virStringListAdd hides the fact that a O(n) count of elements is performed every time it's called which makes it inefficient. Stop supporting such semantics and remove the helpers. Users have a choice of using GSList or an array with a counter variable rather than repeated lookups. Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> --- src/libvirt_private.syms | 2 -- src/util/virstring.c | 61 ---------------------------------- src/util/virstring.h | 5 --- tests/virstringtest.c | 72 ---------------------------------------- 4 files changed, 140 deletions(-) diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index c2270208e4..86380d0853 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -3240,14 +3240,12 @@ virStringHasControlChars; virStringHasSuffix; virStringIsEmpty; virStringIsPrintable; -virStringListAdd; virStringListFreeCount; virStringListGetFirstWithPrefix; virStringListHasString; virStringListJoin; virStringListLength; virStringListMerge; -virStringListRemove; virStringMatch; virStringMatchesNameSuffix; virStringParsePort; diff --git a/src/util/virstring.c b/src/util/virstring.c index 521f2de3f6..bf861d4847 100644 --- a/src/util/virstring.c +++ b/src/util/virstring.c @@ -162,67 +162,6 @@ char *virStringListJoin(const char **strings, } -/** - * virStringListAdd: - * @strings: a NULL-terminated array of strings - * @item: string to add - * - * Appends @item into string list @strings. If *@strings is not - * allocated yet new string list is created. - * - * Returns: 0 on success, - * -1 otherwise - */ -int -virStringListAdd(char ***strings, - const char *item) -{ - size_t i = virStringListLength((const char **) *strings); - - if (VIR_EXPAND_N(*strings, i, 2) < 0) - return -1; - - (*strings)[i - 2] = g_strdup(item); - - return 0; -} - - -/** - * virStringListRemove: - * @strings: a NULL-terminated array of strings - * @item: string to remove - * - * Remove every occurrence of @item in list of @strings. - */ -void -virStringListRemove(char ***strings, - const char *item) -{ - size_t r, w = 0; - - if (!strings || !*strings) - return; - - for (r = 0; (*strings)[r]; r++) { - if (STREQ((*strings)[r], item)) { - VIR_FREE((*strings)[r]); - continue; - } - if (r != w) - (*strings)[w] = (*strings)[r]; - w++; - } - - if (w == 0) { - VIR_FREE(*strings); - } else { - (*strings)[w] = NULL; - ignore_value(VIR_REALLOC_N(*strings, w + 1)); - } -} - - /** * virStringListMerge: * @dst: a NULL-terminated array of strings to expand diff --git a/src/util/virstring.h b/src/util/virstring.h index cfd24f0b74..00c669b43b 100644 --- a/src/util/virstring.h +++ b/src/util/virstring.h @@ -37,11 +37,6 @@ char *virStringListJoin(const char **strings, const char *delim) ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2); -int virStringListAdd(char ***strings, - const char *item); -void virStringListRemove(char ***strings, - const char *item); - int virStringListMerge(char ***dst, char ***src); diff --git a/tests/virstringtest.c b/tests/virstringtest.c index 7305190691..9eabb5b299 100644 --- a/tests/virstringtest.c +++ b/tests/virstringtest.c @@ -163,74 +163,6 @@ static int testJoin(const void *args) } -static int testAdd(const void *args) -{ - const struct testJoinData *data = args; - char **list = NULL; - char *got = NULL; - int ret = -1; - size_t i; - - for (i = 0; data->tokens[i]; i++) { - if (virStringListAdd(&list, data->tokens[i]) < 0) - goto cleanup; - } - - if (!list) - list = g_new0(char *, 1); - - if (!(got = virStringListJoin((const char **)list, data->delim))) { - VIR_DEBUG("Got no result"); - goto cleanup; - } - - if (STRNEQ(got, data->string)) { - fprintf(stderr, "Mismatch '%s' vs '%s'\n", got, data->string); - goto cleanup; - } - - ret = 0; - cleanup: - g_strfreev(list); - VIR_FREE(got); - return ret; -} - - -static int testRemove(const void *args) -{ - const struct testSplitData *data = args; - char **list = NULL; - size_t ntokens; - size_t i; - int ret = -1; - - if (!(list = virStringSplitCount(data->string, data->delim, - data->max_tokens, &ntokens))) { - VIR_DEBUG("Got no tokens at all"); - return -1; - } - - for (i = 0; data->tokens[i]; i++) { - virStringListRemove(&list, data->tokens[i]); - if (virStringListHasString((const char **) list, data->tokens[i])) { - fprintf(stderr, "Not removed %s", data->tokens[i]); - goto cleanup; - } - } - - if (list && list[0]) { - fprintf(stderr, "Not removed all tokens: %s", list[0]); - goto cleanup; - } - - ret = 0; - cleanup: - g_strfreev(list); - return ret; -} - - static int testStringSortCompare(const void *opaque G_GNUC_UNUSED) { @@ -683,10 +615,6 @@ mymain(void) ret = -1; \ if (virTestRun("Join " #str, testJoin, &joinData) < 0) \ ret = -1; \ - if (virTestRun("Add " #str, testAdd, &joinData) < 0) \ - ret = -1; \ - if (virTestRun("Remove " #str, testRemove, &splitData) < 0) \ - ret = -1; \ } while (0) VIR_WARNINGS_NO_DECLARATION_AFTER_STATEMENT -- 2.29.2