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Diffstat (limited to 'laptop/slstatuso/components/run_command.c')
-rwxr-xr-xlaptop/slstatuso/components/run_command.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/laptop/slstatuso/components/run_command.c b/laptop/slstatuso/components/run_command.c
new file mode 100755
index 0000000..93bf6da
--- /dev/null
+++ b/laptop/slstatuso/components/run_command.c
@@ -0,0 +1,31 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+run_command(const char *cmd)
+{
+ char *p;
+ FILE *fp;
+
+ if (!(fp = popen(cmd, "r"))) {
+ warn("popen '%s':", cmd);
+ return NULL;
+ }
+
+ p = fgets(buf, sizeof(buf) - 1, fp);
+ if (pclose(fp) < 0) {
+ warn("pclose '%s':", cmd);
+ return NULL;
+ }
+ if (!p)
+ return NULL;
+
+ if ((p = strrchr(buf, '\n')))
+ p[0] = '\0';
+
+ return buf[0] ? buf : NULL;
+}