ReactOS 0.4.15-dev-5666-gc548b97
various.h File Reference
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Macros

#define __P(x)   x
 
#define UT_LINESIZE   8
 
#define UT_HOSTSIZE   16
 
#define S_ISREG(mode)   (((mode)&0xF000) == 0x8000)
 
#define S_ISDIR(mode)   (((mode)&0xF000) == 0x4000)
 
#define MIN(a, b)   ((a) <= (b) ? (a) : (b))
 
#define MAX(a, b)   ((a) > (b) ? (a) : (b))
 
#define bcopy(s1, s2, n)   memmove(s2, s1, n)
 
#define bcmp(s1, s2, n)   (memcmp(s1, s2, n) != 0)
 
#define bzero(s, n)   memset(s, 0, n)
 
#define index(s, c)   strchr(s, c)
 
#define rindex(s, c)   strrchr(s, c)
 

Typedefs

typedef float f4byte_t
 
typedef double f8byte_t
 
typedef long uid_t
 

Functions

void netfinger (char *)
 

Macro Definition Documentation

◆ __P

#define __P (   x)    x

Definition at line 10 of file various.h.

◆ bcmp

#define bcmp (   s1,
  s2,
  n 
)    (memcmp(s1, s2, n) != 0)

Definition at line 26 of file various.h.

◆ bcopy

#define bcopy (   s1,
  s2,
  n 
)    memmove(s2, s1, n)

Definition at line 25 of file various.h.

◆ bzero

#define bzero (   s,
  n 
)    memset(s, 0, n)

Definition at line 27 of file various.h.

◆ index

#define index (   s,
  c 
)    strchr(s, c)

Definition at line 29 of file various.h.

◆ MAX

#define MAX (   a,
  b 
)    ((a) > (b) ? (a) : (b))

Definition at line 23 of file various.h.

◆ MIN

#define MIN (   a,
  b 
)    ((a) <= (b) ? (a) : (b))

Definition at line 22 of file various.h.

◆ rindex

#define rindex (   s,
  c 
)    strrchr(s, c)

Definition at line 30 of file various.h.

◆ S_ISDIR

#define S_ISDIR (   mode)    (((mode)&0xF000) == 0x4000)

Definition at line 18 of file various.h.

◆ S_ISREG

#define S_ISREG (   mode)    (((mode)&0xF000) == 0x8000)

Definition at line 17 of file various.h.

◆ UT_HOSTSIZE

#define UT_HOSTSIZE   16

Definition at line 14 of file various.h.

◆ UT_LINESIZE

#define UT_LINESIZE   8

Definition at line 13 of file various.h.

Typedef Documentation

◆ f4byte_t

typedef float f4byte_t

Definition at line 6 of file various.h.

◆ f8byte_t

typedef double f8byte_t

Definition at line 7 of file various.h.

◆ uid_t

typedef long uid_t

Definition at line 8 of file various.h.

Function Documentation

◆ netfinger()

void netfinger ( char name)

Definition at line 40 of file net.c.

