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Add support for user-level 9P servers/clients and various bug fixes to go with them.

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rsc 2003-12-11 17:48:38 +00:00
parent ac244f8d28
commit 32f69c36e0
60 changed files with 965 additions and 485 deletions
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50
src/lib9/create.c
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@ -1,8 +1,54 @@
#include <u.h>
#define NOPLAN9DEFINES
#include <libc.h>
#include <sys/stat.h>
extern char *_p9translate(char*);
int
create(char *path, int mode, ulong perm)
p9create(char *xpath, int mode, ulong perm)
{
return open(path, mode|O_CREAT|O_TRUNC, perm);
int fd, cexec, umode, rclose;
char *path;
if((path = _p9translate(xpath)) == nil)
return -1;
cexec = mode&OCEXEC;
rclose = mode&ORCLOSE;
mode &= ~(ORCLOSE|OCEXEC);
/* XXX should get mode mask right? */
fd = -1;
if(perm&DMDIR){
if(mode != OREAD){
werrstr("bad mode in directory create");
goto out;
}
if(mkdir(path, perm&0777) < 0)
goto out;
fd = open(path, O_RDONLY);
}else{
umode = (mode&3)|O_CREAT|O_TRUNC;
mode &= ~(3|OTRUNC);
if(mode&OEXCL){
umode |= O_EXCL;
mode &= ~OEXCL;
}
if(mode){
werrstr("unsupported mode in create");
goto out;
}
fd = open(path, umode, perm);
}
out:
if(fd >= 0){
if(cexec)
fcntl(fd, F_SETFL, FD_CLOEXEC);
if(rclose)
remove(path);
}
if(path != xpath)
free(path);
return fd;
}