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-rw-r--r--toys/posix/ls.c157
1 files changed, 63 insertions, 94 deletions
diff --git a/toys/posix/ls.c b/toys/posix/ls.c
index 548a31a7..9d282acc 100644
--- a/toys/posix/ls.c
+++ b/toys/posix/ls.c
@@ -133,20 +133,17 @@ static int print_with_h(char *s, long long value, int units)
static void entrylen(struct dirtree *dt, unsigned *len)
{
struct stat *st = &(dt->st);
- unsigned flags = toys.optflags;
char tmp[64];
*len = strwidth(dt->name);
if (endtype(st)) ++*len;
- if (flags & FLAG_m) ++*len;
-
- len[1] = (flags & FLAG_i) ? numlen(st->st_ino) : 0;
- if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) {
- unsigned fn = flags & FLAG_n;
+ if (FLAG(m)) ++*len;
+ len[1] = FLAG(i) ? numlen(st->st_ino) : 0;
+ if (FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)) {
len[2] = numlen(st->st_nlink);
- len[3] = fn ? numlen(st->st_uid) : strwidth(getusername(st->st_uid));
- len[4] = fn ? numlen(st->st_gid) : strwidth(getgroupname(st->st_gid));
+ len[3] = FLAG(n) ? numlen(st->st_uid) : strwidth(getusername(st->st_uid));
+ len[4] = FLAG(n) ? numlen(st->st_gid) : strwidth(getgroupname(st->st_gid));
if (S_ISBLK(st->st_mode) || S_ISCHR(st->st_mode)) {
// cheating slightly here: assuming minor is always 3 digits to avoid
// tracking another column
@@ -154,8 +151,8 @@ static void entrylen(struct dirtree *dt, unsigned *len)
} else len[5] = print_with_h(tmp, st->st_size, 1);
}
- len[6] = (flags & FLAG_s) ? print_with_h(tmp, st->st_blocks, 512) : 0;
- len[7] = (flags & FLAG_Z) ? strwidth((char *)dt->extra) : 0;
+ len[6] = FLAG(s) ? print_with_h(tmp, st->st_blocks, 512) : 0;
+ len[7] = FLAG(Z) ? strwidth((char *)dt->extra) : 0;
}
static int compare(void *a, void *b)
@@ -182,15 +179,13 @@ static int compare(void *a, void *b)
static int filter(struct dirtree *new)
{
- int flags = toys.optflags;
-
// Special case to handle enormous dirs without running out of memory.
- if (flags == (FLAG_1|FLAG_f)) {
+ if (toys.optflags == (FLAG_1|FLAG_f)) {
xprintf("%s\n", new->name);
return 0;
}
- if (flags & FLAG_Z) {
+ if (FLAG(Z)) {
if (!CFG_TOYBOX_LSM_NONE) {
// (Wouldn't it be nice if the lsm functions worked like openat(),
@@ -219,12 +214,12 @@ static int filter(struct dirtree *new)
if (CFG_TOYBOX_LSM_NONE || !new->extra) new->extra = (long)xstrdup("?");
}
- if (flags & FLAG_u) new->st.st_mtime = new->st.st_atime;
- if (flags & FLAG_c) new->st.st_mtime = new->st.st_ctime;
+ if (FLAG(u)) new->st.st_mtime = new->st.st_atime;
+ if (FLAG(c)) new->st.st_mtime = new->st.st_ctime;
new->st.st_blocks >>= 1;
- if (flags & (FLAG_a|FLAG_f)) return DIRTREE_SAVE;
- if (!(flags & FLAG_A) && new->name[0]=='.') return 0;
+ if (FLAG(a)||FLAG(f)) return DIRTREE_SAVE;
+ if (!FLAG(A) && new->name[0]=='.') return 0;
return dirtree_notdotdot(new) & DIRTREE_SAVE;
}
@@ -235,8 +230,7 @@ static int filter(struct dirtree *new)
static unsigned long next_column(unsigned long ul, unsigned long dtlen,
unsigned columns, unsigned *xpos)
{
- unsigned long transition;
- unsigned height, widecols;
+ unsigned height, extra;
// Horizontal sort is easy
if (!FLAG(C)) {
@@ -244,31 +238,13 @@ static unsigned long next_column(unsigned long ul, unsigned long dtlen,
return ul;
}
- // vertical sort
-
- // For -x, calculate height of display, rounded up
- height = (dtlen+columns-1)/columns;
-
- // Sanity check: does wrapping render this column count impossible
- // due to the right edge wrapping eating a whole row?
- if (height*columns - dtlen >= height) {
- *xpos = columns;
- return 0;
- }
-
- // Uneven rounding goes along right edge
- widecols = dtlen % height;
- if (!widecols) widecols = height;
- transition = widecols * columns;
- if (ul < transition) {
- *xpos = ul % columns;
- return (*xpos*height) + (ul/columns);
- }
-
- ul -= transition;
- *xpos = ul % (columns-1);
+ // vertical sort (-x), uneven rounding goes along right edge
+ height = (dtlen+columns-1)/columns; // round up
+ extra = dtlen%height; // how many rows are wider?
+ if (extra && ul >= extra*columns) ul -= extra*columns--;
+ else extra = 0;
- return (*xpos*height) + widecols + (ul/(columns-1));
+ return (*xpos = ul % columns)*height + extra + ul/columns;
}
static int color_from_mode(mode_t mode)
@@ -301,7 +277,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
{
struct dirtree *dt, **sort;
unsigned long dtlen, ul = 0;
- unsigned width, flags = toys.optflags, totals[8], len[8], totpad = 0,
+ unsigned width, totals[8], len[8], totpad = 0,
*colsizes = (unsigned *)toybuf, columns = sizeof(toybuf)/4;
char tmp[64];
@@ -319,8 +295,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
// Silently descend into single directory listed by itself on command line.
