From: Junio C Hamano Date: Mon, 27 Oct 2008 05:24:44 +0000 (-0700) Subject: Merge branch 'ar/maint-mksnpath' into HEAD X-Git-Tag: v1.6.1-rc1~84^2~2 X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/356af64d84076baaf90b0bf8adb7245771264e5a?ds=inline;hp=-c Merge branch 'ar/maint-mksnpath' into HEAD * ar/maint-mksnpath: Fix potentially dangerous uses of mkpath and git_path Fix mkpath abuse in dwim_ref and dwim_log of sha1_name.c Add mksnpath which allows you to specify the output buffer --- 356af64d84076baaf90b0bf8adb7245771264e5a diff --combined builtin-apply.c index cfd8fceb90,50b623e54c..4c4d1e1774 --- a/builtin-apply.c +++ b/builtin-apply.c @@@ -321,12 -321,13 +321,12 @@@ static char *find_name(const char *line const char *start = line; if (*line == '"') { - struct strbuf name; + struct strbuf name = STRBUF_INIT; /* * Proposed "new-style" GNU patch/diff format; see * http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2 */ - strbuf_init(&name, 0); if (!unquote_c_style(&name, line, NULL)) { char *cp; @@@ -674,8 -675,11 +674,8 @@@ static char *git_header_name(char *line if (*line == '"') { const char *cp; - struct strbuf first; - struct strbuf sp; - - strbuf_init(&first, 0); - strbuf_init(&sp, 0); + struct strbuf first = STRBUF_INIT; + struct strbuf sp = STRBUF_INIT; if (unquote_c_style(&first, line, &second)) goto free_and_fail1; @@@ -737,9 -741,10 +737,9 @@@ */ for (second = name; second < line + llen; second++) { if (*second == '"') { - struct strbuf sp; + struct strbuf sp = STRBUF_INIT; const char *np; - strbuf_init(&sp, 0); if (unquote_c_style(&sp, second, NULL)) goto free_and_fail2; @@@ -1510,10 -1515,11 +1510,10 @@@ static const char minuses[] static void show_stats(struct patch *patch) { - struct strbuf qname; + struct strbuf qname = STRBUF_INIT; char *cp = patch->new_name ? patch->new_name : patch->old_name; int max, add, del; - strbuf_init(&qname, 0); quote_c_style(cp, &qname, NULL, 0); /* @@@ -2293,12 -2299,14 +2293,12 @@@ static void add_to_fn_table(struct patc static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *ce) { - struct strbuf buf; + struct strbuf buf = STRBUF_INIT; struct image image; size_t len; char *img; struct patch *tpatch; - strbuf_init(&buf, 0); - if (!(patch->is_copy || patch->is_rename) && ((tpatch = in_fn_table(patch->old_name)) != NULL)) { if (tpatch == (struct patch *) -1) { @@@ -2778,7 -2786,7 +2778,7 @@@ static void add_index_file(const char * static int try_create_file(const char *path, unsigned int mode, const char *buf, unsigned long size) { int fd; - struct strbuf nbuf; + struct strbuf nbuf = STRBUF_INIT; if (S_ISGITLINK(mode)) { struct stat st; @@@ -2797,6 -2805,7 +2797,6 @@@ if (fd < 0) return -1; - strbuf_init(&nbuf, 0); if (convert_to_working_tree(path, buf, size, &nbuf)) { size = nbuf.len; buf = nbuf.buf; @@@ -2841,8 -2850,8 +2841,8 @@@ static void create_one_file(char *path unsigned int nr = getpid(); for (;;) { - const char *newpath; - newpath = mkpath("%s~%u", path, nr); + char newpath[PATH_MAX]; + mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr); if (!try_create_file(newpath, mode, buf, size)) { if (!rename(newpath, path)) return; @@@ -2987,45 -2996,29 +2987,45 @@@ static int write_out_results(struct pat static struct lock_file lock_file; -static struct excludes { - struct excludes *next; - const char *path; -} *excludes; +static struct string_list limit_by_name; +static int has_include; +static void add_name_limit(const char *name, int exclude) +{ + struct string_list_item *it; + + it = string_list_append(name, &limit_by_name); + it->util = exclude ? NULL : (void *) 1; +} static int use_patch(struct patch *p) { 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) - return 0; - x = x->next; - } + int i; + + /* Paths outside are not touched regardless of "--include" */ if (0 < prefix_length) { int pathlen = strlen(pathname); if (pathlen <= prefix_length || memcmp(prefix, pathname, prefix_length)) return 0; } - return 1; + + /* See if it matches any of exclude/include rule */ + for (i = 0; i < limit_by_name.nr; i++) { + struct string_list_item *it = &limit_by_name.items[i]; + if (!fnmatch(it->string, pathname, 0)) + return (it->util != NULL); + } + + /* + * If we had any include, a path that does not match