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ID0002186: This issue was created automatically from Mantis Issue 2186. Further discussion may take place here.

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Id	Project	Category	View	Due Date	Updated
ID0002186	Frama-C	Kernel	public	2015-11-03	2018-11-30

Reporter	signoles	Assigned To	virgile	Resolution	duplicate
Priority	normal	Severity	major	Reproducibility	always
Platform	-	OS	-	OS Version	-
Product Version	Frama-C Sodium	Target Version	-	Fixed in Version	-

Description :

2D variable length arrays are valid wrt C99 but rejected by Frama-C:

===== extern int n;

int main(void) { int a[n]; // accepted int b[n][n]; // should be accepted, but refused return 0; }

$ frama-c a.i [kernel] Parsing FRAMAC_SHARE/libc/__fc_builtin_for_normalization.i (no preprocessing) [kernel] Parsing a.i (no preprocessing) a.i:4:[kernel] warning: Variable-sized local variable a a.i:5:[kernel] user error: Length of array is not a constant: n a.i:5:[kernel] warning: Variable-sized local variable b [kernel] user error: stopping on file "a.i" that has errors. [kernel] Frama-C aborted: invalid user input.

Additional Information :

Reported by email by G. Karpenkov