diff options
Diffstat (limited to 'toys/pending/watch.c')
| -rw-r--r-- | toys/pending/watch.c | 43 |
1 files changed, 29 insertions, 14 deletions
diff --git a/toys/pending/watch.c b/toys/pending/watch.c index 9ed3e9b7..b7fdb5c4 100644 --- a/toys/pending/watch.c +++ b/toys/pending/watch.c @@ -3,7 +3,7 @@ * Copyright 2013 Sandeep Sharma <sandeep.jack2756@gmail.com> * Copyright 2013 Kyungwan Han <asura321@gmail.com> * -USE_WATCH(NEWTOY(watch, "^<1n#<0=2t", TOYFLAG_USR|TOYFLAG_BIN)) +USE_WATCH(NEWTOY(watch, "^<1n#<0=2te", TOYFLAG_USR|TOYFLAG_BIN)) config WATCH bool "watch" @@ -15,41 +15,56 @@ config WATCH -n Loop period in seconds (default 2) -t Don't print header + -e Freeze updates on command error, and exit after enter. */ #define FOR_watch #include "toys.h" GLOBALS( - int interval; + int interval; ) void watch_main(void) { int i = 0, hlen; time_t t; - unsigned width = 80, len = sizeof("1234-67-90 23:56:89");//time format + unsigned width = 80, len = sizeof("Www Mmm dd hh:mm:ss yyyy") - 1 ; char *header, *cmd = *toys.optargs; + int retval; - while(toys.optargs[++i]) cmd = xmsprintf("%s %s", cmd, toys.optargs[i]); + while(toys.optargs[++i]) + { + char * oldcmd = cmd; + cmd = xmsprintf("%s %s", oldcmd, toys.optargs[i]); + if (CFG_TOYBOX_FREE) free(oldcmd); + } header = xmsprintf("Every %us: %s", TT.interval, cmd); + hlen = strlen(header); while(1) { xprintf("\033[H\033[J"); if(!(toys.optflags & FLAG_t)) { - xprintf("%s", header); - hlen = strlen(header); terminal_size(&width, NULL); if (!width) width = 80; //on serial it may return 0. - if (width > (hlen + len)) { - time(&t); - strftime(toybuf, len, "%Y-%m-%d %H:%M:%S", localtime(&t)); - xprintf("%*s", width - hlen, toybuf); - } - xprintf("\n\n"); // 1'\n' for space between header and result + time(&t); + if (width > (hlen + len)) xprintf("%s", header); + if(width >= len) + xprintf("%*s\n",width + ((width > (hlen + len))?-hlen:0) + 1, ctime(&t)); + else + xprintf("\n\n"); } fflush(NULL); //making sure the screen is clear - system(cmd); + retval = system(cmd); + if ((toys.optflags & FLAG_e) && retval){ + xprintf("command exit with non-zero status, press enter to exit\n"); + getchar(); + break; + } sleep(TT.interval); } - if (CFG_TOYBOX_FREE) free(header); + + if (CFG_TOYBOX_FREE){ + free(header); + if (cmd != *toys.optargs) free(cmd); + } } |