summaryrefslogtreecommitdiffstats
path: root/lib/match.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:14:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:14:44 +0000
commit30ff6afe596eddafacf22b1a5b2d1a3d6254ea15 (patch)
tree9b788335f92174baf7ee18f03ca8330b8c19ce2b /lib/match.c
parentInitial commit. (diff)
downloadutil-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.tar.xz
util-linux-30ff6afe596eddafacf22b1a5b2d1a3d6254ea15.zip
Adding upstream version 2.36.1.upstream/2.36.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/match.c')
-rw-r--r--lib/match.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/match.c b/lib/match.c
new file mode 100644
index 0000000..a286a19
--- /dev/null
+++ b/lib/match.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2011 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+
+#include <string.h>
+
+#include "match.h"
+
+/*
+ * match_fstype:
+ * @type: filesystem type
+ * @pattern: filesystem name or comma delimited list of names
+ *
+ * The @pattern list of filesystem can be prefixed with a global
+ * "no" prefix to invert matching of the whole list. The "no" could
+ * also be used for individual items in the @pattern list. So,
+ * "nofoo,bar" has the same meaning as "nofoo,nobar".
+ */
+int match_fstype(const char *type, const char *pattern)
+{
+ int no = 0; /* negated types list */
+ int len;
+ const char *p;
+
+ if (!pattern && !type)
+ return 1;
+ if (!pattern)
+ return 0;
+
+ if (!strncmp(pattern, "no", 2)) {
+ no = 1;
+ pattern += 2;
+ }
+
+ /* Does type occur in types, separated by commas? */
+ len = strlen(type);
+ p = pattern;
+ while(1) {
+ if (!strncmp(p, "no", 2) && !strncasecmp(p+2, type, len) &&
+ (p[len+2] == 0 || p[len+2] == ','))
+ return 0;
+ if (strncasecmp(p, type, len) == 0 && (p[len] == 0 || p[len] == ','))
+ return !no;
+ p = strchr(p,',');
+ if (!p)
+ break;
+ p++;
+ }
+ return no;
+}