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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [unix/] [getut.c] - Blame information for rev 258

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#ifndef _NO_GETUT
 
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
#include <utmp.h>
#include <_syslist.h>
#include <_ansi.h>
 
static int utmp_fd = -2;
static char *utmp_file = UTMP_FILE;
 
static struct utmp utmp_data;
 
void
setutent ()
{
  if (utmp_fd == -2)
    {
      utmp_fd = open (utmp_file, O_RDONLY);
    }
  lseek (utmp_fd, 0, SEEK_SET);
}
 
void
endutent ()
{
  close (utmp_fd);
  utmp_fd = -2;
}
 
void
utmpname (_CONST char *file)
{
  utmp_file = strdup (file);
}
 
struct utmp *
getutent ()
{
  if (utmp_fd == -2)
    setutent ();
  if (read (utmp_fd, &utmp_data, sizeof (utmp_data)) < sizeof (utmp_data))
    return 0;
  return &utmp_data;
}
 
struct utmp *
getutid (struct utmp *id)
{
  while (read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))
    {
      switch (id->ut_type)
        {
        case RUN_LVL:
        case BOOT_TIME:
        case OLD_TIME:
        case NEW_TIME:
          if (id->ut_type == utmp_data.ut_type)
            return &utmp_data;
        case INIT_PROCESS:
        case LOGIN_PROCESS:
        case USER_PROCESS:
        case DEAD_PROCESS:
          if (id->ut_id == utmp_data.ut_id)
            return &utmp_data;
        default:
          abort ();
        }
    }
  return 0;
}
 
struct utmp *
getutline (struct utmp *line)
{
  while (read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))
    {
      if ((utmp_data.ut_type == LOGIN_PROCESS ||
           utmp_data.ut_type == USER_PROCESS) &&
          !strncmp (utmp_data.ut_line, line->ut_line,
                    sizeof (utmp_data.ut_line)))
        return &utmp_data;
    }
 
  return 0;
}
 
#endif /* !_NO_GETUT  */

Line No.	Rev	Author	Line
1	207	jeremybenn	`#ifndef _NO_GETUT`
2
3			`#include <stdlib.h>`
4			`#include <string.h>`
5			`#include <fcntl.h>`
6			`#include <unistd.h>`
7			`#include <utmp.h>`
8			`#include <_syslist.h>`
9			`#include <_ansi.h>`
10
11			`static int utmp_fd = -2;`
12			`static char *utmp_file = UTMP_FILE;`
13
14			`static struct utmp utmp_data;`
15
16			`void`
17			`setutent ()`
18			`{`
19			`if (utmp_fd == -2)`
20			`{`
21			`utmp_fd = open (utmp_file, O_RDONLY);`
22			`}`
23			`lseek (utmp_fd, 0, SEEK_SET);`
24			`}`
25
26			`void`
27			`endutent ()`
28			`{`
29			`close (utmp_fd);`
30			`utmp_fd = -2;`
31			`}`
32
33			`void`
34			`utmpname (_CONST char *file)`
35			`{`
36			`utmp_file = strdup (file);`
37			`}`
38
39			`struct utmp *`
40			`getutent ()`
41			`{`
42			`if (utmp_fd == -2)`
43			`setutent ();`
44			`if (read (utmp_fd, &utmp_data, sizeof (utmp_data)) < sizeof (utmp_data))`
45			`return 0;`
46			`return &utmp_data;`
47			`}`
48
49			`struct utmp *`
50			`getutid (struct utmp *id)`
51			`{`
52			`while (read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))`
53			`{`
54			`switch (id->ut_type)`
55			`{`
56			`case RUN_LVL:`
57			`case BOOT_TIME:`
58			`case OLD_TIME:`
59			`case NEW_TIME:`
60			`if (id->ut_type == utmp_data.ut_type)`
61			`return &utmp_data;`
62			`case INIT_PROCESS:`
63			`case LOGIN_PROCESS:`
64			`case USER_PROCESS:`
65			`case DEAD_PROCESS:`
66			`if (id->ut_id == utmp_data.ut_id)`
67			`return &utmp_data;`
68			`default:`
69			`abort ();`
70			`}`
71			`}`
72			`return 0;`
73			`}`
74
75			`struct utmp *`
76			`getutline (struct utmp *line)`
77			`{`
78			`while (read (utmp_fd, &utmp_data, sizeof (utmp_data)) == sizeof (utmp_data))`
79			`{`
80			`if ((utmp_data.ut_type == LOGIN_PROCESS \|\|`
81			`utmp_data.ut_type == USER_PROCESS) &&`
82			`!strncmp (utmp_data.ut_line, line->ut_line,`
83			`sizeof (utmp_data.ut_line)))`
84			`return &utmp_data;`
85			`}`
86
87			`return 0;`
88			`}`
89
90			`#endif /* !_NO_GETUT */`

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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [unix/] [getut.c] - Blame information for rev 258