diff options
| -rw-r--r-- | include/libbb.h | 2 | ||||
| -rw-r--r-- | procps/watch.c | 17 |
2 files changed, 14 insertions, 5 deletions
diff --git a/include/libbb.h b/include/libbb.h index 3366df30f..7a1e13875 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -1040,9 +1040,11 @@ uint16_t xatou16(const char *numstr) FAST_FUNC; #if ENABLE_FLOAT_DURATION typedef double duration_t; void sleep_for_duration(duration_t duration) FAST_FUNC; +#define DURATION_FMT "f" #else typedef unsigned duration_t; #define sleep_for_duration(duration) sleep(duration) +#define DURATION_FMT "u" #endif duration_t parse_duration_str(char *str) FAST_FUNC; diff --git a/procps/watch.c b/procps/watch.c index dbe427aad..059eb1dda 100644 --- a/procps/watch.c +++ b/procps/watch.c @@ -22,7 +22,7 @@ //usage: "[-n SEC] [-t] PROG ARGS" //usage:#define watch_full_usage "\n\n" //usage: "Run PROG periodically\n" -//usage: "\n -n Loop period in seconds (default 2)" +//usage: "\n -n SEC Loop period (default 2)" //usage: "\n -t Don't print header" //usage: //usage:#define watch_example_usage @@ -51,8 +51,9 @@ int watch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int watch_main(int argc UNUSED_PARAM, char **argv) { + duration_t period; + char *period_str = (char*) "2"; unsigned opt; - unsigned period = 2; unsigned width, new_width; char *header; char *cmd; @@ -65,7 +66,7 @@ int watch_main(int argc UNUSED_PARAM, char **argv) // "+": stop at first non-option (procps 3.x only); -n NUM // at least one param - opt = getopt32(argv, "^+" "dtn:+" "\0" "-1", &period); + opt = getopt32(argv, "^+" "dtn:" "\0" "-1", &period_str); argv += optind; // watch from both procps 2.x and 3.x does concatenation. Example: @@ -74,6 +75,7 @@ int watch_main(int argc UNUSED_PARAM, char **argv) while (*++argv) cmd = xasprintf("%s %s", cmd, *argv); // leaks cmd + period = parse_duration_str(period_str); width = (unsigned)-1; // make sure first time new_width != width header = NULL; while (1) { @@ -88,7 +90,12 @@ int watch_main(int argc UNUSED_PARAM, char **argv) if (new_width != width) { width = new_width; free(header); - header = xasprintf("Every %us: %-*s", period, (int)width, cmd); + header = xasprintf("Every" + " %"IF_FLOAT_DURATION(".1")DURATION_FMT"s:" + " %-*s", + period, + (int)width, cmd + ); } if (time_len < width) { strftime_YYYYMMDDHHMMSS( @@ -106,7 +113,7 @@ int watch_main(int argc UNUSED_PARAM, char **argv) // and does not allow it to overflow the screen // (taking into account linewrap!) system(cmd); - sleep(period); + sleep_for_duration(period); } return 0; // gcc thinks we can reach this :) } |