Rather than have a unwieldy regex string - split it up into its components each having it's own #define and then combine in a different #define Signed-off-by: John Ferlan <jferlan(a)redhat.com&gt; ---  src/storage/storage_backend_logical.c | 32 ++++++++++++++++++++++++++++++--  1 file changed, 30 insertions(+), 2 deletions(-) diff --git a/src/storage/storage_backend_logical.c b/src/storage/storage_backend_logical.c index eb22fd0..ba26223 100644 --- a/src/storage/storage_backend_logical.c +++ b/src/storage/storage_backend_logical.c @@ -312,6 +312,34 @@ virStorageBackendLogicalMakeVol(char **const groups,      return ret;  }   +#define VIR_STORAGE_VOL_LOGICAL_PREFIX_REGEX "^\\s*" +#define VIR_STORAGE_VOL_LOGICAL_LV_NAME_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_ORIGIN_REGEX "(\\S*)#" +#define VIR_STORAGE_VOL_LOGICAL_UUID_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_DEVICES_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_SEGTYPE_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_STRIPES_REGEX "([0-9]+)#" +#define VIR_STORAGE_VOL_LOGICAL_SEG_SIZE_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_VG_EXTENT_SIZE_REGEX "([0-9]+)#" +#define VIR_STORAGE_VOL_LOGICAL_SIZE_REGEX "([0-9]+)#" +#define VIR_STORAGE_VOL_LOGICAL_LV_ATTR_REGEX "(\\S+)#" +#define VIR_STORAGE_VOL_LOGICAL_SUFFIX_REGEX "?\\s*$" + +#define VIR_STORAGE_VOL_LOGICAL_REGEX_COUNT 10 +#define VIR_STORAGE_VOL_LOGICAL_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_PREFIX_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_LV_NAME_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_ORIGIN_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_UUID_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_DEVICES_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_SEGTYPE_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_STRIPES_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_SEG_SIZE_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_VG_EXTENT_SIZE_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_SIZE_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_LV_ATTR_REGEX \ +           VIR_STORAGE_VOL_LOGICAL_SUFFIX_REGEX +  static int  virStorageBackendLogicalFindLVs(virStoragePoolObjPtr pool,                                  virStorageVolDefPtr vol) @@ -342,10 +370,10 @@ virStorageBackendLogicalFindLVs(virStoragePoolObjPtr pool,       *    striped, so "," is not a suitable separator either (rhbz 727474).       */      const char *regexes[] = { -       "^\\s*(\\S+)#(\\S*)#(\\S+)#(\\S+)#(\\S+)#([0-9]+)#(\\S+)#([0-9]+)#([0-9]+)#(\\S+)#?\\s*$" +        VIR_STORAGE_VOL_LOGICAL_REGEX      };      int vars[] = { -        10 +        VIR_STORAGE_VOL_LOGICAL_REGEX_COUNT      };      int ret = -1;      virCommandPtr cmd;