Merge refs/heads/master from .

19 files changed, 74 insertions, 38 deletions

diff --git a/Documentation/tutorial.txt b/Documentation/tutorial.txt
index 997e958259..866dbbe9b8 100644
--- a/Documentation/tutorial.txt
+++ b/Documentation/tutorial.txt
@@ -671,6 +671,7 @@ you have, you can say
 	git branch
 
 which is nothing more than a simple script around "ls .git/refs/heads".
+There will be asterisk in front of the branch you are currently on.
 
 Sometimes you may wish to create a new branch _without_ actually
 checking it out and switching to it. If so, just use the command
diff --git a/apply.c b/apply.c
index 3ebbf6b1dc..e87190ea38 100644
--- a/apply.c
+++ b/apply.c
@@ -1377,7 +1377,7 @@ static struct excludes {
 
 static int use_patch(struct patch *p)
 {
-	const char *pathname = p->new_name ? : p->old_name;
+	const char *pathname = p->new_name ? p->new_name : p->old_name;
 	struct excludes *x = excludes;
 	while (x) {
 		if (fnmatch(x->path, pathname, 0) == 0)
diff --git a/cache.h b/cache.h
index 1478631b40..d407f39001 100644
--- a/cache.h
+++ b/cache.h
@@ -58,7 +58,11 @@
  * We accept older names for now but warn.
  */
 extern char *gitenv_bc(const char *);
+#ifdef __GNUC__
 #define gitenv(e) (getenv(e) ? : gitenv_bc(e))
+#else
+#define gitenv(e) (getenv(e) ? getenv(e) : gitenv_bc(e))
+#endif
 
 /*
  * Basic data structures for the directory cache
@@ -100,7 +104,7 @@ struct cache_entry {
 	unsigned int ce_size;
 	unsigned char sha1[20];
 	unsigned short ce_flags;
-	char name[0];
+	char name[];
 };
 
 #define CE_NAMEMASK  (0x0fff)
@@ -283,7 +287,7 @@ extern int checkout_entry(struct cache_entry *ce, struct checkout *state);
 extern struct alternate_object_database {
 	struct alternate_object_database *next;
 	char *name;
-	char base[0]; /* more */
+	char base[]; /* more */
 } *alt_odb_list;
 extern void prepare_alt_odb(void);
 
@@ -296,7 +300,7 @@ extern struct packed_git {
 	unsigned int pack_last_used;
 	unsigned int pack_use_cnt;
 	unsigned char sha1[20];
-	char pack_name[0]; /* something like ".git/objects/pack/xxxxx.pack" */
+	char pack_name[]; /* something like ".git/objects/pack/xxxxx.pack" */
 } *packed_git;
 
 struct pack_entry {
@@ -311,7 +315,7 @@ struct ref {
 	unsigned char new_sha1[20];
 	unsigned char force;
 	struct ref *peer_ref; /* when renaming */
-	char name[0];
+	char name[];
 };
 
 extern int git_connect(int fd[2], char *url, const char *prog);
diff --git a/commit.c b/commit.c
index e51eda1524..56192587af 100644
--- a/commit.c
+++ b/commit.c
@@ -102,7 +102,7 @@ static unsigned long parse_commit_date(const char *buf)
 static struct commit_graft {
 	unsigned char sha1[20];
 	int nr_parent;
-	unsigned char parent[0][20]; /* more */
+	unsigned char parent[][20]; /* more */
 } **commit_graft;
 static int commit_graft_alloc, commit_graft_nr;
 
diff --git a/connect.c b/connect.c
index 7cd587357e..825c439acc 100644
--- a/connect.c
+++ b/connect.c
@@ -396,8 +396,10 @@ int git_connect(int fd[2], char *url, const char *prog)
 		close(pipefd[1][0]);
 		close(pipefd[1][1]);
 		if (protocol == PROTO_SSH) {
-			const char *ssh = getenv("GIT_SSH") ? : "ssh";
-			const char *ssh_basename = strrchr(ssh, '/');
+			const char *ssh, *ssh_basename;
+			ssh = getenv("GIT_SSH");
+			if (!ssh) ssh = "ssh";
+			ssh_basename = strrchr(ssh, '/');
 			if (!ssh_basename)
 				ssh_basename = ssh;
 			else
diff --git a/daemon.c b/daemon.c
index 932d908bad..fb3f25c486 100644
--- a/daemon.c
+++ b/daemon.c
@@ -3,6 +3,7 @@
 #include <signal.h>
 #include <sys/wait.h>
 #include <sys/socket.h>
+#include <sys/time.h>
 #include <netdb.h>
 #include <netinet/in.h>
 
