mirror of
https://github.com/9fans/plan9port.git
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46 lines
805 B
C
46 lines
805 B
C
#include <u.h>
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#define NOPLAN9DEFINES
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#include <libc.h>
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#include <sys/stat.h>
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int
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p9create(char *path, int mode, ulong perm)
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{
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int fd, cexec, umode, rclose;
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cexec = mode&OCEXEC;
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rclose = mode&ORCLOSE;
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mode &= ~(ORCLOSE|OCEXEC);
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/* XXX should get mode mask right? */
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fd = -1;
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if(perm&DMDIR){
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if(mode != OREAD){
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werrstr("bad mode in directory create");
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goto out;
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}
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if(mkdir(path, perm&0777) < 0)
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goto out;
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fd = open(path, O_RDONLY);
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}else{
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umode = (mode&3)|O_CREAT|O_TRUNC;
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mode &= ~(3|OTRUNC);
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if(mode&OEXCL){
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umode |= O_EXCL;
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mode &= ~OEXCL;
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}
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if(mode){
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werrstr("unsupported mode in create");
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goto out;
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}
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fd = open(path, umode, perm);
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}
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out:
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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(path);
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}
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return fd;
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}
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