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| author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-09-17 09:50:04 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-09-18 09:17:13 +0200 |
| commit | 56ee5d3aac2d73dbe1e699000cb83eea18278e68 (patch) | |
| tree | fd1d1e1251ff657b813b9273c22efdc113a8025b /lib | |
| parent | 179ed619f428da8a86ddabe3033f0acdf5159236 (diff) | |
| download | barebox-56ee5d3aac2d73dbe1e699000cb83eea18278e68.tar.gz barebox-56ee5d3aac2d73dbe1e699000cb83eea18278e68.tar.xz | |
process_escape_sequence: add support to \$?
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/process_escape_sequence.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/process_escape_sequence.c b/lib/process_escape_sequence.c index be77792787..47a7e5cd92 100644 --- a/lib/process_escape_sequence.c +++ b/lib/process_escape_sequence.c @@ -19,6 +19,7 @@ #include <common.h> #include <fs.h> #include <libbb.h> +#include <shell.h> int process_escape_sequence(const char *source, char *dest, int destlen) { @@ -59,6 +60,12 @@ int process_escape_sequence(const char *source, char *dest, int destlen) case 'w': i += snprintf(dest + i, destlen - i, "%s", getcwd()); break; + case '$': + if (*(source + 2) == '?') { + i += snprintf(dest + i, destlen - i, "%d", shell_get_last_return_code()); + source++; + break; + } default: dest[i++] = '\\'; dest[i++] = *(source + 1); |