any rule is + * not used. Otherwise, we saw bunch of exclude rules (or none) + * and such a path is used. + */ + return !has_include; } + static void prefix_one(char **name) { char *old_name = *name; @@@ -3058,12 -3051,13 +3058,12 @@@ static void prefix_patches(struct patc static int apply_patch(int fd, const char *filename, int options) { size_t offset; - struct strbuf buf; + struct strbuf buf = STRBUF_INIT; struct patch *list = NULL, **listp = &list; int skipped_patch = 0; /* FIXME - memory leak when using multiple patch files as inputs */ memset(&fn_table, 0, sizeof(struct string_list)); - strbuf_init(&buf, 0); patch_input_file = filename; read_patch_file(&buf, fd); offset = 0; @@@ -3165,12 -3159,10 +3165,12 @@@ int cmd_apply(int argc, const char **ar continue; } if (!prefixcmp(arg, "--exclude=")) { - struct excludes *x = xmalloc(sizeof(*x)); - x->path = arg + 10; - x->next = excludes; - excludes = x; + add_name_limit(arg + 10, 1); + continue; + } + if (!prefixcmp(arg, "--include=")) { + add_name_limit(arg + 10, 0); + has_include = 1; continue; } if (!prefixcmp(arg, "-p")) { diff --combined cache.h index b0edbf9b9f,aea13b0822..629cdf3971 --- a/cache.h +++ b/cache.h @@@ -6,14 -6,8 +6,14 @@@ #include "hash.h" #include SHA1_HEADER -#include +#ifndef git_SHA_CTX +#define git_SHA_CTX SHA_CTX +#define git_SHA1_Init SHA1_Init +#define git_SHA1_Update SHA1_Update +#define git_SHA1_Final SHA1_Final +#endif +#include #if defined(NO_DEFLATE_BOUND) || ZLIB_VERNUM < 0x1200 #define deflateBound(c,s) ((s) + (((s) + 7) >> 3) + (((s) + 63) >> 6) + 11) #endif @@@ -132,7 -126,6 +132,7 @@@ struct cache_entry #define CE_NAMEMASK (0x0fff) #define CE_STAGEMASK (0x3000) +#define CE_EXTENDED (0x4000) #define CE_VALID (0x8000) #define CE_STAGESHIFT 12 @@@ -277,7 -270,6 +277,7 @@@ static inline void remove_name_hash(str #define ce_match_stat(ce, st, options) ie_match_stat(&the_index, (ce), (st), (options)) #define ce_modified(ce, st, options) ie_modified(&the_index, (ce), (st), (options)) #define cache_name_exists(name, namelen, igncase) index_name_exists(&the_index, (name), (namelen), (igncase)) +#define cache_name_is_other(name, namelen) index_name_is_other(&the_index, (name), (namelen)) #endif enum object_type { @@@ -320,7 -312,6 +320,7 @@@ extern int is_bare_repository(void) extern int is_inside_git_dir(void); extern char *git_work_tree_cfg; extern int is_inside_work_tree(void); +extern int have_git_dir(void); extern const char *get_git_dir(void); extern char *get_object_directory(void); extern char *get_index_file(void); @@@ -379,7 -370,6 +379,7 @@@ extern int index_name_pos(const struct #define ADD_CACHE_OK_TO_REPLACE 2 /* Ok to replace file/directory */ #define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */ #define ADD_CACHE_JUST_APPEND 8 /* Append only; tree.c::read_tree() */ +#define ADD_CACHE_NEW_ONLY 16 /* Do not replace existing ones */ extern int add_index_entry(struct index_state *, struct cache_entry *ce, int option); extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really); extern void rename_index_entry_at(struct index_state *, int pos, const char *new_name); @@@ -388,13 -378,10 +388,13 @@@ extern int remove_file_from_index(struc #define ADD_CACHE_VERBOSE 1 #define ADD_CACHE_PRETEND 2 #define ADD_CACHE_IGNORE_ERRORS 4 +#define ADD_CACHE_IGNORE_REMOVAL 8 +#define ADD_CACHE_INTENT 16 extern int add_to_index(struct index_state *, const char *path, struct stat *, int flags); extern int add_file_to_index(struct index_state *, const char *path, int flags); extern struct cache_entry *make_cache_entry(unsigned int mode, const unsigned char *sha1, const char *path, int stage, int refresh); extern int ce_same_name(struct cache_entry *a, struct cache_entry *b); +extern int index_name_is_other(const struct index_state *, const char *, int); /* do stat comparison even if CE_VALID is true */ #define CE_MATCH_IGNORE_VALID 01 @@@ -405,6 -392,7 +405,6 @@@ extern int ie_modified(const struct ind extern int ce_path_match(const struct cache_entry *ce, const char **pathspec); extern int index_fd(unsigned char *sha1, int fd, struct stat *st, int write_object, enum object_type type, const char *path); -extern int index_pipe(unsigned char *sha1, int fd, const char *type, int write_object); extern