diff options
| -rw-r--r-- | cache.h | 2 | ||||
| -rw-r--r-- | path.c | 22 | ||||
| -rw-r--r-- | setup.c | 11 | ||||
| -rw-r--r-- | test-path-utils.c | 8 |
4 files changed, 26 insertions, 17 deletions
@@ -718,7 +718,7 @@ const char *real_path_if_valid(const char *path); const char *absolute_path(const char *path); const char *relative_path(const char *abs, const char *base); int normalize_path_copy(char *dst, const char *src); -int longest_ancestor_length(const char *path, const char *prefix_list); +int longest_ancestor_length(const char *path, struct string_list *prefixes); char *strip_path_suffix(const char *path, const char *suffix); int daemon_avoid_alias(const char *path); int offset_1st_component(const char *path); @@ -570,30 +570,27 @@ int normalize_path_copy(char *dst, const char *src) /* * path = Canonical absolute path - * prefix_list = Colon-separated list of absolute paths + * prefixes = string_list containing absolute paths * - * Determines, for each path in prefix_list, whether the "prefix" really + * Determines, for each path in prefixes, whether the "prefix" really * is an ancestor directory of path. Returns the length of the longest * ancestor directory, excluding any trailing slashes, or -1 if no prefix - * is an ancestor. (Note that this means 0 is returned if prefix_list is - * "/".) "/foo" is not considered an ancestor of "/foobar". Directories + * is an ancestor. (Note that this means 0 is returned if prefixes is + * ["/"].) "/foo" is not considered an ancestor of "/foobar". Directories * are not considered to be their own ancestors. path must be in a * canonical form: empty components, or "." or ".." components are not - * allowed. prefix_list may be null, which is like "". + * allowed. Empty strings in prefixes are ignored. */ -int longest_ancestor_length(const char *path, const char *prefix_list) +int longest_ancestor_length(const char *path, struct string_list *prefixes) { - struct string_list prefixes = STRING_LIST_INIT_DUP; char buf[PATH_MAX+1]; int i, max_len = -1; - if (prefix_list == NULL || !strcmp(path, "/")) + if (!strcmp(path, "/")) return -1; - string_list_split(&prefixes, prefix_list, PATH_SEP, -1); - - for (i = 0; i < prefixes.nr; i++) { - const char *ceil = prefixes.items[i].string; + for (i = 0; i < prefixes->nr; i++) { + const char *ceil = prefixes->items[i].string; int len = strlen(ceil); if (len == 0 || len > PATH_MAX || !is_absolute_path(ceil)) @@ -611,7 +608,6 @@ int longest_ancestor_length(const char *path, const char *prefix_list) } } - string_list_clear(&prefixes, 0); return max_len; } @@ -1,5 +1,6 @@ #include "cache.h" #include "dir.h" +#include "string-list.h" static int inside_git_dir = -1; static int inside_work_tree = -1; @@ -627,10 +628,11 @@ static dev_t get_device_or_die(const char *path, const char *prefix, int prefix_ static const char *setup_git_directory_gently_1(int *nongit_ok) { const char *env_ceiling_dirs = getenv(CEILING_DIRECTORIES_ENVIRONMENT); + struct string_list ceiling_dirs = STRING_LIST_INIT_DUP; static char cwd[PATH_MAX+1]; const char *gitdirenv, *ret; char *gitfile; - int len, offset, offset_parent, ceil_offset; + int len, offset, offset_parent, ceil_offset = -1; dev_t current_device = 0; int one_filesystem = 1; @@ -655,7 +657,12 @@ static const char *setup_git_directory_gently_1(int *nongit_ok) if (gitdirenv) return setup_explicit_git_dir(gitdirenv, cwd, len, nongit_ok); - ceil_offset = longest_ancestor_length(cwd, env_ceiling_dirs); + if (env_ceiling_dirs) { + string_list_split(&ceiling_dirs, env_ceiling_dirs, PATH_SEP, -1); + ceil_offset = longest_ancestor_length(cwd, &ceiling_dirs); + string_list_clear(&ceiling_dirs, 0); + } + if (ceil_offset < 0 && has_dos_drive_prefix(cwd)) ceil_offset = 1; diff --git a/test-path-utils.c b/test-path-utils.c index 3bc20e91da..acb05600df 100644 --- a/test-path-utils.c +++ b/test-path-utils.c @@ -1,4 +1,5 @@ #include "cache.h" +#include "string-list.h" int main(int argc, char **argv) { @@ -30,7 +31,12 @@ int main(int argc, char **argv) } if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) { - int len = longest_ancestor_length(argv[2], argv[3]); + int len; + struct string_list ceiling_dirs = STRING_LIST_INIT_DUP; + + string_list_split(&ceiling_dirs, argv[3], PATH_SEP, -1); + len = longest_ancestor_length(argv[2], &ceiling_dirs); + string_list_clear(&ceiling_dirs, 0); printf("%d\n", len); return 0; } |