We're about to enable `-Wwrite-strings`, which changes the type of string constants to `const char[]`. Fix various sites where we assign such constants to non-const variables. Signed-off-by: Patrick Steinhardt <ps@xxxxxx> --- builtin/bisect.c | 3 ++- builtin/blame.c | 2 +- builtin/bugreport.c | 2 +- builtin/check-ignore.c | 4 +-- builtin/clone.c | 6 ++--- builtin/commit.c | 6 ++--- builtin/diagnose.c | 2 +- builtin/log.c | 2 +- builtin/mailsplit.c | 4 +-- builtin/pull.c | 52 ++++++++++++++++++------------------ builtin/receive-pack.c | 4 +-- builtin/revert.c | 2 +- compat/regex/regcomp.c | 2 +- diff.c | 4 +-- diffcore-rename.c | 6 ++--- fmt-merge-msg.c | 2 +- fsck.c | 2 +- fsck.h | 2 +- gpg-interface.c | 2 +- http-backend.c | 2 +- imap-send.c | 6 ++--- pretty.c | 2 +- refs.c | 2 +- refs.h | 2 +- reftable/record.c | 6 ++--- run-command.c | 2 +- t/helper/test-hashmap.c | 3 ++- t/helper/test-json-writer.c | 10 +++---- t/helper/test-regex.c | 4 +-- t/helper/test-rot13-filter.c | 5 ++-- t/unit-tests/t-strbuf.c | 10 ++++--- trailer.c | 2 +- wt-status.c | 2 +- 33 files changed, 86 insertions(+), 81 deletions(-) diff --git a/builtin/bisect.c b/builtin/bisect.c index a58432b9d9..dabce9b542 100644 --- a/builtin/bisect.c +++ b/builtin/bisect.c @@ -262,7 +262,8 @@ static int bisect_reset(const char *commit) return bisect_clean_state(); } -static void log_commit(FILE *fp, char *fmt, const char *state, +static void log_commit(FILE *fp, + const char *fmt, const char *state, struct commit *commit) { struct pretty_print_context pp = {0}; diff --git a/builtin/blame.c b/builtin/blame.c index 838cd476be..98c7629b6a 100644 --- a/builtin/blame.c +++ b/builtin/blame.c @@ -134,7 +134,7 @@ static void get_ac_line(const char *inbuf, const char *what, { struct ident_split ident; size_t len, maillen, namelen; - char *tmp, *endp; + const char *tmp, *endp; const char *namebuf, *mailbuf; tmp = strstr(inbuf, what); diff --git a/builtin/bugreport.c b/builtin/bugreport.c index 25f860a0d9..b3cc77af53 100644 --- a/builtin/bugreport.c +++ b/builtin/bugreport.c @@ -107,7 +107,7 @@ int cmd_bugreport(int argc, const char **argv, const char *prefix) struct tm tm; enum diagnose_mode diagnose = DIAGNOSE_NONE; char *option_output = NULL; - char *option_suffix = "%Y-%m-%d-%H%M"; + const char *option_suffix = "%Y-%m-%d-%H%M"; const char *user_relative_path = NULL; char *prefixed_filename; size_t output_path_len; diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c index 6c43430ec4..2bda6a1d46 100644 --- a/builtin/check-ignore.c +++ b/builtin/check-ignore.c @@ -35,8 +35,8 @@ static const struct option check_ignore_options[] = { static void output_pattern(const char *path, struct path_pattern *pattern) { - char *bang = (pattern && pattern->flags & PATTERN_FLAG_NEGATIVE) ? "!" : ""; - char *slash = (pattern && pattern->flags & PATTERN_FLAG_MUSTBEDIR) ? "/" : ""; + const char *bang = (pattern && pattern->flags & PATTERN_FLAG_NEGATIVE) ? "!" : ""; + const char *slash = (pattern && pattern->flags & PATTERN_FLAG_MUSTBEDIR) ? "/" : ""; if (!nul_term_line) { if (!verbose) { write_name_quoted(path, stdout, '\n'); diff --git a/builtin/clone.c b/builtin/clone.c index 23993b905b..92ab7d7165 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -71,7 +71,7 @@ static char *option_branch = NULL; static struct string_list option_not = STRING_LIST_INIT_NODUP; static const char *real_git_dir; static const char *ref_format; -static char *option_upload_pack = "git-upload-pack"; +static const char *option_upload_pack = "git-upload-pack"; static int