diff --git a/diff.c b/diff.c
index 137d0d0c0c..9015c81d76 100644
--- a/diff.c
+++ b/diff.c
@@ -19,6 +19,7 @@ static const char *external_diff(void)
 {
 	static const char *external_diff_cmd = NULL;
 	static int done_preparing = 0;
+	const char *env_diff_opts;
 
 	if (done_preparing)
 		return external_diff_cmd;
@@ -31,11 +32,11 @@ static const char *external_diff(void)
 	 *
 	 * GIT_DIFF_OPTS="-c";
 	 */
-	if (gitenv("GIT_EXTERNAL_DIFF"))
-		external_diff_cmd = gitenv("GIT_EXTERNAL_DIFF");
+	external_diff_cmd = gitenv("GIT_EXTERNAL_DIFF");
 
 	/* In case external diff fails... */
-	diff_opts = gitenv("GIT_DIFF_OPTS") ? : diff_opts;
+	env_diff_opts = gitenv("GIT_DIFF_OPTS");
+	if (env_diff_opts) diff_opts = env_diff_opts;
 
 	done_preparing = 1;
 	return external_diff_cmd;
@@ -530,10 +531,12 @@ static void run_external_diff(const char *pgm,
 	pid_t pid;
 	int status;
 	static int atexit_asked = 0;
+	const char *othername;
 
+	othername = (other? other : name);
 	if (one && two) {
 		prepare_temp_file(name, &temp[0], one);
-		prepare_temp_file(other ? : name, &temp[1], two);
+		prepare_temp_file(othername, &temp[1], two);
 		if (! atexit_asked &&
 		    (temp[0].name == temp[0].tmp_path ||
 		     temp[1].name == temp[1].tmp_path)) {
@@ -574,7 +577,7 @@ static void run_external_diff(const char *pgm,
 		 * otherwise we use the built-in one.
 		 */
 		if (one && two)
-			builtin_diff(name, other ? : name, temp, xfrm_msg,
+			builtin_diff(name, othername, temp, xfrm_msg,
 				     complete_rewrite);
 		else
 			printf("* Unmerged path %s\n", name);
@@ -889,13 +892,13 @@ int diff_queue_is_empty(void)
 void diff_debug_filespec(struct diff_filespec *s, int x, const char *one)
 {
 	fprintf(stderr, "queue[%d] %s (%s) %s %06o %s\n",
-		x, one ? : "",
+		x, one ? one : "",
 		s->path,
 		DIFF_FILE_VALID(s) ? "valid" : "invalid",
 		s->mode,
 		s->sha1_valid ? sha1_to_hex(s->sha1) : "");
 	fprintf(stderr, "queue[%d] %s size %lu flags %d\n",
-		x, one ? : "",
+		x, one ? one : "",
 		s->size, s->xfrm_flags);
 }
 
@@ -904,7 +907,7 @@ void diff_debug_filepair(const struct diff_filepair *p, int i)
 	diff_debug_filespec(p->one, i, "one");
 	diff_debug_filespec(p->two, i, "two");
 	fprintf(stderr, "score %d, status %c stays %d broken %d\n",
-		p->score, p->status ? : '?',
+		p->score, p->status ? p->status : '?',
 		p->source_stays, p->broken_pair);
 }
 
diff --git a/fsck-cache.c b/fsck-cache.c
index 8091780193..e53d01a40f 100644
--- a/fsck-cache.c
+++ b/fsck-cache.c
@@ -390,7 +390,10 @@ static int fsck_head_link(void)
 	char hex[40];
 	unsigned char sha1[20];
 	static char path[PATH_MAX], link[PATH_MAX];
-	const char *git_dir = gitenv(GIT_DIR_ENVIRONMENT) ? : DEFAULT_GIT_DIR_ENVIRONMENT;
+	const char *git_dir;
+
+	git_dir = gitenv(GIT_DIR_ENVIRONMENT);
+	if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
 
