[LTP] nm01: Fix BSD vs POSIX format comparison failure on Power

[linuxtestproject.agent@gmail.com]

Hi Wei,

On 2026-05-13, Wei Gao wrote:
> nm01: Fix BSD vs POSIX format comparison failure on Power

> -       ROD awk '{print gensub(/\y(0+)([0-9a-fA-F]+)\y/, "\\2", "g")}' nm_bsd.out \> trimmed_nm_bsd.out
> +       ROD awk '{
> +               if (NF == 2) { val = "0"; type = $1; name = $2; }
> +               else { val = $1; type = $2; name = $3; }
> +               sub(/^0+/, "", val); if (val == "") val = "0";
> +               sub(/^0+/, "", name);
> +               print name type val
> +       }' nm_bsd.out \> nm1.out

Good fix. Replacing gensub() (gawk extension) with sub() is the right
approach here and correctly handles the hex-prefix symbol names on Power.

Reviewed-by: LTP AI Reviewer <ltp-ai@noreply.github.com>

Pre-existing issues noticed in the surrounding code (not introduced
by this patch):

- testcases/commands/nm/nm01.sh — Uses intermediate API (. tst_test.sh /
  tst_run) rather than the current style with tst_loader.sh and doc/env
  blocks. Not a blocker for this fix.

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