Merge branch 'pe/cleanup'

* pe/cleanup:
  Replace xmalloc+memset(0) with xcalloc.
  Use blob_, commit_, tag_, and tree_type throughout.

apply.c

@@ -9,6 +9,7 @@
 #include <fnmatch.h>
 #include "cache.h"
 #include "quote.h"
+#include "blob.h"
 
 //  --check turns on checking that the working tree matches the
 //    files that are being modified, but doesn't apply the patch
@@ -924,8 +925,7 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc
 		struct fragment *fragment;
 		int len;
 
-		fragment = xmalloc(sizeof(*fragment));
-		memset(fragment, 0, sizeof(*fragment));
+		fragment = xcalloc(1, sizeof(*fragment));
 		len = parse_fragment(line, size, patch, fragment);
 		if (len <= 0)
 			die("corrupt patch at line %d", linenr);
@@ -1296,7 +1296,7 @@ static int apply_fragments(struct buffer_desc *desc, struct patch *patch)
 			 * applies to.
 			 */
 			write_sha1_file_prepare(desc->buffer, desc->size,
-						"blob", sha1, hdr, &hdrlen);
+						blob_type, sha1, hdr, &hdrlen);
 			if (strcmp(sha1_to_hex(sha1), patch->old_sha1_prefix))
 				return error("the patch applies to '%s' (%s), "
 					     "which does not match the "
@@ -1651,15 +1651,14 @@ static void add_index_file(const char *path, unsigned mode, void *buf, unsigned
 	if (!write_index)
 		return;
 
-	ce = xmalloc(ce_size);
-	memset(ce, 0, ce_size);
+	ce = xcalloc(1, ce_size);
 	memcpy(ce->name, path, namelen);
 	ce->ce_mode = create_ce_mode(mode);
 	ce->ce_flags = htons(namelen);
 	if (lstat(path, &st) < 0)
 		die("unable to stat newly created file %s", path);
 	fill_stat_cache_info(ce, &st);
-	if (write_sha1_file(buf, size, "blob", ce->sha1) < 0)
+	if (write_sha1_file(buf, size, blob_type, ce->sha1) < 0)
 		die("unable to create backing store for newly created file %s", path);
 	if (add_cache_entry(ce, ADD_CACHE_OK_TO_ADD) < 0)
 		die("unable to add cache entry for %s", path);
@@ -1808,8 +1807,7 @@ static int apply_patch(int fd, const char *filename)
 		struct patch *patch;
 		int nr;
 
-		patch = xmalloc(sizeof(*patch));
-		memset(patch, 0, sizeof(*patch));
+		patch = xcalloc(1, sizeof(*patch));
 		nr = parse_chunk(buffer + offset, size, patch);
 		if (nr < 0)
 			break;

blame.c

@@ -229,7 +229,7 @@ static void get_blob(struct commit *commit)
 
 	info->buf = read_sha1_file(info->sha1, type, &info->size);
 
-	assert(!strcmp(type, "blob"));
+	assert(!strcmp(type, blob_type));
 }
 
 /* For debugging only */

blob.c

@@ -8,8 +8,7 @@ struct blob *lookup_blob(const unsigned char *sha1)
 {
 	struct object *obj = lookup_object(sha1);
 	if (!obj) {
-		struct blob *ret = xmalloc(sizeof(struct blob));
-		memset(ret, 0, sizeof(struct blob));
+		struct blob *ret = xcalloc(1, sizeof(struct blob));
 		created_object(sha1, &ret->object);
 		ret->object.type = blob_type;
 		return ret;

cat-file.c

@@ -5,6 +5,8 @@
  */
 #include "cache.h"
 #include "exec_cmd.h"
+#include "tag.h"
+#include "tree.h"
 
 static void flush_buffer(const char *buf, unsigned long size)
 {
@@ -136,13 +138,13 @@ int main(int argc, char **argv)
 			die("Not a valid object name %s", argv[2]);
 
 		/* custom pretty-print here */
-		if (!strcmp(type, "tree"))
+		if (!strcmp(type, tree_type))
 			return execl_git_cmd("ls-tree", argv[2], NULL);
 
 		buf = read_sha1_file(sha1, type, &size);
 		if (!buf)
 			die("Cannot read object %s", argv[2]);
-		if (!strcmp(type, "tag"))
+		if (!strcmp(type, tag_type))
 			return pprint_tag(sha1, buf, size);
 
 		/* otherwise just spit out the data */

combine-diff.c

@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "commit.h"
+#include "blob.h"
 #include "diff.h"
 #include "diffcore.h"
 #include "quote.h"
@@ -104,7 +105,7 @@ static char *grab_blob(const unsigned char *sha1, unsigned long *size)
 		return xcalloc(1, 1);
 	}
 	blob = read_sha1_file(sha1, type, size);
-	if (strcmp(type, "blob"))
+	if (strcmp(type, blob_type))
 		die("object '%s' is not a blob!", sha1_to_hex(sha1));
 	return blob;
 }

commit-tree.c

@@ -4,6 +4,8 @@
  * Copyright (C) Linus Torvalds, 2005
  */
 #include "cache.h"
+#include "commit.h"
+#include "tree.h"
 
