grepc: grepc_linux_syscall_def: Improve readability of regex

This improves the readability of the regex, and also the
robustness, at the cost of just a few ms.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/bin/grepc b/bin/grepc
index bd7b823e2286d1407b98d40075a23c5adf2e5151..b1b8b06a23b8a686f414b6835c5a397f2375feb3 100755 (executable)
--- a/bin/grepc
+++ b/bin/grepc
@@ -101,7 +101,7 @@ function grepc_linux_syscall_def()
        grepc_helper \
          "SYSCALL_DEFINE.\($1\b" \
          '.' \
-         "(?s)^\w*SYSCALL_DEFINE.\($1\b.*?^}";
+         "(?s)^(COMPAT_)?SYSCALL_DEFINE.\($1\b.*?^}";
 }