 	snprintf(path, sizeof(path), "%s/HEAD", git_dir);
 	if (readlink(path, link, sizeof(link)) < 0)
@@ -451,7 +454,7 @@ int main(int argc, char **argv)
 	if (standalone && check_full)
 		die("Only one of --standalone or --full can be used.");
 	if (standalone)
-		unsetenv("GIT_ALTERNATE_OBJECT_DIRECTORIES");
+		putenv("GIT_ALTERNATE_OBJECT_DIRECTORIES=");
 
 	fsck_head_link();
 	fsck_object_dir(get_object_directory());
diff --git a/ident.c b/ident.c
index 9ef636ee87..0fe81f6900 100644
--- a/ident.c
+++ b/ident.c
@@ -58,14 +58,24 @@ static int add_raw(char *buf, int size, int offset, const char *str)
 
 static int crud(unsigned char c)
 {
-	static const char crud_array[256] = {
-		[0 ... 31] = 1,
-		[' '] = 1,
-		['.'] = 1, [','] = 1,
-		[':'] = 1, [';'] = 1,
-		['<'] = 1, ['>'] = 1,
-		['"'] = 1, ['\''] = 1,
-	};
+	static char crud_array[256];
+	static int crud_array_initialized = 0;
+
+	if (!crud_array_initialized) {
+		int k;
+
+		for (k = 0; k <= 31; ++k) crud_array[k] = 1;
+		crud_array[' '] = 1;
+		crud_array['.'] = 1;
+		crud_array[','] = 1;
+		crud_array[':'] = 1;
+		crud_array[';'] = 1;
+		crud_array['<'] = 1;
+		crud_array['>'] = 1;
+		crud_array['"'] = 1;
+		crud_array['\''] = 1;
+		crud_array_initialized = 1;
+	}
 	return crud_array[c];
 }
 
diff --git a/ls-files.c b/ls-files.c
index e53d245884..0d79104e0d 100644
--- a/ls-files.c
+++ b/ls-files.c
@@ -205,7 +205,7 @@ static int excluded(const char *pathname)
 
 struct nond_on_fs {
 	int len;
-	char name[0];
+	char name[];
 };
 
 static struct nond_on_fs **dir;
diff --git a/path.c b/path.c
index b85f087f43..142e575e5c 100644
--- a/path.c
+++ b/path.c
@@ -41,10 +41,12 @@ char *mkpath(const char *fmt, ...)
 
 char *git_path(const char *fmt, ...)
 {
-	const char *git_dir = gitenv(GIT_DIR_ENVIRONMENT) ? : DEFAULT_GIT_DIR_ENVIRONMENT;
+	const char *git_dir;
 	va_list args;
 	unsigned len;
 
+	git_dir = gitenv(GIT_DIR_ENVIRONMENT);
+	if (!git_dir) git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
 	len = strlen(git_dir);
 	if (len > PATH_MAX-100)
 		return bad_path;
diff --git a/pull.c b/pull.c
index e7bf83bb03..ff550441e9 100644
--- a/pull.c
+++ b/pull.c
@@ -156,7 +156,7 @@ static int loop(void)
 
 		//fprintf(stderr, "fetch %s\n", sha1_to_hex(obj->sha1));
 		
-		if (make_sure_we_have_it(obj->type ?: "object", 
+		if (make_sure_we_have_it(obj->type ? obj->type : "object", 
 					 obj->sha1))
 			return -1;
 		if (!obj->type)
diff --git a/receive-pack.c b/receive-pack.c
index 9026f1bf82..1ef0c13935 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -24,7 +24,7 @@ struct command {
 	unsigned char updated;
 	unsigned char old_sha1[20];
 	unsigned char new_sha1[20];
-	char ref_name[0];
+	char ref_name[];
 };
 
 static struct command *commands = NULL;
@@ -269,7 +269,7 @@ int main(int argc, char **argv)
 
