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| author | Sandra Loosemore <sandra@codesourcery.com> | 2021-10-25 11:08:28 -0700 |
|---|---|---|
| committer | Sandra Loosemore <sandra@codesourcery.com> | 2021-10-26 07:24:31 -0700 |
| commit | f9190a1c6d001099d1409298ae3b684499bd1fdd (patch) | |
| tree | f179f0779ad2e2f0088792deb982b76d1f5a0deb | |
| parent | a1516b50f291e132d76e3dc79ea91148f8713deb (diff) | |
| download | gcc-f9190a1c6d001099d1409298ae3b684499bd1fdd.zip gcc-f9190a1c6d001099d1409298ae3b684499bd1fdd.tar.gz gcc-f9190a1c6d001099d1409298ae3b684499bd1fdd.tar.bz2 | |
Fix broken use of alloca in C interoperability testcase
2021-10-25 Sandra Loosemore <sandra@codesourcery.com>
gcc/testsuite/
PR testsuite/102910
* gfortran.dg/c-interop/cf-descriptor-5-c.c: Use a static buffer
instead of alloca.
| -rw-r--r-- | gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c b/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c index 12464b5..320a354 100644 --- a/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c +++ b/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c @@ -1,6 +1,5 @@ #include <stdlib.h> #include <stdio.h> -#include <alloca.h> #include <ISO_Fortran_binding.h> #include "dump-descriptors.h" @@ -8,12 +7,18 @@ extern void ctest (int n); extern void ftest (CFI_cdesc_t *a, int n); +#define BUFSIZE 512 +static char adata[BUFSIZE]; + void ctest (int n) { CFI_CDESC_T(0) adesc; CFI_cdesc_t *a = (CFI_cdesc_t *) &adesc; - char *adata = (char *) alloca (n); + + /* Use a fixed-size static buffer instead of allocating one dynamically. */ + if (n > BUFSIZE) + abort (); /* Fill in adesc. */ check_CFI_status ("CFI_establish", |