diff options
41 files changed, 87 insertions, 130 deletions
diff --git a/Documentation/technical/api-run-command.txt b/Documentation/technical/api-run-command.txt index 69510ae57a..842b8389eb 100644 --- a/Documentation/technical/api-run-command.txt +++ b/Documentation/technical/api-run-command.txt @@ -13,6 +13,10 @@ produces in the caller in order to process it. Functions --------- +`child_process_init` + + Initialize a struct child_process variable. + `start_command`:: Start a sub-process. Takes a pointer to a `struct child_process` @@ -96,8 +100,8 @@ command to run in a sub-process. The caller: -1. allocates and clears (memset(&chld, 0, sizeof(chld));) a - struct child_process variable; +1. allocates and clears (using child_process_init() or + CHILD_PROCESS_INIT) a struct child_process variable; 2. initializes the members; 3. calls start_command(); 4. processes the data; diff --git a/archive-tar.c b/archive-tar.c index 603650fa3c..df2f4c8a64 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -395,7 +395,7 @@ static int write_tar_filter_archive(const struct archiver *ar, struct archiver_args *args) { struct strbuf cmd = STRBUF_INIT; - struct child_process filter; + struct child_process filter = CHILD_PROCESS_INIT; const char *argv[2]; int r; @@ -406,7 +406,6 @@ static int write_tar_filter_archive(const struct archiver *ar, if (args->compression_level >= 0) strbuf_addf(&cmd, " -%d", args->compression_level); - memset(&filter, 0, sizeof(filter)); argv[0] = cmd.buf; argv[1] = NULL; filter.argv = argv; diff --git a/builtin/add.c b/builtin/add.c index 4baf3a5635..352b85e8db 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -180,7 +180,7 @@ static int edit_patch(int argc, const char **argv, const char *prefix) char *file = git_pathdup("ADD_EDIT.patch"); const char *apply_argv[] = { "apply", "--recount", "--cached", NULL, NULL }; - struct child_process child; + struct child_process child = CHILD_PROCESS_INIT; struct rev_info rev; int out; struct stat st; @@ -214,7 +214,6 @@ static int edit_patch(int argc, const char **argv, const char *prefix) if (!st.st_size) die(_("Empty patch. Aborted.")); - memset(&child, 0, sizeof(child)); child.git_cmd = 1; child.argv = apply_argv; if (run_command(&child)) diff --git a/builtin/commit.c b/builtin/commit.c index 36e3a2eef2..ec0048e8b0 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -1540,7 +1540,7 @@ static int run_rewrite_hook(const unsigned char *oldsha1, { /* oldsha1 SP newsha1 LF NUL */ static char buf[2*40 + 3]; - struct child_process proc; + struct child_process proc = CHILD_PROCESS_INIT; const char *argv[3]; int code; size_t n; @@ -1552,7 +1552,6 @@ static int run_rewrite_hook(const unsigned char *oldsha1, argv[1] = "amend"; argv[2] = NULL; - memset(&proc, 0, sizeof(proc)); proc.argv = argv; proc.in = -1; proc.stdout_to_stderr = 1; diff --git a/builtin/help.c b/builtin/help.c index 1fdefeb686..8343b4027d 100644 --- a/builtin/help.c +++ b/builtin/help.c @@ -79,12 +79,11 @@ static const char *get_man_viewer_info(const char *name) static int check_emacsclient_version(void) { struct strbuf buffer = STRBUF_INIT; - struct child_process ec_process; + struct child_process ec_process = CHILD_PROCESS_INIT; const char *argv_ec[] = { "emacsclient", "--version", NULL }; int version; /* emacsclient prints its version number on stderr */ - memset(&ec_process, 0, sizeof(ec_process)); ec_process.argv = argv_ec; ec_process.err = -1; ec_process.stdout_to_stderr = 1; diff --git a/builtin/merge.c b/builtin/merge.c index ce82eb297d..9da9e30d9b 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -237,11 +237,10 @@ static void drop_save(void) static int save_state(unsigned char *stash) { int len; - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; struct strbuf buffer = STRBUF_INIT; const char *argv[] = {"stash", "create", NULL}; - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.out = -1; cp.git_cmd = 1; diff --git a/builtin/notes.c b/builtin/notes.c index 820c34135c..c25a412510 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -122,12 +122,11 @@ static