41{
42 extern int lflag;
43 char c, lastc;
44 struct in_addr defaddr;
45 struct hostent *hp, def;
46 struct servent *sp;
47 struct sockaddr_in sin;
48 SOCKET s;
49 char *alist[1], *host;
50
51 /* If this is a local request */
52 if (!(host = rindex(name, '@')))
53 return;
54
55 *host++ = '\0';
56 if (isdigit(*host) && (defaddr.s_addr = inet_addr(host)) != (unsigned long)-1) {
57 def.h_name = host;
58 def.h_addr_list = alist;
59 def.h_addr = (char *)&defaddr;
60 def.h_length = sizeof(struct in_addr);
61 def.h_addrtype = AF_INET;
62 def.h_aliases = 0;
63 hp = &def;
64 } else if (!(hp = gethostbyname(host))) {
66 "finger: unknown host: %s\n", host);
67 return;
68 }
69 if (!(sp = getservbyname("finger", "tcp"))) {
70 (void)fprintf(stderr, "finger: tcp/finger: unknown service\n");
71 return;
72 }
73 sin.sin_family = hp->h_addrtype;
74 bcopy(hp->h_addr, (char *)&sin.sin_addr, hp->h_length);
75 sin.sin_port = sp->s_port;
76 if ((s = socket(hp->h_addrtype, SOCK_STREAM, 0)) == INVALID_SOCKET) {
77 perror("finger: socket");
78 return;
79 }
80
81 /* have network connection; identify the host connected with */
82 (void)printf("[%s]\n", hp->h_name);
83 if (connect(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
84 fprintf(stderr, "finger: connect rc = %d", WSAGetLastError());
86 return;
87 }
88
89 /* -l flag for remote fingerd */
90 if (lflag)
91 send(s, "/W ", 3, 0);
92 /* send the name followed by <CR><LF> */
93 send(s, name, strlen(name), 0);
94 send(s, "\r\n", 2, 0);
95
96 /*
97 * Read from the remote system; once we're connected, we assume some
98 * data. If none arrives, we hang until the user interrupts.
99 *
100 * If we see a <CR> or a <CR> with the high bit set, treat it as
101 * a newline; if followed by a newline character, only output one
102 * newline.
103 *
104 * Otherwise, all high bits are stripped; if it isn't printable and
105 * it isn't a space, we can simply set the 7th bit. Every ASCII
106 * character with bit 7 set is printable.
107 */
108 lastc = 0;
109 while (recv(s, &c, 1, 0) == 1) {
110 c &= 0x7f;
111 if (c == 0x0d) {
112 if (lastc == '\r') /* ^M^M - skip dupes */
113 continue;
114 c = '\n';
115 lastc = '\r';
116 } else {
117 if (!isprint(c) && !isspace(c))
118 c |= 0x40;
119 if (lastc != '\r' || c != '\n')
120 lastc = c;
121 else {
122 lastc = '\n';
123 continue;
124 }
125 }
126 putchar(c);
127 }
128 if (lastc != '\n')
129 putchar('\n');
130 putchar('\n');
132}
_STLP_DECLSPEC complex< float > _STLP_CALL sin(const complex< float > &)
#define isspace(c)
Definition: acclib.h:69
#define isdigit(c)
Definition: acclib.h:68
ACPI_SIZE strlen(const char *String)
Definition: utclib.c:269
#define isprint(c)
Definition: acclib.h:73
#define bcopy(s1, s2, n)
Definition: various.h:25
#define rindex(s, c)
Definition: various.h:30
int putchar(int c)
Definition: crtsupp.c:12
INT WSAAPI recv(IN SOCKET s, OUT CHAR FAR *buf, IN INT len, IN INT flags)
Definition: recv.c:23
INT WSAAPI send(IN SOCKET s, IN CONST CHAR FAR *buf, IN INT len, IN INT flags)
Definition: send.c:23
#define SOCK_STREAM
Definition: tcpip.h:118
#define AF_INET
Definition: tcpip.h:117
int lflag
Definition: finger.c:66
#define printf
Definition: freeldr.h:94
PHOSTENT WSAAPI gethostbyname(IN const char FAR *name)
Definition: getxbyxx.c:221
PSERVENT WSAAPI getservbyname(IN const char FAR *name, IN const char FAR *proto)
Definition: getxbyxx.c:500
GLdouble s
Definition: gl.h:2039
const GLubyte * c
Definition: glext.h:8905
_CRTIMP void __cdecl perror(_In_opt_z_ const char *_ErrMsg)
#define stderr
Definition: stdio.h:100
_Check_return_opt_ _CRTIMP int __cdecl fprintf(_Inout_ FILE *_File, _In_z_ _Printf_format_string_ const char *_Format,...)
#define inet_addr(cp)
Definition: inet.h:98
#define c
Definition: ke_i.h:80
static const WCHAR sp[]
Definition: suminfo.c:287
#define closesocket
Definition: ncftp.h:477
SOCKET WSAAPI socket(IN INT af, IN INT type, IN INT protocol)
Definition: socklife.c:143
char * h_name
Definition: winsock.h:134
short h_length
Definition: winsock.h:137
char ** h_aliases
Definition: winsock.h:135
short h_addrtype
Definition: winsock.h:136
char ** h_addr_list
Definition: winsock.h:138
Definition: tcpip.h:126
Definition: name.c:39
char * host
Definition: whois.c:55
int PASCAL FAR WSAGetLastError(void)
Definition: dllmain.c:112
#define INVALID_SOCKET
Definition: winsock.h:332
UINT_PTR SOCKET
Definition: winsock.h:47

Referenced by userlist().