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94 lines
2.4 KiB
94 lines
2.4 KiB
/* $Id: sysfunc.c,v 1.3 2003/05/06 20:48:54 stpohle Exp $
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sysfunc.c - this file hold some routines for the system functions..
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like d_delay
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*/
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#include "bomberclone.h"
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#include "sysfunc.h"
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void
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s_delay (int ms)
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{
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fd_set selectset;
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struct timeval tval;
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FD_ZERO (&selectset);
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tval.tv_sec = 0;
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tval.tv_usec = ms;
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select (1, &selectset, NULL, NULL, &tval);
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}
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int
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s_random (int maxnr)
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{
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#ifdef _WIN32
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return ((rand () * maxnr) / RAND_MAX);
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#else
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int i;
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i = (((rand () >> 16) * (maxnr + 1)) / (RAND_MAX >> 16));
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if (i >= maxnr)
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i = 0;
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return i;
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#endif
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};
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static char homedir[255];
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char *
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s_gethomedir ()
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{
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char *hd;
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if ((hd = getenv ("HOME")) == NULL) {
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/* Homedir konnte nicht ermittelt werden. */
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homedir[0] = 0;
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d_printf ("Variable HOME could not be found\n");
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}
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else {
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strncpy (homedir, hd, 253);
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homedir[strlen (homedir) + 1] = 0;
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#ifdef _WIN32
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if (homedir[strlen (homedir) - 1] != '\\')
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homedir[strlen (homedir)] = '\\';
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#else
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if (homedir[strlen (homedir) - 1] != '/')
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homedir[strlen (homedir)] = '/';
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#endif
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}
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return homedir;
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};
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static _direntry direntrys[MAX_DIRENTRYS];
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_direntry * s_getdir (char *path)
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{
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DIR *dp;
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struct dirent *ep;
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struct stat fstat;
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int entrynr = 0;
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char filename[LEN_PATHFILENAME];
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dp = opendir (path);
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if (dp != NULL) {
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while ((ep = readdir (dp)) != NULL && entrynr < MAX_DIRENTRYS) {
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direntrys[entrynr].next = NULL;
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strncpy (direntrys[entrynr].name, ep->d_name, LEN_FILENAME - 1);
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if (strlen (ep->d_name) >= LEN_FILENAME)
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direntrys[entrynr].name[LEN_FILENAME - 1] = 0;
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sprintf (filename, "%s/%s\0", path, direntrys[entrynr].name);
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stat (filename, &fstat);
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if (S_ISREG (fstat.st_mode)) {
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direntrys[entrynr].flags = DF_file;
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direntrys[entrynr].next = &direntrys[entrynr + 1];
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entrynr++;
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}
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else if (S_ISDIR (fstat.st_mode)) {
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direntrys[entrynr].flags = DF_dir;
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direntrys[entrynr].next = &direntrys[entrynr + 1];
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entrynr++;
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}
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}
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}
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closedir (dp);
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if (entrynr == 0)
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return NULL;
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direntrys[entrynr - 1].next = NULL;
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return &direntrys[0];
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};
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