change ent to tree in git-diff documentation

diff --git a/sha1_file.c b/sha1_file.c
index b4ff233bad3c15692610f93549b25cd0cf042392..bc3580844023c9ae0f833ea5799c05887e1d88aa 100644 (file)
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -343,7 +343,7 @@ static void read_info_alternates(const char * relative_base, int depth)
 
 void prepare_alt_odb(void)
 {
-       char *alt;
+       const char *alt;
 
        alt = getenv(ALTERNATE_DB_ENVIRONMENT);
        if (!alt) alt = "";
@@ -486,8 +486,9 @@ int use_packed_git(struct packed_git *p)
                 * this is cheap.
                 */
                if (memcmp((char*)(p->index_base) + p->index_size - 40,
-                          p->pack_base + p->pack_size - 20, 20)) {
-                             
+                          (char *) p->pack_base + p->pack_size - 20,
+                          20)) {
+
                        die("packfile %s does not match index.", p->pack_name);
                }
        }
@@ -701,7 +702,7 @@ static void *unpack_sha1_rest(z_stream *stream, void *buffer, unsigned long size
        int bytes = strlen(buffer) + 1;
        unsigned char *buf = xmalloc(1+size);
 
-       memcpy(buf, buffer + bytes, stream->total_out - bytes);
+       memcpy(buf, (char *) buffer + bytes, stream->total_out - bytes);
        bytes = stream->total_out - bytes;
        if (bytes < size) {
                stream->next_out = buf + bytes;
@@ -853,7 +854,7 @@ static unsigned long unpack_object_header(struct packed_git *p, unsigned long of
        if (offset >= p->pack_size)
                die("object offset outside of pack file");
 
-       pack =  p->pack_base + offset;
+       pack =  (unsigned char *) p->pack_base + offset;
        c = *pack++;
        offset++;
        *type = (c >> 4) & 7;
@@ -883,7 +884,7 @@ int check_reuse_pack_delta(struct packed_git *p, unsigned long offset,
        ptr = unpack_object_header(p, ptr, kindp, sizep);
        if (*kindp != OBJ_DELTA)
                goto done;
-       memcpy(base, p->pack_base + ptr, 20);
+       memcpy(base, (char *) p->pack_base + ptr, 20);
        status = 0;
  done:
        unuse_packed_git(p);
@@ -903,7 +904,7 @@ void packed_object_info_detail(struct pack_entry *e,
        enum object_type kind;
 
        offset = unpack_object_header(p, e->offset, &kind, size);
-       pack = p->pack_base + offset;
+       pack = (unsigned char *) p->pack_base + offset;
        if (kind != OBJ_DELTA)
                *delta_chain_length = 0;
        else {
@@ -919,7 +920,7 @@ void packed_object_info_detail(struct pack_entry *e,
                        find_pack_entry_one(pack, &base_ent, p);
                        offset = unpack_object_header(p, base_ent.offset,
                                                      &kind, &junk);
-                       pack = p->pack_base + offset;
+                       pack = (unsigned char *) p->pack_base + offset;
                        chain_length++;
                } while (kind == OBJ_DELTA);
                *delta_chain_length = chain_length;
@@ -957,7 +958,7 @@ static int packed_object_info(struct pack_entry *entry,
                die("cannot map packed file");
 
        offset = unpack_object_header(p, entry->offset, &kind, &size);
-       pack = p->pack_base + offset;
+       pack = (unsigned char *) p->pack_base + offset;
        left = p->pack_size - offset;
 
        switch (kind) {
@@ -1096,7 +1097,7 @@ void *unpack_entry_gently(struct pack_entry *entry,
        void *retval;
 
        offset = unpack_object_header(p, entry->offset, &kind, &size);
-       pack = p->pack_base + offset;
+       pack = (unsigned char *) p->pack_base + offset;
        left = p->pack_size - offset;
        switch (kind) {
        case OBJ_DELTA:
@@ -1134,7 +1135,7 @@ int nth_packed_object_sha1(const struct packed_git *p, int n,
        void *index = p->index_base + 256;
        if (n < 0 || num_packed_objects(p) <= n)
                return -1;
-       memcpy(sha1, (index + 24 * n + 4), 20);
+       memcpy(sha1, (char *) index + (24 * n) + 4, 20);
        return 0;
 }
 
@@ -1148,9 +1149,9 @@ int find_pack_entry_one(const unsigned char *sha1,
 
        do {
                int mi = (lo + hi) / 2;
-               int cmp = memcmp(index + 24 * mi + 4, sha1, 20);
+               int cmp = memcmp((char *) index + (24 * mi) + 4, sha1, 20);
                if (!cmp) {
-                       e->offset = ntohl(*((unsigned int *)(index + 24 * mi)));
+                       e->offset = ntohl(*((unsigned int *) ((char *) index + (24 * mi))));
                        memcpy(e->sha1, sha1, 20);
                        e->p = p;
                        return 1;
@@ -1290,7 +1291,7 @@ void *read_object_with_reference(const unsigned char *sha1,
                ref_length = strlen(ref_type);
 
                if (memcmp(buffer, ref_type, ref_length) ||
-                   get_sha1_hex(buffer + ref_length, actual_sha1)) {
+                   get_sha1_hex((char *) buffer + ref_length, actual_sha1)) {
                        free(buffer);
                        return NULL;
                }
@@ -1408,7 +1409,7 @@ static int write_buffer(int fd, const void *buf, size_t len)
                        return error("file write error (%s)", strerror(errno));
                }
                len -= size;
-               buf += size;
+               buf = (char *) buf + size;
        }
        return 0;
 }
@@ -1457,7 +1458,7 @@ int write_sha1_file(void *buf, unsigned long len, const char *type, unsigned cha
 
        /* Set it up */
        memset(&stream, 0, sizeof(stream));
-       deflateInit(&stream, Z_BEST_COMPRESSION);
+       deflateInit(&stream, zlib_compression_level);
        size = deflateBound(&stream, len+hdrlen);
        compressed = xmalloc(size);
 
@@ -1510,7 +1511,7 @@ static void *repack_object(const unsigned char *sha1, unsigned long *objsize)
 
        /* Set it up */
        memset(&stream, 0, sizeof(stream));
-       deflateInit(&stream, Z_BEST_COMPRESSION);
+       deflateInit(&stream, zlib_compression_level);
        size = deflateBound(&stream, len + hdrlen);
        buf = xmalloc(size);