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#include <sys/types.h>
#include <dietstdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
/* this is needed so the libpthread wrapper can initialize the mutex,
* not to lock it */
FILE *freopen_unlocked(const char *path, const char *mode, FILE *stream) {
if (stream) {
int f=__stdio_parse_mode(mode);
fflush_unlocked(stream);
__libc_close(stream->fd);
if ((stream->fd=__libc_open(path,f,0666))!=-1) {
struct stat st;
fstat(stream->fd,&st);
stream->flags=(S_ISFIFO(st.st_mode))?FDPIPE:0;
switch (f&3) {
case O_RDWR: stream->flags|=CANWRITE; /* fall through */
case O_RDONLY: stream->flags|=CANREAD; break;
case O_WRONLY: stream->flags|=CANWRITE;
}
}
} else errno=EINVAL;
return stream;
}
FILE *freopen(const char *path, const char *mode, FILE *stream) __attribute__((weak,alias("freopen_unlocked")));
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