]->size, flags);
+ ignore = xdl_blankline(rec[i].ptr, rec[i].size, flags);
xch->ignore = ignore;
}
@@ -1021,7 +1021,7 @@ static void xdl_mark_ignorable_regex(xdchange_t *xscr, const xdfenv_t *xe,
xdchange_t *xch;
for (xch = xscr; xch; xch = xch->next) {
- xrecord_t **rec;
+ xrecord_t *rec;
int ignore = 1;
long i;
@@ -1033,11 +1033,11 @@ static void xdl_mark_ignorable_regex(xdchange_t *xscr, const xdfenv_t *xe,
rec = &xe->xdf1.recs[xch->i1];
for (i = 0; i < xch->chg1 && ignore; i++)
- ignore = record_matches_regex(rec[i], xpp);
+ ignore = record_matches_regex(&rec[i], xpp);
rec = &xe->xdf2.recs[xch->i2];
for (i = 0; i < xch->chg2 && ignore; i++)
- ignore = record_matches_regex(rec[i], xpp);
+ ignore = record_matches_regex(&rec[i], xpp);
xch->ignore = ignore;
}
diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 2161ac3cd0..b2f1f30cd3 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -25,7 +25,7 @@
static int xdl_emit_record(xdfile_t *xdf, long ri, char const *pre, xdemitcb_t *ecb)
{
- xrecord_t *rec = xdf->recs[ri];
+ xrecord_t *rec = &xdf->recs[ri];
if (xdl_emit_diffrec(rec->ptr, rec->size, pre, strlen(pre), ecb) < 0)
return -1;
@@ -110,7 +110,7 @@ static long def_ff(const char *rec, long len, char *buf, long sz)
static long match_func_rec(xdfile_t *xdf, xdemitconf_t const *xecfg, long ri,
char *buf, long sz)
{
- xrecord_t *rec = xdf->recs[ri];
+ xrecord_t *rec = &xdf->recs[ri];
if (!xecfg->find_func)
return def_ff(rec->ptr, rec->size, buf, sz);
@@ -150,7 +150,7 @@ static long get_func_line(xdfenv_t *xe, xdemitconf_t const *xecfg,
static int is_empty_rec(xdfile_t *xdf, long ri)
{
- xrecord_t *rec = xdf->recs[ri];
+ xrecord_t *rec = &xdf->recs[ri];
long i = 0;
for (; i < rec->size && XDL_ISSPACE(rec->ptr[i]); i++);
diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
index 040d81e0bc..4d857e8ae2 100644
--- a/xdiff/xhistogram.c
+++ b/xdiff/xhistogram.c
@@ -86,7 +86,7 @@ struct region {
((LINE_MAP(index, ptr))->cnt)
#define REC(env, s, l) \
- (env->xdf##s.recs[l - 1])
+ (&env->xdf##s.recs[l - 1])
static int cmp_recs(xrecord_t *r1, xrecord_t *r2)
{
diff --git a/xdiff/xmerge.c b/xdiff/xmerge.c
index af40c88a5b..fd600cbb5d 100644
--- a/xdiff/xmerge.c
+++ b/xdiff/xmerge.c
@@ -97,12 +97,12 @@ static int xdl_merge_cmp_lines(xdfenv_t *xe1, int i1, xdfenv_t *xe2, int i2,
int line_count, long flags)
{
int i;
- xrecord_t **rec1 = xe1->xdf2.recs + i1;
- xrecord_t **rec2 = xe2->xdf2.recs + i2;
+ xrecord_t *rec1 = xe1->xdf2.recs + i1;
+ xrecord_t *rec2 = xe2->xdf2.recs + i2;
for (i = 0; i < line_count; i++) {
- int result = xdl_recmatch(rec1[i]->ptr, rec1[i]->size,
- rec2[i]->ptr, rec2[i]->size, flags);
+ int result = xdl_recmatch(rec1[i].ptr, rec1[i].size,
+ rec2[i].ptr, rec2[i].size, flags);
if (!result)
return -1;
}
@@ -111,7 +111,7 @@ static int xdl_merge_cmp_lines(xdfenv_t *xe1, int i1, xdfenv_t *xe2, int i2,