 	/* If we have a ".git" directory, chdir to it */
 	chdir(".git");
-	setenv("GIT_DIR", ".", 1);
+	putenv("GIT_DIR=.");
 
 	if (access("objects", X_OK) < 0 || access("refs/heads", X_OK) < 0)
 		die("%s doesn't appear to be a git directory", dir);
diff --git a/rsh.c b/rsh.c
index bcb1c80d84..04cbdf7a67 100644
--- a/rsh.c
+++ b/rsh.c
@@ -56,8 +56,10 @@ int setup_connection(int *fd_in, int *fd_out, const char *remote_prog,
 		return error("Couldn't create socket");
 	}
 	if (!fork()) {
-		const char *ssh = getenv("GIT_SSH") ? : "ssh";
-		const char *ssh_basename = strrchr(ssh, '/');
+		const char *ssh, *ssh_basename;
+		ssh = getenv("GIT_SSH");
+		if (!ssh) ssh = "ssh";
+		ssh_basename = strrchr(ssh, '/');
 		if (!ssh_basename)
 			ssh_basename = ssh;
 		else
diff --git a/server-info.c b/server-info.c
index 2b3aecab4a..cb58eb607e 100644
--- a/server-info.c
+++ b/server-info.c
@@ -70,7 +70,7 @@ static struct pack_info {
 	int nr_alloc;
 	int nr_heads;
 	unsigned char (*head)[20];
-	char dep[0]; /* more */
+	char dep[]; /* more */
 } **info;
 static int num_pack;
 static const char *objdir;
diff --git a/sha1_file.c b/sha1_file.c
index 776697755a..fa37f1e3ef 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -283,7 +283,10 @@ void prepare_alt_odb(void)
 	char *map;
 	int fd;
 	struct stat st;
-	char *alt = gitenv(ALTERNATE_DB_ENVIRONMENT) ? : "";
+	char *alt;
+
+	alt = gitenv(ALTERNATE_DB_ENVIRONMENT);
+	if (!alt) alt = "";
 
 	sprintf(path, "%s/info/alternates", get_object_directory());
 	if (alt_odb_tail)
diff --git a/ssh-pull.c b/ssh-pull.c
index b7f313bf27..f1d8e706d3 100644
--- a/ssh-pull.c
+++ b/ssh-pull.c
@@ -87,7 +87,10 @@ int main(int argc, char **argv)
 	char *commit_id;
 	char *url;
 	int arg = 1;
-	const char *prog = getenv("GIT_SSH_PUSH") ? : "git-ssh-push";
+	const char *prog;
+
+	prog = getenv("GIT_SSH_PUSH");
+	if (!prog) prog = "git-ssh-push";
 
 	while (arg < argc && argv[arg][0] == '-') {
 		if (argv[arg][1] == 't') {
diff --git a/ssh-push.c b/ssh-push.c
index ee424a8712..5bd4569974 100644
--- a/ssh-push.c
+++ b/ssh-push.c
@@ -105,10 +105,12 @@ int main(int argc, char **argv)
         char *commit_id;
         char *url;
 	int fd_in, fd_out;
-	const char *prog = getenv("GIT_SSH_PULL") ? : "git-ssh-pull";
+	const char *prog;
 	unsigned char sha1[20];
 	char hex[41];
 
+	prog = getenv("GIT_SSH_PULL");
+	if (!prog) prog = "git-ssh-pull";
 	while (arg < argc && argv[arg][0] == '-') {
 		if (argv[arg][1] == 'w')
 			arg++;
diff --git a/upload-pack.c b/upload-pack.c
index 95d3812051..da10742c44 100644
--- a/upload-pack.c
+++ b/upload-pack.c
@@ -179,7 +179,7 @@ int main(int argc, char **argv)
 	chdir(".git");
 	if (access("objects", X_OK) || access("refs", X_OK))
 		die("git-upload-pack: %s doesn't seem to be a git archive", dir);
-	setenv("GIT_DIR", ".", 1);
+	putenv("GIT_DIR=.");
 	upload_pack();
 	return 0;
 }