option_verbosity; static int option_progress = -1; static int option_sparse_checkout; @@ -177,8 +177,8 @@ static struct option builtin_clone_options[] = { static const char *get_repo_path_1(struct strbuf *path, int *is_bundle) { - static char *suffix[] = { "/.git", "", ".git/.git", ".git" }; - static char *bundle_suffix[] = { ".bundle", "" }; + static const char *suffix[] = { "/.git", "", ".git/.git", ".git" }; + static const char *bundle_suffix[] = { ".bundle", "" }; size_t baselen = path->len; struct stat st; int i; diff --git a/builtin/commit.c b/builtin/commit.c index f53e7e86ff..75c741173e 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -113,7 +113,7 @@ static char *template_file; * the commit message and/or authorship. */ static const char *author_message, *author_message_buffer; -static char *edit_message, *use_message; +static const char *edit_message, *use_message; static char *fixup_message, *fixup_commit, *squash_message; static const char *fixup_prefix; static int all, also, interactive, patch_interactive, only, amend, signoff; @@ -121,8 +121,8 @@ static int edit_flag = -1; /* unspecified */ static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship; static int config_commit_verbose = -1; /* unspecified */ static int no_post_rewrite, allow_empty_message, pathspec_file_nul; -static char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg; -static char *sign_commit, *pathspec_from_file; +static const char *untracked_files_arg, *force_date, *ignore_submodule_arg, *ignored_arg; +static const char *sign_commit, *pathspec_from_file; static struct strvec trailer_args = STRVEC_INIT; /* diff --git a/builtin/diagnose.c b/builtin/diagnose.c index 4f22eb2b55..4857a4395b 100644 --- a/builtin/diagnose.c +++ b/builtin/diagnose.c @@ -18,7 +18,7 @@ int cmd_diagnose(int argc, const char **argv, const char *prefix) struct tm tm; enum diagnose_mode mode = DIAGNOSE_STATS; char *option_output = NULL; - char *option_suffix = "%Y-%m-%d-%H%M"; + const char *option_suffix = "%Y-%m-%d-%H%M"; char *prefixed_filename; const struct option diagnose_options[] = { diff --git a/builtin/log.c b/builtin/log.c index 78a247d8a9..b8846a9458 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -1283,7 +1283,7 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) o2->flags = flags2; } -static void gen_message_id(struct rev_info *info, char *base) +static void gen_message_id(struct rev_info *info, const char *base) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "%s.%"PRItime".git.%s", base, diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c index 3af9ddb8ae..fe6dbc5d05 100644 --- a/builtin/mailsplit.c +++ b/builtin/mailsplit.c @@ -113,8 +113,8 @@ static int populate_maildir_list(struct string_list *list, const char *path) DIR *dir; struct dirent *dent; char *name = NULL; - char *subs[] = { "cur", "new", NULL }; - char **sub; + const char *subs[] = { "cur", "new", NULL }; + const char **sub; int ret = -1; for (sub = subs; *sub; ++sub) { diff --git a/builtin/pull.c b/builtin/pull.c index d622202bce..2d0429f14f 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -71,48 +71,48 @@ static const char * const pull_usage[] = { /* Shared options */ static int opt_verbosity; -static char *opt_progress; +static const char *opt_progress; static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT; static int recurse_submodules_cli = RECURSE_SUBMODULES_DEFAULT; /* Options passed to git-merge or git-rebase */ static enum rebase_type opt_rebase = -1; -static char *opt_diffstat; -static char *opt_log; -static