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builtin: implement support for -d debug_malloc too

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Delyan Angelov 2021-03-14 18:29:00 +02:00
parent d65ad68e77
commit 2f4a49994a
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1 changed files with 6 additions and 0 deletions
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6
vlib/builtin/builtin.c.v
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@ -190,6 +190,11 @@ pub fn malloc(n int) byteptr {
panic('malloc($n) failed') panic('malloc($n) failed')
} }
} }
$if debug_malloc ? {
// Fill in the memory with something != 0, so it is easier to spot
// when the calling code wrongly relies on it being zeroed.
C.memset(res, 0x88, n)
}
return res return res
} }
@ -200,6 +205,7 @@ fn malloc_size(b byteptr) int
// v_realloc resizes the memory block `b` with `n` bytes. // v_realloc resizes the memory block `b` with `n` bytes.
// The `b byteptr` must be a pointer to an existing memory block // The `b byteptr` must be a pointer to an existing memory block
// previously allocated with `malloc`, `v_calloc` or `vcalloc`. // previously allocated with `malloc`, `v_calloc` or `vcalloc`.
// Please, see also realloc_data, and use it instead if possible.
[unsafe] [unsafe]
pub fn v_realloc(b byteptr, n int) byteptr { pub fn v_realloc(b byteptr, n int) byteptr {
mut new_ptr := byteptr(0) mut new_ptr := byteptr(0)