diff options
| -rw-r--r-- | bisect.c | 8 | ||||
| -rw-r--r-- | branch.c | 16 | ||||
| -rw-r--r-- | builtin/checkout.c | 5 | ||||
| -rw-r--r-- | builtin/fetch.c | 6 | ||||
| -rw-r--r-- | builtin/gc.c | 8 | ||||
| -rw-r--r-- | builtin/index-pack.c | 22 | ||||
| -rw-r--r-- | builtin/ls-remote.c | 10 | ||||
| -rw-r--r-- | builtin/name-rev.c | 21 | ||||
| -rw-r--r-- | builtin/notes.c | 9 | ||||
| -rw-r--r-- | builtin/receive-pack.c | 17 | ||||
| -rw-r--r-- | builtin/replace.c | 50 | ||||
| -rw-r--r-- | builtin/rev-parse.c | 5 | ||||
| -rw-r--r-- | builtin/tag.c | 42 | ||||
| -rw-r--r-- | cache.h | 7 | ||||
| -rw-r--r-- | combine-diff.c | 7 | ||||
| -rw-r--r-- | daemon.c | 38 | ||||
| -rw-r--r-- | diff.c | 68 | ||||
| -rw-r--r-- | environment.c | 14 | ||||
| -rw-r--r-- | fast-import.c | 9 | ||||
| -rw-r--r-- | grep.c | 4 | ||||
| -rw-r--r-- | http.c | 10 | ||||
| -rw-r--r-- | imap-send.c | 2 | ||||
| -rw-r--r-- | pack-bitmap-write.c | 14 | ||||
| -rw-r--r-- | pack-write.c | 16 | ||||
| -rw-r--r-- | refs.c | 44 | ||||
| -rw-r--r-- | sha1_file.c | 4 | ||||
| -rw-r--r-- | submodule.c | 2 | ||||
| -rw-r--r-- | transport-helper.c | 5 |
28 files changed, 239 insertions, 224 deletions
@@ -200,6 +200,7 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n { struct commit_list *p; struct commit_dist *array = xcalloc(nr, sizeof(*array)); + struct strbuf buf = STRBUF_INIT; int cnt, i; for (p = list, cnt = 0; p; p = p->next) { @@ -217,17 +218,18 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n } QSORT(array, cnt, compare_commit_dist); for (p = list, i = 0; i < cnt; i++) { - char buf[100]; /* enough for dist=%d */ struct object *obj = &(array[i].commit->object); - snprintf(buf, sizeof(buf), "dist=%d", array[i].distance); - add_name_decoration(DECORATION_NONE, buf, obj); + strbuf_reset(&buf); + strbuf_addf(&buf, "dist=%d", array[i].distance); + add_name_decoration(DECORATION_NONE, buf.buf, obj); p->item = array[i].commit; p = p->next; } if (p) p->next = NULL; + strbuf_release(&buf); free(array); return list; } @@ -234,7 +234,7 @@ void create_branch(const char *name, const char *start_name, { struct commit *commit; unsigned char sha1[20]; - char *real_ref, msg[PATH_MAX + 20]; + char *real_ref; struct strbuf ref = STRBUF_INIT; int forcing = 0; int dont_change_ref = 0; @@ -290,19 +290,18 @@ void create_branch(const char *name, const char *start_name, die(_("Not a valid branch point: '%s'."), start_name); hashcpy(sha1, commit->object.oid.hash); - if (forcing) - snprintf(msg, sizeof msg, "branch: Reset to %s", - start_name); - else if (!dont_change_ref) - snprintf(msg, sizeof msg, "branch: Created from %s", - start_name); - if (reflog) log_all_ref_updates = LOG_REFS_NORMAL; if (!dont_change_ref) { struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; + char *msg; + + if (forcing) + msg = xstrfmt("branch: Reset to %s", start_name); + else + msg = xstrfmt("branch: Created from %s", start_name); transaction = ref_transaction_begin(&err); if (!transaction || @@ -313,6 +312,7 @@ void create_branch(const char *name, const char *start_name, die("%s", err.buf); ref_transaction_free(transaction); strbuf_release(&err); + free(msg); } if (real_ref && track) diff --git a/builtin/checkout.c b/builtin/checkout.c index 3ecc47bec0..bfa5419f33 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -908,11 +908,10 @@ static int check_tracking_name(struct remote *remote, void *cb_data) static const char *unique_tracking_name(const char *name, struct object_id *oid) { struct tracking_name_data cb_data = { NULL, NULL, NULL, 1 }; - char src_ref[PATH_MAX]; - snprintf(src_ref, PATH_MAX, "refs/heads/%s", name); - cb_data.src_ref = src_ref; + cb_data.src_ref = xstrfmt("refs/heads/%s", name); cb_data.dst_oid = oid; for_each_remote(check_tracking_name, &cb_data); + free(cb_data.src_ref); if (cb_data.unique) return cb_data.dst_ref; free(cb_data.dst_ref); diff --git a/builtin/fetch.c b/builtin/fetch.c index b5ad09d046..4ef7a08afc 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -421,7 +421,7 @@ static int s_update_ref(const char *action, struct ref *ref, int check_old) { - char msg[1024]; + char *msg; char *rla = getenv("GIT_REFLOG_ACTION"); struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; @@ -431,7 +431,7 @@ static int s_update_ref(const char *action, return 0; if (!rla) rla = default_rla.buf; - snprintf(msg, sizeof(msg), "%s: %s", rla, action); + msg = xstrfmt("%s: %s", rla, action); transaction = ref_transaction_begin(&err); if (!transaction || @@ -449,11 +449,13 @@ static int s_update_ref(const char *action, ref_transaction_free(transaction); strbuf_release(&err); + free(msg); return 0; fail: ref_transaction_free(transaction); error("%s", err.buf); strbuf_release(&err); + free(msg); return df_conflict ? STORE_REF_ERROR_DF_CONFLICT : STORE_REF_ERROR_OTHER; } diff --git a/builtin/gc.c b/builtin/gc.c index c2c61a57bb..2daede7820 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -135,8 +135,6 @@ static int too_many_loose_objects(void) * distributed, we can check only one and get a reasonable * estimate. */ - char path[PATH_MAX]; - const char *objdir = get_object_directory(); DIR *dir; struct dirent *ent; int auto_threshold; @@ -146,11 +144,7 @@ static int too_many_loose_objects(void) if (gc_auto_threshold <= 0) return 0; - if (sizeof(path) <= snprintf(path, sizeof(path), "%s/17", objdir)) { - warning(_("insanely long object directory %.*s"), 50, objdir); - return 0; - } - dir = opendir(path); + dir = opendir(git_path("objects/17")); if (!dir) return 0; diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 88d205f858..197c51912d 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -307,14 +307,15 @@ static const char *open_pack_file(const char *pack_name) if (from_stdin) { input_fd = 0; if (!pack_name) { - static char tmp_file[PATH_MAX]; - output_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), + struct strbuf tmp_file = STRBUF_INIT; + output_fd = odb_mkstemp(&tmp_file, "pack/tmp_pack_XXXXXX"); - pack_name = xstrdup(tmp_file); - } else + pack_name = strbuf_detach(&tmp_file, NULL); + } else { output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); - if (output_fd < 0) - die_errno(_("unable to create '%s'"), pack_name); + if (output_fd < 0) + die_errno(_("unable to create '%s'"), pack_name); + } nothread_data.pack_fd = output_fd; } else { input_fd = open(pack_name, O_RDONLY); @@ -1442,10 +1443,11 @@ static void final(const char *final_pack_name, const char *curr_pack_name, if (!from_stdin) { printf("%s\n", sha1_to_hex(sha1)); } else { - char buf[48]; - int len = snprintf(buf, sizeof(buf), "%s\t%s\n", - report, sha1_to_hex(sha1)); - write_or_die(1, buf, len); + struct strbuf buf = STRBUF_INIT; + + strbuf_addf(&buf, "%s\t%s\n", report, sha1_to_hex(sha1)); + write_or_die(1, buf.buf, buf.len); + strbuf_release(&buf); /* * Let's just mimic git-unpack-objects here and write diff --git a/builtin/ls-remote.c b/builtin/ls-remote.c index 66cdd45cc1..b2d7d5ce68 100644 --- a/builtin/ls-remote.c +++ b/builtin/ls-remote.c @@ -17,17 +17,19 @@ static const char * const ls_remote_usage[] = { static int tail_match(const char **pattern, const char *path) { const char *p; - char pathbuf[PATH_MAX]; + char *pathbuf; if (!pattern) return 1; /* no restriction */ - if (snprintf(pathbuf, sizeof(pathbuf), "/%s", path) > sizeof(pathbuf)) - return error("insanely long ref %.*s...", 20, path); + pathbuf = xstrfmt("/%s", path); while ((p = *(pattern++)) != NULL) { - if (!wildmatch(p, pathbuf, 0, NULL)) + if (!wildmatch(p, pathbuf, 0, NULL)) { + free(pathbuf); return 1; + } } + free(pathbuf); return 0; } diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 8bdc3eaa6f..92a5d8a5d2 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -238,10 +238,9 @@ static const char *get_exact_ref_match(const struct object *o) return NULL; } -/* returns a static buffer */ -static const char *get_rev_name(const struct object *o) +/* may return a constant string or use "buf" as scratch space */ +static const char *get_rev_name(const struct object *o, struct strbuf *buf) { - static char buffer[1024]; struct rev_name *n; struct commit *c; @@ -258,10 +257,9 @@ static const char *get_rev_name(const struct object *o) int len = strlen(n->tip_name); if (len > 2 && !strcmp(n->tip_name + len - 2, "^0")) len -= 2; - snprintf(buffer, sizeof(buffer), "%.*s~%d", len, n->tip_name, - n->generation); - - return buffer; + strbuf_reset(buf); + strbuf_addf(buf, "%.