static int xdl_recs_copy_0(int use_orig, xdfenv_t *xe, int i, int count, int needs_cr, int add_nl, char *dest)
{
- xrecord_t **recs;
+ xrecord_t *recs;
int size = 0;
recs = (use_orig ? xe->xdf1.recs : xe->xdf2.recs) + i;
@@ -119,12 +119,12 @@ static int xdl_recs_copy_0(int use_orig, xdfenv_t *xe, int i, int count, int nee
if (count < 1)
return 0;
- for (i = 0; i < count; size += recs[i++]->size)
+ for (i = 0; i < count; size += recs[i++].size)
if (dest)
- memcpy(dest + size, recs[i]->ptr, recs[i]->size);
+ memcpy(dest + size, recs[i].ptr, recs[i].size);
if (add_nl) {
- i = recs[count - 1]->size;
- if (i == 0 || recs[count - 1]->ptr[i - 1] != '\n') {
+ i = recs[count - 1].size;
+ if (i == 0 || recs[count - 1].ptr[i - 1] != '\n') {
if (needs_cr) {
if (dest)
dest[size] = '\r';
@@ -160,22 +160,22 @@ static int is_eol_crlf(xdfile_t *file, int i)
if (i < file->nrec - 1)
/* All lines before the last *must* end in LF */
- return (size = file->recs[i]->size) > 1 &&
- file->recs[i]->ptr[size - 2] == '\r';
+ return (size = file->recs[i].size) > 1 &&
+ file->recs[i].ptr[size - 2] == '\r';
if (!file->nrec)
/* Cannot determine eol style from empty file */
return -1;
- if ((size = file->recs[i]->size) &&
- file->recs[i]->ptr[size - 1] == '\n')
+ if ((size = file->recs[i].size) &&
+ file->recs[i].ptr[size - 1] == '\n')
/* Last line; ends in LF; Is it CR/LF? */
return size > 1 &&
- file->recs[i]->ptr[size - 2] == '\r';
+ file->recs[i].ptr[size - 2] == '\r';
if (!i)
/* The only line has no eol */
return -1;
/* Determine eol from second-to-last line */
- return (size = file->recs[i - 1]->size) > 1 &&
- file->recs[i - 1]->ptr[size - 2] == '\r';
+ return (size = file->recs[i - 1].size) > 1 &&
+ file->recs[i - 1].ptr[size - 2] == '\r';
}
static int is_cr_needed(xdfenv_t *xe1, xdfenv_t *xe2, xdmerge_t *m)
@@ -334,22 +334,22 @@ static int recmatch(xrecord_t *rec1, xrecord_t *rec2, unsigned long flags)
static void xdl_refine_zdiff3_conflicts(xdfenv_t *xe1, xdfenv_t *xe2, xdmerge_t *m,
xpparam_t const *xpp)
{
- xrecord_t **rec1 = xe1->xdf2.recs, **rec2 = xe2->xdf2.recs;
+ xrecord_t *rec1 = xe1->xdf2.recs, *rec2 = xe2->xdf2.recs;
for (; m; m = m->next) {
/* let's handle just the conflicts */
if (m->mode)
continue;
while(m->chg1 && m->chg2 &&
- recmatch(rec1[m->i1], rec2[m->i2], xpp->flags)) {
+ recmatch(&rec1[m->i1], &rec2[m->i2], xpp->flags)) {
m->chg1--;
m->chg2--;
m->i1++;
m->i2++;
}
while (m->chg1 && m->chg2 &&
- recmatch(rec1[m->i1 + m->chg1 - 1],
- rec2[m->i2 + m->chg2 - 1], xpp->flags)) {
+ recmatch(&rec1[m->i1 + m->chg1 - 1],
+ &rec2[m->i2 + m->chg2 - 1], xpp->flags)) {
m->chg1--;
m->chg2--;
}
@@ -381,12 +381,12 @@ static int xdl_refine_conflicts(xdfenv_t *xe1, xdfenv_t *xe2, xdmerge_t *m,
* This probably does not work outside git, since
* we have a very simple mmfile structure.
