From fc53809803cd2bc2434e312b19a18fa36776da12 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 05:50:40 +0200 Subject: Adding upstream version 256. Signed-off-by: Daniel Baumann --- src/libsystemd/sd-device/device-util.c | 39 +++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 15 deletions(-) (limited to 'src/libsystemd/sd-device/device-util.c') diff --git a/src/libsystemd/sd-device/device-util.c b/src/libsystemd/sd-device/device-util.c index 529eff2..123629c 100644 --- a/src/libsystemd/sd-device/device-util.c +++ b/src/libsystemd/sd-device/device-util.c @@ -9,7 +9,6 @@ int devname_from_devnum(mode_t mode, dev_t devnum, char **ret) { _cleanup_(sd_device_unrefp) sd_device *dev = NULL; - _cleanup_free_ char *s = NULL; const char *devname; int r; @@ -26,15 +25,10 @@ int devname_from_devnum(mode_t mode, dev_t devnum, char **ret) { if (r < 0) return r; - s = strdup(devname); - if (!s) - return -ENOMEM; - - *ret = TAKE_PTR(s); - return 0; + return strdup_to(ret, devname); } -int device_open_from_devnum(mode_t mode, dev_t devnum, int flags, char **ret) { +int device_open_from_devnum(mode_t mode, dev_t devnum, int flags, char **ret_devname) { _cleanup_(sd_device_unrefp) sd_device *dev = NULL; _cleanup_close_ int fd = -EBADF; int r; @@ -47,19 +41,16 @@ int device_open_from_devnum(mode_t mode, dev_t devnum, int flags, char **ret) { if (fd < 0) return fd; - if (ret) { + if (ret_devname) { const char *devname; - char *s; r = sd_device_get_devname(dev, &devname); if (r < 0) return r; - s = strdup(devname); - if (!s) - return -ENOMEM; - - *ret = s; + r = strdup_to(ret_devname, devname); + if (r < 0) + return r; } return TAKE_FD(fd); @@ -139,3 +130,21 @@ char** device_make_log_fields(sd_device *device) { return TAKE_PTR(strv); } + +bool device_in_subsystem(sd_device *device, const char *subsystem) { + const char *s = NULL; + + assert(device); + + (void) sd_device_get_subsystem(device, &s); + return streq_ptr(s, subsystem); +} + +bool device_is_devtype(sd_device *device, const char *devtype) { + const char *s = NULL; + + assert(device); + + (void) sd_device_get_devtype(device, &s); + return streq_ptr(s, devtype); +} -- cgit v1.2.3