*s~%d", len, n->tip_name, n->generation); + return buf->buf; } } @@ -271,10 +269,11 @@ static void show_name(const struct object *obj, { const char *name; const struct object_id *oid = &obj->oid; + struct strbuf buf = STRBUF_INIT; if (!name_only) printf("%s ", caller_name ? caller_name : oid_to_hex(oid)); - name = get_rev_name(obj); + name = get_rev_name(obj, &buf); if (name) printf("%s\n", name); else if (allow_undefined) @@ -283,6 +282,7 @@ static void show_name(const struct object *obj, printf("%s\n", find_unique_abbrev(oid->hash, DEFAULT_ABBREV)); else die("cannot describe '%s'", oid_to_hex(oid)); + strbuf_release(&buf); } static char const * const name_rev_usage[] = { @@ -294,6 +294,7 @@ static char const * const name_rev_usage[] = { static void name_rev_line(char *p, struct name_ref_data *data) { + struct strbuf buf = STRBUF_INIT; int forty = 0; char *p_start; for (p_start = p; *p; p++) { @@ -314,7 +315,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) struct object *o = lookup_object(sha1); if (o) - name = get_rev_name(o); + name = get_rev_name(o, &buf); } *(p+1) = c; @@ -332,6 +333,8 @@ static void name_rev_line(char *p, struct name_ref_data *data) /* flush */ if (p_start != p) fwrite(p_start, p - p_start, 1, stdout); + + strbuf_release(&buf); } int cmd_name_rev(int argc, const char **argv, const char *prefix) diff --git a/builtin/notes.c b/builtin/notes.c index 0513f7455d..7b891471c4 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -554,7 +554,7 @@ static int append_edit(int argc, const char **argv, const char *prefix) struct notes_tree *t; unsigned char object[20], new_note[20]; const unsigned char *note; - char logmsg[100]; + char *logmsg; const char * const *usage; struct note_data d = { 0, 0, NULL, STRBUF_INIT }; struct option options[] = { @@ -618,17 +618,16 @@ static int append_edit(int argc, const char **argv, const char *prefix) write_note_data(&d, new_note); if (add_note(t, object, new_note, combine_notes_overwrite)) die("BUG: combine_notes_overwrite failed"); - snprintf(logmsg, sizeof(logmsg), "Notes added by 'git notes %s'", - argv[0]); + logmsg = xstrfmt("Notes added by 'git notes %s'", argv[0]); } else { fprintf(stderr, _("Removing note for object %s\n"), sha1_to_hex(object)); remove_note(t, object); - snprintf(logmsg, sizeof(logmsg), "Notes removed by 'git notes %s'", - argv[0]); + logmsg = xstrfmt("Notes removed by 'git notes %s'", argv[0]); } commit_notes(t, logmsg); + free(logmsg); free_note_data(&d); free_notes(t); return 0; diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index aca9c33d8d..7020278081 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1634,12 +1634,17 @@ static const char *parse_pack_header(struct pack_header *hdr) static const char *pack_lockfile; +static void push_header_arg(struct argv_array *args, struct pack_header *hdr) +{ + argv_array_pushf(args, "--pack_header=%"PRIu32",%"PRIu32, + ntohl(hdr->hdr_version), ntohl(hdr->hdr_entries)); +} + static const char *unpack(int err_fd, struct shallow_info *si) { struct pack_header hdr; const char *hdr_err; int status; - char hdr_arg[38]; struct child_process child = CHILD_PROCESS_INIT; int fsck_objects = (receive_fsck_objects >= 0 ? receive_fsck_objects @@ -1653,9 +1658,6 @@ static const char *unpack(int err_fd, struct shallow_info *si) close(err_fd); return hdr_err; } - snprintf(hdr_arg, sizeof(hdr_arg), - "--pack_header=%"PRIu32",%"PRIu32, - ntohl(hdr.hdr_version), ntohl(hdr.hdr_entries)); if (si->nr_ours || si->nr_theirs) { alt_shallow_file = setup_temporary_shallow(si->shallow); @@ -1679,7 +1681,8 @@ static const char *unpack(int err_fd, struct shallow_info *si) tmp_objdir_add_as_alternate(tmp_objdir); if (ntohl(hdr.hdr_entries) < unpack_limit) { - argv_array_pushl(&child.args, "unpack-objects", hdr_arg, NULL); + argv_array_push(&child.args, "unpack-objects"); + push_header_arg(&child.args, &hdr); if (quiet) argv_array_push(&child.args, "-q"); if (fsck_objects) @@ -1697,8 +1700,8 @@ static const char *unpack(int err_fd, struct shallow_info *si) } else { char hostname[256]; - argv_array_pushl(&child.args, "index-pack", - "--stdin", hdr_arg, NULL); + argv_array_pushl(&child.args, "index-pack", "--stdin", NULL); + push_header_arg(&child.args, &hdr); if (gethostname(hostname, sizeof(hostname))) xsnprintf(hostname, sizeof(hostname), "localhost"); diff --git a/builtin/replace.c b/builtin/replace.c index f83e7b8fc1..065515baba 100644 --- a/builtin/replace.c +++ b/builtin/replace.c @@ -93,26 +93,31 @@ typedef int (*each_replace_name_fn)(const char *name, const char *ref, static int for_each_replace_name(const char **argv, each_replace_name_fn fn) { const char **p, *full_hex; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; + size_t base_len; int had_error = 0; struct object_id oid; + strbuf_addstr(&ref, git_replace_ref_base); + base_len = ref.len; + for (p = argv; *p; p++) { if (get_oid(*p, &oid)) { error("Failed to resolve '%s' as a valid