spoon

set dwm status
git clone git://git.2f30.org/spoon.git
Log | Files | Refs | LICENSE

commit aa689092b9b76e041c60d5a70fd18d10ef0742b3
Author: sin <sin@2f30.org>
Date:   Sat May 14 17:47:02 +0100

Initial commit

Diffstat:
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; +}