aboutsummaryrefslogtreecommitdiff
path: root/components/cat.c
diff options
context:
space:
mode:
Diffstat (limited to 'components/cat.c')
-rwxr-xr-xcomponents/cat.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/components/cat.c b/components/cat.c
new file mode 100755
index 0000000..07944cc
--- /dev/null
+++ b/components/cat.c
@@ -0,0 +1,32 @@
+/* See LICENSE file for copyright and license details. */
+#include <stdio.h>
+#include <string.h>
+
+#include "../slstatus.h"
+#include "../util.h"
+
+const char *
+cat(const char *path)
+{
+ char *f;
+ FILE *fp;
+
+ if (!(fp = fopen(path, "r"))) {
+ warn("fopen '%s':", path);
+ return NULL;
+ }
+
+ f = fgets(buf, sizeof(buf) - 1, fp);
+ if (fclose(fp) < 0) {
+ warn("fclose '%s':", path);
+ return NULL;
+ }
+ if (!f)
+ return NULL;
+
+ if ((f = strrchr(buf, '\n')))
+ f[0] = '\0';
+
+ return buf[0] ? buf : NULL;
+}
+