ref.", *p); had_error = 1; continue; } - full_hex = oid_to_hex(&oid); - snprintf(ref, sizeof(ref), "%s%s", git_replace_ref_base, full_hex); - /* read_ref() may reuse the buffer */ - full_hex = ref + strlen(git_replace_ref_base); - if (read_ref(ref, oid.hash)) { + + strbuf_setlen(&ref, base_len); + strbuf_addstr(&ref, oid_to_hex(&oid)); + full_hex = ref.buf + base_len; + + if (read_ref(ref.buf, oid.hash)) { error("replace ref '%s' not found.", full_hex); had_error = 1; continue; } - if (fn(full_hex, ref, &oid)) + if (fn(full_hex, ref.buf, &oid)) had_error = 1; } return had_error; @@ -129,21 +134,18 @@ static int delete_replace_ref(const char *name, const char *ref, static void check_ref_valid(struct object_id *object, struct object_id *prev, - char *ref, - int ref_size, + struct strbuf *ref, int force) { - if (snprintf(ref, ref_size, - "%s%s", git_replace_ref_base, - oid_to_hex(object)) > ref_size - 1) - die("replace ref name too long: %.*s...", 50, ref); - if (check_refname_format(ref, 0)) - die("'%s' is not a valid ref name.", ref); - - if (read_ref(ref, prev->hash)) + strbuf_reset(ref); + strbuf_addf(ref, "%s%s", git_replace_ref_base, oid_to_hex(object)); + if (check_refname_format(ref->buf, 0)) + die("'%s' is not a valid ref name.", ref->buf); + + if (read_ref(ref->buf, prev->hash)) oidclr(prev); else if (!force) - die("replace ref '%s' already exists", ref); + die("replace ref '%s' already exists", ref->buf); } static int replace_object_oid(const char *object_ref, @@ -154,7 +156,7 @@ static int replace_object_oid(const char *object_ref, { struct object_id prev; enum object_type obj_type, repl_type; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; struct ref_transaction *transaction; struct strbuf err = STRBUF_INIT; @@ -167,16 +169,17 @@ static int replace_object_oid(const char *object_ref, object_ref, typename(obj_type), replace_ref, typename(repl_type)); - check_ref_valid(object, &prev, ref, sizeof(ref), force); + check_ref_valid(object, &prev, &ref, force); transaction = ref_transaction_begin(&err); if (!transaction || - ref_transaction_update(transaction, ref, repl->hash, prev.hash, + ref_transaction_update(transaction, ref.buf, repl->hash, prev.hash, 0, NULL, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); + strbuf_release(&ref); return 0; } @@ -280,7 +283,7 @@ static int edit_and_replace(const char *object_ref, int force, int raw) char *tmpfile = git_pathdup("REPLACE_EDITOBJ"); enum object_type type; struct object_id old, new, prev; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; if (get_oid(object_ref, &old) < 0) die("Not a valid object name: '%s'", object_ref); @@ -289,7 +292,8 @@ static int edit_and_replace(const char *object_ref, int force, int raw) if (type < 0) die("unable to get object type for %s", oid_to_hex(&old)); - check_ref_valid(&old, &prev, ref, sizeof(ref), force); + check_ref_valid(&old, &prev, &ref, force); + strbuf_release(&ref); export_object(&old, type, raw, tmpfile); if (launch_editor(tmpfile, NULL, NULL) < 0) diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 9e53a1a7ca..f54d7b5028 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -213,13 +213,14 @@ static int show_abbrev(const unsigned char *sha1, void *cb_data) static void show_datestring(const char *flag, const char *datestr) { - static char buffer[100]; + char *buffer; /* date handling requires both flags and revs */ if ((filter & (DO_FLAGS | DO_REVS)) != (DO_FLAGS | DO_REVS)) return; - snprintf(buffer, sizeof(buffer), "%s%lu", flag, approxidate(datestr)); + buffer = xstrfmt("%s%lu", flag, approxidate(datestr)); show(buffer); + free(buffer); } static int show_file(const char *arg, int output_prefix) diff --git a/builtin/tag.c b/builtin/tag.c index dbc6f5b74b..222404522f 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -72,25 +72,22 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn, const void *cb_data) { const char **p; - char ref[PATH_MAX]; + struct strbuf ref = STRBUF_INIT; int had_error = 0; unsigned char sha1[20]; for (p = argv; *p; p++) { - if (snprintf(ref, sizeof(ref), "refs/tags/%s", *p) - >= sizeof(ref)) { - error(_("tag name too long: %.