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Changed safe_write() to fully send all the data in the buffer it was

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passed. Also safe_write() and safe_read() now use char pointer buffers
rather than the void pointer style.
This commit is contained in:
Robert James Kaes 2001-12-15 20:04:04 +00:00
parent cad9a5d11b
commit b969ed4302
2 changed files with 27 additions and 11 deletions
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32
src/sock.c
View File

@ -1,4 +1,4 @@
/* $Id: sock.c,v 1.19 2001-12-15 05:58:30 rjkaes Exp $
/* $Id: sock.c,v 1.20 2001-12-15 20:04:04 rjkaes Exp $
*
* Sockets are created and destroyed here. When a new connection comes in from
* a client, we need to copy the socket and the create a second socket to the
@ -271,18 +271,34 @@ getpeer_string(int fd, char *string)
/*
* Write the buffer to the socket. If an EINTR occurs, pick up and try
* again.
* again. Keep sending until the buffer has been sent.
*/
ssize_t
safe_write(int fd, const void *buffer, size_t count)
safe_write(int fd, const char *buffer, size_t count)
{
ssize_t len;
size_t bytestosend;
do {
len = write(fd, buffer, count);
} while (len < 0 && errno == EINTR);
bytestosend = count;
return len;
while (1) {
len = write(fd, buffer, bytestosend);
if (len < 0) {
if (errno == EINTR)
continue;
else
return -errno;
}
if (len == bytestosend)
break;
buffer += len;
bytestosend -= len;
}
return count;
}
/*
@ -290,7 +306,7 @@ safe_write(int fd, const void *buffer, size_t count)
* again.
*/
ssize_t
safe_read(int fd, void *buffer, size_t count)
safe_read(int fd, char *buffer, size_t count)
{
ssize_t len;

6
src/sock.h
View File

@ -1,4 +1,4 @@
/* $Id: sock.h,v 1.7 2001-11-22 00:19:18 rjkaes Exp $
/* $Id: sock.h,v 1.8 2001-12-15 20:04:04 rjkaes Exp $
*
* See 'sock.c' for a detailed description.
*
@ -35,8 +35,8 @@ extern int socket_blocking(int sock);
extern char *getpeer_ip(int fd, char *ipaddr);
extern char *getpeer_string(int fd, char *string);
extern ssize_t safe_write(int fd, const void *buffer, size_t count);
extern ssize_t safe_read(int fd, void *buffer, size_t count);
extern ssize_t safe_write(int fd, const char *buffer, size_t count);
extern ssize_t safe_read(int fd, char *buffer, size_t count);
extern ssize_t readline(int fd, char **whole_buffer);