*/
- t1.ptr = (char *)xe1->xdf2.recs[m->i1]->ptr;
- t1.size = xe1->xdf2.recs[m->i1 + m->chg1 - 1]->ptr
- + xe1->xdf2.recs[m->i1 + m->chg1 - 1]->size - t1.ptr;
- t2.ptr = (char *)xe2->xdf2.recs[m->i2]->ptr;
- t2.size = xe2->xdf2.recs[m->i2 + m->chg2 - 1]->ptr
- + xe2->xdf2.recs[m->i2 + m->chg2 - 1]->size - t2.ptr;
+ t1.ptr = (char *)xe1->xdf2.recs[m->i1].ptr;
+ t1.size = xe1->xdf2.recs[m->i1 + m->chg1 - 1].ptr
+ + xe1->xdf2.recs[m->i1 + m->chg1 - 1].size - t1.ptr;
+ t2.ptr = (char *)xe2->xdf2.recs[m->i2].ptr;
+ t2.size = xe2->xdf2.recs[m->i2 + m->chg2 - 1].ptr
+ + xe2->xdf2.recs[m->i2 + m->chg2 - 1].size - t2.ptr;
if (xdl_do_diff(&t1, &t2, xpp, &xe) < 0)
return -1;
if (xdl_change_compact(&xe.xdf1, &xe.xdf2, xpp->flags) < 0 ||
@@ -440,8 +440,8 @@ static int line_contains_alnum(const char *ptr, long size)
static int lines_contain_alnum(xdfenv_t *xe, int i, int chg)
{
for (; chg; chg--, i++)
- if (line_contains_alnum(xe->xdf2.recs[i]->ptr,
- xe->xdf2.recs[i]->size))
+ if (line_contains_alnum(xe->xdf2.recs[i].ptr,
+ xe->xdf2.recs[i].size))
return 1;
return 0;
}
diff --git a/xdiff/xpatience.c b/xdiff/xpatience.c
index 77dc411d19..bf69a58527 100644
--- a/xdiff/xpatience.c
+++ b/xdiff/xpatience.c
@@ -88,9 +88,9 @@ static int is_anchor(xpparam_t const *xpp, const char *line)
static void insert_record(xpparam_t const *xpp, int line, struct hashmap *map,
int pass)
{
- xrecord_t **records = pass == 1 ?
+ xrecord_t *records = pass == 1 ?
map->env->xdf1.recs : map->env->xdf2.recs;
- xrecord_t *record = records[line - 1];
+ xrecord_t *record = &records[line - 1];
/*
* After xdl_prepare_env() (or more precisely, due to
* xdl_classify_record()), the "ha" member of the records (AKA lines)
@@ -121,7 +121,7 @@ static void insert_record(xpparam_t const *xpp, int line, struct hashmap *map,
return;
map->entries[index].line1 = line;
map->entries[index].hash = record->ha;
- map->entries[index].anchor = is_anchor(xpp, map->env->xdf1.recs[line - 1]->ptr);
+ map->entries[index].anchor = is_anchor(xpp, map->env->xdf1.recs[line - 1].ptr);
if (!map->first)
map->first = map->entries + index;
if (map->last) {
@@ -246,8 +246,8 @@ static int find_longest_common_sequence(struct hashmap *map, struct entry **res)
static int match(struct hashmap *map, int line1, int line2)
{
- xrecord_t *record1 = map->env->xdf1.recs[line1 - 1];
- xrecord_t *record2 = map->env->xdf2.recs[line2 - 1];
+ xrecord_t *record1 = &map->env->xdf1.recs[line1 - 1];
+ xrecord_t *record2 = &map->env->xdf2.recs[line2 - 1];
return record1->ha == record2->ha;
}
diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c
index 6f1d4b4725..92f9845003 100644
--- a/xdiff/xprepare.c
+++ b/xdiff/xprepare.c
@@ -131,7 +131,6 @@ static void xdl_free_ctx(xdfile_t *xdf)
xdl_free(xdf->rindex);
xdl_free(xdf->rchg - 1);
xdl_free(xdf->recs);
- xdl_cha_free(&xdf->rcha);
}
@@ -146,8 +145,6 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_
xdf->rchg = NULL;
xdf->recs = NULL;
- if (xdl_cha_init(&xdf->rcha, sizeof(xrecord_t), narec / 4 + 1) < 0)
- goto abort;
if (!XDL_ALLOC_ARRAY(xdf->recs, narec))
goto abort;
@@ -158,12 +155,10 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_
hav = xdl_hash_record(&cur, top, xpp->flags);
if (XDL_ALLOC_GROW(xdf->recs, xdf->nrec + 1, narec))
goto abort;
- if (!(crec = xdl_cha_alloc(&xdf->rcha)))
- goto abort;
+ crec = &xdf->recs[xdf->nrec++];
crec->ptr = prev;
crec->size = (long) (cur - prev);
crec->ha = hav;
- xdf->recs[xdf->nrec++] = crec;
