X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fshared%2Futil.h;h=96b8c1bcc0fdafd9e6efeb0c690aedb64aafd269;hb=72648326ea6d3e68cdb0b5890df737047d031a41;hp=b6fdf833022dc2732c94b11fab6fded4601025c0;hpb=32802361561403cb6441198c82d9c499e0513863;p=elogind.git diff --git a/src/shared/util.h b/src/shared/util.h index b6fdf8330..96b8c1bcc 100644 --- a/src/shared/util.h +++ b/src/shared/util.h @@ -425,7 +425,7 @@ 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); -ssize_t loop_write(int fd, const 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); @@ -714,7 +714,7 @@ _alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t a, size_ return memdup(p, a * b); } -bool filename_is_safe(const char *p) _pure_; +bool filename_is_valid(const char *p) _pure_; bool path_is_safe(const char *p) _pure_; bool string_is_safe(const char *p) _pure_; bool string_has_cc(const char *p, const char *ok) _pure_; @@ -883,6 +883,7 @@ int unlink_noerrno(const char *path); (void *) memset(_new_, 0, _len_); \ }) +/* It's not clear what alignment glibc/gcc alloca() guarantee, hence provide a guaranteed safe version */ #define alloca_align(size, align) \ ({ \ void *_ptr_; \ @@ -1015,8 +1016,9 @@ int bind_remount_recursive(const char *prefix, bool ro); int fflush_and_check(FILE *f); -char *tempfn_xxxxxx(const char *p); -char *tempfn_random(const char *p); +int tempfn_xxxxxx(const char *p, char **ret); +int tempfn_random(const char *p, char **ret); +int tempfn_random_child(const char *p, char **ret); bool is_localhost(const char *hostname); @@ -1031,3 +1033,12 @@ int unquote_many_words(const char **p, ...) _sentinel_; int free_and_strdup(char **p, const char *s); int sethostname_idempotent(const char *s); + +#define INOTIFY_EVENT_MAX (sizeof(struct inotify_event) + NAME_MAX + 1) + +#define FOREACH_INOTIFY_EVENT(e, buffer, sz) \ + for ((e) = (struct inotify_event*) (buffer); \ + (uint8_t*) (e) < (uint8_t*) (buffer) + (sz); \ + (e) = (struct inotify_event*) ((uint8_t*) (e) + sizeof(struct inotify_event) + (e)->len)) + +#define laccess(path, mode) faccessat(AT_FDCWD, (path), (mode), AT_SYMLINK_NOFOLLOW)