char *opt_signoff; -static char *opt_squash; -static char *opt_commit; -static char *opt_edit; -static char *cleanup_arg; -static char *opt_ff; -static char *opt_verify_signatures; -static char *opt_verify; +static const char *opt_diffstat; +static const char *opt_log; +static const char *opt_signoff; +static const char *opt_squash; +static const char *opt_commit; +static const char *opt_edit; +static const char *cleanup_arg; +static const char *opt_ff; +static const char *opt_verify_signatures; +static const char *opt_verify; static int opt_autostash = -1; static int config_autostash; static int check_trust_level = 1; static struct strvec opt_strategies = STRVEC_INIT; static struct strvec opt_strategy_opts = STRVEC_INIT; -static char *opt_gpg_sign; +static const char *opt_gpg_sign; static int opt_allow_unrelated_histories; /* Options passed to git-fetch */ -static char *opt_all; -static char *opt_append; -static char *opt_upload_pack; +static const char *opt_all; +static const char *opt_append; +static const char *opt_upload_pack; static int opt_force; -static char *opt_tags; -static char *opt_prune; -static char *max_children; +static const char *opt_tags; +static const char *opt_prune; +static const char *max_children; static int opt_dry_run; -static char *opt_keep; -static char *opt_depth; -static char *opt_unshallow; -static char *opt_update_shallow; -static char *opt_refmap; -static char *opt_ipv4; -static char *opt_ipv6; +static const char *opt_keep; +static const char *opt_depth; +static const char *opt_unshallow; +static const char *opt_update_shallow; +static const char *opt_refmap; +static const char *opt_ipv4; +static const char *opt_ipv6; static int opt_show_forced_updates = -1; -static char *set_upstream; +static const char *set_upstream; static struct strvec opt_fetch = STRVEC_INIT; static struct option pull_options[] = { diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 01c1f04ece..c8d12ee0a7 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1249,7 +1249,7 @@ static int run_proc_receive_hook(struct command *commands, return code; } -static char *refuse_unconfigured_deny_msg = +static const char *refuse_unconfigured_deny_msg = N_("By default, updating the current branch in a non-bare repository\n" "is denied, because it will make the index and work tree inconsistent\n" "with what you pushed, and will require 'git reset --hard' to match\n" @@ -1269,7 +1269,7 @@ static void refuse_unconfigured_deny(void) rp_error("%s", _(refuse_unconfigured_deny_msg)); } -static char *refuse_unconfigured_deny_delete_current_msg = +static const char *refuse_unconfigured_deny_delete_current_msg = N_("By default, deleting the current branch is denied, because the next\n" "'git clone' won't result in any file checked out, causing confusion.\n" "\n" diff --git a/builtin/revert.c b/builtin/revert.c index 53935d2c68..7bf2b4e11d 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -179,7 +179,7 @@ static int run_sequencer(int argc, const char **argv, const char *prefix, /* Check for incompatible command line arguments */ if (cmd) { - char *this_operation; + const char *this_operation; if (cmd == 'q') this_operation = "--quit"; else if (cmd == 'c') diff --git a/compat/regex/regcomp.c b/compat/regex/regcomp.c index 2bc0f1187a..6c5d455e92 100644 --- a/compat/regex/regcomp.c +++ b/compat/regex/regcomp.c @@ -848,7 +848,7 @@ init_dfa (re_dfa_t *dfa, size_t pat_len) { unsigned int table_size; #ifndef _LIBC - char *codeset_name; + const char *codeset_name; #endif memset (dfa, '\0', sizeof (re_dfa_t)); diff --git a/diff.c b/diff.c index e70301df76..ffd867ef6c 100644 --- a/diff.c +++ b/diff.c @@ -3764,7 +3764,7 @@ static void builtin_diff(const char *name_a, return; } -static char *get_compact_summary(const struct diff_filepair *p, int is_renamed) +static const char *get_compact_summary(const struct diff_filepair *p, int is_renamed) { if (!is_renamed) { if (p->status == DIFF_STATUS_ADDED) { @@ -4076,7 +4076,7 @@ static int reuse_worktree_file(struct index_state *istate, static int diff_populate_gitlink(struct diff_filespec *s, int size_only) { struct strbuf buf = STRBUF_INIT; - char *dirty = ""; + const char *dirty = ""; /* Are we looking at the work tree? */ if (s->dirty_submodule) diff --git a/diffcore-rename.c b/diffcore-rename.c index 5a6e2bcac7..0e1adb87df 100644 --- a/diffcore-rename.c +++ b/diffcore-rename.c @@ -406,7 +406,7 @@ static const char *get_highest_rename_path(struct strintmap *counts) return highest_destination_dir; } -static char *UNKNOWN_DIR = "/"; /* placeholder -- short, illegal directory */ +static const char *UNKNOWN_DIR = "/"; /* placeholder -- short, illegal directory */ static int dir_rename_already_determinable(struct strintmap *counts) { @@ -429,8 +429,8 @@ static int dir_rename_already_determinable(struct strintmap *counts) } static void increment_count(struct dir_rename_info *info, - char *old_dir, - char *new_dir) + const char *old_dir, + const char *new_dir) { struct strintmap *counts; struct strmap_entry *e; diff --git a/fmt-merge-msg.c b/fmt-merge-msg.c index 7d144b803a..5af63ab5ab 100644 --- a/fmt-merge-msg.c +++ b/fmt-merge-msg.c @@ -447,7 +447,7 @@ static void fmt_merge_msg_title(struct strbuf *out, const char *current_branch) { int i = 0; - char *sep = ""; + const char *sep = ""; strbuf_addstr(out, "Merge "); for (i = 0; i < srcs.nr; i++) { diff --git a/fsck.c b/fsck.c index 7dff41413e..61cd48aa25 100644 --- a/fsck.c +++ b/fsck.c @@ -1231,7 +1231,7 @@ int fsck_object(struct object *obj, void *data, unsigned long size, } int fsck_buffer(const struct object_id *oid, enum object_type type, - void *data, unsigned long size, + const void *data, unsigned long size, struct fsck_options *options) { if (type == OBJ_BLOB) diff --git a/fsck.h b/fsck.h index 17fa2dda5d..4f0c4e6479 100644 --- a/fsck.h +++ b/fsck.h @@ -202,7 +202,7 @@ int fsck_object(struct object *obj, void *data, unsigned long size, * struct. */ int fsck_buffer(const struct object_id *oid, enum object_type, - void *data, unsigned long size, + const void *data, unsigned long size, struct fsck_options *options); /* diff --git a/gpg-interface.c b/gpg-interface.c index 5193223714..71a9382a61 100644 --- a/gpg-interface.c +++ b/gpg-interface.c @@ -727,7 +727,7 @@ static int git_gpg_config(const char *var, const char *value, void *cb UNUSED) { struct gpg_format *fmt = NULL; - char *fmtname = NULL; + const char *fmtname = NULL; char *trust; int ret; diff --git a/http-backend.c b/http-backend.c index 5b65287ac9..5b4dca65ed 100644 --- a/http-backend.c +++ b/http-backend.c @@ -753,7 +753,7 @@ static int bad_request(struct strbuf *hdr, const struct service_cmd *c) int cmd_main(int argc UNUSED, const char **argv UNUSED) { - char *method = getenv("REQUEST_METHOD"); + const char *method = getenv("REQUEST_METHOD"); const char *proto_header; char *dir; struct service_cmd *cmd = NULL; diff --git a/imap-send.c b/imap-send.c index a5d1510180..8b723b34a5 100644 --- a/imap-send.c +++ b/imap-send.c @@ -1215,9 +1215,9 @@ static int imap_store_msg(struct imap_store *ctx, struct strbuf *msg) static