int index_path(unsigned char *sha1, const char *path, struct stat *st, int write_object); extern void fill_stat_cache_info(struct cache_entry *ce, struct stat *st); @@@ -423,8 -411,6 +423,8 @@@ struct lock_file char on_list; char filename[PATH_MAX]; }; +#define LOCK_DIE_ON_ERROR 1 +#define LOCK_NODEREF 2 extern int hold_lock_file_for_update(struct lock_file *, const char *path, int); extern int hold_lock_file_for_append(struct lock_file *, const char *path, int); extern int commit_lock_file(struct lock_file *); @@@ -466,7 -452,6 +466,7 @@@ enum safe_crlf extern enum safe_crlf safe_crlf; enum branch_track { + BRANCH_TRACK_UNSPECIFIED = -1, BRANCH_TRACK_NEVER = 0, BRANCH_TRACK_REMOTE, BRANCH_TRACK_ALWAYS, @@@ -495,6 -480,9 +495,9 @@@ extern int check_repository_format(void #define DATA_CHANGED 0x0020 #define TYPE_CHANGED 0x0040 + extern char *mksnpath(char *buf, size_t n, const char *fmt, ...) + __attribute__((format (printf, 3, 4))); + /* Return a statically allocated filename matching the sha1 signature */ extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2))); extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2))); @@@ -519,7 -507,6 +522,7 @@@ static inline void hashclr(unsigned cha { memset(hash, 0, 20); } +extern int is_empty_blob_sha1(const unsigned char *sha1); int git_mkstemp(char *path, size_t n, const char *template); @@@ -547,7 -534,6 +550,7 @@@ static inline int is_absolute_path(cons { return path[0] == '/' || has_dos_drive_prefix(path); } +int is_directory(const char *); const char *make_absolute_path(const char *path); const char *make_nonrelative_path(const char *path); const char *make_relative_path(const char *abs, const char *base); @@@ -655,8 -641,6 +658,8 @@@ extern struct alternate_object_databas } *alt_odb_list; extern void prepare_alt_odb(void); extern void add_to_alternates_file(const char *reference); +typedef int alt_odb_fn(struct alternate_object_database *, void *); +extern void foreach_alt_odb(alt_odb_fn, void*); struct pack_window { struct pack_window *next; @@@ -725,11 -709,7 +728,11 @@@ extern struct child_process *git_connec extern int finish_connect(struct child_process *conn); extern int path_match(const char *path, int nr, char **match); extern int get_ack(int fd, unsigned char *result_sha1); -extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags); +struct extra_have_objects { + int nr, alloc; + unsigned char (*array)[20]; +}; +extern struct ref **get_remote_heads(int in, struct ref **list, int nr_match, char **match, unsigned int flags, struct extra_have_objects *); extern int server_supports(const char *feature); extern struct packed_git *parse_pack_index(unsigned char *sha1); @@@ -763,6 -743,7 +766,6 @@@ typedef int (*config_fn_t)(const char * extern int git_default_config(const char *, const char *, void *); extern int git_config_from_file(config_fn_t fn, const char *, void *); extern int git_config(config_fn_t fn, void *); -extern int git_parse_long(const char *, long *); extern int git_parse_ulong(const char *, unsigned long *); extern int git_config_int(const char *, const char *); extern unsigned long git_config_ulong(const char *, const char *); diff --combined sha1_name.c index 41b680915d,75a5a7e96f..159c2ab84f --- a/sha1_name.c +++ b/sha1_name.c @@@ -245,11 -245,13 +245,13 @@@ int dwim_ref(const char *str, int len, *ref = NULL; for (p = ref_rev_parse_rules; *p; p++) { + char fullref[PATH_MAX]; unsigned char sha1_from_ref[20]; unsigned char *this_result; this_result = refs_found ? sha1_from_ref : sha1; - r = resolve_ref(mkpath(*p, len, str), this_result, 1, NULL); + mksnpath(fullref, sizeof(fullref), *p, len, str); + r = resolve_ref(fullref, this_result, 1, NULL); if (r) { if (!refs_found++) *ref = xstrdup(r); @@@ -272,7 -274,7 +274,7 @@@ int dwim_log(const char *str, int len, char path[PATH_MAX]; const char *ref, *it; - strcpy(path, mkpath(*p, len, str)); + mksnpath(path, sizeof(path), *p, len, str); ref = resolve_ref(path, hash, 1, NULL); if (!ref) continue; @@@ -349,10 -351,7 +351,10 @@@ static int get_sha1_basic(const char *s else nth = -1; } - if (0 <= nth) + if (100000000 <= nth) { + at_time = nth; + nth = -1; + } else if (0 <= nth) at_time = 0; else { char *tmp = xstrndup(str + at + 2, reflog_len);