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Added a tags file. I dunno if this is something that's really supposed to

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be in a CVS repository, but for now, it is, so there. :)
This commit is contained in:
William Ferrell
2000-03-30 20:28:01 +00:00
parent f5a5e9653b
commit a98c8109a8
8 changed files with 1762 additions and 648 deletions
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shared/LL.c
+543 -442
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File diff suppressed because it is too large Load Diff
shared/LL.h
+42 -44
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@@ -118,66 +118,64 @@
// See LL.c for more detailed descriptions of these functions.
typedef struct LL_node
{
struct LL_node *next, *prev;
void *data;
typedef struct LL_node {
struct LL_node *next, *prev;
void *data;
} LL_node;
typedef struct LL
{
LL_node head, tail;
LL_node *current;
typedef struct LL {
LL_node head, tail;
LL_node *current;
} LL;
// Creates a new list...
LL * LL_new();
LL *LL_new ();
// Destroying lists...
int LL_Destroy(LL *list);
int LL_node_Destroy(LL_node *node);
int LL_node_Unlink(LL_node *node);
int LL_node_DestroyData(LL_node *node);
int LL_Destroy (LL * list);
int LL_node_Destroy (LL_node * node);
int LL_node_Unlink (LL_node * node);
int LL_node_DestroyData (LL_node * node);
// Returns to the beginning of the list...
int LL_Rewind(LL *list);
int LL_Rewind (LL * list);
// Goes to the end of the list...
int LL_End(LL *list);
int LL_End (LL * list);
// Go to the next node
int LL_Next(LL *list);
int LL_Next (LL * list);
// Go to the previous node
int LL_Prev(LL *list);
int LL_Prev (LL * list);
// Data manipulation
void * LL_Get(LL *list);
int LL_Put(LL *list, void *data);
void *LL_Get (LL * list);
int LL_Put (LL * list, void *data);
// Don't use these next two unless you really know what you're doing.
LL_node * LL_GetNode(LL *list);
int LL_PutNode(LL *list, LL_node *node);
LL_node *LL_GetNode (LL * list);
int LL_PutNode (LL * list, LL_node * node);
void * LL_GetFirst(LL *list); // gets data from first node
void * LL_GetNext (LL *list); // ... next node
void * LL_GetPrev (LL *list); // ... prev node
void * LL_GetLast (LL *list); // ... last node
void *LL_GetFirst (LL * list); // gets data from first node
void *LL_GetNext (LL * list); // ... next node
void *LL_GetPrev (LL * list); // ... prev node
void *LL_GetLast (LL * list); // ... last node
int LL_AddNode(LL *list, void * add); // Adds node AFTER current one
int LL_InsertNode(LL *list, void * add);// Adds node BEFORE current one
int LL_AddNode (LL * list, void *add); // Adds node AFTER current one
int LL_InsertNode (LL * list, void *add); // Adds node BEFORE current one
// Removes a node from the link; returns the data from the node
void * LL_DeleteNode(LL *list);
void *LL_DeleteNode (LL * list);
// Removes a specific node...
void * LL_Remove(LL *list, void * data);
void *LL_Remove (LL * list, void *data);
// Stack operations
int LL_Push(LL *list, void *add); // Add node to end of list
void * LL_Pop(LL *list); // Remove node from end of list
void * LL_Top(LL *list); // Peek at end node
void * LL_Shift(LL *list); // Remove node from start of list
void * LL_Look(LL *list); // Peek at first node
int LL_Unshift(LL *list, void *add); // Add node to beginning of list
int LL_Push (LL * list, void *add); // Add node to end of list
void *LL_Pop (LL * list); // Remove node from end of list
void *LL_Top (LL * list); // Peek at end node
void *LL_Shift (LL * list); // Remove node from start of list
void *LL_Look (LL * list); // Peek at first node
int LL_Unshift (LL * list, void *add); // Add node to beginning of list
int LL_Roll(LL *list); // Make first node last
int LL_UnRoll(LL *list);// Roll the other way...
int LL_Roll (LL * list); // Make first node last
int LL_UnRoll (LL * list); // Roll the other way...
// Queue operations...
//int LL_Enqueue(LL *list, void *add);
@@ -188,22 +186,22 @@ int LL_UnRoll(LL *list);// Roll the other way...
#define LL_Dequeue(list) LL_Shift(list)
int LL_PriorityEnqueue(LL *list, void *add, int compare(void *, void *));
int LL_PriorityEnqueue (LL * list, void *add, int compare (void *, void *));
int LL_SwapNodes(LL_node *one, LL_node *two); // Switch two nodes positions...
int LL_nSwapNodes(int one, int two); // Switch two nodes positions...
int LL_SwapNodes (LL_node * one, LL_node * two); // Switch two nodes positions...
int LL_nSwapNodes (int one, int two); // Switch two nodes positions...
int LL_Length(LL *list); // Returns # of nodes in entire list
int LL_Length (LL * list); // Returns # of nodes in entire list
// Searching...
