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-rw-r--r--src/nvim/diff.c64
1 files changed, 26 insertions, 38 deletions
diff --git a/src/nvim/diff.c b/src/nvim/diff.c
index 1d70145209..5c43b2498e 100644
--- a/src/nvim/diff.c
+++ b/src/nvim/diff.c
@@ -73,21 +73,21 @@ static TriState diff_a_works = kNone;
// used for diff input
typedef struct {
char_u *din_fname; // used for external diff
- mmfile_t din_mmfile; // used for internal diff
+ mmfile_t din_mmfile; // used for internal diff
} diffin_T;
// used for diff result
typedef struct {
char_u *dout_fname; // used for external diff
- garray_T dout_ga; // used for internal diff
+ garray_T dout_ga; // used for internal diff
} diffout_T;
// two diff inputs and one result
typedef struct {
- diffin_T dio_orig; // original file input
- diffin_T dio_new; // new file input
- diffout_T dio_diff; // diff result
- int dio_internal; // using internal diff
+ diffin_T dio_orig; // original file input
+ diffin_T dio_new; // new file input
+ diffout_T dio_diff; // diff result
+ int dio_internal; // using internal diff
} diffio_T;
#ifdef INCLUDE_GENERATED_DECLARATIONS
@@ -702,9 +702,9 @@ static void clear_diffout(diffout_T *dout)
/// @return FAIL for failure.
static int diff_write_buffer(buf_T *buf, diffin_T *din)
{
- linenr_T lnum;
+ linenr_T lnum;
char_u *s;
- long len = 0;
+ long len = 0;
char_u *ptr;
// xdiff requires one big block of memory with all the text.
@@ -732,7 +732,7 @@ static int diff_write_buffer(buf_T *buf, diffin_T *din)
for (lnum = 1; lnum <= buf->b_ml.ml_line_count; lnum++) {
for (s = ml_get_buf(buf, lnum, false); *s != NUL; ) {
if (diff_flags & DIFF_ICASE) {
- char_u cbuf[MB_MAXBYTES + 1];
+ char_u cbuf[MB_MAXBYTES + 1];
// xdiff doesn't support ignoring case, fold-case the text.
int c = PTR2CHAR(s);
@@ -787,10 +787,10 @@ static int diff_write(buf_T *buf, diffin_T *din)
/// @param dio
/// @param idx_orig
/// @param eap can be NULL
-static void diff_try_update(diffio_T *dio, int idx_orig, exarg_T *eap)
+static void diff_try_update(diffio_T *dio, int idx_orig, exarg_T *eap)
{
buf_T *buf;
- int idx_new;
+ int idx_new;
if (dio->dio_internal) {
ga_init(&dio->dio_diff.dout_ga, sizeof(char *), 1000);
@@ -928,7 +928,7 @@ void ex_diffupdate(exarg_T *eap)
}
// Only use the internal method if it did not fail for one of the buffers.
- diffio_T diffio;
+ diffio_T diffio;
memset(&diffio, 0, sizeof(diffio));
diffio.dio_internal = diff_internal() && !diff_internal_failed();
@@ -1044,9 +1044,9 @@ static int check_external_diff(diffio_T *diffio)
///
static int diff_file_internal(diffio_T *diffio)
{
- xpparam_t param;
- xdemitconf_t emit_cfg;
- xdemitcb_t emit_cb;
+ xpparam_t param;
+ xdemitconf_t emit_cfg;
+ xdemitcb_t emit_cb;
memset(&param, 0, sizeof(param));
memset(&emit_cfg, 0, sizeof(emit_cfg));
@@ -1985,26 +1985,6 @@ static int diff_cmp(char_u *s1, char_u *s2)
return 0;
}
-/// Return the number of filler lines above "lnum".
-///
-/// @param wp
-/// @param lnum
-///
-/// @return Number of filler lines above lnum
-int diff_check_fill(win_T *wp, linenr_T lnum)
-{
- // be quick when there are no filler lines
- if (!(diff_flags & DIFF_FILLER)) {
- return 0;
- }
- int n = diff_check(wp, lnum);
-
- if (n <= 0) {
- return 0;
- }
- return n;
-}
-
/// Set the topline of "towin" to match the position in "fromwin", so that they
/// show the same diff'ed lines.
///
@@ -2030,6 +2010,7 @@ void diff_set_topline(win_T *fromwin, win_T *towin)
}
towin->w_topfill = 0;
+
// search for a change that includes "lnum" in the list of diffblocks.
for (dp = curtab->tp_first_diff; dp != NULL; dp = dp->df_next) {
if (lnum <= dp->df_lnum[fromidx] + dp->df_count[fromidx]) {
@@ -2255,6 +2236,13 @@ bool diffopt_closeoff(void)
return (diff_flags & DIFF_CLOSE_OFF) != 0;
}
+// Return true if 'diffopt' contains "filler".
+bool diffopt_filler(void)
+ FUNC_ATTR_PURE FUNC_ATTR_WARN_UNUSED_RESULT
+{
+ return (diff_flags & DIFF_FILLER) != 0;
+}
+
/// Find the difference within a changed line.
///
/// @param wp window whose current buffer to check
@@ -3033,8 +3021,8 @@ static int parse_diff_ed(char_u *line, linenr_T *lnum_orig, long *count_orig, li
long *count_new)
{
char_u *p;
- long f1, l1, f2, l2;
- int difftype;
+ long f1, l1, f2, l2;
+ int difftype;
// The line must be one of three formats:
// change: {first}[,{last}]c{first}[,{last}]
@@ -3088,7 +3076,7 @@ static int parse_diff_unified(char_u *line, linenr_T *lnum_orig, long *count_ori
linenr_T *lnum_new, long *count_new)
{
char_u *p;
- long oldline, oldcount, newline, newcount;
+ long oldline, oldcount, newline, newcount;
// Parse unified diff hunk header:
// @@ -oldline,oldcount +newline,newcount @@