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Fix segfault

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PR:		33069
Submitted by:	ppl <ppl@users.sourceforge.net>
This commit is contained in:
Patrick Li 2001-12-22 02:34:03 +00:00
parent ca4e2fd99e
commit 1d6de8f32d
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=51960
1 changed files with 104 additions and 0 deletions
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104
sysutils/wmzazof/files/patch-wmzazof.c Normal file
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@ -0,0 +1,104 @@
--- wmzazof.c Mon Dec 17 13:55:01 2001
+++ wmzazof-patch.c Tue Dec 18 12:04:23 2001
@@ -24,6 +24,11 @@
#include <dockapp.h>
#include <unistd.h>
#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/sysctl.h>
+#include <sys/vmmeter.h>
+#include <vm/vm_param.h>
#include "pix/master.xpm"
#include "pix/numbers.xpm"
#include "pix/char.xpm"
@@ -61,6 +66,9 @@
char *displayName = "";
+struct timeval boottime;
+int page_size;
+
unsigned int *cmdline;
FILE *file;
@@ -130,43 +138,22 @@
void check_values()
{
- char input[128];
- char* token = " ";
- char* uptime_s;
- char* mem_used_s;
- char* mem_free_s;
- char* mem_cached_s;
- char* temp_s;
+ time_t now = time(NULL);
+ int mib[2] = { CTL_VM, VM_METER }, mcs = sizeof(mem_cached);
+ struct vmtotal meter;
+ size_t size = sizeof(meter);
- /* /proc/uptime
- *
- * first value is the uptime in seconds
- */
- file = fopen("/proc/uptime", "r");
- fgets(input, 128, file);
- fclose(file);
- uptime_s = strtok(input, token);
// uptime in seconds
- uptime = atoi(uptime_s);
-
- /* /proc/meminfo
- *
- */
- file = fopen("/proc/meminfo", "r");
- fgets(input, 128, file);
- fgets(input, 128, file);
- fclose(file);
- temp_s = strtok(input, token);
- temp_s = strtok(NULL, token); // total
- mem_used_s = strtok(NULL, token); // used
- mem_free_s = strtok(NULL, token); // free
- temp_s = strtok(NULL, token); // shared
- temp_s = strtok(NULL, token); // buffers
- mem_cached_s = strtok(NULL, token); // cached
+ uptime = now - boottime.tv_sec;
+
// in Kb
- mem_used = atoi(mem_used_s) / 1024;
- mem_free = atoi(mem_free_s) / 1024;
- mem_cached = atoi(mem_cached_s) / 1024;
+ if (sysctl(mib, 2, &meter, &size, NULL, 0) != -1 &&
+ sysctlbyname("vm.stats.vm.v_cache_count", &mem_cached, &mcs, NULL, 0) != -1)
+ {
+ mem_used = meter.t_rm * page_size / 1024;
+ mem_free = meter.t_free * page_size / 1024;
+ mem_cached = mem_cached * page_size / 1024;
+ }
}
void transform_values()
@@ -219,6 +206,9 @@
int main (int argc, char **argv)
{
unsigned int height, width;
+
+ int mib[2] = { CTL_KERN, KERN_BOOTTIME };
+ size_t size_bt = sizeof(boottime), size_ps = sizeof(page_size);
DACallbacks callbacks = { NULL, buttonPressCallback, NULL, NULL, NULL, NULL, NULL };
@@ -238,6 +228,12 @@
state_mem_free = MEM_FREE_CACHED;
state_mem_used = MEM_USED_CACHED;
+ if (sysctl(mib, 2, &boottime, &size_bt, NULL, 0) == -1 ||
+ sysctlbyname("vm.stats.vm.v_page_size", &page_size, &size_ps, NULL, 0) == -1)
+ {
+ perror(NULL);
+ exit(EXIT_FAILURE);
+ }
while (1)
{