commit aa689092b9b76e041c60d5a70fd18d10ef0742b3
Author: sin <sin@2f30.org>
Date: Sat, 14 May 2016 17:47:02 +0100
Initial commit
Diffstat:
| A | spoon.c | | | 77 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 77 insertions(+), 0 deletions(-)
diff --git a/spoon.c b/spoon.c
@@ -0,0 +1,77 @@
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#define LEN(x) (sizeof (x) / sizeof *(x))
+
+int mpdread(char *buf, size_t len);
+int dateread(char *buf, size_t len);
+int dummyread(char *buf, size_t len);
+
+struct ent {
+ char *fmt;
+ int (*read)(char *, size_t);
+} ents[] = {
+ { .fmt = "[%s]", .read = mpdread },
+ { .fmt = " ", .read = dummyread },
+ { .fmt = "%s", .read = dateread },
+};
+
+int
+mpdread(char *buf, size_t len)
+{
+ strlcpy(buf, "mpd", len);
+ return 0;
+}
+
+int
+dateread(char *buf, size_t len)
+{
+ struct tm *now;
+ time_t t;
+
+ time(&t);
+ now = localtime(&t);
+ if (now == NULL)
+ return -1;
+ strftime(buf, len, "%c", now);
+ return 0;
+}
+
+int
+dummyread(char *buf, size_t len)
+{
+ buf[0] = '\0';
+ return 0;
+}
+
+void
+entcat(char *line, size_t len)
+{
+ char buf[BUFSIZ];
+ char *s, *e;
+ struct ent *ent;
+ int ret;
+ int i;
+
+ s = line;
+ e = line + len;
+ for (i = 0; i < LEN(ents); i++) {
+ ent = &ents[i];
+ ret = ent->read(buf, sizeof(buf));
+ if (ret == 0 && s < e)
+ s += snprintf(s, e - s, ent->fmt, buf);
+ }
+}
+
+int
+main(void)
+{
+ char line[BUFSIZ];
+ entcat(line, sizeof(line));
+ puts(line);
+ return 0;
+}
