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libbpf: Stringify errno in log messages in btf*.c

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Convert numeric error codes into the string representations in log
messages in btf.c and btf_dump.c.

Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20241111212919.368971-4-mykyta.yatsenko5@gmail.com
This commit is contained in:
Mykyta Yatsenko
2024-11-11 21:29:18 +00:00
committed by Andrii Nakryiko
parent 6d8af6175e
commit da7d63a690
2 changed files with 16 additions and 13 deletions
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3
src/btf_dump.c
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@@ -21,6 +21,7 @@
#include "hashmap.h"
#include "libbpf.h"
#include "libbpf_internal.h"
#include "str_error.h"
static const char PREFIXES[] = "\t\t\t\t\t\t\t\t\t\t\t\t\t";
static const size_t PREFIX_CNT = sizeof(PREFIXES) - 1;
@@ -1304,7 +1305,7 @@ static void btf_dump_emit_type_decl(struct btf_dump *d, __u32 id,
* chain, restore stack, emit warning, and try to
* proceed nevertheless
*/
pr_warn("not enough memory for decl stack: %d\n", err);
pr_warn("not enough memory for decl stack: %s\n", errstr(err));
d->decl_stack_cnt = stack_start;
return;
}