Add support for path_exists directive.

2 files changed, 36 insertions, 0 deletions

diff --git a/src/general.c b/src/general.c
index 7ec80a8..c5b33b4 100644
--- a/src/general.c
+++ b/src/general.c
@@ -6,6 +6,7 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <sys/fcntl.h>
+#include <sys/stat.h>
 
 #include "i3status.h"
 
diff --git a/src/print_path_exists.c b/src/print_path_exists.c
new file mode 100644
index 0000000..c5225a1
--- /dev/null
+++ b/src/print_path_exists.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <string.h>
+#include <yajl/yajl_gen.h>
+#include <yajl/yajl_version.h>
+#include <sys/stat.h>
+#include "i3status.h"
+
+void print_path_exists(yajl_gen json_gen, char *buffer, const char *title, const char *path, const char *format) {
+        const char *walk;
+        char *outwalk = buffer;
+        struct stat st;
+        const bool exists = (stat(path, &st) == 0);
+
+        INSTANCE(path);
+
+        START_COLOR((exists ? "color_good" : "color_bad"));
+
+        for (walk = format; *walk != '\0'; walk++) {
+                if (*walk != '%') {
+                        *(outwalk++) = *walk;
+                        continue;
+                }
+
+                if (strncmp(walk+1, "title", strlen("title")) == 0) {
+                        outwalk += sprintf(outwalk, "%s", title);
+                        walk += strlen("title");
+                } else if (strncmp(walk+1, "status", strlen("status")) == 0) {
+                        outwalk += sprintf(outwalk, "%s", (exists ? "yes" : "no"));
+                        walk += strlen("status");
+                }
+        }
+
+        END_COLOR;
+        OUTPUT_FULL_TEXT(buffer);
+}