[libvirt] [PATCH 06/16] util: Add virSysfsDirOpen

Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- src/libvirt_private.syms | 1 + src/util/virsysfs.c | 17 ++++++++++++++++- src/util/virsysfs.h | 6 ++++++ 3 files changed, 23 insertions(+), 1 deletion(-) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 9e61accda3fc..3965ef3f89c9 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -2621,6 +2621,7 @@ virVasprintfInternal; # util/virsysfs.h +virSysfsDirOpen; virSysfsGetCpuValueBitmap; virSysfsGetCpuValueInt; virSysfsGetCpuValueString; diff --git a/src/util/virsysfs.c b/src/util/virsysfs.c index c482e188a301..6686d8ddbfcb 100644 --- a/src/util/virsysfs.c +++ b/src/util/virsysfs.c @@ -25,7 +25,6 @@ #include "virsysfspriv.h" #include "viralloc.h" -#include "virfile.h" #include "virlog.h" #include "virstring.h" @@ -120,6 +119,22 @@ virSysfsGetValueBitmap(const char *file, * Per-CPU getters */ int +virSysfsDirOpen(const char *file, + DIR **dirp) +{ + char *path = NULL; + + if (virAsprintf(&path, "%s/%s", sysfs_system_path, file) < 0) + return -1; + + if (!virFileIsDir(path)) + return -2; + + return virDirOpen(dirp, path); +} + + +int virSysfsGetCpuValueInt(unsigned int cpu, const char *file, int *value) diff --git a/src/util/virsysfs.h b/src/util/virsysfs.h index 1b24fc193a16..ff5012d62747 100644 --- a/src/util/virsysfs.h +++ b/src/util/virsysfs.h @@ -23,6 +23,8 @@ # include "internal.h" # include "virbitmap.h" +# include "virfile.h" + /* * Generic getters @@ -41,6 +43,10 @@ int virSysfsGetValueBitmap(const char *file, virBitmapPtr *value); +int +virSysfsDirOpen(const char *file, + DIR **dirp); + /* * Per-CPU getters -- 2.12.2