52 lines
917 B
C
52 lines
917 B
C
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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 <stdarg.h>
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#ifdef __weak_alias
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__weak_alias(fcntl, _fcntl)
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#endif
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#if _ANSI
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PUBLIC int fcntl(int fd, int cmd, ...)
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#else
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PUBLIC int fcntl(fd, cmd)
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int fd;
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int cmd;
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#endif
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{
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va_list argp;
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message m;
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va_start(argp, cmd);
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/* Set up for the sensible case where there is no variable parameter. This
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* covers F_GETFD, F_GETFL and invalid commands.
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*/
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m.m1_i3 = 0;
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m.m1_p1 = NULL;
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/* Adjust for the stupid cases. */
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switch(cmd) {
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case F_DUPFD:
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case F_SETFD:
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case F_SETFL:
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m.m1_i3 = va_arg(argp, int);
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break;
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case F_GETLK:
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case F_SETLK:
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case F_SETLKW:
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case F_FREESP:
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m.m1_p1 = (char *) va_arg(argp, struct flock *);
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break;
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}
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/* Clean up and make the system call. */
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va_end(argp);
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m.m1_i1 = fd;
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m.m1_i2 = cmd;
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return(_syscall(VFS_PROC_NR, FCNTL, &m));
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}
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