void write_commented_object(int fd, const unsigned char *object) { const char *show_args[5] = {"show", "--stat", "--no-notes", sha1_to_hex(object), NULL}; - struct child_process show; + struct child_process show = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; struct strbuf cbuf = STRBUF_INIT; /* Invoke "git show --stat --no-notes $object" */ - memset(&show, 0, sizeof(show)); show.argv = show_args; show.no_stdin = 1; show.out = -1; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index f93ac454b4..5ad9075b3c 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -255,7 +255,7 @@ static int copy_to_sideband(int in, int out, void *arg) typedef int (*feed_fn)(void *, const char **, size_t *); static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_state) { - struct child_process proc; + struct child_process proc = CHILD_PROCESS_INIT; struct async muxer; const char *argv[2]; int code; @@ -266,7 +266,6 @@ static int run_and_feed_hook(const char *hook_name, feed_fn feed, void *feed_sta argv[1] = NULL; - memset(&proc, 0, sizeof(proc)); proc.argv = argv; proc.in = -1; proc.stdout_to_stderr = 1; @@ -350,7 +349,7 @@ static int run_receive_hook(struct command *commands, const char *hook_name, static int run_update_hook(struct command *cmd) { const char *argv[5]; - struct child_process proc; + struct child_process proc = CHILD_PROCESS_INIT; int code; argv[0] = find_hook("update"); @@ -362,7 +361,6 @@ static int run_update_hook(struct command *cmd) argv[3] = sha1_to_hex(cmd->new_sha1); argv[4] = NULL; - memset(&proc, 0, sizeof(proc)); proc.no_stdin = 1; proc.stdout_to_stderr = 1; proc.err = use_sideband ? -1 : 0; @@ -598,7 +596,7 @@ static void run_update_post_hook(struct command *commands) struct command *cmd; int argc; const char **argv; - struct child_process proc; + struct child_process proc = CHILD_PROCESS_INIT; char *hook; hook = find_hook("post-update"); @@ -621,7 +619,6 @@ static void run_update_post_hook(struct command *commands) } argv[argc] = NULL; - memset(&proc, 0, sizeof(proc)); proc.no_stdin = 1; proc.stdout_to_stderr = 1; proc.err = use_sideband ? -1 : 0; @@ -911,7 +908,7 @@ static const char *unpack(int err_fd, struct shallow_info *si) const char *hdr_err; int status; char hdr_arg[38]; - struct child_process child; + struct child_process child = CHILD_PROCESS_INIT; int fsck_objects = (receive_fsck_objects >= 0 ? receive_fsck_objects : transfer_fsck_objects >= 0 @@ -933,7 +930,6 @@ static const char *unpack(int err_fd, struct shallow_info *si) argv_array_pushl(&av, "--shallow-file", alt_shallow_file, NULL); } - memset(&child, 0, sizeof(child)); if (ntohl(hdr.hdr_entries) < unpack_limit) { argv_array_pushl(&av, "unpack-objects", hdr_arg, NULL); if (quiet) diff --git a/builtin/remote-ext.c b/builtin/remote-ext.c index 692c834d9d..d699d28e98 100644 --- a/builtin/remote-ext.c +++ b/builtin/remote-ext.c @@ -179,9 +179,8 @@ static void send_git_request(int stdin_fd, const char *serv, const char *repo, static int run_child(const char *arg, const char *service) { int r; - struct child_process child; + struct child_process child = CHILD_PROCESS_INIT; - memset(&child, 0, sizeof(child)); child.in = -1; child.out = -1; child.err = 0; diff --git a/builtin/repack.c b/builtin/repack.c index a77e743b94..fc088dbe6a 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -133,7 +133,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix) {".idx"}, {".bitmap", 1}, }; - struct child_process cmd; + struct child_process cmd = CHILD_PROCESS_INIT; struct string_list_item *item; struct argv_array cmd_args = ARGV_ARRAY_INIT; struct string_list names = STRING_LIST_INIT_DUP; @@ -250,7 +250,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix) argv_array_push(&cmd_args, packtmp); - memset(&cmd, 0, sizeof(cmd)); cmd.argv = cmd_args.argv; cmd.git_cmd = 1; cmd.out = -1; diff --git a/builtin/replace.c b/builtin/replace.c index 294b61b97e..d2aac64260 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -197,7 +197,7 @@ static int replace_object(const char *object_ref, const char *replace_ref, int f static void