Add support for custom commandsHEADmaster

Add the cmd option in the config that runs a shell command.

1 files changed, 23 insertions, 0 deletions

diff --git a/src/print_cmd.c b/src/print_cmd.c
new file mode 100644
index 0000000..a7ac575
--- /dev/null
+++ b/src/print_cmd.c
@@ -0,0 +1,23 @@
+// vim:ts=4:sw=4:expandtab
+#include <stdio.h>
+#include <string.h>
+#include <yajl/yajl_gen.h>
+#include <yajl/yajl_version.h>
+
+#include "i3status.h"
+
+void print_cmd(yajl_gen json_gen, char *buffer, const char *cmd) {
+    char *outwalk = buffer;
+    char path[1024];
+    FILE *fp;
+    fp = popen(cmd, "r");
+    fgets(path, sizeof(path) - 1, fp);
+    pclose(fp);
+
+    char *nl = index(path, '\n');
+    if (nl != NULL) {
+        *nl = '\0';
+    }
+    maybe_escape_markup(path, &outwalk);
+    OUTPUT_FULL_TEXT(buffer);
+}