 #define BLOCKING (1ul << 14)
 
@@ -93,13 +95,13 @@ int main(int argc, char **argv)
 	if (argc < 2 || get_sha1_hex(argv[1], tree_sha1) < 0)
 		usage(commit_tree_usage);
 
-	check_valid(tree_sha1, "tree");
+	check_valid(tree_sha1, tree_type);
 	for (i = 2; i < argc; i += 2) {
 		char *a, *b;
 		a = argv[i]; b = argv[i+1];
 		if (!b || strcmp(a, "-p") || get_sha1(b, parent_sha1[parents]))
 			usage(commit_tree_usage);
-		check_valid(parent_sha1[parents], "commit");
+		check_valid(parent_sha1[parents], commit_type);
 		if (new_parent(parents))
 			parents++;
 	}
@@ -125,7 +127,7 @@ int main(int argc, char **argv)
 	while (fgets(comment, sizeof(comment), stdin) != NULL)
 		add_buffer(&buffer, &size, "%s", comment);
 
-	if (!write_sha1_file(buffer, size, "commit", commit_sha1)) {
+	if (!write_sha1_file(buffer, size, commit_type, commit_sha1)) {
 		printf("%s\n", sha1_to_hex(commit_sha1));
 		return 0;
 	}

commit.c

@@ -73,8 +73,7 @@ struct commit *lookup_commit(const unsigned char *sha1)
 {
 	struct object *obj = lookup_object(sha1);
 	if (!obj) {
-		struct commit *ret = xmalloc(sizeof(struct commit));
-		memset(ret, 0, sizeof(struct commit));
+		struct commit *ret = xcalloc(1, sizeof(struct commit));
 		created_object(sha1, &ret->object);
 		ret->object.type = commit_type;
 		return ret;

convert-objects.c

@@ -2,6 +2,9 @@
 #define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
 #include <time.h>
 #include "cache.h"
+#include "blob.h"
+#include "commit.h"
+#include "tree.h"
 
 struct entry {
 	unsigned char old_sha1[20];
@@ -18,8 +21,7 @@ static struct entry * convert_entry(unsigned char *sha1);
 
 static struct entry *insert_new(unsigned char *sha1, int pos)
 {
-	struct entry *new = xmalloc(sizeof(struct entry));
-	memset(new, 0, sizeof(*new));
+	struct entry *new = xcalloc(1, sizeof(struct entry));
 	memcpy(new->old_sha1, sha1, 20);
 	memmove(convert + pos + 1, convert + pos, (nr_convert - pos) * sizeof(struct entry *));
 	convert[pos] = new;
@@ -122,7 +124,7 @@ static int write_subdirectory(void *buffer, unsigned long size, const char *base
 		buffer += len;
 	}
 
-	write_sha1_file(new, newlen, "tree", result_sha1);
+	write_sha1_file(new, newlen, tree_type, result_sha1);
 	free(new);
 	return used;
 }
@@ -262,8 +264,8 @@ static void convert_date(void *buffer, unsigned long size, unsigned char *result
 	memcpy(new + newlen, buffer, size);
 	newlen += size;
 
-	write_sha1_file(new, newlen, "commit", result_sha1);
-	free(new);	
+	write_sha1_file(new, newlen, commit_type, result_sha1);
+	free(new);
 }
 
 static void convert_commit(void *buffer, unsigned long size, unsigned char *result_sha1)
@@ -297,12 +299,12 @@ static struct entry * convert_entry(unsigned char *sha1)
 
 	buffer = xmalloc(size);
 	memcpy(buffer, data, size);
-	
-	if (!strcmp(type, "blob")) {
-		write_sha1_file(buffer, size, "blob", entry->new_sha1);
-	} else if (!strcmp(type, "tree"))
+
+	if (!strcmp(type, blob_type)) {
+		write_sha1_file(buffer, size, blob_type, entry->new_sha1);
+	} else if (!strcmp(type, tree_type))
 		convert_tree(buffer, size, entry->new_sha1);
-	else if (!strcmp(type, "commit"))
+	else if (!strcmp(type, commit_type))
 		convert_commit(buffer, size, entry->new_sha1);
 	else
 		die("unknown object type '%s' in %s", type, sha1_to_hex(sha1));

diff-tree.c

@@ -52,7 +52,7 @@ static int diff_root_tree(const unsigned char *new, const char *base)
 	void *tree;
 	struct tree_desc empty, real;
 
