minix/lib/libc/posix/_open.c

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#include <lib.h>
#define open _open
#include <fcntl.h>
#include <stdarg.h>
#include <string.h>
#if _ANSI
PUBLIC int open(const char *name, int flags, ...)
#else
PUBLIC int open(const char *name, int flags)
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#endif
{
va_list argp;
message m;
va_start(argp, flags);
if (flags & O_CREAT) {
m.m1_i1 = strlen(name) + 1;
m.m1_i2 = flags;
/* Since it's a vararg parameter that is smaller than
* an int, the mode was passed as an int.
*/
m.m1_i3 = va_arg(argp, int);
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m.m1_p1 = (char *) name;
} else {
_loadname(name, &m);
m.m3_i2 = flags;
}
va_end(argp);
return (_syscall(FS, OPEN, &m));
}