@@ -13,6 +13,96 @@
#include <execinfo.h> /* backtrace */
#include <linux/membarrier.h>
+// Copied from perf/util/string.c
+
+/* Character class matching */
+static bool __match_charclass(const char *pat, char c, const char **npat)
+{
+ bool complement = false, ret = true;
+
+ if (*pat == '!') {
+ complement = true;
+ pat++;
+ }
+ if (*pat++ == c) /* First character is special */
+ goto end;
+
+ while (*pat && *pat != ']') { /* Matching */
+ if (*pat == '-' && *(pat + 1) != ']') { /* Range */
+ if (*(pat - 1) <= c && c <= *(pat + 1))
+ goto end;
+ if (*(pat - 1) > *(pat + 1))
+ goto error;
+ pat += 2;
+ } else if (*pat++ == c)
+ goto end;
+ }
+ if (!*pat)
+ goto error;
+ ret = false;
+
+end:
+ while (*pat && *pat != ']') /* Searching closing */
+ pat++;
+ if (!*pat)
+ goto error;
+ *npat = pat + 1;
+ return complement ? !ret : ret;
+
+error:
+ return false;
+}
+
+// Copied from perf/util/string.c
+/* Glob/lazy pattern matching */
+static bool __match_glob(const char *str, const char *pat, bool ignore_space,
+ bool case_ins)
+{
+ while (*str && *pat && *pat != '*') {
+ if (ignore_space) {
+ /* Ignore spaces for lazy matching */
+ if (isspace(*str)) {
+ str++;
+ continue;
+ }
+ if (isspace(*pat)) {
+ pat++;
+ continue;
+ }
+ }
+ if (*pat == '?') { /* Matches any single character */
+ str++;
+ pat++;
+ continue;
+ } else if (*pat == '[') /* Character classes/Ranges */
+ if (__match_charclass(pat + 1, *str, &pat)) {
+ str++;
+ continue;
+ } else
+ return false;
+ else if (*pat == '\\') /* Escaped char match as normal char */
+ pat++;
+ if (case_ins) {
+ if (tolower(*str) != tolower(*pat))
+ return false;
+ } else if (*str != *pat)
+ return false;
+ str++;
+ pat++;
+ }
+ /* Check wild card */
+ if (*pat == '*') {
+ while (*pat == '*')
+ pat++;
+ if (!*pat) /* Tail wild card matches all */
+ return true;
+ while (*str)
+ if (__match_glob(str++, pat, ignore_space, case_ins))
+ return true;
+ }
+ return !*str && !*pat;
+}
+
#define EXIT_NO_TEST 2
#define EXIT_ERR_SETUP_INFRA 3
@@ -55,12 +145,12 @@ static bool should_run(struct test_selector *sel, int num, const char *name)
int i;
for (i = 0; i < sel->blacklist.cnt; i++) {
- if (strstr(name, sel->blacklist.strs[i]))
+ if (__match_glob(name, sel->blacklist.strs[i], false, false))
return false;
}
for (i = 0; i < sel->whitelist.cnt; i++) {
- if (strstr(name, sel->whitelist.strs[i]))
+ if (__match_glob(name, sel->whitelist.strs[i], false, false))
return true;
}
This patch adds glob matching to test selector, it allows user to use "*", "?", "[]" to match test name to run. The glob matching function is copied from perf/util/string.c Signed-off-by: Yucong Sun <fallentree@fb.com> --- tools/testing/selftests/bpf/test_progs.c | 94 +++++++++++++++++++++++- 1 file changed, 92 insertions(+), 2 deletions(-)