Use regular expressions for tagging windows by class and name

1 files changed, 53 insertions, 0 deletions

diff --git a/util2.c b/util2.c
new file mode 100644
index 0000000..1ce2c55
--- /dev/null
+++ b/util2.c
@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <err.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <regex.h>
+
+int
+readEnv(FILE *fh)
+{
+	int ret;
+	char name[1024], value[8192];
+
+	while (1) {
+		if ((ret = fscanf(fh, "%1023[^=]=%8191[^\n]\n", &name, &value)) == EOF)
+			break;
+		else if (ret == 0)
+			break;
+
+		fprintf(stderr, "Setting: '%s' = '%s'\n", name, value);
+		setenv(name, value, 1);
+	}
+
+	return 0;
+}
+
+int
+reMatch(const char *regex, const char *str) {
+    char reErr[1024] = {0};
+    regex_t *re = calloc(1, sizeof(regex_t));
+    int rc = 0;
+
+    if (!re)
+        return -1;
+
+    rc = regcomp(re, regex, REG_EXTENDED|REG_ICASE|REG_NOSUB);
+    if (rc != 0) {
+        regerror(rc, re, reErr, 1024);
+        fprintf(stderr, "Regex compile err: %s %s\n", regex, reErr);
+        return -1;
+    }
+
+    rc = regexec(re, str, 0, NULL, 0);
+    regfree(re);
+    if (rc != 0) {
+        regerror(rc, re, reErr, 1024);
+        fprintf(stderr, "Regex match error: %s -> %s : %s\n",
+                regex, str, reErr);
+        return -1;
+    }
+
+    return rc;
+}