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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-03-29 10:56:19 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-03-30 14:14:58 +0200 |
| commit | adaffb5b0cbf75a86fd203bdb2264de2b3a29435 (patch) | |
| tree | 0bc1334274b3bcbcb6aed8c334a636c6f0b6ea5b /lib | |
| parent | 362d6375aabbe23239a63a2db86d369590697218 (diff) | |
| download | barebox-adaffb5b0cbf75a86fd203bdb2264de2b3a29435.tar.gz barebox-adaffb5b0cbf75a86fd203bdb2264de2b3a29435.tar.xz | |
add process_escape_sequence function
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 3 | ||||
| -rw-r--r-- | lib/Makefile | 1 | ||||
| -rw-r--r-- | lib/process_escape_sequence.c | 78 |
3 files changed, 82 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 90cf7848b6..28c92cd2b3 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 0e4b5f384a..b072fb6bea 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -30,3 +30,4 @@ obj-y += notifier.o obj-y += copy_file.o obj-y += lzo/ obj-$(CONFIG_LZO_DECOMPRESS) += decompress_unlzo.o +obj-$(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 0000000000..546edaa01f --- /dev/null +++ b/lib/process_escape_sequence.c @@ -0,0 +1,78 @@ +/* + * process_esacpe_sequence.c + * + * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>, 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 <common.h> +#include <fs.h> + +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; +} + |