86 lines
1.1 KiB
C
86 lines
1.1 KiB
C
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/*
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* dos.c
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*
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* System interface for DOS.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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char *strdup();
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#include <stdarg.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <signal.h>
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#include <time.h>
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#define US(n) ( ((long long)(n)) * 1000000 / UCLOCKS_PER_SEC )
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void *sys_timer()
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{
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uclock_t *cl;
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cl = malloc(sizeof *cl);
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*cl = uclock();
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return cl;
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}
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int sys_elapsed(uclock_t *cl)
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{
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uclock_t now;
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int usecs;
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now = uclock();
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usecs = US(now - *cl);
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*cl = now;
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return usecs;
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}
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void sys_sleep(int us)
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{
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uclock_t start;
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if (us <= 0) return;
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start = uclock();
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while(US(uclock()-start) < us);
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}
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void sys_checkdir(char *path, int wr)
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{
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}
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void sys_initpath(char *exe)
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{
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char *buf, *home, *p;
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home = strdup(exe);
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p = strrchr(home, '/');
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if (p) *p = 0;
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else
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{
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buf = ".";
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rc_setvar("rcpath", 1, &buf);
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rc_setvar("savedir", 1, &buf);
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return;
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}
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buf = malloc(strlen(home) + 8);
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sprintf(buf, ".;%s/", home);
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rc_setvar("rcpath", 1, &buf);
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sprintf(buf, ".");
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rc_setvar("savedir", 1, &buf);
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free(buf);
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}
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void sys_sanitize(char *s)
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{
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int i;
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for (i = 0; s[i]; i++)
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if (s[i] == '\\') s[i] = '/';
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}
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