-	tree = read_object_with_reference(new, "tree", &real.size, NULL);
+	tree = read_object_with_reference(new, tree_type, &real.size, NULL);
 	if (!tree)
 		die("unable to read root tree (%s)", sha1_to_hex(new));
 	real.buf = tree;

entry.c

@@ -1,6 +1,7 @@
 #include <sys/types.h>
 #include <dirent.h>
 #include "cache.h"
+#include "blob.h"
 
 static void create_directories(const char *path, struct checkout *state)
 {
@@ -72,7 +73,7 @@ static int write_entry(struct cache_entry *ce, char *path, struct checkout *stat
 	char type[20];
 
 	new = read_sha1_file(ce->sha1, type, &size);
-	if (!new || strcmp(type, "blob")) {
+	if (!new || strcmp(type, blob_type)) {
 		if (new)
 			free(new);
 		return error("git-checkout-index: unable to read sha1 file of %s (%s)",

hash-object.c

@@ -2,9 +2,10 @@
  * GIT - The information manager from hell
  *
  * Copyright (C) Linus Torvalds, 2005
- * Copyright (C) Junio C Hamano, 2005 
+ * Copyright (C) Junio C Hamano, 2005
  */
 #include "cache.h"
+#include "blob.h"
 
 static void hash_object(const char *path, const char *type, int write_object)
 {
@@ -35,7 +36,7 @@ static const char hash_object_usage[] =
 int main(int argc, char **argv)
 {
 	int i;
-	const char *type = "blob";
+	const char *type = blob_type;
 	int write_object = 0;
 	const char *prefix = NULL;
 	int prefix_length = -1;

http-push.c

@@ -1008,8 +1008,7 @@ static int fetch_indices(void)
 	struct active_request_slot *slot;
 	struct slot_results results;
 
-	data = xmalloc(4096);
-	memset(data, 0, 4096);
+	data = xcalloc(1, 4096);
 	buffer.size = 4096;
 	buffer.posn = 0;
 	buffer.buffer = data;
@@ -2042,8 +2041,7 @@ static void update_remote_info_refs(struct remote_lock *lock)
 	char *if_header;
 	struct curl_slist *dav_headers = NULL;
 
-	buffer.buffer = xmalloc(4096);
-	memset(buffer.buffer, 0, 4096);
+	buffer.buffer = xcalloc(1, 4096);
 	buffer.size = 4096;
 	buffer.posn = 0;
 	remote_ls("refs/", (PROCESS_FILES | RECURSIVE),

index-pack.c

@@ -2,6 +2,10 @@
 #include "delta.h"
 #include "pack.h"
 #include "csum-file.h"
+#include "blob.h"
+#include "commit.h"
+#include "tag.h"
+#include "tree.h"
 
 static const char index_pack_usage[] =
 "git-index-pack [-o index-file] pack-file";
@@ -224,10 +228,10 @@ static void sha1_object(const void *data, unsigned long size,
 	const char *type_str;
 
 	switch (type) {
-	case OBJ_COMMIT: type_str = "commit"; break;
-	case OBJ_TREE:   type_str = "tree"; break;
-	case OBJ_BLOB:   type_str = "blob"; break;
-	case OBJ_TAG:    type_str = "tag"; break;
+	case OBJ_COMMIT: type_str = commit_type; break;
+	case OBJ_TREE:   type_str = tree_type; break;
+	case OBJ_BLOB:   type_str = blob_type; break;
+	case OBJ_TAG:    type_str = tag_type; break;
 	default:
 		die("bad type %d", type);
 	}

ls-tree.c

@@ -56,15 +56,15 @@ static int show_tree(unsigned char *sha1, const char *base, int baselen,
 		     const char *pathname, unsigned mode, int stage)
 {
 	int retval = 0;
-	const char *type = "blob";
+	const char *type = blob_type;
 
 	if (S_ISDIR(mode)) {
 		if (show_recursive(base, baselen, pathname)) {
 			retval = READ_TREE_RECURSIVE;
 			if (!(ls_options & LS_SHOW_TREES))
 				return retval;
 		}
-		type = "tree";
+		type = tree_type;
 	}
 	else if (ls_options & LS_TREE_ONLY)
 		return 0;

mktag.c

@@ -1,4 +1,5 @@
 #include "cache.h"
+#include "tag.h"
 
 /*
  * A signature file has a very simple fixed format: three lines
@@ -126,7 +127,7 @@ int main(int argc, char **argv)
 	if (verify_tag(buffer, size) < 0)
 		die("invalid tag signature file");
 
-	if (write_sha1_file(buffer, size, "tag", result_sha1) < 0)
+	if (write_sha1_file(buffer, size, tag_type, result_sha1) < 0)
 		die("unable to write tag file");
 	printf("%s\n", sha1_to_hex(result_sha1));
 	return 0;

mktree.c

@@ -6,6 +6,7 @@
 #include "cache.h"
 #include "strbuf.h"
 #include "quote.h"
+#include "tree.h"
 
 static struct treeent {
 	unsigned mode;
@@ -67,7 +68,7 @@ static void write_tree(unsigned char *sha1)
 		memcpy(buffer + offset, ent->sha1, 20);
 		offset += 20;
 	}
-	write_sha1_file(buffer, offset, "tree", sha1);
+	write_sha1_file(buffer, offset, tree_type, sha1);
 }
 
 static const char mktree_usage[] = "mktree [-z]";