export_object(const unsigned char *sha1, enum object_type type, int raw, const char *filename) { - struct child_process cmd = { NULL }; + struct child_process cmd = CHILD_PROCESS_INIT; int fd; fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666); @@ -234,7 +234,7 @@ static void import_object(unsigned char *sha1, enum object_type type, if (!raw && type == OBJ_TREE) { const char *argv[] = { "mktree", NULL }; - struct child_process cmd = { argv }; + struct child_process cmd = CHILD_PROCESS_INIT; struct strbuf result = STRBUF_INIT; cmd.argv = argv; diff --git a/builtin/verify-pack.c b/builtin/verify-pack.c index 972579f33c..7747537beb 100644 --- a/builtin/verify-pack.c +++ b/builtin/verify-pack.c @@ -8,7 +8,7 @@ static int verify_one_pack(const char *path, unsigned int flags) { - struct child_process index_pack; + struct child_process index_pack = CHILD_PROCESS_INIT; const char *argv[] = {"index-pack", NULL, NULL, NULL }; struct strbuf arg = STRBUF_INIT; int verbose = flags & VERIFY_PACK_VERBOSE; @@ -32,7 +32,6 @@ static int verify_one_pack(const char *path, unsigned int flags) strbuf_addstr(&arg, ".pack"); argv[2] = arg.buf; - memset(&index_pack, 0, sizeof(index_pack)); index_pack.argv = argv; index_pack.git_cmd = 1; @@ -240,7 +240,7 @@ int create_bundle(struct bundle_header *header, const char *path, int i, ref_count = 0; struct strbuf buf = STRBUF_INIT; struct rev_info revs; - struct child_process rls; + struct child_process rls = CHILD_PROCESS_INIT; FILE *rls_fout; bundle_to_stdout = !strcmp(path, "-"); @@ -258,7 +258,6 @@ int create_bundle(struct bundle_header *header, const char *path, init_revisions(&revs, NULL); /* write prerequisites */ - memset(&rls, 0, sizeof(rls)); argv_array_pushl(&rls.args, "rev-list", "--boundary", "--pretty=oneline", NULL); @@ -417,14 +416,13 @@ int unbundle(struct bundle_header *header, int bundle_fd, int flags) { const char *argv_index_pack[] = {"index-pack", "--fix-thin", "--stdin", NULL, NULL}; - struct child_process ip; + struct child_process ip = CHILD_PROCESS_INIT; if (flags & BUNDLE_VERBOSE) argv_index_pack[3] = "-v"; if (verify_bundle(header, 0)) return -1; - memset(&ip, 0, sizeof(ip)); ip.argv = argv_index_pack; ip.in = bundle_fd; ip.no_stdout = 1; @@ -367,7 +367,7 @@ int parseopt_column_callback(const struct option *opt, } static int fd_out = -1; -static struct child_process column_process; +static struct child_process column_process = CHILD_PROCESS_INIT; int run_column_filter(int colopts, const struct column_options *opts) { @@ -537,7 +537,8 @@ static struct child_process *git_proxy_connect(int fd[2], char *host) get_host_and_port(&host, &port); - proxy = xcalloc(1, sizeof(*proxy)); + proxy = xmalloc(sizeof(*proxy)); + child_process_init(proxy); argv_array_push(&proxy->args, git_proxy_command); argv_array_push(&proxy->args, host); argv_array_push(&proxy->args, port); @@ -639,7 +640,7 @@ static enum protocol parse_connect_url(const char *url_orig, char **ret_host, return protocol; } -static struct child_process no_fork; +static struct child_process no_fork = CHILD_PROCESS_INIT; /* * This returns a dummy child_process if the transport protocol does not @@ -694,7 +695,8 @@ struct child_process *git_connect(int fd[2], const char *url, target_host, 0); free(target_host); } else { - conn = xcalloc(1, sizeof(*conn)); + conn = xmalloc(sizeof(*conn)); + child_process_init(conn); strbuf_addstr(&cmd, prog); strbuf_addch(&cmd, ' '); diff --git a/connected.c b/connected.c index dae9c9972e..299c56090b 100644 --- a/connected.c +++ b/connected.c @@ -25,7 +25,7 @@ static int check_everything_connected_real(sha1_iterate_fn fn, struct transport *transport, const char *shallow_file) { - struct child_process rev_list; + struct child_process rev_list = CHILD_PROCESS_INIT; const char *argv[9]; char commit[41]; unsigned char sha1[20]; @@ -60,7 +60,6 @@ static int check_everything_connected_real(sha1_iterate_fn fn, argv[ac++] = "--quiet"; argv[ac] = NULL; - memset(&rev_list, 0, sizeof(rev_list)); rev_list.argv = argv; rev_list.git_cmd = 1; rev_list.in = -1; @@ -321,7 +321,7 @@ static int filter_buffer(int in, int out, void *data) /* * Spawn cmd and feed the buffer contents through its stdin. */ - struct child_process child_process; + struct child_process child_process = CHILD_PROCESS_INIT; struct filter_params *params = (struct filter_params *)data; int write_err, status; const char *argv[] = { NULL, NULL }; @@ -344,7 +344,6 @@ static int filter_buffer(int in, int out, void *data) argv[0] = cmd.buf; - memset(&child_process, 0, sizeof(child_process)); child_process.argv = argv; child_process.use_shell = 1; child_process.in = -1; diff --git a/credential-cache.c b/credential-cache.c index 9a03792c7d..8689a1519a 100644 --- a/credential-cache.c +++ b/credential-cache.c @@ -37,12 +37,11 @@ static int send_request(const char *socket, const struct strbuf *out) static void spawn_daemon(const char *socket) { - struct child_process daemon; + struct child_process daemon = CHILD_PROCESS_INIT; const char *argv[] = { NULL, NULL, NULL }; char buf[128]; int r; - memset(&daemon, 0, sizeof(daemon)); argv[0] = "git-credential-cache--daemon"; argv[1] = socket; daemon.argv = argv; diff --git a/credential.c b/credential.c index 4d79d320f8..1886ea50b3 100644 --- a/credential.c +++ b/credential.c @@ -205,11 +205,10 @@ static int run_credential_helper(struct credential *c, const char *cmd, int want_output) { - struct child_process helper; + struct child_process helper = CHILD_PROCESS_INIT; const char *argv[] = { NULL, NULL }; FILE *fp; - memset(&helper, 0, sizeof(helper)); argv[0] = cmd; helper.argv = argv; helper.use_shell = 1; @@ -242,7 +242,7 @@ static const char *access_hook; static int run_access_hook(struct daemon_service *service, const char *dir, const char *path) { - struct child_process child; + struct child_process child = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; const char *argv[8]; const char **arg = argv; @@ -260,7 +260,6 @@ static int run_access_hook(struct daemon_service *service, const char *dir, cons *arg = NULL; #undef STRARG - memset(&child, 0, sizeof(child)); child.use_shell = 1; child.argv = argv; child.no_stdin = 1; @@ -388,9 +387,8 @@ static void copy_to_log(int fd) static int run_service_command(const char **argv) { - struct child_process cld; + struct child_process cld = CHILD_PROCESS_INIT; - memset(&cld, 0, sizeof(cld)); cld.argv = argv; cld.git_cmd = 1; cld.err = -1; @@ -715,7 +713,7 @@ static void check_dead_children(void) static char **cld_argv; static void handle(int incoming, struct sockaddr *addr, socklen_t addrlen) { - struct child_process cld = { NULL }; + struct child_process cld = CHILD_PROCESS_INIT; char addrbuf[300] = "REMOTE_ADDR=", portbuf[300]; char *env[] = { addrbuf, portbuf, NULL }; @@ -4931,7 +4931,7 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, struct diff_tempfile *temp; const char *argv[3]; const char **arg = argv; - struct child_process child; + struct child_process child = CHILD_PROCESS_INIT; struct strbuf buf = STRBUF_INIT; int err = 0; @@ -4940,7 +4940,6 @@ static char *run_textconv(const char *pgm, struct diff_filespec *spec, *arg++ = temp->name; *arg = NULL; - memset(&child, 0, sizeof(child)); child.use_shell = 1; child.argv = argv; child.out = -1; @@ -38,10 +38,9 @@ int launch_editor(const char *path, struct strbuf *buffer, const char *const *en if (strcmp(editor, ":")) { const char *args[] = { editor, real_path(path), NULL }; - struct child_process p; + struct child_process p = CHILD_PROCESS_INIT; int ret, sig; - memset(&p, 0, sizeof(p)); p.argv = args; p.env = env; p.use_shell = 1; diff --git a/fetch-pack.c b/fetch-pack.c index a13e9dbd94..7487aa7306 100644 --- a/fetch-pack.c +++ b/fetch-pack.c @@ -666,7 +666,7 @@ static int get_pack(struct fetch_pack_args *args, char hdr_arg[256]; const char **av, *cmd_name; int do_keep = args->keep_pack; - struct child_process cmd; + struct child_process cmd = CHILD_PROCESS_INIT; int ret; memset(&demux, 0, sizeof(demux)); @@ -685,7 +685,6 @@ static int get_pack(struct fetch_pack_args *args, else demux.out = xd[0]; - memset(&cmd, 0, sizeof(cmd)); cmd.argv = argv; av = argv; *hdr_arg = 0; diff --git a/gpg-interface.c b/gpg-interface.c index ff07012726..1ef73fb7df 100644 --- a/gpg-interface.c +++ b/gpg-interface.c @@ -55,12 +55,11 @@ const char *get_signing_key(void) */ int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const char *signing_key) { - struct child_process gpg; + struct child_process gpg = CHILD_PROCESS_INIT; const char *args[4]; ssize_t len; size_t i, j, bottom; - memset(&gpg, 0, sizeof(gpg)); gpg.argv = args; gpg.in = -1; gpg.out = -1; @@ -116,7 +115,7 @@ int verify_signed_buffer(const char *payload, size_t payload_size, const char *signature, size_t signature_size, struct strbuf *gpg_output, struct strbuf *gpg_status) { - struct child_process gpg; + struct child_process gpg = CHILD_PROCESS_INIT; const char *args_gpg[] = {NULL, "--status-fd=1", "--verify", "FILE", "-", NULL}; char path[PATH_MAX]; int fd, ret; @@ -133,7 +132,6 @@ int verify_signed_buffer(const char *payload, size_t payload_size, path, strerror(errno)); close(fd); - memset(&gpg, 0, sizeof(gpg)); gpg.argv = args_gpg; gpg.in = -1; gpg.out = -1; diff --git a/http-backend.c b/http-backend.c index 106ca6bf29..404e682593 100644 --- a/http-backend.c +++ b/http-backend.c @@ -316,7 +316,7 @@ static void run_service(const char **argv) const char *host = getenv("REMOTE_ADDR"); struct argv_array env = ARGV_ARRAY_INIT; int gzipped_request = 0; - struct child_process cld; + struct child_process cld = CHILD_PROCESS_INIT; if (encoding && !strcmp(encoding, "gzip")) gzipped_request = 1; @@ -334,7 +334,6 @@ static void run_service(const char **argv) argv_array_pushf(&env, "GIT_COMMITTER_EMAIL=%s@http.%s", user, host); - memset(&cld, 0, sizeof(cld)); cld.argv = argv; cld.env = env.argv; if (gzipped_request) @@ -1332,7 +1332,7 @@ int finish_http_pack_request(struct http_pack_request *preq) struct packed_git **lst; struct packed_git *p = preq->target; char *tmp_idx; - struct child_process ip; + struct child_process ip = CHILD_PROCESS_INIT; const char *ip_argv[8]; close_pack_index(p); @@ -1355,7 +1355,6 @@ int finish_http_pack_request(struct http_pack_request *preq) ip_argv[3] = preq->tmpfile; ip_argv[4] = NULL; - memset(&ip, 0, sizeof(ip)); ip.argv = ip_argv; ip.git_cmd = 1; ip.no_stdin = 1; diff --git a/imap-send.c b/imap-send.c index 614b744106..b7601f6359 100644 --- a/imap-send.c +++ b/imap-send.c @@ -925,7 +925,7 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *f if (srvc->tunnel) { const char *argv[] = { srvc->tunnel, NULL }; - struct child_process tunnel = {NULL}; + struct child_process tunnel = CHILD_PROCESS_INIT; imap_info("Starting tunnel '%s'... ", srvc->tunnel); @@ -12,7 +12,7 @@ */ static const char *pager_argv[] = { NULL, NULL }; -static struct child_process pager_process; +static struct child_process pager_process = CHILD_PROCESS_INIT; static void wait_for_pager(void) { @@ -6,7 +6,7 @@ static char *do_askpass(const char *cmd, const char *prompt) { - struct child_process pass; + struct child_process pass = CHILD_PROCESS_INIT; const char *args[3]; static struct strbuf buffer = STRBUF_INIT; int err = 0; @@ -15,7 +15,6 @@ static char *do_askpass(const char *cmd, const char *prompt) args[1] = prompt; args[2] = NULL; - memset(&pass, 0, sizeof(pass)); pass.argv = args; pass.out = -1; diff --git a/remote-curl.c b/remote-curl.c index 0fcf2ce5ff..017ddd9284 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -623,10 +623,9 @@ static int rpc_service(struct rpc_state *rpc, struct discovery *heads) const char *svc = rpc->service_name; struct strbuf buf = STRBUF_INIT; struct strbuf *preamble = rpc->stdin_preamble; - struct child_process client; + struct child_process client = CHILD_PROCESS_INIT; int err = 0; - memset(&client, 0, sizeof(client)); client.in = -1; client.out = -1; client.git_cmd = 1; diff --git a/remote-testsvn.c b/remote-testsvn.c index 686e07d317..48bf6eb93b 100644 --- a/remote-testsvn.c +++ b/remote-testsvn.c @@ -175,7 +175,7 @@ static int cmd_import(const char *line) char *note_msg; unsigned char head_sha1[20]; unsigned int startrev; - struct child_process svndump_proc; + struct