diff options
Diffstat (limited to 'bfd/elf-linux-core.h')
| -rw-r--r-- | bfd/elf-linux-core.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/bfd/elf-linux-core.h b/bfd/elf-linux-core.h index 0a5d76f..fa06903 100644 --- a/bfd/elf-linux-core.h +++ b/bfd/elf-linux-core.h @@ -21,6 +21,25 @@ #ifndef ELF_LINUX_CORE_H #define ELF_LINUX_CORE_H +/* gcc-8 warns (*) on all the strncpy calls in this file about + possible string truncation. The "truncation" is not a bug. We + have an external representation of structs with fields that are not + necessarily NULL terminated and corresponding internal + representation fields that are one larger so that they can always + be NULL terminated. + gcc versions between 4.2 and 4.6 do not allow pragma control of + diagnostics inside functions, giving a hard error if you try to use + the finer control available with later versions. + gcc prior to 4.2 warns about diagnostic push and pop. + gcc-5, gcc-6 and gcc-7 warn that -Wstringop-truncation is unknown, + unless you also add #pragma GCC diagnostic ignored "-Wpragma". + (*) Depending on your system header files! */ + +#if GCC_VERSION >= 8000 +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wstringop-truncation" +#endif + /* External 32-bit structure for PRPSINFO. This structure is ABI-defined, thus we choose to use char arrays here in order to avoid dealing with different types in different architectures. @@ -231,4 +250,8 @@ swap_linux_prpsinfo64_ugid16_out strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs)); } +#if GCC_VERSION >= 8000 +#pragma GCC diagnostic pop +#endif + #endif |