tor/scripts/coccinelle/calloc.cocci
Nick Mathewson 5da821a8a3 Add a simple coccinelle script to replace malloc->calloc
Coccinelle is a semantic patching tool that can automatically change
C code via semantic patching.

This script also replaces realloc with reallocarray as appropriate.
2014-08-13 10:39:56 -04:00

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// Use calloc or realloc as appropriate instead of multiply-and-alloc
@malloc_to_calloc@
expression a,b;
@@
- tor_malloc(a * b)
+ tor_calloc(a, b)
@malloc_zero_to_calloc@
expression a, b;
@@
- tor_malloc_zero(a * b)
+ tor_calloc(a, b)
@realloc_to_reallocarray@
expression a, b;
expression p;
@@
- tor_realloc(p, a * b)
+ tor_reallocarray(p, a, b)