From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.69 #1 (Red Hat Linux)) id 1NwBP4-00088p-C7 for barebox@lists.infradead.org; Mon, 29 Mar 2010 09:37:03 +0000 From: Sascha Hauer Date: Mon, 29 Mar 2010 11:36:20 +0200 Message-Id: <1269855383-22716-10-git-send-email-s.hauer@pengutronix.de> In-Reply-To: <1269855383-22716-1-git-send-email-s.hauer@pengutronix.de> References: <1269855383-22716-1-git-send-email-s.hauer@pengutronix.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 09/12] add process_escape_sequence function To: barebox@lists.infradead.org Signed-off-by: Sascha Hauer --- include/libbb.h | 2 + lib/Kconfig | 3 ++ lib/Makefile | 1 + lib/process_escape_sequence.c | 78 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 84 insertions(+), 0 deletions(-) create mode 100644 lib/process_escape_sequence.c diff --git a/include/libbb.h b/include/libbb.h index 735ed21..4151230 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -28,4 +28,6 @@ char * safe_strncpy(char *dst, const char *src, size_t size); int copy_file(const char *src, const char *dst); +int process_escape_sequence(const char *source, char *dest, int destlen); + #endif /* __LIBBB_H */ diff --git a/lib/Kconfig b/lib/Kconfig index 90cf784..28c92cd 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -13,5 +13,8 @@ config CRC16 config GENERIC_FIND_NEXT_BIT def_bool n +config PROCESS_ESCAPE_SEQUENCE + def_bool n + source lib/lzo/Kconfig diff --git a/lib/Makefile b/lib/Makefile index 74f7d82..817165d 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -30,3 +30,4 @@ obj-y += notifier.o obj-y += copy_file.o obj-y += lzo/ obj-y += decompress_unlzo.o +obj-$(CONFIG_PROCESS_ESCAPE_SEQUENCE) += process_escape_sequence.o diff --git a/lib/process_escape_sequence.c b/lib/process_escape_sequence.c new file mode 100644 index 0000000..546edaa --- /dev/null +++ b/lib/process_escape_sequence.c @@ -0,0 +1,78 @@ +/* + * process_esacpe_sequence.c + * + * Copyright (c) 2010 Sascha Hauer , Pengutronix + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#include +#include + +int process_escape_sequence(const char *source, char *dest, int destlen) +{ + int i = 0; + + while (*source) { + if (*source == '\\') { + switch (*(source + 1)) { + case 0: + return 0; + case '\\': + dest[i++] = '\\'; + break; + case 'a': + dest[i++] = '\a'; + break; + case 'b': + dest[i++] = '\b'; + break; + case 'n': + dest[i++] = '\n'; + break; + case 'r': + dest[i++] = '\r'; + break; + case 't': + dest[i++] = '\t'; + break; + case 'f': + dest[i++] = '\f'; + break; + case 'e': + dest[i++] = 0x1b; + break; + case 'h': + i += snprintf(dest + i, destlen - i, "%s", CONFIG_BOARDINFO); + break; + case 'w': + i += snprintf(dest + i, destlen - i, "%s", getcwd()); + break; + default: + dest[i++] = '\\'; + dest[i++] = *(source + 1); + } + source++; + } else + dest[i++] = *source; + source++; + if (!(destlen - i)) + break; + } + dest[i] = 0; + return 0; +} + -- 1.7.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox