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-rw-r--r--xdiff/xdiff.h10
-rw-r--r--xdiff/xdiffi.c4
-rw-r--r--xdiff/xemit.c12
-rw-r--r--xdiff/xhistogram.c2
-rw-r--r--xdiff/xpatience.c2
-rw-r--r--xdiff/xprepare.c21
6 files changed, 24 insertions, 27 deletions
diff --git a/xdiff/xdiff.h b/xdiff/xdiff.h
index 00d36c3ac7..09215afe6e 100644
--- a/xdiff/xdiff.h
+++ b/xdiff/xdiff.h
@@ -32,14 +32,12 @@ extern "C" {
#define XDF_IGNORE_WHITESPACE (1 << 2)
#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
-#define XDF_PATIENCE_DIFF (1 << 5)
-#define XDF_HISTOGRAM_DIFF (1 << 6)
#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)
-#define XDL_PATCH_NORMAL '-'
-#define XDL_PATCH_REVERSE '+'
-#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
-#define XDL_PATCH_IGNOREBSPACE (1 << 8)
+#define XDF_PATIENCE_DIFF (1 << 5)
+#define XDF_HISTOGRAM_DIFF (1 << 6)
+#define XDF_DIFF_ALGORITHM_MASK (XDF_PATIENCE_DIFF | XDF_HISTOGRAM_DIFF)
+#define XDF_DIFF_ALG(x) ((x) & XDF_DIFF_ALGORITHM_MASK)
#define XDL_EMIT_FUNCNAMES (1 << 0)
#define XDL_EMIT_COMMON (1 << 1)
diff --git a/xdiff/xdiffi.c b/xdiff/xdiffi.c
index 75a3922750..bc889e8789 100644
--- a/xdiff/xdiffi.c
+++ b/xdiff/xdiffi.c
@@ -328,10 +328,10 @@ int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
xdalgoenv_t xenv;
diffdata_t dd1, dd2;
- if (xpp->flags & XDF_PATIENCE_DIFF)
+ if (XDF_DIFF_ALG(xpp->flags) == XDF_PATIENCE_DIFF)
return xdl_do_patience_diff(mf1, mf2, xpp, xe);
- if (xpp->flags & XDF_HISTOGRAM_DIFF)
+ if (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF)
return xdl_do_histogram_diff(mf1, mf2, xpp, xe);
if (xdl_prepare_env(mf1, mf2, xpp, xe) < 0) {
diff --git a/xdiff/xemit.c b/xdiff/xemit.c
index 2e669c3e25..d11dbf9f13 100644
--- a/xdiff/xemit.c
+++ b/xdiff/xemit.c
@@ -87,7 +87,7 @@ static long def_ff(const char *rec, long len, char *buf, long sz, void *priv)
static int xdl_emit_common(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
xdemitconf_t const *xecfg) {
- xdfile_t *xdf = &xe->xdf1;
+ xdfile_t *xdf = &xe->xdf2;
const char *rchg = xdf->rchg;
long ix;
@@ -204,8 +204,8 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
/*
* Emit pre-context.
*/
- for (; s1 < xch->i1; s1++)
- if (xdl_emit_record(&xe->xdf1, s1, " ", ecb) < 0)
+ for (; s2 < xch->i2; s2++)
+ if (xdl_emit_record(&xe->xdf2, s2, " ", ecb) < 0)
return -1;
for (s1 = xch->i1, s2 = xch->i2;; xch = xch->next) {
@@ -213,7 +213,7 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
* Merge previous with current change atom.
*/
for (; s1 < xch->i1 && s2 < xch->i2; s1++, s2++)
- if (xdl_emit_record(&xe->xdf1, s1, " ", ecb) < 0)
+ if (xdl_emit_record(&xe->xdf2, s2, " ", ecb) < 0)
return -1;
/*
@@ -239,8 +239,8 @@ int xdl_emit_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
/*
* Emit post-context.
