util: rework cunescape(), improve error handling

[elogind.git] / src / shared / util.h

diff --git a/src/shared/util.h b/src/shared/util.h
index 2de654f4cc8615faf2cb766d0f0e11f245bd97e9..2154623afd47cd243c6321cf8431576d2a84efdc 100644 (file)
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -41,6 +41,7 @@
 #include <locale.h>
 #include <mntent.h>
 #include <sys/inotify.h>
+#include <sys/statfs.h>
 
 #if SIZEOF_PID_T == 4
 #  define PID_PRI PRIi32
@@ -183,6 +184,7 @@ static inline char *startswith_no_case(const char *s, const char *prefix) {
 }
 
 char *endswith(const char *s, const char *postfix) _pure_;
+char *endswith_no_case(const char *s, const char *postfix) _pure_;
 
 char *first_word(const char *s, const char *word) _pure_;
 
@@ -310,9 +312,14 @@ char decchar(int x) _const_;
 int undecchar(char c) _const_;
 
 char *cescape(const char *s);
-char *cunescape(const char *s);
-char *cunescape_length(const char *s, size_t length);
-char *cunescape_length_with_prefix(const char *s, size_t length, const char *prefix);
+
+typedef enum UnescapeFlags {
+        UNESCAPE_RELAX = 1,
+} UnescapeFlags;
+
+int cunescape(const char *s, UnescapeFlags flags, char **ret);
+int cunescape_length(const char *s, size_t length, UnescapeFlags flags, char **ret);
+int cunescape_length_with_prefix(const char *s, size_t length, const char *prefix, UnescapeFlags flags, char **ret);
 
 char *xescape(const char *s, const char *bad);
 
@@ -432,6 +439,7 @@ int sigaction_many(const struct sigaction *sa, ...);
 int fopen_temporary(const char *path, FILE **_f, char **_temp_path);
 
 ssize_t loop_read(int fd, void *buf, size_t nbytes, bool do_poll);
+int loop_read_exact(int fd, void *buf, size_t nbytes, bool do_poll);
 int loop_write(int fd, const void *buf, size_t nbytes, bool do_poll);
 
 bool is_device_path(const char *path);
@@ -460,12 +468,8 @@ int get_ctty(pid_t, dev_t *_devnr, char **r);
 int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
 int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
 
-int is_fd_on_temporary_fs(int fd);
-
-int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
-int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
-int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
-int rm_rf_dangerous(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);
+bool is_temporary_fs(const struct statfs *s) _pure_;
+int fd_is_temporary_fs(int fd);
 
 int pipe_eof(int fd);
 
@@ -1016,8 +1020,13 @@ int take_password_lock(const char *root);
 int is_symlink(const char *path);
 int is_dir(const char *path, bool follow);
 
-int unquote_first_word(const char **p, char **ret, bool relax);
-int unquote_many_words(const char **p, ...) _sentinel_;
+typedef enum UnquoteFlags {
+        UNQUOTE_RELAX     = 1,
+        UNQUOTE_CUNESCAPE = 2,
+} UnquoteFlags;
+
+int unquote_first_word(const char **p, char **ret, UnquoteFlags flags);
+int unquote_many_words(const char **p, UnquoteFlags flags, ...) _sentinel_;
 
 int free_and_strdup(char **p, const char *s);
 
@@ -1048,10 +1057,9 @@ int fd_getcrtime(int fd, usec_t *usec);
 int path_getcrtime(const char *p, usec_t *usec);
 int fd_getcrtime_at(int dirfd, const char *name, usec_t *usec, int flags);
 
-int same_fd(int a, int b);
-
 int chattr_fd(int fd, bool b, unsigned mask);
 int chattr_path(const char *p, bool b, unsigned mask);
+int change_attr_fd(int fd, unsigned value, unsigned mask);
 
 int read_attr_fd(int fd, unsigned *ret);
 int read_attr_path(const char *p, unsigned *ret);
@@ -1080,3 +1088,5 @@ void sigkill_wait(pid_t *pid);
 int syslog_parse_priority(const char **p, int *priority, bool with_facility);
 
 void cmsg_close_all(struct msghdr *mh);
+
+int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);