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39 lines
610 B
C
39 lines
610 B
C
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#include <u.h>
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#define NOPLAN9DEFINES
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#include <libc.h>
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extern char* _p9translate(char*);
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int
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p9open(char *xname, int mode)
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{
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char *name;
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int cexec, rclose;
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int fd, umode;
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umode = mode&3;
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cexec = mode&OCEXEC;
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rclose = mode&ORCLOSE;
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mode &= ~(3|OCEXEC|ORCLOSE);
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if(mode&OTRUNC){
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umode |= O_TRUNC;
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mode ^= OTRUNC;
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}
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if(mode){
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werrstr("mode not supported");
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return -1;
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}
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if((name = _p9translate(xname)) == nil)
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return -1;
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fd = open(name, umode);
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if(fd >= 0){
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if(cexec)
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fcntl(fd, F_SETFL, FD_CLOEXEC);
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if(rclose)
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remove(name);
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}
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if(name != xname)
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free(name);
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return fd;
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}
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