child_process svndump_proc = CHILD_PROCESS_INIT; const char *command = "svnrdump"; if (read_ref(private_ref, head_sha1)) @@ -200,7 +200,6 @@ static int cmd_import(const char *line) if(dumpin_fd < 0) die_errno("Couldn't open svn dump file %s.", url); } else { - memset(&svndump_proc, 0, sizeof(struct child_process)); svndump_proc.out = -1; argv_array_push(&svndump_proc.args, command); argv_array_push(&svndump_proc.args, "dump"); diff --git a/run-command.c b/run-command.c index 35a3ebf07b..761f0fde40 100644 --- a/run-command.c +++ b/run-command.c @@ -8,6 +8,12 @@ # define SHELL_PATH "/bin/sh" #endif +void child_process_init(struct child_process *child) +{ + memset(child, 0, sizeof(*child)); + argv_array_init(&child->args); +} + struct child_to_clean { pid_t pid; struct child_to_clean *next; @@ -555,31 +561,21 @@ int run_command(struct child_process *cmd) return finish_command(cmd); } -static void prepare_run_command_v_opt(struct child_process *cmd, - const char **argv, - int opt) -{ - memset(cmd, 0, sizeof(*cmd)); - cmd->argv = argv; - cmd->no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0; - cmd->git_cmd = opt & RUN_GIT_CMD ? 1 : 0; - cmd->stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0; - cmd->silent_exec_failure = opt & RUN_SILENT_EXEC_FAILURE ? 1 : 0; - cmd->use_shell = opt & RUN_USING_SHELL ? 1 : 0; - cmd->clean_on_exit = opt & RUN_CLEAN_ON_EXIT ? 1 : 0; -} - int run_command_v_opt(const char **argv, int opt) { - struct child_process cmd; - prepare_run_command_v_opt(&cmd, argv, opt); - return run_command(&cmd); + return run_command_v_opt_cd_env(argv, opt, NULL, NULL); } int run_command_v_opt_cd_env(const char **argv, int opt, const char *dir, const char *const *env) { - struct child_process cmd; - prepare_run_command_v_opt(&cmd, argv, opt); + struct child_process cmd = CHILD_PROCESS_INIT; + cmd.argv = argv; + cmd.no_stdin = opt & RUN_COMMAND_NO_STDIN ? 1 : 0; + cmd.git_cmd = opt & RUN_GIT_CMD ? 1 : 0; + cmd.stdout_to_stderr = opt & RUN_COMMAND_STDOUT_TO_STDERR ? 1 : 0; + cmd.silent_exec_failure = opt & RUN_SILENT_EXEC_FAILURE ? 1 : 0; + cmd.use_shell = opt & RUN_USING_SHELL ? 1 : 0; + cmd.clean_on_exit = opt & RUN_CLEAN_ON_EXIT ? 1 : 0; cmd.dir = dir; cmd.env = env; return run_command(&cmd); @@ -763,14 +759,13 @@ char *find_hook(const char *name) int run_hook_ve(const char *const *env, const char *name, va_list args) { - struct child_process hook; + struct child_process hook = CHILD_PROCESS_INIT; const char *p; p = find_hook(name); if (!p) return 0; - memset(&hook, 0, sizeof(hook)); argv_array_push(&hook.args, p); while ((p = va_arg(args, const char *))) argv_array_push(&hook.args, p); diff --git a/run-command.h b/run-command.h index ea73de309b..1b135d1c96 100644 --- a/run-command.h +++ b/run-command.h @@ -44,6 +44,9 @@ struct child_process { unsigned clean_on_exit:1; }; +#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT } +void child_process_init(struct child_process *); + int start_command(struct child_process *); int finish_command(struct child_process *); int run_command(struct child_process *); diff --git a/send-pack.c b/send-pack.c index 6129b0fd8e..8b4cbf049c 100644 --- a/send-pack.c +++ b/send-pack.c @@ -47,7 +47,7 @@ static int pack_objects(int fd, struct ref *refs, struct sha1_array *extra, stru NULL, NULL, }; - struct child_process po; + struct child_process po = CHILD_PROCESS_INIT; int i; i = 4; @@ -59,7 +59,6 @@ static int pack_objects(int fd, struct ref *refs, struct sha1_array *extra, stru argv[i++] = "-q"; if (args->progress) argv[i++] = "--progress"; - memset(&po, 0, sizeof(po)); po.argv = argv; po.in = -1; po.out = args->stateless_rpc ? -1 : fd; diff --git a/submodule.c b/submodule.c index c3a61e70f9..0690dc50d0 100644 --- a/submodule.c +++ b/submodule.c @@ -433,13 +433,12 @@ static int submodule_needs_pushing(const char *path, const unsigned char sha1[20 return 0; if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = {"rev-list", NULL, "--not", "--remotes", "-n", "1" , NULL}; struct strbuf buf = STRBUF_INIT; int needs_pushing = 