OS_Develop/FreeDOS
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Fix Bugzilla Bug 1956: all file opens fail under specific conditions.

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/trunk@1323 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Bart Oldeman 2007-05-21 02:29:01 +00:00
parent 4a8c30c6e2
commit acbc504765
1 changed files with 2 additions and 1 deletions
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3
kernel/dosfns.c
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@ -392,7 +392,8 @@ STATIC long get_free_hndl(void)
psp FAR *p = MK_FP(cu_psp, 0);
UBYTE FAR *q = p->ps_filetab;
UBYTE FAR *r = fmemchr(q, 0xff, p->ps_maxfiles);
return FP_OFF(r) == 0 ? DE_TOOMANY : r - q;
if (FP_SEG(r) == 0) return DE_TOOMANY;
return (unsigned)(r - q);
}
STATIC sft FAR *get_free_sft(COUNT * sft_idx)