[PATCH 1/4] btf: btf argument to dt_btf_get_string() should be const

[PATCH 1/4] btf: btf argument to dt_btf_get_string() should be const

[Kris Van Hees]

Signed-off-by: Kris Van Hees <kris.van.hees@oracle.com>
---
 libdtrace/dt_btf.c | 2 +-
 libdtrace/dt_btf.h | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/libdtrace/dt_btf.c b/libdtrace/dt_btf.c
index 1f6dfd54d..d08599192 100644
--- a/libdtrace/dt_btf.c
+++ b/libdtrace/dt_btf.c
@@ -849,7 +849,7 @@ dt_btf_type_by_id(dtrace_hdl_t *dtp, const dt_btf_t *btf, int32_t id)
 }
 
 const char *
-dt_btf_get_string(dtrace_hdl_t *dtp, dt_btf_t *btf, uint32_t off)
+dt_btf_get_string(dtrace_hdl_t *dtp, const dt_btf_t *btf, uint32_t off)
 {
 	if (dtp->dt_shared_btf == NULL)
 		goto ok;
diff --git a/libdtrace/dt_btf.h b/libdtrace/dt_btf.h
index 3e5f53622..d956ad940 100644
--- a/libdtrace/dt_btf.h
+++ b/libdtrace/dt_btf.h
@@ -20,7 +20,8 @@ typedef struct bpf_btf_info	btf_info_t;
 extern void dt_btf_destroy(dtrace_hdl_t *, dt_btf_t *);
 extern dt_btf_t *dt_btf_load_module(dtrace_hdl_t *, dt_module_t *);
 extern ctf_dict_t *dt_btf_module_ctf(dtrace_hdl_t *, dt_module_t *);
-extern const char *dt_btf_get_string(dtrace_hdl_t *, dt_btf_t *, uint32_t);
+extern const char *dt_btf_get_string(dtrace_hdl_t *, const dt_btf_t *,
+				     uint32_t);
 extern int32_t dt_btf_lookup_name_kind(dtrace_hdl_t *, dt_module_t *,
 				       const char *, uint32_t);
 extern int dt_btf_func_argc(dtrace_hdl_t *dtp, const dt_btf_t *btf,
-- 
2.53.0

Re: [PATCH 1/4] btf: btf argument to dt_btf_get_string() should be const

[Nick Alcock]

On 14 Apr 2026, Kris Van Hees told this:

> Signed-off-by: Kris Van Hees <kris.van.hees@oracle.com>

Reviewed-by: Nick Alcock <nick.alcock@oracle.com>

> ---
>  libdtrace/dt_btf.c | 2 +-
>  libdtrace/dt_btf.h | 3 ++-
>  2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/libdtrace/dt_btf.c b/libdtrace/dt_btf.c
> index 1f6dfd54d..d08599192 100644
> --- a/libdtrace/dt_btf.c
> +++ b/libdtrace/dt_btf.c
> @@ -849,7 +849,7 @@ dt_btf_type_by_id(dtrace_hdl_t *dtp, const dt_btf_t *btf, int32_t id)
>  }
>  
>  const char *
> -dt_btf_get_string(dtrace_hdl_t *dtp, dt_btf_t *btf, uint32_t off)
> +dt_btf_get_string(dtrace_hdl_t *dtp, const dt_btf_t *btf, uint32_t off)
>  {
>  	if (dtp->dt_shared_btf == NULL)
>  		goto ok;
> diff --git a/libdtrace/dt_btf.h b/libdtrace/dt_btf.h
> index 3e5f53622..d956ad940 100644
> --- a/libdtrace/dt_btf.h
> +++ b/libdtrace/dt_btf.h
> @@ -20,7 +20,8 @@ typedef struct bpf_btf_info	btf_info_t;
>  extern void dt_btf_destroy(dtrace_hdl_t *, dt_btf_t *);
>  extern dt_btf_t *dt_btf_load_module(dtrace_hdl_t *, dt_module_t *);
>  extern ctf_dict_t *dt_btf_module_ctf(dtrace_hdl_t *, dt_module_t *);
> -extern const char *dt_btf_get_string(dtrace_hdl_t *, dt_btf_t *, uint32_t);
> +extern const char *dt_btf_get_string(dtrace_hdl_t *, const dt_btf_t *,
> +				     uint32_t);
>  extern int32_t dt_btf_lookup_name_kind(dtrace_hdl_t *, dt_module_t *,
>  				       const char *, uint32_t);
>  extern int dt_btf_func_argc(dtrace_hdl_t *dtp, const dt_btf_t *btf,

-- 
NULL && (void)