0; argv[1] = sha1_to_hex(sha1); - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; @@ -524,10 +523,9 @@ static int push_submodule(const char *path) return 1; if (for_each_remote_ref_submodule(path, has_remote, NULL) > 0) { - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = {"push", NULL}; - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; @@ -569,12 +567,11 @@ static int is_submodule_commit_present(const char *path, unsigned char sha1[20]) if (!add_submodule_odb(path) && lookup_commit_reference(sha1)) { /* Even if the submodule is checked out and the commit is * present, make sure it is reachable from a ref. */ - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = {"rev-list", "-n", "1", NULL, "--not", "--all", NULL}; struct strbuf buf = STRBUF_INIT; argv[3] = sha1_to_hex(sha1); - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; @@ -695,7 +692,7 @@ int fetch_populated_submodules(const struct argv_array *options, int quiet) { int i, result = 0; - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; struct argv_array argv = ARGV_ARRAY_INIT; struct string_list_item *name_for_path; const char *work_tree = get_git_work_tree(); @@ -711,7 +708,6 @@ int fetch_populated_submodules(const struct argv_array *options, argv_array_push(&argv, "--recurse-submodules-default"); /* default value, "--submodule-prefix" and its value are added later */ - memset(&cp, 0, sizeof(cp)); cp.env = local_repo_env; cp.git_cmd = 1; cp.no_stdin = 1; @@ -794,7 +790,7 @@ out: unsigned is_submodule_modified(const char *path, int ignore_untracked) { ssize_t len; - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = { "status", "--porcelain", @@ -821,7 +817,6 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) if (ignore_untracked) argv[2] = "-uno"; - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; @@ -862,7 +857,7 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked) int submodule_uses_gitfile(const char *path) { - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = { "submodule", "foreach", @@ -883,7 +878,6 @@ int submodule_uses_gitfile(const char *path) strbuf_release(&buf); /* Now test that all nested submodules use a gitfile too */ - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; @@ -901,7 +895,7 @@ int ok_to_remove_submodule(const char *path) { struct stat st; ssize_t len; - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; const char *argv[] = { "status", "--porcelain", @@ -918,7 +912,6 @@ int ok_to_remove_submodule(const char *path) if (!submodule_uses_gitfile(path)) return 0; - memset(&cp, 0, sizeof(cp)); cp.argv = argv; cp.env = local_repo_env; cp.git_cmd = 1; diff --git a/test-run-command.c b/test-run-command.c index 37918e15f5..89c7de2c60 100644 --- a/test-run-command.c +++ b/test-run-command.c @@ -15,9 +15,7 @@ int main(int argc, char **argv) { - struct child_process proc; - - memset(&proc, 0, sizeof(proc)); + struct child_process proc = CHILD_PROCESS_INIT; if (argc < 3) return 1; diff --git a/test-subprocess.c b/test-subprocess.c index 93525eb7be..56881a0324 100644 --- a/test-subprocess.c +++ b/test-subprocess.c @@ -3,7 +3,7 @@ int main(int argc, char **argv) { - struct child_process cp; + struct child_process cp = CHILD_PROCESS_INIT; int nogit = 0; setup_git_directory_gently(&nogit); @@ -13,7 +13,6 @@ int main(int argc, char **argv) setup_work_tree(); argv++; } - memset(&cp, 0, sizeof(cp)); cp.git_cmd = 1; cp.argv = (const char **)argv + 1; return run_command(&cp); diff --git a/transport-helper.c b/transport-helper.c index 3d8fe7d801..080a7a6ae2 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -118,7 +118,8 @@ static struct child_process *get_helper(struct transport *transport) if (data->helper) return data->helper; - helper = xcalloc(1, sizeof(*helper)); + helper = xmalloc(sizeof(*helper)); + child_process_init(helper); helper->in = -1; helper->out = -1; helper->err = 0; @@ -395,7 +396,7 @@ static int get_importer(struct transport *transport, struct child_process *fasti struct child_process *helper = get_helper(transport); struct helper_data *data = transport->data; int