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dgamelaunch
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Add code to test simplemail. 

(nitpick) #include lines style(9) compliant again.


git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@106 db0b04b0-f4d1-0310-9a6d-de3e77497b0e
This commit is contained in:
Jilles Tjoelker 2004-01-06 13:33:36 +00:00
parent 488c628565
commit c250d038e9
1 changed files with 69 additions and 4 deletions
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73
nethackstub.c
View File

@ -20,12 +20,16 @@
* This program can be used instead of nethack to test dgamelaunch.
*/
static const char rcsid[] = "$Id: nethackstub.c,v 1.3 2004/01/05 17:44:30 joshk Exp $";
static const char rcsid[] = "$Id: nethackstub.c,v 1.4 2004/01/06 13:33:36 jilles Exp $";
#include <sys/types.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
void
@ -46,6 +50,61 @@ sigterm(int sig)
#undef S
}
void
checkmail()
{
char *mailfile;
char buf[256];
int in, n;
struct flock fl;
mailfile = getenv("MAIL");
if (getenv("SIMPLEMAIL"))
{
in = open(mailfile, O_RDWR);
if (in != -1)
{
fl.l_start = 0;
fl.l_len = 0;
fl.l_pid = getpid();
fl.l_type = F_WRLCK;
fl.l_whence = SEEK_SET;
if (fcntl(in, F_SETLK, &fl) != -1)
{
while ((n = read(in, buf, sizeof buf)) > 0)
{
write(STDOUT_FILENO, buf, n);
}
#define S "End of mail - press return to unlock mailfile\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
read(STDIN_FILENO, buf, sizeof buf);
ftruncate(in, (off_t)0);
/* File will be unlocked automatically when closed */
}
else
{
#define S "Cannot lock mailfile\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
}
close(in);
}
else
{
#define S "Cannot open mailfile\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
}
}
else
{
#define S "No SIMPLEMAIL\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
}
}
int
main(int argc, char *argv[])
{
@ -53,7 +112,8 @@ main(int argc, char *argv[])
int showusage = 1, n, i;
struct sigaction SA;
#define S "nethackstub started with arguments:\n"
/* Clear the screen for the benefit of dgamelaunch's check. */
#define S " \033[H\033[Jnethackstub started with arguments:\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
for (i = 1; i < argc; i++)
@ -75,11 +135,13 @@ main(int argc, char *argv[])
{
if (showusage)
{
#define S "i: close stdin - o: close stdout/stderr - q: quit\n"
#define S "i: close stdin - o: close stdout/stderr - m: check mail - q: quit\n"
write(STDOUT_FILENO, S, -1 + sizeof S);
#undef S
}
n = read(STDIN_FILENO, buf, sizeof buf);
if (n == -1 && errno == EINTR)
continue;
if (n <= 0)
break;
for (i = 0; i < n; i++)
@ -93,6 +155,9 @@ main(int argc, char *argv[])
close(STDOUT_FILENO);
close(STDERR_FILENO);
break;
case 'm':
checkmail();
break;
case 'q':
return 0;
break;