46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <stdio.h>
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#include "caputils.h"
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#include "pathnames.h"
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int cap_last_cap(void)
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{
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/* CAP_LAST_CAP is untrustworthy. */
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static int ret = -1;
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int matched;
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FILE *f;
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if (ret != -1)
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return ret;
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f = fopen(_PATH_PROC_CAPLASTCAP, "r");
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if (!f) {
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ret = CAP_LAST_CAP; /* guess */
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return ret;
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}
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matched = fscanf(f, "%d", &ret);
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fclose(f);
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if (matched != 1)
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ret = CAP_LAST_CAP; /* guess */
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return ret;
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}
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