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reallocarray: Don't assume unportable behaviour of realloc.

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* lib/reallocarray.c (reallocarray): Handle the nbytes==0 case
explicitly.
* modules/reallocarray (Depends-on): Remove realloc-gnu. Add
malloc-posix, realloc-posix.
This commit is contained in:
Bruno Haible
2024-10-21 17:20:37 +02:00
parent 12cd6eca20
commit b3791b2bb9
3 changed files with 21 additions and 2 deletions
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modules/reallocarray
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@@ -8,7 +8,8 @@ m4/reallocarray.m4
Depends-on:
extensions
realloc-gnu [test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1]
malloc-posix [test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1]
realloc-posix [test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1]
stdckdint [test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1]
stdlib