cat_blob_fd, code; - memset(fastimport, 0, sizeof(*fastimport)); + child_process_init(fastimport); fastimport->in = helper->out; argv_array_push(&fastimport->args, "fast-import"); argv_array_push(&fastimport->args, debug ? "--stats" : "--quiet"); diff --git a/transport.c b/transport.c index 662421bb5e..7388bb87da 100644 --- a/transport.c +++ b/transport.c @@ -201,7 +201,7 @@ static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) { struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; struct ref dummy = {NULL}, *tail = &dummy; - struct child_process rsync; + struct child_process rsync = CHILD_PROCESS_INIT; const char *args[5]; int temp_dir_len; @@ -218,7 +218,6 @@ static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) strbuf_addstr(&buf, rsync_url(transport->url)); strbuf_addstr(&buf, "/refs"); - memset(&rsync, 0, sizeof(rsync)); rsync.argv = args; rsync.stdout_to_stderr = 1; args[0] = "rsync"; @@ -263,9 +262,8 @@ static struct ref *get_refs_via_rsync(struct transport *transport, int for_push) static int fetch_objs_via_rsync(struct transport *transport, int nr_objs, struct ref **to_fetch) { - struct child_process rsync; + struct child_process rsync = CHILD_PROCESS_INIT; - memset(&rsync, 0, sizeof(rsync)); rsync.stdout_to_stderr = 1; argv_array_push(&rsync.args, "rsync"); argv_array_push(&rsync.args, (transport->verbose > 1) ? "-rv" : "-r"); @@ -327,7 +325,7 @@ static int rsync_transport_push(struct transport *transport, { struct strbuf buf = STRBUF_INIT, temp_dir = STRBUF_INIT; int result = 0, i; - struct child_process rsync; + struct child_process rsync = CHILD_PROCESS_INIT; const char *args[10]; if (flags & TRANSPORT_PUSH_MIRROR) @@ -338,7 +336,6 @@ static int rsync_transport_push(struct transport *transport, strbuf_addstr(&buf, rsync_url(transport->url)); strbuf_addch(&buf, '/'); - memset(&rsync, 0, sizeof(rsync)); rsync.argv = args; rsync.stdout_to_stderr = 1; i = 0; @@ -1056,7 +1053,7 @@ static int run_pre_push_hook(struct transport *transport, { int ret = 0, x; struct ref *r; - struct child_process proc; + struct child_process proc = CHILD_PROCESS_INIT; struct strbuf buf; const char *argv[4]; @@ -1067,7 +1064,6 @@ static int run_pre_push_hook(struct transport *transport, argv[2] = transport->url; argv[3] = NULL; - memset(&proc, 0, sizeof(proc)); proc.argv = argv; proc.in = -1; diff --git a/upload-pack.c b/upload-pack.c index 01de944a0a..c9ea1d3be6 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -80,7 +80,7 @@ static int write_one_shallow(const struct commit_graft *graft, void *cb_data) static void create_pack_file(void) { - struct child_process pack_objects; + struct child_process pack_objects = CHILD_PROCESS_INIT; char data[8193], progress[128]; char abort_msg[] = "aborting due to possible repository " "corruption on the remote side."; @@ -108,7 +108,6 @@ static void create_pack_file(void) argv[arg++] = "--include-tag"; argv[arg++] = NULL; - memset(&pack_objects, 0, sizeof(pack_objects)); pack_objects.in = -1; pack_objects.out = -1; pack_objects.err = -1; @@ -448,7 +447,7 @@ static void check_non_tip(void) static const char *argv[] = { "rev-list", "--stdin", NULL, }; - static struct child_process cmd; + static struct child_process cmd = CHILD_PROCESS_INIT; struct object *o; char namebuf[42]; /* ^ + SHA-1 + LF */ int i; diff --git a/wt-status.c b/wt-status.c index 27da5296be..1bf5d72545 100644 --- a/wt-status.c +++ b/wt-status.c @@ -725,7 +725,7 @@ static void wt_status_print_changed(struct wt_status *s) static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitted) { - struct child_process sm_summary; + struct child_process sm_summary = CHILD_PROCESS_INIT; struct argv_array env = ARGV_ARRAY_INIT; struct argv_array argv = ARGV_ARRAY_INIT; struct strbuf cmd_stdout = STRBUF_INIT; @@ -744,7 +744,6 @@ static void wt_status_print_submodule_summary(struct wt_status *s, int uncommitt if (!uncommitted) argv_array_push(&argv, s->amend ? "HEAD^" : "HEAD"); - memset(&sm_summary, 0, sizeof(sm_summary)); sm_summary.argv = argv.argv; sm_summary.env = env.argv; sm_summary.git_cmd = 1; |