33 lines
778 B
C
33 lines
778 B
C
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/* POSIX pathconf (Sec. 5.7.1) Author: Andy Tanenbaum */
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#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#ifdef __weak_alias
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__weak_alias(pathconf, _pathconf)
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#endif
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PUBLIC long pathconf(path, name)
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_CONST char *path; /* name of file being interrogated */
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int name; /* property being inspected */
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{
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/* POSIX allows some of the values in <limits.h> to be increased at
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* run time. The pathconf and fpathconf functions allow these values
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* to be checked at run time. MINIX does not use this facility.
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* The run-time limits are those given in <limits.h>.
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*/
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int fd;
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long val;
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if ( (fd = open(path, O_RDONLY)) < 0) return(-1L);
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val = fpathconf(fd, name);
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close(fd);
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return(val);
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}
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