travis: run tests with GIT_TEST_SPLIT_INDEX
[gitweb.git] / diff.c
diff --git a/diff.c b/diff.c
index 64cdcf2331489ad178031b88140f61840d994bd2..1898dd307d40db131ba2378e22ed3efed1dc2520 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -358,6 +358,9 @@ int git_diff_ui_config(const char *var, const char *value, void *cb)
                return 0;
        }
 
+       if (git_color_config(var, value, cb) < 0)
+               return -1;
+
        return git_diff_basic_config(var, value, cb);
 }
 
@@ -459,7 +462,7 @@ static struct diff_tempfile {
         * If this diff_tempfile instance refers to a temporary file,
         * this tempfile object is used to manage its lifetime.
         */
-       struct tempfile tempfile;
+       struct tempfile *tempfile;
 } diff_temp[2];
 
 struct emit_callback {
@@ -704,81 +707,14 @@ struct moved_entry {
        struct moved_entry *next_line;
 };
 
-static int next_byte(const char **cp, const char **endp,
-                    const struct diff_options *diffopt)
-{
-       int retval;
-
-       if (*cp > *endp)
-               return -1;
-
-       if (DIFF_XDL_TST(diffopt, IGNORE_WHITESPACE_CHANGE)) {
-               while (*cp < *endp && isspace(**cp))
-                       (*cp)++;
-               /*
-                * After skipping a couple of whitespaces, we still have to
-                * account for one space.
-                */
-               return (int)' ';
-       }
-
-       if (DIFF_XDL_TST(diffopt, IGNORE_WHITESPACE)) {
-               while (*cp < *endp && isspace(**cp))
-                       (*cp)++;
-               /* return the first non-ws character via the usual below */
-       }
-
-       retval = (unsigned char)(**cp);
-       (*cp)++;
-       return retval;
-}
-
 static int moved_entry_cmp(const struct diff_options *diffopt,
                           const struct moved_entry *a,
                           const struct moved_entry *b,
                           const void *keydata)
 {
-       const char *ap = a->es->line, *ae = a->es->line + a->es->len;
-       const char *bp = b->es->line, *be = b->es->line + b->es->len;
-
-       if (!(diffopt->xdl_opts & XDF_WHITESPACE_FLAGS))
-               return a->es->len != b->es->len  || memcmp(ap, bp, a->es->len);
-
-       if (DIFF_XDL_TST(diffopt, IGNORE_WHITESPACE_AT_EOL)) {
-               while (ae > ap && isspace(*ae))
-                       ae--;
-               while (be > bp && isspace(*be))
-                       be--;
-       }
-
-       while (1) {
-               int ca, cb;
-               ca = next_byte(&ap, &ae, diffopt);
-               cb = next_byte(&bp, &be, diffopt);
-               if (ca != cb)
-                       return 1;
-               if (ca < 0)
-                       return 0;
-       }
-}
-
-static unsigned get_string_hash(struct emitted_diff_symbol *es, struct diff_options *o)
-{
-       if (o->xdl_opts & XDF_WHITESPACE_FLAGS) {
-               static struct strbuf sb = STRBUF_INIT;
-               const char *ap = es->line, *ae = es->line + es->len;
-               int c;
-
-               strbuf_reset(&sb);
-               while (ae > ap && isspace(*ae))
-                       ae--;
-               while ((c = next_byte(&ap, &ae, o)) > 0)
-                       strbuf_addch(&sb, c);
-
-               return memhash(sb.buf, sb.len);
-       } else {
-               return memhash(es->line, es->len);
-       }
+       return !xdiff_compare_lines(a->es->line, a->es->len,
+                                   b->es->line, b->es->len,
+                                   diffopt->xdl_opts);
 }
 
 static struct moved_entry *prepare_entry(struct diff_options *o,
@@ -787,7 +723,7 @@ static struct moved_entry *prepare_entry(struct diff_options *o,
        struct moved_entry *ret = xmalloc(sizeof(*ret));
        struct emitted_diff_symbol *l = &o->emitted_symbols->buf[line_no];
 
-       ret->ent.hash = get_string_hash(l, o);
+       ret->ent.hash = xdiff_hash_string(l->line, l->len, o->xdl_opts);
        ret->es = l;
        ret->next_line = NULL;
 
@@ -1414,7 +1350,7 @@ static void remove_tempfile(void)
 {
        int i;
        for (i = 0; i < ARRAY_SIZE(diff_temp); i++) {
-               if (is_tempfile_active(&diff_temp[i].tempfile))
+               if (is_tempfile_active(diff_temp[i].tempfile))
                        delete_tempfile(&diff_temp[i].tempfile);
                diff_temp[i].name = NULL;
        }
@@ -1541,7 +1477,7 @@ static void emit_rewrite_diff(const char *name_a,
 
 struct diff_words_buffer {
        mmfile_t text;
-       long alloc;
+       unsigned long alloc;
        struct diff_words_orig {
                const char *begin, *end;
        } *orig;
@@ -3609,14 +3545,12 @@ int diff_populate_filespec(struct diff_filespec *s, unsigned int flags)
                int fd;
 
                if (lstat(s->path, &st) < 0) {
-                       if (errno == ENOENT) {
-                       err_empty:
-                               err = -1;
-                       empty:
-                               s->data = (char *)"";
-                               s->size = 0;
-                               return err;
-                       }
+               err_empty:
+                       err = -1;
+               empty:
+                       s->data = (char *)"";
+                       s->size = 0;
+                       return err;
                }
                s->size = xsize_t(st.st_size);
                if (!s->size)
@@ -3721,7 +3655,6 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
                           const struct object_id *oid,
                           int mode)
 {
-       int fd;
        struct strbuf buf = STRBUF_INIT;
        struct strbuf template = STRBUF_INIT;
        char *path_dup = xstrdup(path);
@@ -3731,18 +3664,18 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
        strbuf_addstr(&template, "XXXXXX_");
        strbuf_addstr(&template, base);
 
-       fd = mks_tempfile_ts(&temp->tempfile, template.buf, strlen(base) + 1);
-       if (fd < 0)
+       temp->tempfile = mks_tempfile_ts(template.buf, strlen(base) + 1);
+       if (!temp->tempfile)
                die_errno("unable to create temp-file");
        if (convert_to_working_tree(path,
                        (const char *)blob, (size_t)size, &buf)) {
                blob = buf.buf;
                size = buf.len;
        }
-       if (write_in_full(fd, blob, size) != size)
+       if (write_in_full(temp->tempfile->fd, blob, size) < 0 ||
+           close_tempfile_gently(temp->tempfile))
                die_errno("unable to write temp-file");
-       close_tempfile(&temp->tempfile);
-       temp->name = get_tempfile_path(&temp->tempfile);
+       temp->name = get_tempfile_path(temp->tempfile);
        oid_to_hex_r(temp->hex, oid);
        xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
        strbuf_release(&buf);
@@ -5273,6 +5206,7 @@ static void show_mode_change(struct diff_options *opt, struct diff_filepair *p,
                        strbuf_addch(&sb, ' ');
                        quote_c_style(p->two->path, &sb, NULL, 0);
                }
+               strbuf_addch(&sb, '\n');
                emit_diff_symbol(opt, DIFF_SYMBOL_SUMMARY,
                                 sb.buf, sb.len, 0);
                strbuf_release(&sb);