From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Schindelin Subject: [PATCH 2/3] interpolate.[ch]: Add a function to find which interpolations are active. Date: Sun, 4 Nov 2007 19:15:22 +0000 (GMT) Message-ID: References: Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII To: git@vger.kernel.org, Rene Scharfe , gitster@pobox.com X-From: git-owner@vger.kernel.org Sun Nov 04 20:16:33 2007 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1IokxU-0006AD-PD for gcvg-git-2@gmane.org; Sun, 04 Nov 2007 20:16:33 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753465AbXKDTQN (ORCPT ); Sun, 4 Nov 2007 14:16:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753372AbXKDTQM (ORCPT ); Sun, 4 Nov 2007 14:16:12 -0500 Received: from mail.gmx.net ([213.165.64.20]:57958 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1753425AbXKDTQL (ORCPT ); Sun, 4 Nov 2007 14:16:11 -0500 Received: (qmail invoked by alias); 04 Nov 2007 19:16:10 -0000 Received: from unknown (EHLO openvpn-client) [138.251.11.103] by mail.gmx.net (mp029) with SMTP; 04 Nov 2007 20:16:10 +0100 X-Authenticated: #1490710 X-Provags-ID: V01U2FsdGVkX1+gm+twIXigw4IQu/bgQhZcr+FTeaLh9xAZUyFjL7 F+f1KHudONucqb X-X-Sender: gene099@racer.site In-Reply-To: X-Y-GMX-Trusted: 0 Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Some substitutions require pretty expensive operations. So it make sense to find out which are needed to begin with. Signed-off-by: Johannes Schindelin --- interpolate.c | 20 ++++++++++++++++++++ interpolate.h | 2 ++ 2 files changed, 22 insertions(+), 0 deletions(-) diff --git a/interpolate.c b/interpolate.c index 6ef53f2..80eeb36 100644 --- a/interpolate.c +++ b/interpolate.c @@ -102,3 +102,23 @@ unsigned long interpolate(char *result, unsigned long reslen, *dest = '\0'; return newlen; } + +char *interp_find_active(const char *orig, + const struct interp *interps, int ninterps) +{ + char *result = xcalloc(1, ninterps); + char c; + int i; + + while ((c = *(orig++))) + if (c == '%') + /* Try to match an interpolation string. */ + for (i = 0; i < ninterps; i++) + if (!prefixcmp(orig, interps[i].name + 1)) { + result[i] = 1; + orig += strlen(interps[i].name + 1); + break; + } + + return result; +} diff --git a/interpolate.h b/interpolate.h index 77407e6..2d197c5 100644 --- a/interpolate.h +++ b/interpolate.h @@ -22,5 +22,7 @@ extern void interp_clear_table(struct interp *table, int ninterps); extern unsigned long interpolate(char *result, unsigned long reslen, const char *orig, const struct interp *interps, int ninterps); +extern char *interp_find_active(const char *orig, + const struct interp *interps, int ninterps); #endif /* INTERPOLATE_H */ -- 1.5.3.5.1549.g91a3