diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/command.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/common/command.c b/common/command.c index 19f0534a76..e14d1fa1d6 100644 --- a/common/command.c +++ b/common/command.c @@ -142,23 +142,38 @@ int cmd_usage(const cmd_tbl_t *cmdtp) } #ifdef CONFIG_AUTO_COMPLETE +static char env_complete_buf[512]; int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]) { - static char tmp_buf[512]; int space; space = last_char == '\0' || isblank(last_char); if (space && argc == 1) - return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf); + return env_complete("", maxv, cmdv, sizeof(env_complete_buf), + env_complete_buf, false); if (!space && argc == 2) - return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf); + return env_complete(argv[1], maxv, cmdv, + sizeof(env_complete_buf), + env_complete_buf, false); return 0; } +static int dollar_complete(int argc, char * const argv[], char last_char, + int maxv, char *cmdv[]) +{ + /* Make sure the last argument starts with a $. */ + if (argc < 1 || argv[argc - 1][0] != '$' || + last_char == '\0' || isblank(last_char)) + return 0; + + return env_complete(argv[argc - 1], maxv, cmdv, sizeof(env_complete_buf), + env_complete_buf, true); +} + /*************************************************************************************/ int complete_subcmdv(cmd_tbl_t *cmdtp, int count, int argc, @@ -357,9 +372,14 @@ int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp) /* separate into argv */ argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); - /* do the completion and return the possible completions */ - i = complete_cmdv(argc, argv, last_char, - sizeof(cmdv) / sizeof(cmdv[0]), cmdv); + /* first try a $ completion */ + i = dollar_complete(argc, argv, last_char, + sizeof(cmdv) / sizeof(cmdv[0]), cmdv); + if (!i) { + /* do the completion and return the possible completions */ + i = complete_cmdv(argc, argv, last_char, + sizeof(cmdv) / sizeof(cmdv[0]), cmdv); + } /* no match; bell and out */ if (i == 0) { |