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Fix #4890

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`strings.to_cstring` previously would not check if the buffer could
handle the extra null byte and could lead to segmentation violations
when using the resulting string in an API expecting the terminator.
This commit is contained in:
Feoramund
2025-02-27 18:54:38 -05:00
parent 94152ca701
commit b2e3b34ce0
5 changed files with 39 additions and 16 deletions
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core/os/os2/path_openbsd.odin
+1 -1
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@@ -46,7 +46,7 @@ _get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err
strings.write_string(&buf, "/")
strings.write_string(&buf, sarg)
cpath := strings.to_cstring(&buf)
cpath := strings.to_cstring(&buf) or_return
if posix.access(cpath, {.X_OK}) == .OK {
return real(cpath, allocator)
}