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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [unix/] [getpwent.c] - Blame information for rev 1773

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#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
 
static struct passwd pw_passwd; /* password structure */
static FILE *passwd_fp;
 
static char logname[8];
static char password[1024];
static char gecos[1024];
static char dir[1024];
static char shell[1024];
 
struct passwd *
getpwnam (name)
     const char *name;
{
  FILE *fp;
  char buf[1024];
 
  if ((fp = fopen ("/etc/passwd", "r")) == NULL)
    {
      return NULL;
    }
 
  while (fgets (buf, sizeof (buf), fp))
    {
      sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",
              logname, password, &pw_passwd.pw_uid,
             &pw_passwd.pw_gid, gecos,
              dir, shell);
      pw_passwd.pw_name = logname;
      pw_passwd.pw_passwd = password;
      pw_passwd.pw_comment = "";
      pw_passwd.pw_gecos = gecos;
      pw_passwd.pw_dir = dir;
      pw_passwd.pw_shell = shell;
 
      if (!strcmp (logname, name))
        {
          fclose (fp);
          return &pw_passwd;
        }
    }
  fclose (fp);
  return NULL;
}
 
struct passwd *
getpwuid (uid_t uid)
{
  FILE *fp;
  char buf[1024];
 
  if ((fp = fopen ("/etc/passwd", "r")) == NULL)
    {
      return NULL;
    }
 
  while (fgets (buf, sizeof (buf), fp))
    {
      sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",
              logname, password, &pw_passwd.pw_uid,
             &pw_passwd.pw_gid, gecos,
              dir, shell);
      pw_passwd.pw_name = logname;
      pw_passwd.pw_passwd = password;
      pw_passwd.pw_comment = "";
      pw_passwd.pw_gecos = gecos;
      pw_passwd.pw_dir = dir;
      pw_passwd.pw_shell = shell;
 
      if (uid == pw_passwd.pw_uid)
        {
          fclose (fp);
          return &pw_passwd;
        }
    }
  fclose (fp);
  return NULL;
}
 
struct passwd *
getpwent ()
{
  char buf[1024];
 
  if (passwd_fp == NULL)
    return NULL;
 
  if (fgets (buf, sizeof (buf), passwd_fp) == NULL)
    return NULL;
 
  sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",
          logname, password, &pw_passwd.pw_uid,
         &pw_passwd.pw_gid, gecos,
          dir, shell);
  pw_passwd.pw_name = logname;
  pw_passwd.pw_passwd = password;
  pw_passwd.pw_comment = "";
  pw_passwd.pw_gecos = gecos;
  pw_passwd.pw_dir = dir;
  pw_passwd.pw_shell = shell;
 
  return &pw_passwd;
}
 
void
setpwent ()
{
  if (passwd_fp != NULL)
    fclose (passwd_fp);
 
  passwd_fp = fopen ("/etc/passwd", "r");
}
 
void
endpwent ()
{
  if (passwd_fp != NULL)
    fclose (passwd_fp);
}

Line No.	Rev	Author	Line
1	1010	ivang	`#include <stdio.h>`
2			`#include <sys/types.h>`
3			`#include <pwd.h>`
4			`#include <errno.h>`
5			`#include <unistd.h>`
6			`#include <stdlib.h>`
7			`#include <string.h>`
8			`#include <limits.h>`
9
10			`static struct passwd pw_passwd; /* password structure */`
11			`static FILE *passwd_fp;`
12
13			`static char logname[8];`
14			`static char password[1024];`
15			`static char gecos[1024];`
16			`static char dir[1024];`
17			`static char shell[1024];`
18
19			`struct passwd *`
20			`getpwnam (name)`
21			`const char *name;`
22			`{`
23			`FILE *fp;`
24			`char buf[1024];`
25
26			`if ((fp = fopen ("/etc/passwd", "r")) == NULL)`
27			`{`
28			`return NULL;`
29			`}`
30
31			`while (fgets (buf, sizeof (buf), fp))`
32			`{`
33			`sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",`
34			`logname, password, &pw_passwd.pw_uid,`
35			`&pw_passwd.pw_gid, gecos,`
36			`dir, shell);`
37			`pw_passwd.pw_name = logname;`
38			`pw_passwd.pw_passwd = password;`
39			`pw_passwd.pw_comment = "";`
40			`pw_passwd.pw_gecos = gecos;`
41			`pw_passwd.pw_dir = dir;`
42			`pw_passwd.pw_shell = shell;`
43
44			`if (!strcmp (logname, name))`
45			`{`
46			`fclose (fp);`
47			`return &pw_passwd;`
48			`}`
49			`}`
50			`fclose (fp);`
51			`return NULL;`
52			`}`
53
54			`struct passwd *`
55			`getpwuid (uid_t uid)`
56			`{`
57			`FILE *fp;`
58			`char buf[1024];`
59
60			`if ((fp = fopen ("/etc/passwd", "r")) == NULL)`
61			`{`
62			`return NULL;`
63			`}`
64
65			`while (fgets (buf, sizeof (buf), fp))`
66			`{`
67			`sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",`
68			`logname, password, &pw_passwd.pw_uid,`
69			`&pw_passwd.pw_gid, gecos,`
70			`dir, shell);`
71			`pw_passwd.pw_name = logname;`
72			`pw_passwd.pw_passwd = password;`
73			`pw_passwd.pw_comment = "";`
74			`pw_passwd.pw_gecos = gecos;`
75			`pw_passwd.pw_dir = dir;`
76			`pw_passwd.pw_shell = shell;`
77
78			`if (uid == pw_passwd.pw_uid)`
79			`{`
80			`fclose (fp);`
81			`return &pw_passwd;`
82			`}`
83			`}`
84			`fclose (fp);`
85			`return NULL;`
86			`}`
87
88			`struct passwd *`
89			`getpwent ()`
90			`{`
91			`char buf[1024];`
92
93			`if (passwd_fp == NULL)`
94			`return NULL;`
95
96			`if (fgets (buf, sizeof (buf), passwd_fp) == NULL)`
97			`return NULL;`
98
99			`sscanf (buf, "%[^:]:%[^:]:%d:%d:%[^:]:%[^:]:%s\n",`
100			`logname, password, &pw_passwd.pw_uid,`
101			`&pw_passwd.pw_gid, gecos,`
102			`dir, shell);`
103			`pw_passwd.pw_name = logname;`
104			`pw_passwd.pw_passwd = password;`
105			`pw_passwd.pw_comment = "";`
106			`pw_passwd.pw_gecos = gecos;`
107			`pw_passwd.pw_dir = dir;`
108			`pw_passwd.pw_shell = shell;`
109
110			`return &pw_passwd;`
111			`}`
112
113			`void`
114			`setpwent ()`
115			`{`
116			`if (passwd_fp != NULL)`
117			`fclose (passwd_fp);`
118
119			`passwd_fp = fopen ("/etc/passwd", "r");`
120			`}`
121
122			`void`
123			`endpwent ()`
124			`{`
125			`if (passwd_fp != NULL)`
126			`fclose (passwd_fp);`
127			`}`

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[/] [or1k/] [trunk/] [newlib-1.10.0/] [newlib/] [libc/] [unix/] [getpwent.c] - Blame information for rev 1773