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author | Paul Eggert <eggert@cs.ucla.edu> | 2021-04-24 10:45:45 -0700 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2021-04-24 10:47:40 -0700 |
commit | a7477abe2943c73bf23f39da2b706ea338d1c9b3 (patch) | |
tree | f72f501606ee663d311db129da10fcf1f1afce15 /modules/reallocarray | |
parent | e25cfaa3b59d3d7d8435e9e164a7f92e92c3f64d (diff) | |
download | gnulib-a7477abe2943c73bf23f39da2b706ea338d1c9b3.tar.gz |
reallocarray: check for ptrdiff_t overflow
* doc/glibc-functions/reallocarray.texi (reallocarray):
Mention ptrdiff_t overflow.
* lib/reallocarray.c (reallocarray): Reindent as per usual GNU.
* lib/stdlib.in.h (reallocarray): Allow reallocarray to be replaced.
* m4/reallocarray.m4 (gl_FUNC_REALLOCARRAY):
Check for ptrdiff_t overflow.
* m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Set up REPLACE_REALLOCARRAY.
* modules/reallocarray (Files): Add malloc.m4.
(configure.ac): Also test REPLACE_REALLOCARRAY.
* modules/reallocarray-tests (Depends-on): Add stdint.
* modules/stdlib (stdlib.h): Substitute REPLACE_REALLOCARRAY.
* tests/test-reallocarray.c: Include stdint.h.
(main): Check for ptrdiff_t overflow.
Diffstat (limited to 'modules/reallocarray')
-rw-r--r-- | modules/reallocarray | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/modules/reallocarray b/modules/reallocarray index a64c6fd2d0..6d762c157a 100644 --- a/modules/reallocarray +++ b/modules/reallocarray @@ -3,6 +3,7 @@ reallocarray function that is glibc compatible. Files: lib/reallocarray.c +m4/malloc.m4 m4/reallocarray.m4 Depends-on: @@ -13,7 +14,7 @@ stdlib configure.ac: gl_FUNC_REALLOCARRAY -if test $HAVE_REALLOCARRAY = 0; then +if test $HAVE_REALLOCARRAY = 0 || test $REPLACE_REALLOCARRAY = 1; then AC_LIBOBJ([reallocarray]) gl_PREREQ_REALLOCARRAY fi |