plan9port/src/lib9/opentemp.c

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#include <u.h>
#include <libc.h>
int
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opentemp(char *template, int mode)
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{
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int fd, fd1;
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fd = mkstemp(template);
if(fd < 0)
return -1;
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if((fd1 = open(template, mode)) < 0){
remove(template);
close(fd);
return -1;
}
close(fd);
return fd1;
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}