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| author | Rob Landley <rob@landley.net> | 2015-12-06 13:39:07 -0600 |
|---|---|---|
| committer | Rob Landley <rob@landley.net> | 2015-12-06 13:39:07 -0600 |
| commit | 9e563e1c6c053ad848a15c30efbbe8a079154fb4 (patch) | |
| tree | f5fa7cada1a658ab4bd9cf817397474850498dd2 /toys/other/free.c | |
| parent | 21e80db17da160a60804f1e1e072f3665ead5628 (diff) | |
| download | toybox-9e563e1c6c053ad848a15c30efbbe8a079154fb4.tar.gz | |
Add free -h, based on a patch from Isabella Parakiss.
Diffstat (limited to 'toys/other/free.c')
| -rw-r--r-- | toys/other/free.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/toys/other/free.c b/toys/other/free.c index cf4abc52..0a4d69b9 100644 --- a/toys/other/free.c +++ b/toys/other/free.c @@ -2,7 +2,8 @@ * * Copyright 2012 Elie De Brauwer <eliedebrauwer@gmail.com> -USE_FREE(NEWTOY(free, "tgmkb[!tgmkb]", TOYFLAG_USR|TOYFLAG_BIN)) +// Flag order is signifcant: b-t are units in order, FLAG_h-1 is unit mask +USE_FREE(NEWTOY(free, "htgmkb[!htgmkb]", TOYFLAG_USR|TOYFLAG_BIN)) config FREE bool "free" @@ -13,6 +14,7 @@ config FREE Display the total, free and used amount of physical memory and swap space. -bkmgt Output units (default is bytes) + -h Human readable */ #define FOR_free @@ -21,11 +23,19 @@ config FREE GLOBALS( unsigned bits; unsigned long long units; + char *buf; ) -static unsigned long long convert(unsigned long d) +static char *convert(unsigned long d) { - return (d*TT.units)>>TT.bits; + long long ll = d*TT.units; + char *s = TT.buf; + + if (toys.optflags & FLAG_h) human_readable(s, ll, 0); + else sprintf(s, "%llu",ll>>TT.bits); + TT.buf += strlen(TT.buf)+1; + + return s; } void free_main(void) @@ -34,12 +44,13 @@ void free_main(void) sysinfo(&in); TT.units = in.mem_unit ? in.mem_unit : 1; - for (TT.bits = 0; toys.optflags && !(toys.optflags&(1<<TT.bits)); TT.bits++); + while ((toys.optflags&(FLAG_h-1)) && !(toys.optflags&(1<<TT.bits))) TT.bits++; TT.bits *= 10; + TT.buf = toybuf; xprintf("\t\ttotal used free shared buffers\n" - "Mem:%17llu%12llu%12llu%12llu%12llu\n-/+ buffers/cache:%15llu%12llu\n" - "Swap:%16llu%12llu%12llu\n", convert(in.totalram), + "Mem:%17s%12s%12s%12s%12s\n-/+ buffers/cache:%15s%12s\n" + "Swap:%16s%12s%12s\n", convert(in.totalram), convert(in.totalram-in.freeram), convert(in.freeram), convert(in.sharedram), convert(in.bufferram), convert(in.totalram - in.freeram - in.bufferram), convert(in.freeram + in.bufferram), convert(in.totalswap), |