*/
- for (s1 = xche->i1 + xche->chg1; s1 < e1; s1++)
- if (xdl_emit_record(&xe->xdf1, s1, " ", ecb) < 0)
+ for (s2 = xche->i2 + xche->chg2; s2 < e2; s2++)
+ if (xdl_emit_record(&xe->xdf2, s2, " ", ecb) < 0)
return -1;
}
diff --git a/xdiff/xhistogram.c b/xdiff/xhistogram.c
index 18f6f997c3..bf99787c3e 100644
--- a/xdiff/xhistogram.c
+++ b/xdiff/xhistogram.c
@@ -252,7 +252,7 @@ static int fall_back_to_classic_diff(struct histindex *index,
int line1, int count1, int line2, int count2)
{
xpparam_t xpp;
- xpp.flags = index->xpp->flags & ~XDF_HISTOGRAM_DIFF;
+ xpp.flags = index->xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
return xdl_fall_back_diff(index->env, &xpp,
line1, count1, line2, count2);
diff --git a/xdiff/xpatience.c b/xdiff/xpatience.c
index fdd7d0263f..04e1a1ab2a 100644
--- a/xdiff/xpatience.c
+++ b/xdiff/xpatience.c
@@ -288,7 +288,7 @@ static int fall_back_to_classic_diff(struct hashmap *map,
int line1, int count1, int line2, int count2)
{
xpparam_t xpp;
- xpp.flags = map->xpp->flags & ~XDF_PATIENCE_DIFF;
+ xpp.flags = map->xpp->flags & ~XDF_DIFF_ALGORITHM_MASK;
return xdl_fall_back_diff(map->env, &xpp,
line1, count1, line2, count2);
diff --git a/xdiff/xprepare.c b/xdiff/xprepare.c
index e419f4f726..63a22c630e 100644
--- a/xdiff/xprepare.c
+++ b/xdiff/xprepare.c
@@ -181,7 +181,7 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_
if (!(recs = (xrecord_t **) xdl_malloc(narec * sizeof(xrecord_t *))))
goto abort;
- if (xpp->flags & XDF_HISTOGRAM_DIFF)
+ if (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF)
hbits = hsize = 0;
else {
hbits = xdl_hashbits((unsigned int) narec);
@@ -209,8 +209,8 @@ static int xdl_prepare_ctx(unsigned int pass, mmfile_t *mf, long narec, xpparam_
crec->ha = hav;
recs[nrec++] = crec;
- if (!(xpp->flags & XDF_HISTOGRAM_DIFF) &&
- xdl_classify_record(pass, cf, rhash, hbits, crec) < 0)
+ if ((XDF_DIFF_ALG(xpp->flags) != XDF_HISTOGRAM_DIFF) &&
+ xdl_classify_record(pass, cf, rhash, hbits, crec) < 0)
goto abort;
}
}
@@ -273,16 +273,15 @@ int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
* (nrecs) will be updated correctly anyway by
* xdl_prepare_ctx().
*/
- sample = xpp->flags & XDF_HISTOGRAM_DIFF ? XDL_GUESS_NLINES2 : XDL_GUESS_NLINES1;
+ sample = (XDF_DIFF_ALG(xpp->flags) == XDF_HISTOGRAM_DIFF
+ ? XDL_GUESS_NLINES2 : XDL_GUESS_NLINES1);
enl1 = xdl_guess_lines(mf1, sample) + 1;
enl2 = xdl_guess_lines(mf2, sample) + 1;
- if (!(xpp->flags & XDF_HISTOGRAM_DIFF) &&
- xdl_init_classifier(&cf, enl1 + enl2 + 1, xpp->flags) < 0) {
-
+ if (XDF_DIFF_ALG(xpp->flags) != XDF_HISTOGRAM_DIFF &&
+ xdl_init_classifier(&cf, enl1 + enl2 + 1, xpp->flags) < 0)
return -1;
- }
if (xdl_prepare_ctx(1, mf1, enl1, xpp, &cf, &xe->xdf1) < 0) {
@@ -296,9 +295,9 @@ int xdl_prepare_env(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
return -1;
}
- if (!(xpp->flags & XDF_PATIENCE_DIFF) &&
- !(xpp->flags & XDF_HISTOGRAM_DIFF) &&
- xdl_optimize_ctxs(&cf, &xe->xdf1, &xe->xdf2) < 0) {
+ if ((XDF_DIFF_ALG(xpp->flags) != XDF_PATIENCE_DIFF) &&
+ (XDF_DIFF_ALG(xpp->flags) != XDF_HISTOGRAM_DIFF) &&
+ xdl_optimize_ctxs(&cf, &xe->xdf1, &xe->xdf2) < 0) {
xdl_free_ctx(&xe->xdf2);
xdl_free_ctx(&xe->xdf1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 19:13:39 +0000