On 26.11.2025 17.23, Philipp Klaus Krause <[email protected]> wrote:
Formally, array parameters (without static) are no different from
pointer parameters. However, they have often been used to express the
intent of the parameter being an array of a certain size.
Do you have any preferences on what SDCC should do? Currently SDCC does
not warn (neither does clang), while GCC sometimes does:
// Tested via gcc/clang -Wall -pedantic -Warray-parameter -Warray-bounds
test.c
void f(char a[4])
{
a[4] = 7; // neither gcc nor clang warn
}
void g(void)
{
char a[3];
f(a); // gcc warns, clang doesn't.
f(0); // neither gcc nor clang warn
}
Would you like to see warnings in SDCC for any of these?
Philipp
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Anything the compiler can detect at compiletime should be either a warning or
an error.
Coming from Ada, it seems weird that the compiler does not flag everything it
can detect at compile time. It saves so much debugging.
Erlo
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