void wrap_in_html(struct strbuf *msg) { struct strbuf buf = STRBUF_INIT; - static char *content_type = "Content-Type: text/html;\n"; - static char *pre_open = "<pre>\n"; - static char *pre_close = "</pre>\n"; + static const char *content_type = "Content-Type: text/html;\n"; + static const char *pre_open = "<pre>\n"; + static const char *pre_close = "</pre>\n"; const char *body = strstr(msg->buf, "\n\n"); if (!body) diff --git a/pretty.c b/pretty.c index 22a81506b7..ec05db5655 100644 --- a/pretty.c +++ b/pretty.c @@ -1325,7 +1325,7 @@ int format_set_trailers_options(struct process_trailer_options *opts, static size_t parse_describe_args(const char *start, struct strvec *args) { struct { - char *name; + const char *name; enum { DESCRIBE_ARG_BOOL, DESCRIBE_ARG_INTEGER, diff --git a/refs.c b/refs.c index 8260c27cde..292e8d947e 100644 --- a/refs.c +++ b/refs.c @@ -159,7 +159,7 @@ void update_ref_namespace(enum ref_namespace namespace, char *ref) { struct ref_namespace_info *info = &ref_namespace[namespace]; if (info->ref_updated) - free(info->ref); + free((char *)info->ref); info->ref = ref; info->ref_updated = 1; } diff --git a/refs.h b/refs.h index 34568ee1fb..923f751d18 100644 --- a/refs.h +++ b/refs.h @@ -975,7 +975,7 @@ struct ref_store *get_worktree_ref_store(const struct worktree *wt); */ struct ref_namespace_info { - char *ref; + const char *ref; enum decoration_type decoration; /* diff --git a/reftable/record.c b/reftable/record.c index 5506f3e913..a2cba5ef74 100644 --- a/reftable/record.c +++ b/reftable/record.c @@ -116,7 +116,7 @@ static int decode_string(struct strbuf *dest, struct string_view in) return start_len - in.len; } -static int encode_string(char *str, struct string_view s) +static int encode_string(const char *str, struct string_view s) { struct string_view start = s; int l = strlen(str); @@ -969,9 +969,9 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, return REFTABLE_FORMAT_ERROR; } -static int null_streq(char *a, char *b) +static int null_streq(const char *a, const char *b) { - char *empty = ""; + const char *empty = ""; if (!a) a = empty; diff --git a/run-command.c b/run-command.c index 1b821042b4..7600531fb6 100644 --- a/run-command.c +++ b/run-command.c @@ -663,7 +663,7 @@ int start_command(struct child_process *cmd) int need_in, need_out, need_err; int fdin[2], fdout[2], fderr[2]; int failed_errno; - char *str; + const char *str; /* * In case of errors we must keep the promise to close FDs diff --git a/t/helper/test-hashmap.c b/t/helper/test-hashmap.c index 0eb0b3d49c..2912899558 100644 --- a/t/helper/test-hashmap.c +++ b/t/helper/test-hashmap.c @@ -36,7 +36,8 @@ static int test_entry_cmp(const void *cmp_data, } static struct test_entry *alloc_test_entry(unsigned int hash, - char *key, char *value) + const char *key, + const char *value) { size_t klen = strlen(key); size_t vlen = strlen(value); diff --git a/t/helper/test-json-writer.c b/t/helper/test-json-writer.c index afe393f597..ed52eb76bf 100644 --- a/t/helper/test-json-writer.c +++ b/t/helper/test-json-writer.c @@ -174,7 +174,7 @@ static void make_arr4(int pretty) jw_end(&arr4); } -static char *expect_nest1 = +static const char *expect_nest1 = "{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}"; static struct json_writer nest1 = JSON_WRITER_INIT; @@ -195,10 +195,10 @@ static void make_nest1(int pretty) jw_release(&arr1); } -static char *expect_inline1 = +static const char *expect_inline1 = "{\"obj1\":{\"a\":\"abc\",\"b\":42,\"c\":true},\"arr1\":[\"abc\",42,true]}"; -static char *pretty_inline1 = +static const char *pretty_inline1 = ("{\n" " \"obj1\": {\n" " \"a\": \"abc\",\n" @@ -236,10 +236,10 @@ static void make_inline1(int pretty) jw_end(&inline1); } -static char *expect_inline2 = +static const char *expect_inline2 = "[[1,2],[3,4],{\"a\":\"abc\"}]"; -static char *pretty_inline2 = +static const char *pretty_inline2 = ("[\n" " [\n" " 1,\n" diff --git a/t/helper/test-regex.c b/t/helper/test-regex.c index 80042eafc2..366bd70976 100644 --- a/t/helper/test-regex.c +++ b/t/helper/test-regex.c @@ -20,8 +20,8 @@ static struct reg_flag reg_flags[] = { static int test_regex_bug(void) { - char *pat = "[^={} \t]+"; - char *str = "={}\nfred"; + const char *pat = "[^={} \t]+"; + const char *str = "={}\nfred"; regex_t r; regmatch_t m[1]; diff --git a/t/helper/test-rot13-filter.c b/t/helper/test-rot13-filter.c index f8d564c622..7e1d9e0ee4 100644 --- a/t/helper/test-rot13-filter.c +++ b/t/helper/test-rot13-filter.c @@ -136,7 +136,7 @@ static void free_delay_entries(void) strmap_clear(&delay, 0); } -static void add_delay_entry(char *pathname, int count, int requested) +static void add_delay_entry(const char *pathname, int count, int requested) { struct delay_entry *entry = xcalloc(1, sizeof(*entry)); entry->count = count; @@ -189,7 +189,8 @@ static void reply_list_available_blobs_cmd(void) static void command_loop(void) { for (;;) { - char *buf, *output; + char *buf; + const char *output; char *pathname; struct delay_entry *entry; struct strbuf input = STRBUF_INIT; diff --git a/t/unit-tests/t-strbuf.c b/t/unit-tests/t-strbuf.c index de434a4441..6027dafef7 100644 --- a/t/unit-tests/t-strbuf.c +++ b/t/unit-tests/t-strbuf.c @@ -2,7 +2,8 @@ #include "strbuf.h" /* wrapper that supplies tests with an empty, initialized strbuf */ -static void setup(void (*f)(struct strbuf*, void*), void *data) +static void setup(void (*f)(struct strbuf*, const void*), + const void *data) { struct strbuf buf = STRBUF_INIT; @@ -13,7 +14,8 @@ static void setup(void (*f)(struct strbuf*, void*), void *data) } /* wrapper that supplies tests with a populated, initialized strbuf */ -static void setup_populated(void (*f)(struct strbuf*, void*), char *init_str, void *data) +static void setup_populated(void (*f)(struct strbuf*, const void*), + const char *init_str, const void *data) { struct strbuf buf = STRBUF_INIT; @@ -64,7 +66,7 @@ static void t_dynamic_init(void) strbuf_release(&buf); } -static void t_addch(struct strbuf *buf, void *data) +static void t_addch(struct strbuf *buf, const void *data) { const char *p_ch = data; const char ch = *p_ch; @@ -83,7 +85,7 @@ static void t_addch(struct strbuf *buf, void *data) check_char(buf->buf[buf->len], ==, '\0'); } -static void t_addstr(struct strbuf *buf, void *data) +static void t_addstr(struct strbuf *buf, const void *data) { const char *text = data; size_t len = strlen(text); diff --git a/trailer.c b/trailer.c index 2bcb9ba8f7..72e5136c73 100644 --- a/trailer.c +++ b/trailer.c @@ -63,7 +63,7 @@ struct arg_item { static LIST_HEAD(conf_head); -static char *separators = ":"; +static const char *separators = ":"; static int configured; diff --git a/wt-status.c b/wt-status.c index ff4be071ca..7912545e4e 100644 --- a/wt-status.c +++ b/wt-status.c @@ -2408,7 +2408,7 @@ static void wt_porcelain_v2_print_unmerged_entry( int mode; struct object_id oid; } stages[3]; - char *key; + const char *key; char submodule_token[5]; char unmerged_prefix = 'u'; char eol_char = s->null_termination ? '\0' : '\n'; -- 2.45.1.313.g3a57aa566a.dirty
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