diff options
| -rw-r--r-- | include/path.h | 1 | ||||
| -rw-r--r-- | lib/path.c | 22 | ||||
| -rw-r--r-- | sys-utils/choom.c | 2 |
3 files changed, 24 insertions, 1 deletions
diff --git a/include/path.h b/include/path.h index b34aa366e..8dadef1d0 100644 --- a/include/path.h +++ b/include/path.h @@ -110,6 +110,7 @@ int ul_path_write_string(struct path_cxt *pc, const char *str, const char *path) int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path, ...) __attribute__ ((__format__ (__printf__, 3, 4))); +int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path); int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path); int ul_path_writef_u64(struct path_cxt *pc, uint64_t num, const char *path, ...) __attribute__ ((__format__ (__printf__, 3, 4))); diff --git a/lib/path.c b/lib/path.c index d36fe41e8..9dfdc94f8 100644 --- a/lib/path.c +++ b/lib/path.c @@ -850,6 +850,28 @@ int ul_path_writef_string(struct path_cxt *pc, const char *str, const char *path return ul_path_write_string(pc, str, p); } +int ul_path_write_s64(struct path_cxt *pc, int64_t num, const char *path) +{ + char buf[sizeof(stringify_value(LLONG_MAX))]; + int rc, errsv; + int fd, len; + + fd = ul_path_open(pc, O_WRONLY|O_CLOEXEC, path); + if (fd < 0) + return -errno; + + len = snprintf(buf, sizeof(buf), "%" PRId64, num); + if (len < 0 || (size_t) len >= sizeof(buf)) + rc = len < 0 ? -errno : -E2BIG; + else + rc = write_all(fd, buf, len); + + errsv = errno; + close(fd); + errno = errsv; + return rc; +} + int ul_path_write_u64(struct path_cxt *pc, uint64_t num, const char *path) { char buf[sizeof(stringify_value(ULLONG_MAX))]; diff --git a/sys-utils/choom.c b/sys-utils/choom.c index 6895aef43..eff95b6bf 100644 --- a/sys-utils/choom.c +++ b/sys-utils/choom.c @@ -74,7 +74,7 @@ static int get_score_adj(struct path_cxt *pc) static int set_score_adj(struct path_cxt *pc, int adj) { - return ul_path_write_u64(pc, adj, "oom_score_adj"); + return ul_path_write_s64(pc, adj, "oom_score_adj"); } int main(int argc, char **argv) |