Re: [PATCH v2 1/4] util: Introduce virStringListRemoveDuplicates

Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- Notes: Version 2: - new patch src/libvirt_private.syms | 1 + src/util/virstring.c | 29 +++++++++++++++++++++++++++++ src/util/virstring.h | 2 ++ 3 files changed, 32 insertions(+) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index c1542847f4..89cd20eece 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -3438,6 +3438,7 @@ virStringHasControlChars; virStringHasSuffix; virStringIsEmpty; virStringIsPrintable; +virStringListRemoveDuplicates; virStringMatch; virStringMatchesNameSuffix; virStringParsePort; diff --git a/src/util/virstring.c b/src/util/virstring.c index 81c9aff304..bc9b6cd40e 100644 --- a/src/util/virstring.c +++ b/src/util/virstring.c @@ -1065,3 +1065,32 @@ virStringParseVersion(unsigned long long *version, return 0; } + + +/** + * virStringListRemoveDuplicates: + * @list: pointer to a sorted NULL-terminated string list + * + * Replace the list pointed to by @list with a new list without duplicate + * strings. The original list has to be sorted. + */ +void +virStringListRemoveDuplicates(char ***list) +{ + size_t len = g_strv_length(*list); + char **unique; + size_t n = 0; + size_t i; + + unique = g_malloc0_n(len + 1, sizeof(char *));