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| author | Chet Ramey <chet.ramey@case.edu> | 2011-11-21 20:51:19 -0500 |
|---|---|---|
| committer | Chet Ramey <chet.ramey@case.edu> | 2011-11-21 20:51:19 -0500 |
| commit | 0001803f0b9523c94fa2ede48eaecb047fef4524 (patch) | |
| tree | f334332811e033ff966d94f6268f0629a94304b3 /lib/readline/histexpand.c | |
| parent | 89a92869e56aba4e4cab2d639c00a86f0545c862 (diff) | |
| download | android_external_bash-0001803f0b9523c94fa2ede48eaecb047fef4524.tar.gz android_external_bash-0001803f0b9523c94fa2ede48eaecb047fef4524.tar.bz2 android_external_bash-0001803f0b9523c94fa2ede48eaecb047fef4524.zip | |
Bash-4.1 distribution source
Diffstat (limited to 'lib/readline/histexpand.c')
| -rw-r--r-- | lib/readline/histexpand.c | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/lib/readline/histexpand.c b/lib/readline/histexpand.c index bf5ac0e..42498d2 100644 --- a/lib/readline/histexpand.c +++ b/lib/readline/histexpand.c @@ -305,16 +305,20 @@ get_history_event (string, caller_index, delimiting_quote) /* Extract the contents of STRING as if it is enclosed in single quotes. SINDEX, when passed in, is the offset of the character immediately following the opening single quote; on exit, SINDEX is left pointing - to the closing single quote. */ + to the closing single quote. FLAGS currently used to allow backslash + to escape a single quote (e.g., for bash $'...'). */ static void -hist_string_extract_single_quoted (string, sindex) +hist_string_extract_single_quoted (string, sindex, flags) char *string; - int *sindex; + int *sindex, flags; { register int i; for (i = *sindex; string[i] && string[i] != '\''; i++) - ; + { + if ((flags & 1) && string[i] == '\\' && string[i+1]) + i++; + } *sindex = i; } @@ -924,7 +928,7 @@ history_expand (hstring, output) char **output; { register int j; - int i, r, l, passc, cc, modified, eindex, only_printing, dquote; + int i, r, l, passc, cc, modified, eindex, only_printing, dquote, flag; char *string; /* The output string, and its length. */ @@ -1044,8 +1048,9 @@ history_expand (hstring, output) else if (dquote == 0 && history_quotes_inhibit_expansion && string[i] == '\'') { /* If this is bash, single quotes inhibit history expansion. */ + flag = (i > 0 && string[i - 1] == '$'); i++; - hist_string_extract_single_quoted (string, &i); + hist_string_extract_single_quoted (string, &i, flag); } else if (history_quotes_inhibit_expansion && string[i] == '\\') { @@ -1096,7 +1101,7 @@ history_expand (hstring, output) if (strlen (mb) > 1) { ADD_STRING (mb); - break; + continue; } } #endif /* HANDLE_MULTIBYTE */ @@ -1130,8 +1135,9 @@ history_expand (hstring, output) { int quote, slen; + flag = (i > 0 && string[i - 1] == '$'); quote = i++; - hist_string_extract_single_quoted (string, &i); + hist_string_extract_single_quoted (string, &i, flag); slen = i - quote + 2; temp = (char *)xmalloc (slen); @@ -1435,17 +1441,21 @@ history_tokenize_word (string, ind) i += 2; return i; } - else + else if ((peek == '&' && (string[i] == '>' || string[i] == '<')) || + (peek == '>' && string[i] == '&') || + (peek == '(' && (string[i] == '>' || string[i] == '<')) || /* ) */ + (peek == '(' && string[i] == '$')) /* ) */ { - if ((peek == '&' && (string[i] == '>' || string[i] == '<')) || - (peek == '>' && string[i] == '&') || - (peek == '(' && (string[i] == '>' || string[i] == '<')) || /* ) */ - (peek == '(' && string[i] == '$')) /* ) */ - { - i += 2; - return i; - } + i += 2; + return i; } +#if 0 + else if (peek == '\'' && string[i] == '$') + { + i += 2; /* XXX */ + return i; + } +#endif if (string[i] != '$') { |