if (xdl_classify_record(pass, cf, crec) < 0)
goto abort;
}
@@ -263,7 +258,7 @@ static int xdl_clean_mmatch(char const *dis, long i, long s, long e) {
*/
static int xdl_cleanup_records(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xdf2) {
long i, nm, nreff, mlim;
- xrecord_t **recs;
+ xrecord_t *recs;
xdlclass_t *rcrec;
char *dis, *dis1, *dis2;
int need_min = !!(cf->flags & XDF_NEED_MINIMAL);
@@ -276,7 +271,7 @@ static int xdl_cleanup_records(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xd
if ((mlim = xdl_bogosqrt(xdf1->nrec)) > XDL_MAX_EQLIMIT)
mlim = XDL_MAX_EQLIMIT;
for (i = xdf1->dstart, recs = &xdf1->recs[xdf1->dstart]; i <= xdf1->dend; i++, recs++) {
- rcrec = cf->rcrecs[(*recs)->ha];
+ rcrec = cf->rcrecs[recs->ha];
nm = rcrec ? rcrec->len2 : 0;
dis1[i] = (nm == 0) ? 0: (nm >= mlim && !need_min) ? 2: 1;
}
@@ -284,7 +279,7 @@ static int xdl_cleanup_records(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xd
if ((mlim = xdl_bogosqrt(xdf2->nrec)) > XDL_MAX_EQLIMIT)
mlim = XDL_MAX_EQLIMIT;
for (i = xdf2->dstart, recs = &xdf2->recs[xdf2->dstart]; i <= xdf2->dend; i++, recs++) {
- rcrec = cf->rcrecs[(*recs)->ha];
+ rcrec = cf->rcrecs[recs->ha];
nm = rcrec ? rcrec->len1 : 0;
dis2[i] = (nm == 0) ? 0: (nm >= mlim && !need_min) ? 2: 1;
}
@@ -320,13 +315,13 @@ static int xdl_cleanup_records(xdlclassifier_t *cf, xdfile_t *xdf1, xdfile_t *xd
*/
static int xdl_trim_ends(xdfile_t *xdf1, xdfile_t *xdf2) {
long i, lim;
- xrecord_t **recs1, **recs2;
+ xrecord_t *recs1, *recs2;
recs1 = xdf1->recs;
recs2 = xdf2->recs;
for (i = 0, lim = XDL_MIN(xdf1->nrec, xdf2->nrec); i < lim;
i++, recs1++, recs2++)
- if ((*recs1)->ha != (*recs2)->ha)
+ if (recs1->ha != recs2->ha)
break;
xdf1->dstart = xdf2->dstart = i;
@@ -334,7 +329,7 @@ static int xdl_trim_ends(xdfile_t *xdf1, xdfile_t *xdf2) {
recs1 = xdf1->recs + xdf1->nrec - 1;
recs2 = xdf2->recs + xdf2->nrec - 1;
for (lim -= i, i = 0; i < lim; i++, recs1--, recs2--)
- if ((*recs1)->ha != (*recs2)->ha)
+ if (recs1->ha != recs2->ha)
break;
xdf1->dend = xdf1->nrec - i - 1;
diff --git a/xdiff/xtypes.h b/xdiff/xtypes.h
index 85848f1685..3d26cbf1ec 100644
--- a/xdiff/xtypes.h
+++ b/xdiff/xtypes.h
@@ -45,10 +45,9 @@ typedef struct s_xrecord {
} xrecord_t;
typedef struct s_xdfile {
- chastore_t rcha;
+ xrecord_t *recs;
long nrec;
long dstart, dend;
- xrecord_t **recs;
char *rchg;
long *rindex;
long nreff;
diff --git a/xdiff/xutils.c b/xdiff/xutils.c
index 444a108f87..332982b509 100644
--- a/xdiff/xutils.c
+++ b/xdiff/xutils.c
@@ -416,12 +416,12 @@ int xdl_fall_back_diff(xdfenv_t *diff_env, xpparam_t const *xpp,
mmfile_t subfile1, subfile2;
xdfenv_t env;
- subfile1.ptr = (char *)diff_env->xdf1.recs[line1 - 1]->ptr;
- subfile1.size = diff_env->xdf1.recs[line1 + count1 - 2]->ptr +
- diff_env->xdf1.recs[line1 + count1 - 2]->size - subfile1.ptr;
- subfile2.ptr = (char *)diff_env->xdf2.recs[line2 - 1]->ptr;
- subfile2.size = diff_env->xdf2.recs[line2 + count2 - 2]->ptr +
- diff_env->xdf2.recs[line2 + count2 - 2]->size - subfile2.ptr;
+ subfile1.ptr = (char *)diff_env->xdf1.recs[line1 - 1].ptr;
+ subfile1.size = diff_env->xdf1.recs[line1 + count1 - 2].ptr +
+ diff_env->xdf1.recs[line1 + count1 - 2].size - subfile1.ptr;
+ subfile2.ptr = (char *)diff_env->xdf2.recs[line2 - 1].ptr;
+ subfile2.size = diff_env->xdf2.recs[line2 + count2 - 2].ptr +
+ diff_env->xdf2.recs[line2 + count2 - 2].size - subfile2.ptr;
if (xdl_do_diff(&subfile1, &subfile2, xpp, &env) < 0)
return -1;
--
gitgitgadget
