pack-objects: rename 'this' variables

diff --git a/sha1_file.c b/sha1_file.c
index afe4b90f6ee0e6c00af3e57c7c92ac5245bd1792..2288bb75cd75c5c366ea86fbd35896cc306a59ee 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -39,6 +39,64 @@ const struct object_id empty_blob_oid = {
        EMPTY_BLOB_SHA1_BIN_LITERAL
 };
 
+static void git_hash_sha1_init(void *ctx)
+{
+       git_SHA1_Init((git_SHA_CTX *)ctx);
+}
+
+static void git_hash_sha1_update(void *ctx, const void *data, size_t len)
+{
+       git_SHA1_Update((git_SHA_CTX *)ctx, data, len);
+}
+
+static void git_hash_sha1_final(unsigned char *hash, void *ctx)
+{
+       git_SHA1_Final(hash, (git_SHA_CTX *)ctx);
+}
+
+static void git_hash_unknown_init(void *ctx)
+{
+       die("trying to init unknown hash");
+}
+
+static void git_hash_unknown_update(void *ctx, const void *data, size_t len)
+{
+       die("trying to update unknown hash");
+}
+
+static void git_hash_unknown_final(unsigned char *hash, void *ctx)
+{
+       die("trying to finalize unknown hash");
+}
+
+const struct git_hash_algo hash_algos[GIT_HASH_NALGOS] = {
+       {
+               NULL,
+               0x00000000,
+               0,
+               0,
+               0,
+               git_hash_unknown_init,
+               git_hash_unknown_update,
+               git_hash_unknown_final,
+               NULL,
+               NULL,
+       },
+       {
+               "sha-1",
+               /* "sha1", big-endian */
+               0x73686131,
+               sizeof(git_SHA_CTX),
+               GIT_SHA1_RAWSZ,
+               GIT_SHA1_HEXSZ,
+               git_hash_sha1_init,
+               git_hash_sha1_update,
+               git_hash_sha1_final,
+               &empty_tree_oid,
+               &empty_blob_oid,
+       },
+};
+
 /*
  * This is meant to hold a *small* number of objects that you would
  * want read_sha1_file() to be able to return, but yet you do not want
@@ -747,7 +805,7 @@ int check_sha1_signature(const unsigned char *sha1, void *map,
                return -1;
 
        /* Generate the header */
-       hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(obj_type), size) + 1;
+       hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", type_name(obj_type), size) + 1;
 
        /* Sha1.. */
        git_SHA1_Init(&c);
@@ -1029,8 +1087,8 @@ static int parse_sha1_header_extended(const char *hdr, struct object_info *oi,
        }
 
        type = type_from_string_gently(type_buf, type_len, 1);
-       if (oi->typename)
-               strbuf_add(oi->typename, type_buf, type_len);
+       if (oi->type_name)
+               strbuf_add(oi->type_name, type_buf, type_len);
        /*
         * Set type to 0 if its an unknown object and
         * we're obtaining the type using '--allow-unknown-type'
@@ -1100,7 +1158,7 @@ static int sha1_loose_object_info(const unsigned char *sha1,
         * return value implicitly indicates whether the
         * object even exists.
         */
-       if (!oi->typep && !oi->typename && !oi->sizep && !oi->contentp) {
+       if (!oi->typep && !oi->type_name && !oi->sizep && !oi->contentp) {
                const char *path;
                struct stat st;
                if (stat_sha1_file(sha1, &st, &path) < 0)
@@ -1181,8 +1239,8 @@ int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi,
                                *(oi->disk_sizep) = 0;
                        if (oi->delta_base_sha1)
                                hashclr(oi->delta_base_sha1);
-                       if (oi->typename)
-                               strbuf_addstr(oi->typename, typename(co->type));
+                       if (oi->type_name)
+                               strbuf_addstr(oi->type_name, type_name(co->type));
                        if (oi->contentp)
                                *oi->contentp = xmemdupz(co->buf, co->size);
                        oi->whence = OI_CACHED;
@@ -1259,7 +1317,7 @@ int pretend_sha1_file(void *buf, unsigned long len, enum object_type type,
 {
        struct cached_object *co;
 