*s..."), 50, *p); - had_error = 1; - continue; - } - if (read_ref(ref, sha1)) { + strbuf_reset(&ref); + strbuf_addf(&ref, "refs/tags/%s", *p); + if (read_ref(ref.buf, sha1)) { error(_("tag '%s' not found."), *p); had_error = 1; continue; } - if (fn(*p, ref, sha1, cb_data)) + if (fn(*p, ref.buf, sha1, cb_data)) had_error = 1; } + strbuf_release(&ref); return had_error; } @@ -231,26 +228,22 @@ static void create_tag(const unsigned char *object, const char *tag, unsigned char *prev, unsigned char *result) { enum object_type type; - char header_buf[1024]; - int header_len; + struct strbuf header = STRBUF_INIT; char *path = NULL; type = sha1_object_info(object, NULL); if (type <= OBJ_NONE) die(_("bad object type.")); - header_len = snprintf(header_buf, sizeof(header_buf), - "object %s\n" - "type %s\n" - "tag %s\n" - "tagger %s\n\n", - sha1_to_hex(object), - typename(type), - tag, - git_committer_info(IDENT_STRICT)); - - if (header_len > sizeof(header_buf) - 1) - die(_("tag header too big.")); + strbuf_addf(&header, + "object %s\n" + "type %s\n" + "tag %s\n" + "tagger %s\n\n", + sha1_to_hex(object), + typename(type), + tag, + git_committer_info(IDENT_STRICT)); if (!opt->message_given) { int fd; @@ -288,7 +281,8 @@ static void create_tag(const unsigned char *object, const char *tag, if (!opt->message_given && !buf->len) die(_("no tag message?")); - strbuf_insert(buf, 0, header_buf, header_len); + strbuf_insert(buf, 0, header.buf, header.len); + strbuf_release(&header); if (build_tag_object(buf, opt->sign, result) < 0) { if (path) @@ -1675,9 +1675,12 @@ extern struct packed_git *find_sha1_pack(const unsigned char *sha1, extern void pack_report(void); /* - * Create a temporary file rooted in the object database directory. + * Create a temporary file rooted in the object database directory, or + * die on failure. The filename is taken from "pattern", which should have the + * usual "XXXXXX" trailer, and the resulting filename is written into the + * "template" buffer. Returns the open descriptor. */ -extern int odb_mkstemp(char *template, size_t limit, const char *pattern); +extern int odb_mkstemp(struct strbuf *template, const char *pattern); /* * Generate the filename to be used for a pack file with checksum "sha1" and diff --git a/combine-diff.c b/combine-diff.c index 59501db99a..d3560573ac 100644 --- a/combine-diff.c +++ b/combine-diff.c @@ -292,9 +292,10 @@ static char *grab_blob(const struct object_id *oid, unsigned int mode, enum object_type type; if (S_ISGITLINK(mode)) { - blob = xmalloc(100); - *size = snprintf(blob, 100, - "Subproject commit %s\n", oid_to_hex(oid)); + struct strbuf buf = STRBUF_INIT; + strbuf_addf(&buf, "Subproject commit %s\n", oid_to_hex(oid)); + *size = buf.len; + blob = strbuf_detach(&buf, NULL); } else if (is_null_oid(oid)) { /* deleted blob */ *size = 0; @@ -449,46 +449,42 @@ static void copy_to_log(int fd) fclose(fp); } -static int run_service_command(const char **argv) +static int run_service_command(struct child_process *cld) { - struct child_process cld = CHILD_PROCESS_INIT; - - cld.argv = argv; - cld.git_cmd = 1; - cld.err = -1; - if (start_command(&cld)) + argv_array_push(&cld->args, "."); + cld->git_cmd = 1; + cld->err = -1; + if (start_command(cld)) return -1; close(0); close(1); - copy_to_log(cld.err); + copy_to_log(cld->err); - return finish_command(&cld); + return finish_command(cld); } static int upload_pack(void) { - /* Timeout as string */ - char timeout_buf[64]; - const char *argv[] = { "upload-pack", "--strict", NULL, ".", NULL }; - - argv[2] = timeout_buf; - - snprintf(timeout_buf, sizeof timeout_buf, "--timeout=%u", timeout); - return run_service_command(argv); + struct child_process cld = CHILD_PROCESS_INIT; + argv_array_pushl(&cld.args, "upload-pack", "--strict", NULL); + argv_array_pushf(&cld.args, "--timeout=%u", timeout); + return run_service_command(&cld); } static int upload_archive(void) { - static const char *argv[] = { "upload-archive", ".", NULL }; - return run_service_command(argv); + struct child_process cld = CHILD_PROCESS_INIT; + argv_array_push(&cld.args, "upload-archive"); + return run_service_command(&cld); } static int receive_pack(void) { - static const char *argv[] = { "receive-pack", ".", NULL }; - return run_service_command(argv); + struct child_process cld = CHILD_PROCESS_INIT; + argv_array_push(&cld.args, "receive-pack"); + return run_service_command(&cld); } static struct daemon_service daemon_service[] = { @@ -4570,6 +4570,19 @@ static void patch_id_consume(void *priv, char *line, unsigned long len) data->patchlen += new_len; } +static void patch_id_add_string(git_SHA_CTX *ctx, const char *str) +{ + git_SHA1_Update(ctx, str, strlen(str)); +} + +static void patch_id_add_mode(git_SHA_CTX *ctx, unsigned mode) +{ + /* large