Chillcraft/libgtop
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Major code cleanups, we now use open () and read ().

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This commit is contained in:
Martin Baulig
1998-08-16 13:37:14 +00:00
parent 486cc220c4
commit 36657db940
6 changed files with 162 additions and 49 deletions
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30
sysdeps/linux/mem.c
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@@ -44,22 +44,36 @@ glibtop_init_mem_s (glibtop *server)
void
glibtop_get_mem_s (glibtop *server, glibtop_mem *buf)
{
FILE *f;
char buffer [BUFSIZ], *p;
int fd, len;
glibtop_init_s (&server, GLIBTOP_SYSDEPS_MEM, 0);
memset (buf, 0, sizeof (glibtop_mem));
buf->flags = _glibtop_sysdeps_mem;
fd = open (FILENAME, O_RDONLY);
if (fd < 0)
glibtop_error_io_r (server, "open (%s)", FILENAME);
f = fopen ("/proc/meminfo", "r");
if (!f) return;
len = read (fd, buffer, BUFSIZ-1);
if (len < 0)
glibtop_error_io_r (server, "read (%s)", FILENAME);
fscanf (f, "%*[^\n]\nMem: %Lu %Lu %Lu %Lu %Lu %Lu\n",
&buf->total, &buf->used, &buf->free, &buf->shared,
&buf->buffer, &buf->cached);
close (fd);
buffer [len] = '\0';
p = skip_line (buffer);
p = skip_token (p); /* "Mem:" */
buf->total = strtoul (p, &p, 0);
buf->used = strtoul (p, &p, 0);
buf->free = strtoul (p, &p, 0);
buf->shared = strtoul (p, &p, 0);
buf->buffer = strtoul (p, &p, 0);
buf->cached = strtoul (p, &p, 0);
buf->user = buf->total - buf->free - buf->shared - buf->buffer;
fclose (f);
buf->flags = _glibtop_sysdeps_mem;
}