File: scimem.c

package info (click to toggle)
scilab 2.2-4
  • links: PTS
  • area: non-free
  • in suites: hamm
  • size: 31,472 kB
  • ctags: 21,963
  • sloc: fortran: 110,983; ansic: 89,717; makefile: 3,016; sh: 1,892; csh: 150; cpp: 101
file content (41 lines) | stat: -rw-r--r-- 743 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
#include <string.h>
#include <malloc.h>

#include "../machine.h"

char *the_p=NULL;
char *the_ps=NULL;
/* static  char *the_p,*the_ps;*/

extern struct {
  double stk_1[2];
} C2F(stack);

integer C2F(scimem)(n,ptr)
integer *n, *ptr;
{
  char *p1;
  if (*n > 0){
    /* add 1 for alignment problems */
    p1 = (char *) malloc((unsigned)sizeof(double) * (*n + 1));
    if (p1 != NULL) {
      the_ps = the_p;
      the_p = p1;
      /* add 1 for alignment problems */
      *ptr = ((int) (the_p - (char *)C2F(stack).stk_1))/sizeof(double) + 1;
    }
    else 
      {
	if (the_p == NULL) {
	  sciprint("No space to allocate Scilab stack\r\n");
	  exit(1); 
	}
	*ptr=0;
      }
  }
}

void C2F(freemem)()
{
  if (the_ps != NULL) free(the_ps);
}