enough for 2^32 in octal */ + char buf[12]; + int len = xsnprintf(buf, sizeof(buf), "%06o", mode); + git_SHA1_Update(ctx, buf, len); +} + /* returns 0 upon success, and writes result into sha1 */ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1, int diff_header_only) { @@ -4577,7 +4590,6 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1, int i; git_SHA_CTX ctx; struct patch_id_t data; - char buffer[PATH_MAX * 4 + 20]; git_SHA1_Init(&ctx); memset(&data, 0, sizeof(struct patch_id_t)); @@ -4609,36 +4621,30 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1, len1 = remove_space(p->one->path, strlen(p->one->path)); len2 = remove_space(p->two->path, strlen(p->two->path)); - if (p->one->mode == 0) - len1 = snprintf(buffer, sizeof(buffer), - "diff--gita/%.*sb/%.*s" - "newfilemode%06o" - "---/dev/null" - "+++b/%.*s", - len1, p->one->path, - len2, p->two->path, - p->two->mode, - len2, p->two->path); - else if (p->two->mode == 0) - len1 = snprintf(buffer, sizeof(buffer), - "diff--gita/%.*sb/%.*s" - "deletedfilemode%06o" - "---a/%.*s" - "+++/dev/null", - len1, p->one->path, - len2, p->two->path, - p->one->mode, - len1, p->one->path); - else - len1 = snprintf(buffer, sizeof(buffer), - "diff--gita/%.*sb/%.*s" - "---a/%.*s" - "+++b/%.*s", - len1, p->one->path, - len2, p->two->path, - len1, p->one->path, - len2, p->two->path); - git_SHA1_Update(&ctx, buffer, len1); + patch_id_add_string(&ctx, "diff--git"); + patch_id_add_string(&ctx, "a/"); + git_SHA1_Update(&ctx, p->one->path, len1); + patch_id_add_string(&ctx, "b/"); + git_SHA1_Update(&ctx, p->two->path, len2); + + if (p->one->mode == 0) { + patch_id_add_string(&ctx, "newfilemode"); + patch_id_add_mode(&ctx, p->two->mode); + patch_id_add_string(&ctx, "---/dev/null"); + patch_id_add_string(&ctx, "+++b/"); + git_SHA1_Update(&ctx, p->two->path, len2); + } else if (p->two->mode == 0) { + patch_id_add_string(&ctx, "deletedfilemode"); + patch_id_add_mode(&ctx, p->one->mode); + patch_id_add_string(&ctx, "---a/"); + git_SHA1_Update(&ctx, p->one->path, len1); + patch_id_add_string(&ctx, "+++/dev/null"); + } else { + patch_id_add_string(&ctx, "---a/"); + git_SHA1_Update(&ctx, p->one->path, len1); + patch_id_add_string(&ctx, "+++b/"); + git_SHA1_Update(&ctx, p->two->path, len2); + } if (diff_header_only) continue; diff --git a/environment.c b/environment.c index a17d96aa85..ff6e4f06e9 100644 --- a/environment.c +++ b/environment.c @@ -277,7 +277,7 @@ char *get_object_directory(void) return git_object_dir; } -int odb_mkstemp(char *template, size_t limit, const char *pattern) +int odb_mkstemp(struct strbuf *template, const char *pattern) { int fd; /* @@ -285,18 +285,16 @@ int odb_mkstemp(char *template, size_t limit, const char *pattern) * restrictive except to remove write permission. */ int mode = 0444; - snprintf(template, limit, "%s/%s", - get_object_directory(), pattern); - fd = git_mkstemp_mode(template, mode); + git_path_buf(template, "objects/%s", pattern); + fd = git_mkstemp_mode(template->buf, mode); if (0 <= fd) return fd; /* slow path */ /* some mkstemp implementations erase template on failure */ - snprintf(template, limit, "%s/%s", - get_object_directory(), pattern); - safe_create_leading_directories(template); - return xmkstemp_mode(template, mode); + git_path_buf(template, "objects/%s", pattern); + safe_create_leading_directories(template->buf); + return xmkstemp_mode(template->buf, mode); } int odb_pack_keep(const char *name) diff --git a/fast-import.c b/fast-import.c index f6f416f20a..1ea3a08609 100644 --- a/fast-import.c +++ b/fast-import.c @@ -890,14 +890,15 @@ static struct tree_content *dup_tree_content(struct tree_content *s) static void start_packfile(void) { - static char tmp_file[PATH_MAX]; + struct strbuf tmp_file = STRBUF_INIT; struct packed_git *p; struct pack_header hdr; int pack_fd; - pack_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), - "pack/tmp_pack_XXXXXX"); - FLEX_ALLOC_STR(p, pack_name, tmp_file); + pack_fd = odb_mkstemp(&tmp_file, "pack/tmp_pack_XXXXXX"); + FLEX_ALLOC_STR(p, pack_name, tmp_file.buf); + strbuf_release(&tmp_file); + p->pack_fd = pack_fd; p->do_not_close = 1; pack_file = sha1fd(pack_fd, p->pack_name); @@ -1171,7 +1171,7 @@ static void show_line(struct grep_opt *opt, char *bol, char *eol, } if (opt->linenum) { char buf[32]; - snprintf(buf, sizeof(buf), "%d", lno); + xsnprintf(buf, sizeof(buf), "%d", lno); output_color(opt, buf, strlen(buf), opt->color_lineno); output_sep(opt, sign); } @@ -1653,7 +1653,7 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle opt->color_filename); output_sep(opt, ':'); } - snprintf(buf, sizeof(buf), "%u\n", count); + xsnprintf(buf, sizeof(buf), "%u\n", count); opt->output(opt, buf, strlen(buf)); return 1; } @@ -1366,9 +1366,9 @@ static int handle_curl_result(struct slot_results *results) * FAILONERROR it is lost, so we can give only the numeric * status code. */ - snprintf(curl_errorstr, sizeof(curl_errorstr), - "The requested URL returned error: %ld", - results->http_code); + xsnprintf(curl_errorstr, sizeof(curl_errorstr), + "The requested URL returned error: %ld", + results->http_code); } if (results->curl_result == CURLE_OK) { @@ -1410,8 +1410,8 @@ int run_one_slot(struct active_request_slot *slot, { slot->results = results; if (!start_active_slot(slot)) { - snprintf(curl_errorstr, sizeof(curl_errorstr), - "failed to start HTTP request"); + xsnprintf(curl_errorstr, sizeof(curl_errorstr), + "failed to start HTTP request"); return HTTP_START_FAILED; } diff --git a/imap-send.c b/imap-send.c index 5c7e27a894..857591660f 100644 --- a/imap-send.c +++ b/imap-send.c @@ -964,7 +964,7 @@ static struct imap_store *imap_open_store(struct imap_server_conf *srvc, char *f int gai; char portstr[6]; - snprintf(portstr, sizeof(portstr), "%d", srvc->port); + xsnprintf(portstr, sizeof(portstr), "%d", srvc->port); memset(&hints, 0, sizeof(hints)); hints.ai_socktype = SOCK_STREAM; diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index 9705596014..e313f4f2bc 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c @@ -508,18 +508,16 @@ void bitmap_writer_finish(struct pack_idx_entry **index, const char *filename, uint16_t options) { - static char tmp_file[PATH_MAX]; static uint16_t default_version = 1; static uint16_t flags = BITMAP_OPT_FULL_DAG; + struct strbuf tmp_file = STRBUF_INIT; struct sha1file *f; struct bitmap_disk_header header; - int fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_bitmap_XXXXXX"); + int fd = odb_mkstemp(&tmp_file, "pack/tmp_bitmap_XXXXXX"); - if (fd < 0) - die_errno("unable to create '%s'", tmp_file); - f = sha1fd(fd, tmp_file); + f = sha1fd(fd, tmp_file.buf); memcpy(header.magic, BITMAP_IDX_SIGNATURE, sizeof(BITMAP_IDX_SIGNATURE)); header.version = htons(default_version); @@ -539,9 +537,11 @@ void bitmap_writer_finish(struct pack_idx_entry **index, sha1close(f, NULL, CSUM_FSYNC); - if (adjust_shared_perm(tmp_file)) + if (adjust_shared_perm(tmp_file.buf)) die_errno("unable to make temporary bitmap file readable"); - if (rename(tmp_file, filename)) + if (rename(tmp_file.buf, filename)) die_errno("unable to rename temporary bitmap file to '%s'", filename); + + strbuf_release(&tmp_file); } diff --git a/pack-write.c b/pack-write.c index c057513f12..fa97b72559 100644 --- a/pack-write.c +++ b/pack-write.c @@ -71,15 +71,15 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec f = sha1fd_check(index_name); } else { if (!index_name) { - static char tmp_file[PATH_MAX]; - fd = odb_mkstemp(tmp_file, sizeof(tmp_file), "pack/tmp_idx_XXXXXX"); - index_name = xstrdup(tmp_file); + struct strbuf tmp_file = STRBUF_INIT; + fd = odb_mkstemp(&tmp_file, "pack/tmp_idx_XXXXXX"); + index_name = strbuf_detach(&tmp_file, NULL); } else { unlink(index_name); fd = open(index_name, O_CREAT|O_EXCL|O_WRONLY, 0600); + if (fd < 0) + die_errno("unable to create '%s'", index_name); } - if (fd < 0) - die_errno("unable to create '%s'", index_name); f = sha1fd(fd, index_name); } @@ -329,11 +329,11 @@ int encode_in_pack_object_header(unsigned char *hdr, int hdr_len, struct sha1file *create_tmp_packfile(char **pack_tmp_name) { - char tmpname[PATH_MAX]; + struct strbuf tmpname = STRBUF_INIT; int fd; - fd = odb_mkstemp(tmpname, sizeof(tmpname), "pack/tmp_pack_XXXXXX"); - *pack_tmp_name = xstrdup(tmpname); + fd = odb_mkstemp(&tmpname, "pack/tmp_pack_XXXXXX"); + *pack_tmp_name = strbuf_detach(&tmpname, NULL); return sha1fd(fd, *pack_tmp_name); } @@ -429,29 +429,31 @@ int expand_ref(const char *str, int len, unsigned char *sha1, char **ref) { const char **p, *r; int refs_found = 0; + struct strbuf fullref = STRBUF_INIT; *ref = NULL; for (p = ref_rev_parse_rules; *p; p++) { - char fullref[PATH_MAX]; unsigned char sha1_from_ref[20]; unsigned char *this_result; int flag; this_result = refs_found ? sha1_from_ref : sha1; - mksnpath(fullref, sizeof(fullref), *p, len, str); - r = resolve_ref_unsafe(fullref, RESOLVE_REF_READING, + strbuf_reset(&fullref); + strbuf_addf(&fullref, *p, len, str); + r = resolve_ref_unsafe(fullref.buf, RESOLVE_REF_READING, this_result, &flag); if (r) { if (!refs_found++) *ref = xstrdup(r); if (!warn_ambiguous_refs) break; - } else if ((flag & REF_ISSYMREF) && strcmp(fullref, "HEAD")) { - warning("ignoring dangling symref %s.", fullref); - } else if ((flag & REF_ISBROKEN) && strchr(fullref, '/')) { - warning("ignoring broken ref %s.", fullref); + } else if ((flag & REF_ISSYMREF) && strcmp(fullref.buf, "HEAD")) { + warning("ignoring dangling symref %s.", fullref.buf); + } else if ((flag & REF_ISBROKEN) && strchr(fullref.buf, '/')) { + warning("ignoring broken ref %s.", fullref.buf); } } + strbuf_release(&fullref); return refs_found; } @@ -460,21 +462,22 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log) char *last_branch = substitute_branch_name(&str, &len); const char **p; int logs_found = 0; + struct strbuf path = STRBUF_INIT; *log = NULL; for (p = ref_rev_parse_rules; *p; p++) { unsigned char hash[20]; - char path[PATH_MAX]; const char *ref, *it; - mksnpath(path, sizeof(path), *p, len, str); - ref = resolve_ref_unsafe(path, RESOLVE_REF_READING, + strbuf_reset(&path); + strbuf_addf(&path, *p, len, str); + ref = resolve_ref_unsafe(path.buf, RESOLVE_REF_READING, hash, NULL); if (!ref) continue; - if (reflog_exists(path)) - it = path; - else if (strcmp(ref, path) && reflog_exists(ref)) + if (reflog_exists(path.buf)) + it = path.buf; + else if (strcmp(ref, path.buf) && reflog_exists(ref)) it = ref; else continue; @@ -485,6 +488,7 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **log) if (!warn_ambiguous_refs) break; } + strbuf_release(&path); free(last_branch); return logs_found; } @@ -944,6 +948,7 @@ char *shorten_unambiguous_ref(const char *refname, int strict) static char **scanf_fmts; static int nr_rules; char *short_name; + struct strbuf resolved_buf = STRBUF_INIT; if (!nr_rules) { /* @@ -1002,7 +1007,6 @@ char *shorten_unambiguous_ref(const char *refname, int strict) */ for (j = 0; j < rules_to_fail; j++) { const char *rule = ref_rev_parse_rules[j]; - char refname[PATH_MAX]; /* skip matched rule */ if (i == j) @@ -1013,9 +1017,10 @@ char *shorten_unambiguous_ref(const char *refname, int strict) * (with this previous rule) to a valid ref * read_ref() returns 0 on success */ - mksnpath(refname, sizeof(refname), - rule, short_name_len, short_name); - if (ref_exists(refname)) + strbuf_reset(&resolved_buf); + strbuf_addf(&resolved_buf, rule, + short_name_len, short_name); + if (ref_exists(resolved_buf.buf)) break; } @@ -1023,10 +1028,13 @@ char *shorten_unambiguous_ref(const char *refname, int strict) * short name is non-ambiguous if all previous rules * haven't resolved to a valid ref */ - if (j == rules_to_fail) + if (j == rules_to_fail) { + strbuf_release(&resolved_buf); return short_name; + } } + strbuf_release(&resolved_buf); free(short_name); return xstrdup(refname); } diff --git a/sha1_file.c b/sha1_file.c index 71063890ff..43990dec73 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -3762,8 +3762,8 @@ static int for_each_file_in_obj_subdir(int subdir_nr, char hex[GIT_SHA1_HEXSZ+1]; struct object_id oid; - snprintf(hex, sizeof(hex), "%02x%s", - subdir_nr, de->d_name); + xsnprintf(hex, sizeof(hex), "%02x%s", + subdir_nr, de->d_name); if (!get_oid_hex(hex, &oid)) { if (obj_cb) { r = obj_cb(&oid, path->buf, data); diff --git a/submodule.c b/submodule.c index c52d6634c5..83b13b8ff5 100644 --- a/submodule.c +++ b/submodule.c @@ -1436,7 +1436,7 @@ static int find_first_merges(struct object_array *result, const char *path, memset(&rev_opts, 0, sizeof(rev_opts)); /* get all revisions that merge commit a */ - snprintf(merged_revision, sizeof(merged_revision), "^%s", + xsnprintf(merged_revision, sizeof(merged_revision), "^%s", oid_to_hex(&a->object.oid)); init_revisions(&revs, NULL); rev_opts.submodule = path; diff --git a/transport-helper.c b/transport-helper.c index dc90a1fb76..36408046eb 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -347,14 +347,11 @@ static int set_helper_option(struct transport *transport, static void standard_options(struct transport *t) { char buf[16]; - int n; int v = t->verbose; set_helper_option(t, "progress", t->progress ? "true" : "false"); - n = snprintf(buf, sizeof(buf), "%d", v + 1); - if (n >= sizeof(buf)) - die("impossibly large verbosity value"); + xsnprintf(buf, sizeof(buf), "%d", v + 1); set_helper_option(t, "verbosity", buf); switch (t->family) { |