diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ls.c | 264 |
1 files changed, 199 insertions, 65 deletions
@@ -223,6 +223,9 @@ struct fileinfo /* For color listings, true if a regular file has capability info. */ bool has_capability; + + /* Whether file name needs quoting. tri-state with -1 == unknown. */ + int quoted; }; #define LEN_STR_PAIR(s) sizeof (s) - 1, s @@ -241,17 +244,24 @@ struct bin_str # define tcgetpgrp(Fd) 0 #endif -static size_t quote_name (FILE *out, const char *name, +static size_t quote_name (char const *name, struct quoting_options const *options, - size_t *width); + int needs_general_quoting, + const struct bin_str *color, + bool allow_pad, struct obstack *stack); +static size_t quote_name_buf (char **inbuf, size_t bufsize, char *name, + struct quoting_options const *options, + int needs_general_quoting, size_t *width, + bool *pad); static char *make_link_name (char const *name, char const *linkname); static int decode_switches (int argc, char **argv); static bool file_ignored (char const *name); static uintmax_t gobble_file (char const *name, enum filetype type, ino_t inode, bool command_line_arg, char const *dirname); -static bool print_color_indicator (const struct fileinfo *f, - bool symlink_target); +static const struct bin_str * get_color_indicator (const struct fileinfo *f, + bool symlink_target); +static bool print_color_indicator (const struct bin_str *ind); static void put_indicator (const struct bin_str *ind); static void add_ignore_pattern (const char *pattern); static void attach (char *dest, const char *dirname, const char *name); @@ -317,6 +327,13 @@ static size_t cwd_n_alloc; /* Index of first unused slot in 'cwd_file'. */ static size_t cwd_n_used; +/* Whether files needs may need padding due to quoting. */ +static bool cwd_some_quoted; + +/* Whether quoting style _may_ add outer quotes, + and whether aligning those is useful. */ +static bool align_variable_outer_quotes; + /* Vector of pointers to files, in proper sorted order, and the number of entries allocated for it. */ static void **sorted_file; @@ -2065,8 +2082,15 @@ decode_switches (int argc, char **argv) or line_lengths shorter than MIN_COLUMN_WIDTH. */ max_idx += line_length % MIN_COLUMN_WIDTH != 0; + enum quoting_style qs = get_quoting_style (NULL); + align_variable_outer_quotes = format != with_commas + && format != one_per_line + && (line_length || format == long_format) + && (qs == shell_quoting_style + || qs == shell_escape_quoting_style + || qs == c_maybe_quoting_style); filename_quoting_options = clone_quoting_options (NULL); - if (get_quoting_style (filename_quoting_options) == escape_quoting_style) + if (qs == escape_quoting_style) set_char_quoting (filename_quoting_options, ' ', 1); if (file_type <= indicator_style) { @@ -2686,24 +2710,24 @@ print_dir (char const *name, char const *realname, bool command_line_arg) dev_ino_push (dir_stat.st_dev, dir_stat.st_ino); } + clear_files (); + if (recursive || print_dir_name) { if (!first) DIRED_PUTCHAR ('\n'); first = false; DIRED_INDENT (); - PUSH_CURRENT_DIRED_POS (&subdired_obstack); - dired_pos += quote_name (stdout, realname ? realname : name, - dirname_quoting_options, NULL); - PUSH_CURRENT_DIRED_POS (&subdired_obstack); + + quote_name (realname ? realname : name, dirname_quoting_options, -1, + NULL, true, &subdired_obstack); + DIRED_FPUTS_LITERAL (":\n", stdout); } /* Read the directory entries, and insert the subfiles into the 'cwd_file' table. */ - clear_files (); - while (1) { /* Set errno to zero so we can distinguish between a readdir failure @@ -2911,6 +2935,7 @@ clear_files (void) } cwd_n_used = 0; + cwd_some_quoted = false; any_has_acl = false; inode_number_width = 0; block_size_width = 0; @@ -3009,6 +3034,15 @@ has_capability_cache (char const *file, struct fileinfo *f) return b; } +static bool +needs_quoting (char const* name) +{ + char test[2]; + size_t len = quotearg_buffer (test, sizeof test , name, -1, + filename_quoting_options); + return *name != *test || strlen (name) != len; +} + /* Add a file to the current table of files. Verify that