xread/xwrite: clip MAX_IO_SIZE to SSIZE_MAX

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 3a410c35d99ae030a75c4d3065b7023467e0d1c6..5cf3e313700e4cbcd26ae1a9f3f99f2819e40702 100644 (file)
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -46,10 +46,14 @@ static const char *tag_modified = "";
 static const char *tag_skip_worktree = "";
 static const char *tag_resolve_undo = "";
 
-static void write_name(const char* name, size_t len)
+static void write_name(const char *name)
 {
-       write_name_quoted_relative(name, len, prefix, prefix_len, stdout,
-                       line_terminator);
+       /*
+        * With "--full-name", prefix_len=0; this caller needs to pass
+        * an empty string in that case (a NULL is good for "").
+        */
+       write_name_quoted_relative(name, prefix_len ? prefix : NULL,
+                                  stdout, line_terminator);
 }
 
 static void show_dir_entry(const char *tag, struct dir_entry *ent)
@@ -63,7 +67,7 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent)
                return;
 
        fputs(tag, stdout);
-       write_name(ent->name, ent->len);
+       write_name(ent->name);
 }
 
 static void show_other_files(struct dir_struct *dir)
@@ -127,7 +131,7 @@ static void show_killed_files(struct dir_struct *dir)
        }
 }
 
-static void show_ce_entry(const char *tag, struct cache_entry *ce)
+static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 {
        int len = max_prefix_len;
 
@@ -163,9 +167,9 @@ static void show_ce_entry(const char *tag, struct cache_entry *ce)
                       find_unique_abbrev(ce->sha1,abbrev),
                       ce_stage(ce));
        }
-       write_name(ce->name, ce_namelen(ce));
+       write_name(ce->name);
        if (debug_mode) {
-               struct stat_data *sd = &ce->ce_stat_data;
+               const struct stat_data *sd = &ce->ce_stat_data;
 
                printf("  ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
                printf("  mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
@@ -198,12 +202,12 @@ static void show_ru_info(void)
                        printf("%s%06o %s %d\t", tag_resolve_undo, ui->mode[i],
                               find_unique_abbrev(ui->sha1[i], abbrev),
                               i + 1);
-                       write_name(path, len);
+                       write_name(path);
                }
        }
 }
 
-static int ce_excluded(struct dir_struct *dir, struct cache_entry *ce)
+static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce)
 {
        int dtype = ce_to_dtype(ce);
        return is_excluded(dir, ce->name, &dtype);
@@ -223,7 +227,7 @@ static void show_files(struct dir_struct *dir)
        }
        if (show_cached || show_stage) {
                for (i = 0; i < active_nr; i++) {
-                       struct cache_entry *ce = active_cache[i];
+                       const struct cache_entry *ce = active_cache[i];
                        if ((dir->flags & DIR_SHOW_IGNORED) &&
                            !ce_excluded(dir, ce))
                                continue;
@@ -237,7 +241,7 @@ static void show_files(struct dir_struct *dir)
        }
        if (show_deleted || show_modified) {
                for (i = 0; i < active_nr; i++) {
-                       struct cache_entry *ce = active_cache[i];
+                       const struct cache_entry *ce = active_cache[i];
                        struct stat st;
                        int err;
                        if ((dir->flags & DIR_SHOW_IGNORED) &&
@@ -273,7 +277,7 @@ static void prune_cache(const char *prefix)
        last = active_nr;
        while (last > first) {
                int next = (last + first) >> 1;
-               struct cache_entry *ce = active_cache[next];
+               const struct cache_entry *ce = active_cache[next];
                if (!strncmp(ce->name, prefix, max_prefix_len)) {
                        first = next+1;
                        continue;
@@ -391,7 +395,7 @@ int report_path_error(const char *ps_matched, const char **pathspec, const char
                if (found_dup)
                        continue;
 
-               name = quote_path_relative(pathspec[num], -1, &sb, prefix);
+               name = quote_path_relative(pathspec[num], prefix, &sb);
                error("pathspec '%s' did not match any file(s) known to git.",
                      name);
                errors++;