diff options
Diffstat (limited to 'src/fileops.c')
| -rw-r--r-- | src/fileops.c | 154 |
1 files changed, 79 insertions, 75 deletions
diff --git a/src/fileops.c b/src/fileops.c index bf95f769c..95a65893c 100644 --- a/src/fileops.c +++ b/src/fileops.c @@ -185,9 +185,6 @@ int git_futils_readbuffer_updated(git_buf *buf, const char *path, time_t *mtime, p_close(fd); - if (mtime != NULL) - *mtime = st.st_mtime; - if (updated != NULL) *updated = 1; @@ -244,28 +241,36 @@ void git_futils_mmap_free(git_map *out) int git_futils_mkdir_r(const char *path, const char *base, const mode_t mode) { - int root_path_offset; git_buf make_path = GIT_BUF_INIT; - size_t start; + size_t start = 0; char *pp, *sp; bool failed = false; if (base != NULL) { + /* + * when a base is being provided, it is supposed to already exist. + * Therefore, no attempt is being made to recursively create this leading path + * segment. It's just skipped. */ start = strlen(base); if (git_buf_joinpath(&make_path, base, path) < 0) return -1; } else { - start = 0; + int root_path_offset; + if (git_buf_puts(&make_path, path) < 0) return -1; + + root_path_offset = git_path_root(make_path.ptr); + if (root_path_offset > 0) { + /* + * On Windows, will skip the drive name (eg. C: or D:) + * or the leading part of a network path (eg. //computer_name ) */ + start = root_path_offset; + } } pp = make_path.ptr + start; - root_path_offset = git_path_root(make_path.ptr); - if (root_path_offset > 0) - pp += root_path_offset; /* On Windows, will skip the drive name (eg. C: or D:) */ - while (!failed && (sp = strchr(pp, '/')) != NULL) { if (sp != pp && git_path_isdir(make_path.ptr) == false) { *sp = 0; @@ -309,7 +314,7 @@ static int _rmdir_recurs_foreach(void *opaque, git_buf *path) return -1; if (p_rmdir(path->ptr) < 0) { - if (removal_type == GIT_DIRREMOVAL_ONLY_EMPTY_DIRS && errno == ENOTEMPTY) + if (removal_type == GIT_DIRREMOVAL_ONLY_EMPTY_DIRS && (errno == ENOTEMPTY || errno == EEXIST)) return 0; giterr_set(GITERR_OS, "Could not remove directory '%s'", path->ptr); @@ -348,72 +353,23 @@ int git_futils_rmdir_r(const char *path, git_directory_removal_type removal_type return error; } -int git_futils_find_global_file(git_buf *path, const char *filename) -{ - const char *home = getenv("HOME"); - #ifdef GIT_WIN32 - if (home == NULL) - home = getenv("USERPROFILE"); -#endif - - if (home == NULL) { - giterr_set(GITERR_OS, "Global file lookup failed. " - "Cannot locate the user's home directory"); - return -1; - } - - if (git_buf_joinpath(path, home, filename) < 0) - return -1; - - if (git_path_exists(path->ptr) == false) { - git_buf_clear(path); - return GIT_ENOTFOUND; - } - - return 0; -} - -#ifdef GIT_WIN32 -typedef struct { - wchar_t *path; +struct win32_path { + wchar_t path[MAX_PATH]; DWORD len; -} win32_path; +}; -static const win32_path *win32_system_root(void) +static int win32_expand_path(struct win32_path *s_root, const wchar_t *templ) { - static win32_path s_root = { 0, 0 }; - - if (s_root.path == NULL) { - const wchar_t *root_tmpl = L"%PROGRAMFILES%\\Git\\etc\\"; - - s_root.len = ExpandEnvironmentStringsW(root_tmpl, NULL, 0); - if (s_root.len <= 0) { - giterr_set(GITERR_OS, "Failed to expand environment strings"); - return NULL; - } - - s_root.path = git__calloc(s_root.len, sizeof(wchar_t)); - if (s_root.path == NULL) - return NULL; - - if (ExpandEnvironmentStringsW(root_tmpl, s_root.path, s_root.len) != s_root.len) { - giterr_set(GITERR_OS, "Failed to expand environment strings"); - git__free(s_root.path); - s_root.path = NULL; - return NULL; - } - } - - return &s_root; + s_root->len = ExpandEnvironmentStringsW(templ, s_root->path, MAX_PATH); + return s_root->len ? 0 : -1; } -static int win32_find_system_file(git_buf *path, const char *filename) +static int win32_find_file(git_buf *path, const struct win32_path *root, const char *filename) { int error = 0; - const win32_path *root = win32_system_root(); size_t len; - wchar_t *file_utf16 = NULL, *scan; + wchar_t *file_utf16 = NULL; char *file_utf8 = NULL; if (!root || !filename || (len = strlen(filename)) == 0) @@ -435,10 +391,6 @@ static int win32_find_system_file(git_buf *path, const char *filename) goto cleanup; } - for (scan = file_utf16; *scan; scan++) - if (*scan == L'/') - *scan = L'\\'; - /* check access */ if (_waccess(file_utf16, F_OK) < 0) { error = GIT_ENOTFOUND; @@ -455,13 +407,30 @@ static int win32_find_system_file(git_buf *path, const char *filename) cleanup: git__free(file_utf16); - return error; } #endif int git_futils_find_system_file(git_buf *path, const char *filename) { +#ifdef GIT_WIN32 + struct win32_path root; + + if (win32_expand_path(&root, L"%PROGRAMFILES%\\Git\\etc\\") < 0 || + root.path[0] == L'%') /* i.e. no expansion happened */ + { + giterr_set(GITERR_OS, "Cannot locate the system's Program Files directory"); + return -1; + } + + if (win32_find_file(path, &root, filename) < 0) { + git_buf_clear(path); + return GIT_ENOTFOUND; + } + + return 0; + +#else if (git_buf_joinpath(path, "/etc", filename) < 0) return -1; @@ -469,10 +438,45 @@ int git_futils_find_system_file(git_buf *path, const char *filename) return 0; git_buf_clear(path); + return GIT_ENOTFOUND; +#endif +} +int git_futils_find_global_file(git_buf *path, const char *filename) +{ #ifdef GIT_WIN32 - return win32_find_system_file(path, filename); + struct win32_path root; + + if (win32_expand_path(&root, L"%USERPROFILE%\\") < 0 || + root.path[0] == L'%') /* i.e. no expansion happened */ + { + giterr_set(GITERR_OS, "Cannot locate the user's profile directory"); + return -1; + } + + if (win32_find_file(path, &root, filename) < 0) { + git_buf_clear(path); + return GIT_ENOTFOUND; + } + + return 0; #else - return GIT_ENOTFOUND; + const char *home = getenv("HOME"); + + if (home == NULL) { + giterr_set(GITERR_OS, "Global file lookup failed. " + "Cannot locate the user's home directory"); + return -1; + } + + if (git_buf_joinpath(path, home, filename) < 0) + return -1; + + if (git_path_exists(path->ptr) == false) { + git_buf_clear(path); + return GIT_ENOTFOUND; + } + + return 0; #endif } |