void * LL_Find(LL *list, int compare(void *, void *), void *value);
void *LL_Find (LL * list, int compare (void *, void *), void *value);
// Sorts the list...
int LL_Sort(LL *list, int compare(void *, void *));
int LL_Sort (LL * list, int compare (void *, void *));
// Debugging...
void LL_dprint(LL *list);
void LL_dprint (LL * list);
#endif
shared/debug.h
+1 -1
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@@ -7,7 +7,7 @@
#else
#define debug /* printf */
#define debug /* printf */
#endif
shared/sockets.c
+147 -141
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@@ -31,197 +31,203 @@
typedef struct sockaddr_in sockaddr_in;
static int sock_init_sockaddr (sockaddr_in *name,
const char *hostname,
unsigned short int port)
static int
sock_init_sockaddr (sockaddr_in * name, const char *hostname, unsigned short int port)
{
struct hostent *hostinfo;
name->sin_family = AF_INET;
name->sin_port = htons (port);
hostinfo = gethostbyname (hostname);
if (hostinfo == NULL)
{
fprintf (stderr,"sock_init_sockaddr: Unknown host %s.\n", hostname);
struct hostent *hostinfo;
name->sin_family = AF_INET;
name->sin_port = htons (port);
hostinfo = gethostbyname (hostname);
if (hostinfo == NULL) {
fprintf (stderr, "sock_init_sockaddr: Unknown host %s.\n", hostname);
return -1;
}
name->sin_addr = *(struct in_addr *) hostinfo->h_addr;
}
name->sin_addr = *(struct in_addr *) hostinfo->h_addr;
return 0;
return 0;
}
// Client functions...
int sock_connect(char *host, unsigned short int port)
int
sock_connect (char *host, unsigned short int port)
{
struct sockaddr_in servername;
int sock;
int err=0;
debug("sock_connect: Creating socket\n");
sock = socket(PF_INET, SOCK_STREAM, 0);
if(sock < 0)
{
perror("sock_connect: Error creating socket");
return sock;
}
debug("sock_connect: Created socket (%i)\n", sock);
sock_init_sockaddr(&servername, host, port);
err = connect (sock,
(struct sockaddr *) &servername,
sizeof (servername));
if(err<0)
{
perror("sock_connect: connect failed");
shutdown(sock, 2);
return 0; // Normal exit if server doesn't exist...
}
fcntl(sock, F_SETFL, O_NONBLOCK);
struct sockaddr_in servername;
int sock;
int err = 0;
return sock;
debug ("sock_connect: Creating socket\n");
sock = socket (PF_INET, SOCK_STREAM, 0);
if (sock < 0) {
perror ("sock_connect: Error creating socket");
return sock;
}
debug ("sock_connect: Created socket (%i)\n", sock);
sock_init_sockaddr (&servername, host, port);
err = connect (sock, (struct sockaddr *) &servername, sizeof (servername));
if (err < 0) {
perror ("sock_connect: connect failed");
shutdown (sock, 2);
return 0; // Normal exit if server doesn't exist...
}
fcntl (sock, F_SETFL, O_NONBLOCK);
return sock;
}
int sock_close(int fd)
int
sock_close (int fd)
{
int err;
err=shutdown(fd, 2);
if (!err) close (fd);
err = shutdown (fd, 2);
if (!err)
close (fd);
return err;
}
// Send/receive lines of text
int sock_send_string(int fd, char *string)
int
sock_send_string (int fd, char *string)
{
int len;
int offset=0;
int len;
int offset = 0;
if (!string) return -1;
if (!string)
return -1;
len = strlen (string) + 1;
while (offset != len) {
// write isn't guaranteed to send the entire string at once,
// so we have to sent it in a loop like this
int sent = write (fd, string+offset, len-offset);
if (sent == -1) {
if (errno != EAGAIN) {
perror ("sock_send_string: socket write error");
printf("Message was: %s\n", string);
//shutdown(fd, 2);
return sent;
}
continue;
} else if (sent == 0) {
// when this returns zero, it generally means
// we got disconnected
return sent+offset;
}
len = strlen (string) + 1;
while (offset != len) {
// write isn't guaranteed to send the entire string at once,
// so we have to sent it in a loop like this
int sent = write (fd, string + offset, len - offset);
if (sent == -1) {
if (errno != EAGAIN) {
perror ("sock_send_string: socket write error");
printf ("Message was: %s\n", string);
//shutdown(fd, 2);
return sent;
}
continue;
} else if (sent == 0) {
// when this returns zero, it generally means
// we got disconnected
return sent + offset;
}
offset += sent;
}
offset += sent;
}
return offset;
return offset;
}
// Recv gives only one line per call...
int sock_recv_string(int fd, char *dest, size_t maxlen)
int
sock_recv_string (int fd, char *dest, size_t maxlen)
{
char *ptr = dest;
int recv = 0;
char *ptr = dest;
int recv = 0;
if (!dest) return -1;
if (maxlen <= 0) return 0;
if (!dest)
return -1;
if (maxlen <= 0)
return 0;
while (1) {
int err = read (fd, ptr, 1);
if (err == -1) {
if (errno == EAGAIN) {
if (recv) {
// We've begun to read a string, but no bytes are
// available. Loop.
