diff options
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/lineedit.c | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c index a99f9b5..cb675f2 100644 --- a/libbb/lineedit.c +++ b/libbb/lineedit.c @@ -685,29 +685,34 @@ static void exe_n_cwd_tab_completion(char *command, int type) #undef dirbuf } -//FIXME: HUH??? How about Unicode? +/* QUOT is used on elements of int_buf[], which are bytes, + * not Unicode chars. Therefore it works correctly even in Unicode mode. + */ #define QUOT (UCHAR_MAX+1) -#define collapse_pos(is, in) do { \ - memmove(int_buf+(is), int_buf+(in), (MAX_LINELEN+1-(is)-(in)) * sizeof(pos_buf[0])); \ - memmove(pos_buf+(is), pos_buf+(in), (MAX_LINELEN+1-(is)-(in)) * sizeof(pos_buf[0])); \ -} while (0) +#define int_buf (S.find_match__int_buf) +#define pos_buf (S.find_match__pos_buf) + +static void collapse_pos(int is, int in) +{ + memmove(int_buf+is, int_buf+in, (MAX_LINELEN+1 - is - in) * sizeof(int_buf[0])); + memmove(pos_buf+is, pos_buf+in, (MAX_LINELEN+1 - is - in) * sizeof(pos_buf[0])); +} static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) { int i, j; int command_mode; int c, c2; +/* Were local, but it uses too much stack */ /* int16_t int_buf[MAX_LINELEN + 1]; */ /* int16_t pos_buf[MAX_LINELEN + 1]; */ -#define int_buf (S.find_match__int_buf) -#define pos_buf (S.find_match__pos_buf) /* set to integer dimension characters and own positions */ for (i = 0;; i++) { int_buf[i] = (unsigned char)matchBuf[i]; if (int_buf[i] == 0) { - pos_buf[i] = -1; /* indicator end line */ + pos_buf[i] = -1; /* end-fo-line indicator */ break; } pos_buf[i] = i; @@ -720,7 +725,7 @@ static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) int_buf[j] |= QUOT; i++; #if ENABLE_FEATURE_NONPRINTABLE_INVERSE_PUT - if (matchBuf[i] == '\t') /* algorithm equivalent */ + if (matchBuf[i] == '\t') /* algorithm equivalent */ int_buf[j] = ' ' | QUOT; #endif } @@ -763,11 +768,11 @@ static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) } if (command_mode) { collapse_pos(0, i + command_mode); - i = -1; /* hack incremet */ + i = -1; /* hack incremet */ } } /* collapse `command...` */ - for (i = 0; int_buf[i]; i++) + for (i = 0; int_buf[i]; i++) { if (int_buf[i] == '`') { for (j = i + 1; int_buf[j]; j++) if (int_buf[j] == '`') { @@ -776,34 +781,37 @@ static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) break; } if (j) { - /* not found close ` - command mode, collapse all previous */ + /* not found closing ` - command mode, collapse all previous */ collapse_pos(0, i + 1); break; } else - i--; /* hack incremet */ + i--; /* hack incremet */ } + } /* collapse (command...(command...)...) or {command...{command...}...} */ - c = 0; /* "recursive" level */ + c = 0; /* "recursive" level */ c2 = 0; - for (i = 0; int_buf[i]; i++) + for (i = 0; int_buf[i]; i++) { if (int_buf[i] == '(' || int_buf[i] == '{') { if (int_buf[i] == '(') c++; else c2++; collapse_pos(0, i + 1); - i = -1; /* hack incremet */ + i = -1; /* hack incremet */ } - for (i = 0; pos_buf[i] >= 0 && (c > 0 || c2 > 0); i++) + } + for (i = 0; pos_buf[i] >= 0 && (c > 0 || c2 > 0); i++) { if ((int_buf[i] == ')' && c > 0) || (int_buf[i] == '}' && c2 > 0)) { if (int_buf[i] == ')') c--; else c2--; collapse_pos(0, i + 1); - i = -1; /* hack incremet */ + i = -1; /* hack incremet */ } + } /* skip first not quote space */ for (i = 0; int_buf[i]; i++) @@ -814,7 +822,7 @@ static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) /* set find mode for completion */ command_mode = FIND_EXE_ONLY; - for (i = 0; int_buf[i]; i++) + for (i = 0; int_buf[i]; i++) { if (int_buf[i] == ' ' || int_buf[i] == '<' || int_buf[i] == '>') { if (int_buf[i] == ' ' && command_mode == FIND_EXE_ONLY && matchBuf[pos_buf[0]] == 'c' @@ -826,6 +834,7 @@ static NOINLINE int find_match(char *matchBuf, int *len_with_quotes) break; } } + } for (i = 0; int_buf[i]; i++) /* "strlen" */; /* find last word */ @@ -873,9 +882,9 @@ static void showfiles(void) int nrows = nfiles; int l; - /* find the longest file name- use that as the column width */ + /* find the longest file name - use that as the column width */ for (row = 0; row < nrows; row++) { - l = strlen(matches[row]); + l = bb_mbstrlen(matches[row]); if (column_width < l) column_width = l; } @@ -895,7 +904,8 @@ static void showfiles(void) for (nc = 1; nc < ncols && n+nrows < nfiles; n += nrows, nc++) { printf("%s%-*s", matches[n], - (int)(column_width - strlen(matches[n])), ""); + (int)(column_width - bb_mbstrlen(matches[n])), "" + ); } puts(matches[n]); } @@ -904,14 +914,14 @@ static void showfiles(void) static char *add_quote_for_spec_chars(char *found) { int l = 0; - char *s = xmalloc((strlen(found) + 1) * 2); + char *s = xzalloc((strlen(found) + 1) * 2); while (*found) { if (strchr(" `\"#$%^&*()=+{}[]:;\'|\\<>", *found)) s[l++] = '\\'; s[l++] = *found++; } - s[l] = 0; + /* s[l] = '\0'; - already is */ return s; } |