src/utils/residentMem.c

#include <config.h> 
#include <string.h> 
#include <stdio.h>

#define to_string( s ) # s
#define STR_DEFINE(t, s) t = to_string(s)

double residentMem () {

  FILE* procresults;
  char buf[150];
  char* foo;
  long int myRSS, totRSS;
  char pscommand[150];
  char* psPath;

  STR_DEFINE(psPath, PSCOMMAND );
 
  // null terminated string is one longer....
  strncpy(pscommand, psPath, strlen(psPath)+1);

#if PSTYPE == BSD
  strcat(pscommand, " ax -o rss");
#else
  strcat(pscommand, " -ef -o rss");
#endif

  printf("doing %s\n", pscommand);

  procresults = popen(pscommand, "r");

  totRSS = 0;
  while (!feof(procresults)) {
    fgets( buf, 150, procresults);
    if (!strcmp(buf, " RSS")) continue;
        
    foo = strtok(buf, " ,;\t");
    myRSS = atoi(foo);
    totRSS += myRSS;
  } 
  pclose(procresults);

  return(totRSS);

}
Revision:	2028
Committed:	Tue Feb 15 06:17:03 2005 UTC (20 years, 8 months ago) by gezelter
Content type:	text/plain
File size:	839 byte(s)
Log Message:	bug fix for null termination
#	User	Rev	Content
1	gezelter	2024	#include <config.h>
2			#include <string.h>
3			#include <stdio.h>
4
5	gezelter	2027	#define to_string( s ) # s
6			#define STR_DEFINE(t, s) t = to_string(s)
7
8	gezelter	2024	double residentMem () {
9
10			FILE* procresults;
11			char buf[150];
12			char* foo;
13			long int myRSS, totRSS;
14	gezelter	2026	char pscommand[150];
15	gezelter	2027	char* psPath;
16	gezelter	2024
17	gezelter	2027	STR_DEFINE(psPath, PSCOMMAND );
18	gezelter	2028
19			// null terminated string is one longer....
20			strncpy(pscommand, psPath, strlen(psPath)+1);
21	gezelter	2024
22			#if PSTYPE == BSD
23			strcat(pscommand, " ax -o rss");
24			#else
25			strcat(pscommand, " -ef -o rss");
26			#endif
27
28	gezelter	2028	printf("doing %s\n", pscommand);
29
30	gezelter	2024	procresults = popen(pscommand, "r");
31
32			totRSS = 0;
33			while (!feof(procresults)) {
34			fgets( buf, 150, procresults);
35			if (!strcmp(buf, " RSS")) continue;
36
37			foo = strtok(buf, " ,;\t");
38			myRSS = atoi(foo);
39			totRSS += myRSS;
40			}
41			pclose(procresults);
42
43			return(totRSS);
44
45			}