diff options
Diffstat (limited to 'lib/process_escape_sequence.c')
| -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); |