calo/unpacking/readev1.c

/***************************************************************
 *
 * routine read_ev: routine to extract an event information 
 * from file acquired with Pamela acquisition programs
 *
 * June 2002
 *
 ***************************************************************/
/*
 * include needed system headers
 */
#include <stdio.h>       /* include standard i/o library */
#include <stdlib.h>      /* include standard library */
#include <string.h>      /* include string library */
#include <unistd.h>      /* include unix standard library */
#include <sys/types.h>   /* */
#include <sys/stat.h>    /* */
#include <fcntl.h>       /* */
#include <errno.h>       /* error simbol definitions */
#include <time.h>        /* system time definitions */
#include <math.h>        /* math library */

void readev_(long *data, int *error, int *fd)
{
  long header;
  const char *hdr = (char *)&header;

  *error = 0;

/* search the header */ 

  *error = read(*fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
  printf ("%d \n", header); 
  *error = read(*fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
  /*  header >>= 32;*/
  /*  len = 0; */
  /*printf ("%d \n", header); */
  while (!(*error) && (header != 0x00defefa)) {
  printf ("%d \n", header);
  *error = read(*fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
  }
  if (*error) return;      /* file read error searching the header: exit */

/* read the event number */
/*  *error = read(*fd,evnum,sizeof(long)) == sizeof(long) ? 0 : -1;  if (*error) return;      /* error reading the event number: exit */ 

/* read the system time */
/*  *error = read(*fd,systime,sizeof(long)) == sizeof(long) ? 0 : -1;  if (*error) return;      /* error reading the system time: exit */

/* read the event length */
/*  *error = read(*fd,len,sizeof(long)) == sizeof(long) ? 0 : -1;    if (*error) return;      /* error reading the event length: exit */

/* read the packet */
/*  *error = read(*fd,data,sizeof(char)*(*len)) == sizeof(char)*(*len) ? 0 : -1;*/
    /*  if (*error) return;      /* error reading the event length: exit */
  /*  swab(data,data,*len);*/
  /*  *error = 0;*/

}


1	/***************************************************************
2	*
3	* routine read_ev: routine to extract an event information
4	* from file acquired with Pamela acquisition programs
5	*
6	* June 2002
7	*
8	***************************************************************/
9	/*
10	* include needed system headers
11	*/
12	#include <stdio.h> /* include standard i/o library */
13	#include <stdlib.h> /* include standard library */
14	#include <string.h> /* include string library */
15	#include <unistd.h> /* include unix standard library */
16	#include <sys/types.h> /* */
17	#include <sys/stat.h> /* */
18	#include <fcntl.h> /* */
19	#include <errno.h> /* error simbol definitions */
20	#include <time.h> /* system time definitions */
21	#include <math.h> /* math library */
22
23	void readev_(long data, int error, int *fd)
24	{
25	long header;
26	const char hdr = (char )&header;
27
28	*error = 0;
29
30	/* search the header */
31
32	error = read(fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
33	printf ("%d \n", header);
34	error = read(fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
35	/* header >>= 32;*/
36	/* len = 0; */
37	/printf ("%d \n", header); /
38	while (!(*error) && (header != 0x00defefa)) {
39	printf ("%d \n", header);
40	error = read(fd,&header,sizeof(long)) == sizeof(long) ? 0 : -1;
41	}
42	if (error) return; / file read error searching the header: exit */
43
44	/* read the event number */
45	/* error = read(fd,evnum,sizeof(long)) == sizeof(long) ? 0 : -1; if (error) return; / error reading the event number: exit */
46
47	/* read the system time */
48	/* error = read(fd,systime,sizeof(long)) == sizeof(long) ? 0 : -1; if (error) return; / error reading the system time: exit */
49
50	/* read the event length */
51	/* error = read(fd,len,sizeof(long)) == sizeof(long) ? 0 : -1; if (error) return; / error reading the event length: exit */
52
53	/* read the packet */
54	/* error = read(fd,data,sizeof(char)(len)) == sizeof(char)(len) ? 0 : -1;*/
55	/* if (error) return; / error reading the event length: exit */
56	/* swab(data,data,len);/
57	/* error = 0;/
58
59	}
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