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[libc][mmap] force offset to long for mmap2 #96522

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[libc][mmap] force offset to long for mmap2 #96522

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[libc][mmap] force offset to long for mmap2
nickdesaulniers Jun 24, 2024
08ec6ef
reformat
nickdesaulniers Jun 24, 2024
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6 changes: 3 additions & 3 deletions libc/src/sys/mman/linux/mmap.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -39,9 +39,9 @@ LLVM_LIBC_FUNCTION(void *, mmap,
#error "mmap or mmap2 syscalls not available."
#endif

long ret =
LIBC_NAMESPACE::syscall_impl(syscall_number, reinterpret_cast<long>(addr),
size, prot, flags, fd, offset);
long ret = LIBC_NAMESPACE::syscall_impl(
syscall_number, reinterpret_cast<long>(addr), size, prot, flags, fd,
static_cast<long>(offset));

// The mmap/mmap2 syscalls return negative values on error. These negative
// values are actually the negative values of the error codes. So, fix them
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