the file exists, and print an error message if it does not. Return the number of blocks that the file occupies. */ @@ -3034,6 +3068,15 @@ gobble_file (char const *name, enum filetype type, ino_t inode, f->stat.st_ino = inode; f->filetype = type; + f->quoted = -1; + if ((! cwd_some_quoted) && align_variable_outer_quotes) + { + /* Determine if any quoted for padding purposes. */ + f->quoted = needs_quoting (name); + if (f->quoted) + cwd_some_quoted = 1; + } + if (command_line_arg || format_needs_stat /* When coloring a directory (we may know the type from @@ -4111,34 +4154,59 @@ print_long_format (const struct fileinfo *f) print_type_indicator (f->stat_ok, f->stat.st_mode, f->filetype); } -/* Output to OUT a quoted representation of the file name NAME, - using OPTIONS to control quoting. Produce no output if OUT is NULL. +/* Write to *BUF a quoted representation of the file name NAME, if non-NULL, + using OPTIONS to control quoting. *BUF is set to NAME if no quoting + is required. *BUF is allocated if more space required (and the original + *BUF is not deallocated). Store the number of screen columns occupied by NAME's quoted - representation into WIDTH, if non-NULL. Return the number of bytes - produced. */ + representation into WIDTH, if non-NULL. + Store into PAD whether an initial space is needed for padding. + Return the number of bytes in *BUF. */ static size_t -quote_name (FILE *out, const char *name, struct quoting_options const *options, - size_t *width) +quote_name_buf (char **inbuf, size_t bufsize, char *name, + struct quoting_options const *options, + int needs_general_quoting, size_t *width, bool *pad) { - char smallbuf[BUFSIZ]; - size_t len = quotearg_buffer (smallbuf, sizeof smallbuf, name, -1, options); - char *buf; + char *buf = *inbuf; size_t displayed_width IF_LINT ( = 0); + size_t len = 0; + bool quoted; - if (len < sizeof smallbuf) - buf = smallbuf; - else + enum quoting_style qs = get_quoting_style (options); + bool needs_further_quoting = qmark_funny_chars + && (qs == shell_quoting_style + || qs == shell_always_quoting_style + || qs == literal_quoting_style); + + if (needs_general_quoting != 0) { - buf = alloca (len + 1); - quotearg_buffer (buf, len + 1, name, -1, options); + len = quotearg_buffer (buf, bufsize, name, -1, options); + if (bufsize <= len) + { + buf = xmalloc (len + 1); + quotearg_buffer (buf, len + 1, name, -1, options); + } + + quoted = (*name != *buf) || strlen (name) != len; } + else if (needs_further_quoting) + { + len = strlen (name); + if (bufsize <= len) + buf = xmalloc (len + 1); + memcpy (buf, name, len + 1); - enum quoting_style qs = get_quoting_style (options); + quoted = false; + } + else + { + len = strlen (name); + buf = name; + quoted = false; + } - if (qmark_funny_chars - && (qs == shell_quoting_style || qs == shell_always_quoting_style - || qs == literal_quoting_style)) + if (needs_further_quoting) { if (MB_CUR_MAX > 1) { @@ -4274,45 +4342,108 @@ quote_name (FILE *out, const char *name, struct quoting_options const *options, } } - if (out != NULL) - fwrite (buf, 1, len, out); + /* Set padding to better align quoted items, + and also give a visual indication that quotes are + not actually part of the name. */ + *pad = (align_variable_outer_quotes && cwd_some_quoted && ! quoted); + if (width != NULL) *width = displayed_width; + + *inbuf = buf; + return len; } static size_t -print_name_with_quoting (const struct fileinfo *f, - bool symlink_target, - struct obstack *stack, - size_t start_col) +quote_name_width (const char *name, struct quoting_options const *options, + int needs_general_quoting) { - const char* name = symlink_target ? f->linkname : f->name; + char smallbuf[BUFSIZ]; + char *buf = smallbuf; + size_t width; + bool pad; + + quote_name_buf (&buf, sizeof smallbuf, (char *) name, options, + needs_general_quoting, &width, &pad); + + if (buf != smallbuf && buf != name) + free (buf); + + width += pad; - bool used_color_this_time - = (print_with_color - && (print_color_indicator (f, symlink_target) - || is_colored (C_NORM))); + return width; +} + +static size_t +quote_name (char const *name, struct quoting_options const *options, + int needs_general_quoting, const struct bin_str *color, + bool allow_pad, struct obstack *stack) +{ + char smallbuf[BUFSIZ]; + char *buf = smallbuf; + size_t len; + bool pad; + + len = quote_name_buf (&buf, sizeof smallbuf, (char *) name, options, + needs_general_quoting, NULL, &pad); + + if (pad && allow_pad) + DIRED_PUTCHAR (' '); + + if (color) + print_color_indicator (color); if (stack) PUSH_CURRENT_DIRED_POS (stack); - size_t width = quote_name (stdout, name, filename_quoting_options, NULL); - dired_pos += width; + fwrite (buf, 1, len, stdout); + + if (buf != smallbuf && buf != name) + free (buf); + + dired_pos += len; if (stack) PUSH_CURRENT_DIRED_POS (stack); + return len + pad; +} + +static size_t +print_name_with_quoting (const struct fileinfo *f, + bool symlink_target, + struct obstack *stack, + size_t start_col) +{ + const char* name = symlink_target ? f->linkname : f->name; + + const struct bin_str *color = print_with_color ? + get_color_indicator (f, symlink_target) : NULL; + + bool used_color_this_time = (print_with_color + && (color || is_colored (C_NORM))); + + size_t len = quote_name (name, filename_quoting_options, f->quoted, + color, !symlink_target, stack); + process_signals (); if (used_color_this_time) { prep_non_filename_text (); + + /* We use the byte length rather than display width here as + an optimization to avoid accurately calculating the width, + because we only output the clear to EOL sequence if the name + _might_ wrap to the next line. This may output a sequence + unnecessarily in multi-byte locales for example, + but in that case it's inconsequential to the output. */ if (line_length - && (start_col / line_length != (start_col + width - 1) / line_length)) + && (start_col / line_length != (start_col + len - 1) / line_length)) put_indicator (&color_indicator[C_CLR_TO_EOL]); } - return width; + return len; } static void @@ -4403,9 +4534,26 @@ print_type_indicator (bool stat_ok, mode_t mode, enum filetype type) return !!c; } -/* Returns whether any color sequence was printed. */ +/* Returns if color sequence was printed. */ static bool -print_color_indicator (const struct fileinfo *f, bool symlink_target) +print_color_indicator (const struct bin_str *ind) +{ + if (ind) + { + /* Need to reset so not dealing with attribute combinations */ + if (is_colored (C_NORM)) + restore_default_color (); + put_indicator (&color_indicator[C_LEFT]); + put_indicator (ind); + put_indicator (&color_indicator[C_RIGHT]); + } + + return ind != NULL; +} + +/* Returns color indicator or NULL if none. */ +static const struct bin_str* _GL_ATTRIBUTE_PURE +get_color_indicator (const struct fileinfo *f, bool symlink_target) { enum indicator_no type; struct color_ext_type *ext; /* Color extension */ @@ -4508,22 +4656,10 @@ print_color_indicator (const struct fileinfo *f, bool symlink_target) type = C_ORPHAN; } - { - const struct bin_str *const s - = ext ? &(ext->seq) : &color_indicator[type]; - if (s->string != NULL) - { - /* Need to reset so not dealing with attribute combinations */ - if (is_colored (C_NORM)) - restore_default_color (); - put_indicator (&color_indicator[C_LEFT]); - put_indicator (s); - put_indicator (&color_indicator[C_RIGHT]); - return true; - } - else - return false; - } + const struct bin_str *const s + = ext ? &(ext->seq) : &color_indicator[type]; + + return s->string ? s : NULL; } /* Output a color indicator (which may contain nulls). */ @@ -4551,7 +4687,6 @@ static size_t length_of_file_name_and_frills (const struct fileinfo *f) { size_t len = 0; - size_t name_width; char buf[MAX (LONGEST_HUMAN_READABLE + 1, INT_BUFSIZE_BOUND (uintmax_t))]; if (print_inode) @@ -4570,8 +4705,7 @@ length_of_file_name_and_frills (const struct fileinfo *f) if (print_scontext) len += 1 + (format == with_commas ? strlen (f->scontext) : scontext_width); - quote_name (NULL, f->name, filename_quoting_options, &name_width); - len += name_width; + len += quote_name_width (f->name, filename_quoting_options, f->quoted); if (indicator_style != none) { |