continue;
}
return 0;
} else {
perror ("sock_recv_string: socket read error");
return err;
}
} else if (err == 0) {
return recv;
}
while (1) {
int err = read (fd, ptr, 1);
if (err == -1) {
if (errno == EAGAIN) {
if (recv) {
// We've begun to read a string, but no bytes are
// available. Loop.
continue;
}
return 0;
} else {
perror ("sock_recv_string: socket read error");
return err;
}
} else if (err == 0) {
return recv;
}
recv++;
recv++;
if (recv == maxlen || *ptr == 0 || *ptr == 10) {
*ptr = 0;
break;
}
ptr++;
}
if (recv == maxlen || *ptr == 0 || *ptr == 10) {
*ptr = 0;
break;
}
ptr++;
}
if (recv == 1 && dest[0] == 0) {
// Don't return a null string
return 0;
}
if (recv == 1 && dest[0] == 0) {
// Don't return a null string
return 0;
}
if (recv < maxlen-1) {
dest[recv] = 0;
}
if (recv < maxlen - 1) {
dest[recv] = 0;
}
return recv;
return recv;
}
// Send/receive raw data
int sock_send(int fd, void *src, size_t size)
int
sock_send (int fd, void *src, size_t size)
{
int offset=0;
int offset = 0;
if (!src) return -1;
if (!src)
return -1;
while (offset != size) {
// write isn't guaranteed to send the entire string at once,
// so we have to sent it in a loop like this
int sent = write (fd, ((char*)src)+offset, size-offset);
if (sent == -1) {
if (errno != EAGAIN) {
perror ("sock_send: socket write error");
//shutdown(fd, 2);
return sent;
}
continue;
} else if (sent == 0) {
// when this returns zero, it generally means
// we got disconnected
return sent+offset;
}
while (offset != size) {
// write isn't guaranteed to send the entire string at once,
// so we have to sent it in a loop like this
int sent = write (fd, ((char *) src) + offset, size - offset);
if (sent == -1) {
if (errno != EAGAIN) {
perror ("sock_send: socket write error");
//shutdown(fd, 2);
return sent;
}
continue;
} else if (sent == 0) {
// when this returns zero, it generally means
// we got disconnected
return sent + offset;
}
offset += sent;
}
offset += sent;
}
return offset;
return offset;
}
int sock_recv(int fd, void *dest, size_t maxlen)
int
sock_recv (int fd, void *dest, size_t maxlen)
{
int err;
if(!dest) return -1;
if(maxlen <= 0) return 0;
if (!dest)
return -1;
if (maxlen <= 0)
return 0;
err = read (fd, dest, maxlen);
if (err < 0)
{
if (err < 0) {
//fprintf (stderr,"sock_recv: socket read error\n");
//shutdown(fd, 2);
return err;
}
//debug("sock_recv: Got message \"%s\"\n", (char *)dest);
return err;
}
shared/sockets.h
+6 -6
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@@ -22,15 +22,15 @@
// Client functions...
int sock_connect(char *host, unsigned short int port);
int sock_close(int fd);
int sock_connect (char *host, unsigned short int port);
int sock_close (int fd);
// Send/receive lines of text
int sock_send_string(int fd, char *string);
int sock_send_string (int fd, char *string);
// Recv gives only one line per call...
int sock_recv_string(int fd, char *dest, size_t maxlen);
int sock_recv_string (int fd, char *dest, size_t maxlen);
// Send/receive raw data
int sock_send(int fd, void *src, size_t size);
int sock_recv(int fd, void *dest, size_t maxlen);
int sock_send (int fd, void *src, size_t size);
int sock_recv (int fd, void *dest, size_t maxlen);
// Er, ignore the rest of this file. I'll clean it up sometime...
shared/str.c
+14 -13
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@@ -5,30 +5,31 @@
#include "debug.h"
#include "str.h"
int get_args(char **argv, char *str, int max_args)
int
get_args (char **argv, char *str, int max_args)
{
char *delimiters = " \n\0";
char *item;
int i=0;
int i = 0;
if(!argv) return -1;
if(!str) return 0;
if(max_args < 1) return 0;
if (!argv)
return -1;
if (!str)
return 0;
if (max_args < 1)
return 0;
//debug("get_args(%i): string=%s\n", max_args, str);
// Parse the command line...
for(item = strtok(str, delimiters); item; item=strtok(NULL, delimiters))
{
for (item = strtok (str, delimiters); item; item = strtok (NULL, delimiters)) {
//debug("get_args: item=%s\n", item);
if(i < max_args)
{
if (i < max_args) {
argv[i] = item;
i++;
}
else return i;
} else
return i;
}
return i;
}
shared/str.h
+1 -1
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@@ -1,6 +1,6 @@
#ifndef STR_H
#define STR_H
int get_args(char **argv, char *str, int max_args);
int get_args (char **argv, char *str, int max_args);
#endif
tags
+1008
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