Relocate source files to an src/ subdirectory

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/cond.c

@@ -0,0 +1,117 @@
+/* Condition engine (read)
+ *
+ * Copyright (c) 2015-2016  Tobias Waldekranz <tobias@waldekranz.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <lite/lite.h>
+#include <stdio.h>
+
+#include "finit.h"
+#include "cond.h"
+#include "service.h"
+
+static inline int timespec_newer(const struct timespec *a,
+				 const struct timespec *b)
+{
+	if (a->tv_sec != b->tv_sec)
+		return a->tv_sec > b->tv_sec;
+
+	return a->tv_nsec > b->tv_nsec;
+}
+
+const char *condstr(enum cond_state s)
+{
+	static const char *strs[] = {
+		[COND_OFF]  = "off",
+		[COND_FLUX] = "flux",
+		[COND_ON]   = "on",
+	};
+
+	return strs[s];
+}
+
+const char *cond_path(const char *name)
+{
+	static char file[MAX_ARG_LEN];
+
+	snprintf(file, sizeof(file), COND_PATH "/%s", name);
+
+	return file;
+}
+
+enum cond_state cond_get_path(const char *path)
+{
+	struct stat st, st_reconf;
+
+	if (stat(path, &st))
+		return COND_OFF;
+
+	if (stat(COND_RECONF, &st_reconf) ||
+	    timespec_newer(&st.st_mtim, &st_reconf.st_mtim))
+		return COND_ON;
+
+	return COND_FLUX;
+}
+
+enum cond_state cond_get(const char *name)
+{
+	return cond_get_path(cond_path(name));
+}
+
+enum cond_state cond_get_agg(const char *names)
+{
+	char *cond;
+	enum cond_state s = COND_ON;
+	static char conds[MAX_ARG_LEN];
+
+	if (!names)
+		return COND_ON;
+
+	strlcpy(conds, names, sizeof(conds));
+	for (cond = strtok(conds, ","); s && cond; cond = strtok(NULL, ","))
+		s = min(s, cond_get(cond));
+
+	return s;
+}
+
+int cond_affects(const char *name, const char *names)
+{
+	char *cond;
+	static char conds[MAX_ARG_LEN];
+
+	if (!name || !names)
+		return 0;
+
+	strlcpy(conds, names, sizeof(conds));
+	for (cond = strtok(conds, ","); cond; cond = strtok(NULL, ",")) {
+		if (!strcmp(cond, name))
+			return 1;
+	}
+
+	return 0;
+}
+
+/**
+ * Local Variables:
+ *  indent-tabs-mode: t
+ *  c-file-style: "linux"
+ * End:
+ */