Function nstd_core_mem_search 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn nstd_core_mem_search(
    buf: *const NSTDByte,
    size: NSTDUInt,
    delim: NSTDByte,
) -> *const NSTDByte

Available on crate feature core only.

Iterates through each byte in a raw memory buffer until delim is reached, returning a pointer to the delimiter byte if it is found.

Parameters:

• const NSTDByte *buf - The memory buffer to search.

• NSTDUInt size - The number of bytes to search.

• NSTDByte delim - The delimiter byte.

Returns

const NSTDByte *delim_ptr - A pointer to the delimiter byte, or null if it was not found.

Safety

This operation makes access to raw pointer data, leading to undefined behavior if buf’s data is invalid.

Example

use nstd_sys::core::mem::nstd_core_mem_search;

let buffer = b"Hello, world!\0";
let ptr = buffer.as_ptr().cast();
unsafe {
    assert!(nstd_core_mem_search(ptr, buffer.len(), b'H') == ptr);
    assert!(nstd_core_mem_search(ptr, buffer.len(), b' ') == ptr.add(6));
    assert!(nstd_core_mem_search(ptr, buffer.len(), 0) == ptr.add(13));
}