avoid "write_in_full(fd, buf, len) != len" pattern

diff --git a/pathspec.c b/pathspec.c
index 50f76fff458e45f57ae67c3474de8378f390f978..e2a23ebc9668b066d337391e96139af49907edfa 100644 (file)
--- a/pathspec.c
+++ b/pathspec.c
@@ -1,4 +1,6 @@
+#define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "config.h"
 #include "dir.h"
 #include "pathspec.h"
 #include "attr.h"
@@ -17,6 +19,7 @@
  * to use find_pathspecs_matching_against_index() instead.
  */
 void add_pathspec_matches_against_index(const struct pathspec *pathspec,
+                                       const struct index_state *istate,
                                        char *seen)
 {
        int num_unmatched = 0, i;
@@ -32,8 +35,8 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
                        num_unmatched++;
        if (!num_unmatched)
                return;
-       for (i = 0; i < active_nr; i++) {
-               const struct cache_entry *ce = active_cache[i];
+       for (i = 0; i < istate->cache_nr; i++) {
+               const struct cache_entry *ce = istate->cache[i];
                ce_path_match(ce, pathspec, seen);
        }
 }
@@ -46,10 +49,11 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec,
  * nature of the "closest" (i.e. most specific) matches which each of the
  * given pathspecs achieves against all items in the index.
  */
-char *find_pathspecs_matching_against_index(const struct pathspec *pathspec)
+char *find_pathspecs_matching_against_index(const struct pathspec *pathspec,
+                                           const struct index_state *istate)
 {
        char *seen = xcalloc(pathspec->nr, 1);
-       add_pathspec_matches_against_index(pathspec, seen);
+       add_pathspec_matches_against_index(pathspec, istate, seen);
        return seen;
 }
 
@@ -386,65 +390,6 @@ static const char *parse_element_magic(unsigned *magic, int *prefix_len,
                return parse_short_magic(magic, elem);
 }
 
-static void strip_submodule_slash_cheap(struct pathspec_item *item)
-{
-       if (item->len >= 1 && item->match[item->len - 1] == '/') {
-               int i = cache_name_pos(item->match, item->len - 1);
-
-               if (i >= 0 && S_ISGITLINK(active_cache[i]->ce_mode)) {
-                       item->len--;
-                       item->match[item->len] = '\0';
-               }
-       }
-}
-
-static void strip_submodule_slash_expensive(struct pathspec_item *item)
-{
-       int i;
-
-       for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
-               int ce_len = ce_namelen(ce);
-
-               if (!S_ISGITLINK(ce->ce_mode))
-                       continue;
-
-               if (item->len <= ce_len || item->match[ce_len] != '/' ||
-                   memcmp(ce->name, item->match, ce_len))
-                       continue;
-
-               if (item->len == ce_len + 1) {
-                       /* strip trailing slash */
-                       item->len--;
-                       item->match[item->len] = '\0';
-               } else {
-                       die(_("Pathspec '%s' is in submodule '%.*s'"),
-                           item->original, ce_len, ce->name);
-               }
-       }
-}
-
-static void die_inside_submodule_path(struct pathspec_item *item)
-{
-       int i;
-
-       for (i = 0; i < active_nr; i++) {
-               struct cache_entry *ce = active_cache[i];
-               int ce_len = ce_namelen(ce);
-
-               if (!S_ISGITLINK(ce->ce_mode))
-                       continue;
-
-               if (item->len < ce_len ||
-                   !(item->match[ce_len] == '/' || item->match[ce_len] == '\0') ||
-                   memcmp(ce->name, item->match, ce_len))
-                       continue;
-
-               die(_("Pathspec '%s' is in submodule '%.*s'"),
-                   item->original, ce_len, ce->name);
-       }
-}
-
 /*
  * Perform the initialization of a pathspec_item based on a pathspec element.
  */
@@ -517,12 +462,6 @@ static void init_pathspec_item(struct pathspec_item *item, unsigned flags,
                item->original = xstrdup(elt);
        }
 
-       if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP)
-               strip_submodule_slash_cheap(item);
-
-       if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE)
-               strip_submodule_slash_expensive(item);
-
        if (magic & PATHSPEC_LITERAL) {
                item->nowildcard_len = item->len;
        } else {
@@ -547,15 +486,7 @@ static void init_pathspec_item(struct pathspec_item *item, unsigned flags,
        /* sanity checks, pathspec matchers assume these are sane */
        if (item->nowildcard_len > item->len ||
            item->prefix         > item->len) {
-               /*
-                * This case can be triggered by the user pointing us to a
-                * pathspec inside a submodule, which is an input error.
-                * Detect that here and complain, but fallback in the
-                * non-submodule case to a BUG, as we have no idea what
-                * would trigger that.
-                */
-               die_inside_submodule_path(item);
-               die ("BUG: item->nowildcard_len > item->len || item->prefix > item->len)");
+               die ("BUG: error initializing pathspec_item");
        }
 }
 
@@ -675,7 +606,7 @@ void parse_pathspec(struct pathspec *pathspec,
 
        /*
         * If everything is an exclude pattern, add one positive pattern
-        * that matches everyting. We allocated an extra one for this.
+        * that matches everything. We allocated an extra one for this.
         */
        if (nr_exclude == n) {
                int plen = (!(flags & PATHSPEC_PREFER_CWD)) ? 0 : prefixlen;
@@ -732,7 +663,6 @@ void clear_pathspec(struct pathspec *pathspec)
                        attr_check_free(pathspec->items[i].attr_check);
        }
 
-       free(pathspec->items);
-       pathspec->items = NULL;
+       FREE_AND_NULL(pathspec->items);
        pathspec->nr = 0;
 }