musl/src/internal/syscall_ret.c
Rich Felker fd142e5ec4 cleanup various minor issues reported by nsz
the changes to syscall_ret are mostly no-ops in the generated code,
just cleanup of type issues and removal of some implementation-defined
behavior. the one exception is the change in the comparison value,
which is fixed so that 0xf...f000 (which in principle could be a valid
return value for mmap, although probably never in reality) is not
treated as an error return.
2011-09-26 00:59:28 -04:00

11 lines
141 B
C

#include <errno.h>
#include <unistd.h>
long __syscall_ret(unsigned long r)
{
if (r > -4096UL) {
errno = -r;
return -1;
}
return r;
}