-       hash_sha1_file(buf, len, typename(type), sha1);
+       hash_sha1_file(buf, len, type_name(type), sha1);
        if (has_sha1_file(sha1) || find_cached_object(sha1))
                return 0;
        ALLOC_GROW(cached_objects, cached_object_nr + 1, cached_object_alloc);
@@ -1625,7 +1683,7 @@ int force_object_loose(const unsigned char *sha1, time_t mtime)
        buf = read_object(sha1, &type, &len);
        if (!buf)
                return error("cannot read sha1_file for %s", sha1_to_hex(sha1));
-       hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", typename(type), len) + 1;
+       hdrlen = xsnprintf(hdr, sizeof(hdr), "%s %lu", type_name(type), len) + 1;
        ret = write_loose_object(sha1, hdr, hdrlen, buf, len, mtime);
        free(buf);
 
@@ -1709,9 +1767,9 @@ static int index_mem(struct object_id *oid, void *buf, size_t size,
        }
 
        if (write_object)
-               ret = write_sha1_file(buf, size, typename(type), oid->hash);
+               ret = write_sha1_file(buf, size, type_name(type), oid->hash);
        else
-               ret = hash_sha1_file(buf, size, typename(type), oid->hash);
+               ret = hash_sha1_file(buf, size, type_name(type), oid->hash);
        if (re_allocated)
                free(buf);
        return ret;
@@ -1731,10 +1789,10 @@ static int index_stream_convert_blob(struct object_id *oid, int fd,
                                 get_safe_crlf(flags));
 
        if (write_object)
-               ret = write_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
+               ret = write_sha1_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
                                      oid->hash);
        else
-               ret = hash_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
+               ret = hash_sha1_file(sbuf.buf, sbuf.len, type_name(OBJ_BLOB),
                                     oid->hash);
        strbuf_release(&sbuf);
        return ret;
@@ -1884,7 +1942,7 @@ void assert_sha1_type(const unsigned char *sha1, enum object_type expect)
                die("%s is not a valid object", sha1_to_hex(sha1));
        if (type != expect)
                die("%s is not a valid '%s' object", sha1_to_hex(sha1),
-                   typename(expect));
+                   type_name(expect));
 }
 
 int for_each_file_in_obj_subdir(unsigned int subdir_nr,
@@ -1906,7 +1964,6 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
        origlen = path->len;
        strbuf_complete(path, '/');
        strbuf_addf(path, "%02x", subdir_nr);
-       baselen = path->len;
 
        dir = opendir(path->buf);
        if (!dir) {
@@ -1917,15 +1974,18 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
        }
 
        oid.hash[0] = subdir_nr;
+       strbuf_addch(path, '/');
+       baselen = path->len;
 
        while ((de = readdir(dir))) {
+               size_t namelen;
                if (is_dot_or_dotdot(de->d_name))
                        continue;
 
+               namelen = strlen(de->d_name);
                strbuf_setlen(path, baselen);
-               strbuf_addf(path, "/%s", de->d_name);
-
-               if (strlen(de->d_name) == GIT_SHA1_HEXSZ - 2 &&
+               strbuf_add(path, de->d_name, namelen);
+               if (namelen == GIT_SHA1_HEXSZ - 2 &&
                    !hex_to_bytes(oid.hash + 1, de->d_name,
                                  GIT_SHA1_RAWSZ - 1)) {
                        if (obj_cb) {
@@ -1944,7 +2004,7 @@ int for_each_file_in_obj_subdir(unsigned int subdir_nr,
        }
        closedir(dir);
 
-       strbuf_setlen(path, baselen);
+       strbuf_setlen(path, baselen - 1);
        if (!r && subdir_cb)
                r = subdir_cb(subdir_nr, path->buf, data);
 
@@ -2127,7 +2187,7 @@ int read_loose_object(const char *path,
                        goto out;
                }
                if (check_sha1_signature(expected_sha1, *contents,
-                                        *size, typename(*type))) {
+                                        *size, type_name(*type))) {
                        error("sha1 mismatch for %s (expected %s)", path,
                              sha1_to_hex(expected_sha1));
                        free(*contents);