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Aminet 7 - August 1995.iso
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amiga.c
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C/C++ Source or Header
|
1993-07-10
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2KB
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110 lines
#ifdef AMI_TCP
#include <bsdsocket.h>
#else
#include <ss/socket.h>
#endif
#include <sys/types.h>
#include <signal.h>
#include <exec/libraries.h>
#include <dos/dosextens.h>
#include <dos/dos.h>
#include <clib/dos_protos.h>
#ifdef __SASC
#include <string.h> /* for bzero, to make FD_ZERO work */
#endif
#include <sys/time.h>
int sgetc(int sock)
{
unsigned char c;
fd_set rd,ex;
long flgs;
int n;
struct timeval t;
t.tv_sec = 10L;
t.tv_usec = 0;
FD_ZERO(&rd);
FD_ZERO(&ex);
FD_SET(sock,&rd);
FD_SET(sock,&ex);
flgs = SIGBREAKF_CTRL_D;
#ifdef AMI_TCP
WaitSelect(16,&rd,0L,&ex,&t,&flgs);
#else
selectwait(16,&rd,0L,&ex,&t,&flgs);
#endif
if (FD_ISSET(sock,&rd))
{ n = recv(sock, &c, 1, 0);
if (n == 1)
return c;
else return -1;
}
else return -1;
}
/*
* This getenv and setenv will use the WB2.0 calls if you have the new
* rom. If not, it resorts to looking in the ENV: directory.
*/
extern struct DosLibrary *DOSBase;
extern char *getenv();
char *mygetenv (name)
register const char *name;
{
static char value[256];
/* 2.0 style? */
if (DOSBase->dl_lib.lib_Version >= 36) {
if (GetVar ((char *)name,value,256,0L) == -1) {
return 0;
} else {
return value;
}
} else {
return getenv(name);
}
}
mygettimeofday(struct timeval *tp, struct timezone *tzp)
{
struct DateStamp ds;
DateStamp(&ds);
tp->tv_sec = (ds.ds_Days * 60 * 24 + ds.ds_Minute )* 60 +
ds.ds_Tick / 50;
tp->tv_usec = (ds.ds_Tick % 50) * 20000;
}
/*
* joinpath tacks a file (or sub dir) on to the end of a directory name.
* Not just as simple as putting a '/' between the two, as the directory
* name may be an assign!
*/
void joinpath (str, dir, file)
char *str, *dir, *file;
{
char c;
if (strlen (dir) == 0) {
strcpy (str, file);
return;
}
c = dir[strlen(dir)-1];
if (c=='/' || c==':') {
sprintf (str, "%s%s", dir, file);
} else {
sprintf (str, "%s/%s", dir, file);
}
}