Merge branch 'lf/read-blob-data-from-index'

Reduce duplicated code between convert.c and attr.c.

* lf/read-blob-data-from-index:
convert.c: remove duplicate code
read_blob_data_from_index(): optionally return the size of blob data
attr.c: extract read_index_data() as read_blob_data_from_index()

diff --git a/attr.c b/attr.c
index 689bc2a8961fac72a01e615764af53f49d01c3ec..0e774c6f22f9fd6c7e27490e5bed5be1f9f10de5 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -381,46 +381,13 @@ static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
        return res;
 }
 
-static void *read_index_data(const char *path)
-{
-       int pos, len;
-       unsigned long sz;
-       enum object_type type;
-       void *data;
-       struct index_state *istate = use_index ? use_index : &the_index;
-
-       len = strlen(path);
-       pos = index_name_pos(istate, path, len);
-       if (pos < 0) {
-               /*
-                * We might be in the middle of a merge, in which
-                * case we would read stage #2 (ours).
-                */
-               int i;
-               for (i = -pos - 1;
-                    (pos < 0 && i < istate->cache_nr &&
-                     !strcmp(istate->cache[i]->name, path));
-                    i++)
-                       if (ce_stage(istate->cache[i]) == 2)
-                               pos = i;
-       }
-       if (pos < 0)
-               return NULL;
-       data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
-       if (!data || type != OBJ_BLOB) {
-               free(data);
-               return NULL;
-       }
-       return data;
-}
-
 static struct attr_stack *read_attr_from_index(const char *path, int macro_ok)
 {
        struct attr_stack *res;
        char *buf, *sp;
        int lineno = 0;
 
-       buf = read_index_data(path);
+       buf = read_blob_data_from_index(use_index ? use_index : &the_index, path, NULL);
        if (!buf)
                return NULL;
 

diff --git a/cache.h b/cache.h
index ba5a47c480c4f6a69aaf8ffc5f302af9ee3ab5a0..94ca1acf704bd2dfdc561b6b2d3d64740b975f61 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -311,6 +311,7 @@ extern void free_name_hash(struct index_state *istate);
 #define resolve_undo_clear() resolve_undo_clear_index(&the_index)
 #define unmerge_cache_entry_at(at) unmerge_index_entry_at(&the_index, at)
 #define unmerge_cache(pathspec) unmerge_index(&the_index, pathspec)
+#define read_blob_data_from_cache(path, sz) read_blob_data_from_index(&the_index, (path), (sz))
 #endif
 
 enum object_type {
@@ -471,6 +472,7 @@ extern int add_file_to_index(struct index_state *, const char *path, int flags);
 extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh);
 extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
 extern int index_name_is_other(const struct index_state *, const char *, int);
+extern void *read_blob_data_from_index(struct index_state *, const char *, unsigned long *);
 
 /* do stat comparison even if CE_VALID is true */
 #define CE_MATCH_IGNORE_VALID          01

diff --git a/convert.c b/convert.c
index 3520252d3abaf49d4b7682ad083da8b7ae6be4c6..2a2e46c2012de3af673b9d8d8647ec894f07b65a 100644 (file)
--- a/convert.c
+++ b/convert.c
@@ -153,36 +153,13 @@ static void check_safe_crlf(const char *path, enum crlf_action crlf_action,
 
 static int has_cr_in_index(const char *path)
 {
-       int pos, len;
        unsigned long sz;
-       enum object_type type;
        void *data;
        int has_cr;
-       struct index_state *istate = &the_index;
 
-       len = strlen(path);
-       pos = index_name_pos(istate, path, len);
-       if (pos < 0) {
-               /*
-                * We might be in the middle of a merge, in which
-                * case we would read stage #2 (ours).
-                */
-               int i;
-               for (i = -pos - 1;
-                    (pos < 0 && i < istate->cache_nr &&
-                     !strcmp(istate->cache[i]->name, path));
-                    i++)
-                       if (ce_stage(istate->cache[i]) == 2)
-                               pos = i;
-       }
-       if (pos < 0)
+       data = read_blob_data_from_cache(path, &sz);
+       if (!data)
                return 0;
-       data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
-       if (!data || type != OBJ_BLOB) {
-               free(data);
-               return 0;
-       }
-
        has_cr = memchr(data, '\r', sz) != NULL;
        free(data);
        return has_cr;

diff --git a/read-cache.c b/read-cache.c
index 5a9704f4e5b974a46bc5486373a26816c5b3b4bd..04ed561bfe7dd8fbf1988190f95eb1cc3530ff58 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -1899,3 +1899,37 @@ int index_name_is_other(const struct index_state *istate, const char *name,
        }
        return 1;
 }
+
+void *read_blob_data_from_index(struct index_state *istate, const char *path, unsigned long *size)
+{
+       int pos, len;
+       unsigned long sz;
+       enum object_type type;
+       void *data;
+
+       len = strlen(path);
+       pos = index_name_pos(istate, path, len);
+       if (pos < 0) {
+               /*
+                * We might be in the middle of a merge, in which
+                * case we would read stage #2 (ours).
+                */
+               int i;
+               for (i = -pos - 1;
+                    (pos < 0 && i < istate->cache_nr &&
+                     !strcmp(istate->cache[i]->name, path));
+                    i++)
+                       if (ce_stage(istate->cache[i]) == 2)
+                               pos = i;
+       }
+       if (pos < 0)
+               return NULL;
+       data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
+       if (!data || type != OBJ_BLOB) {
+               free(data);
+               return NULL;
+       }
+       if (size)
+               *size = sz;
+       return data;
+}