package/base/embutils/free.patch

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   2 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   3 #
   4 # T2 SDE: package/.../embutils/free.patch
   5 # Copyright (C) 2004 - 2006 The T2 SDE Project
   6 #
   7 # More information can be found in the files COPYING and README.
   8 #
   9 # This patch file is dual-licensed. It is available under the license the
  10 # patched project is licensed under, as long as it is an OpenSource license
  11 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  12 # of the GNU General Public License as published by the Free Software
  13 # Foundation; either version 2 of the License, or (at your option) any later
  14 # version.
  15 # --- T2-COPYRIGHT-NOTE-END ---
  16
  17 A memory foodprint overview can be quite handy.
  18
  19   Rene Rebe <rene@exactcode.de>
  20
  21 --- ./Makefile~ 2006-08-03 12:54:04.000000000 +0200
  22 +++ ./Makefile  2006-11-05 11:43:25.000000000 +0100
  23 @@ -12,7 +12,8 @@
  24  domainname id ln mv cp yes which cat rm wc ls whoami mkfifo head install \
  25  sosrm soscp sosmv sosln soslns md5sum sleep2 allinone uniq tr mesg du \
  26  uuencode uudecode nohup nice cmp mktemp truncate strings test date \
  27 -printenv chrootuid renice
  28 +printenv chrootuid renice \
  29 +free
  30
  31  OS:=$(shell uname)
  32  ifeq ($(OS),Linux)
  33 --- /dev/null   2005-02-03 08:15:19.790903464 +0100
  34 +++ embutils-0.17-free/free.c   2005-02-07 01:35:28.941469088 +0100
  35 @@ -0,0 +1,89 @@
  36 +#include <unistd.h>
  37 +#include <fcntl.h>
  38 +#include <sys/vfs.h>
  39 +#include <stdlib.h>
  40 +
  41 +/* Rene Rebe <rene@exactcode.de>
  42 + * TODO: maybe support some options ... */
  43 +
  44 +#include "fmt_str.c"
  45 +#include "fmt_ulong.c"
  46 +#include "fmt_ulongpadright.c"
  47 +
  48 +int main(int argc, char* argv[]) {
  49 +  int fd=open("/proc/meminfo",O_RDONLY);
  50 +  char buf[4096];
  51 +  int len=read(fd,buf,4096);
  52 +  char *line, *max;
  53 +
  54 +  struct meminfo_t {
  55 +    const char* tag;
  56 +    int val;} meminfo [] = {
  57 +    "MemTotal", 0,
  58 +    "MemFree", 0,
  59 +    "Buffers", 0,
  60 +    "Cached", 0,
  61 +    "SwapTotal", 0,
  62 +    "SwapFree", 0,
  63 +    0, 0};
  64 +
  65 +  line = buf;
  66 +  max = buf + len;
  67 +  while (line < max)
  68 +  {
  69 +    struct meminfo_t* i = &meminfo[0];
  70 +    char* tmp2 = strchr(line, ' ');
  71 +    *(--tmp2) = 0;
  72 +
  73 +    for (;i->tag; i++) {
  74 +      if ( strcmp(line, i->tag) == 0 ) {
  75 +        tmp2++; while (*tmp2 == ' ') tmp2++;
  76 +       line = tmp2;
  77 +       tmp2 = strchr(tmp2, '\n');
  78 +       *tmp2 = 0;
  79 +       i->val = atol(line);
  80 +        line = tmp2 + 1;
  81 +       break;
  82 +      }
  83 +    }
  84 +    if (i->tag == 0)
  85 +      line = strchr(tmp2 + 1, '\n') + 1;
  86 +  }
  87 +
  88 +  len = 0;
  89 +  len+=fmt_str (buf+len,"             total       used       free     shared    buffers     cached\n");
  90 +
  91 +  len+=fmt_str (buf+len, "Mem:    ");
  92 +  len+=fmt_ulongpadright(buf+len,meminfo[0].val,10);
  93 +  buf[len]=' '; ++len;
  94 +  len+=fmt_ulongpadright(buf+len,meminfo[0].val - meminfo[1].val,10);
  95 +  buf[len]=' '; ++len;
  96 +  len+=fmt_ulongpadright(buf+len,meminfo[1].val,10);
  97 +  buf[len]=' '; ++len;
  98 +  len+=fmt_ulongpadright(buf+len,0,10);
  99 +  buf[len]=' '; ++len;
 100 +  len+=fmt_ulongpadright(buf+len,meminfo[2].val,10);
 101 +  buf[len]=' '; ++len;
 102 +  len+=fmt_ulongpadright(buf+len,meminfo[3].val,10);
 103 +  buf[len]='\n'; ++len;
 104 +
 105 +  len += fmt_str (buf+len, "-/+ buffers/cache: ");
 106 +  {
 107 +    int bc = meminfo[2].val + meminfo[3].val;
 108 +    len+=fmt_ulongpadright(buf+len,meminfo[0].val - meminfo[1].val - bc,10);
 109 +    buf[len]=' '; ++len;
 110 +    len+=fmt_ulongpadright(buf+len,meminfo[2].val + bc,10);
 111 +    buf[len]='\n'; ++len;
 112 +  }
 113 +
 114 +  len+=fmt_str (buf+len, "Swap:   ");
 115 +  len+=fmt_ulongpadright(buf+len,meminfo[4].val,10);
 116 +  buf[len]=' '; ++len;
 117 +  len+=fmt_ulongpadright(buf+len,meminfo[4].val - meminfo[5].val,10);
 118 +  buf[len]=' '; ++len;
 119 +  len+=fmt_ulongpadright(buf+len,meminfo[5].val,10);
 120 +  buf[len] = 0;
 121 +  puts(buf);
 122 +
 123 +  return 0;
 124 +}