// In this case only show dirname/total header when given -R.
dt = indir->child;
- if (dt && S_ISDIR(dt->st.st_mode) && !dt->next && !(flags&(FLAG_d|FLAG_R)))
- {
+ if (dt && S_ISDIR(dt->st.st_mode) && !dt->next && !(FLAG(d)||FLAG(R))) {
listfiles(open(dt->name, 0), TT.singledir = dt);
return;
@@ -328,11 +303,11 @@ static void listfiles(int dirfd, struct dirtree *indir)
// Do preprocessing (Dirtree didn't populate, so callback wasn't called.)
for (;dt; dt = dt->next) filter(dt);
- if (flags == (FLAG_1|FLAG_f)) return;
+ if (toys.optflags == (FLAG_1|FLAG_f)) return;
// Read directory contents. We dup() the fd because this will close it.
// This reads/saves contents to display later, except for in "ls -1f" mode.
} else dirtree_recurse(indir, filter, dup(dirfd),
- DIRTREE_STATLESS|DIRTREE_SYMFOLLOW*!!(flags&FLAG_L));
+ DIRTREE_STATLESS|DIRTREE_SYMFOLLOW*!!FLAG(L));
// Copy linked list to array and sort it. Directories go in array because
// we visit them in sorted order too. (The nested loops let us measure and
@@ -344,8 +319,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
}
// Label directory if not top of tree, or if -R
- if (indir->parent && (TT.singledir!=indir || (flags&FLAG_R)))
- {
+ if (indir->parent && (TT.singledir!=indir || FLAG(R))) {
char *path = dirtree_path(indir, 0);
if (TT.nl_title++) xputc('\n');
@@ -354,7 +328,7 @@ static void listfiles(int dirfd, struct dirtree *indir)
}
// Measure each entry to work out whitespace padding and total blocks
- if (!(flags & FLAG_f)) {
+ if (!FLAG(f)) {
unsigned long long blocks = 0;
qsort(sort, dtlen, sizeof(void *), (void *)compare);
@@ -365,14 +339,15 @@ static void listfiles(int dirfd, struct dirtree *indir)
blocks += sort[ul]->st.st_blocks;
}
totpad = totals[1]+!!totals[1]+totals[6]+!!totals[6]+totals[7]+!!totals[7];
- if ((flags&(FLAG_h|FLAG_l|FLAG_o|FLAG_n|FLAG_g|FLAG_s)) && indir->parent) {
+ if ((FLAG(h)||FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)||FLAG(s)) && indir->parent)
+ {
print_with_h(tmp, blocks, 512);
xprintf("total %s\n", tmp);
}
}
// Find largest entry in each field for display alignment
- if (flags & (FLAG_C|FLAG_x)) {
+ if (FLAG(C)||FLAG(x)) {
// columns can't be more than toybuf can hold, or more than files,
// or > 1/2 screen width (one char filename, one space).
@@ -384,11 +359,10 @@ static void listfiles(int dirfd, struct dirtree *indir)
unsigned c, totlen = columns;
memset(colsizes, 0, columns*sizeof(unsigned));
- for (ul=0; ul<dtlen; ul++) {
+ for (ul = 0; ul<dtlen; ul++) {
+ // measure each entry, plus two spaces between filenames
entrylen(sort[next_column(ul, dtlen, columns, &c)], len);
- // Add `2` to `totpad` to ensure two spaces between filenames
- *len += totpad+2;
- if (c == columns) break;
+ if (c<columns-1) *len += totpad+2;
// Expand this column if necessary, break if that puts us over budget
if (*len > colsizes[c]) {
totlen += (*len)-colsizes[c];
@@ -405,9 +379,8 @@ static void listfiles(int dirfd, struct dirtree *indir)
width = 0;
for (ul = 0; ul<dtlen; ul++) {
int ii, zap;
- unsigned curcol, lastlen = *len, lastcol = ul ? curcol : 0, color = 0;
- unsigned long next = next_column(ul, dtlen, columns, &curcol);
- struct stat *st = &(sort[next]->st);
+ unsigned curcol, lastlen = *len, color = 0;
+ struct stat *st = &((dt = sort[next_column(ul,dtlen,columns,&curcol)])->st);
mode_t mode = st->st_mode;
char et = endtype(st), *ss;
@@ -415,22 +388,22 @@ static void listfiles(int dirfd, struct dirtree *indir)
zap = !st->st_blksize && !st->st_dev && !st->st_ino;
// Skip directories at the top of the tree when -d isn't set
- if (S_ISDIR(mode) && !indir->parent && !(flags & FLAG_d)) continue;
+ if (S_ISDIR(mode) && !indir->parent && !FLAG(d)) continue;
TT.nl_title=1;
// Handle padding and wrapping for display purposes
- entrylen(sort[next], len);
+ entrylen(dt, len);
if (ul) {
- int mm = !!(flags & FLAG_m);
+ int mm = !!FLAG(m);
if (mm) xputc(',');
- if (flags & (FLAG_C|FLAG_x)) {
+ if (FLAG(C)||FLAG(x)) {
if (!curcol) xputc('\n');
- else { // Pad columns
- lastcol = colsizes[lastcol]-lastlen-totpad;
- printf("%*c", lastcol, ' ');
+ else {
+ if (ul) next_column(ul-1, dtlen, columns, &curcol);
+ printf("%*c", colsizes[ul ? curcol : 0]-lastlen-totpad, ' ');
}
- } else if ((flags & FLAG_1) || width+1+*len > TT.screen_width) {
+ } else if (FLAG(1) || width+1+*len > TT.screen_width) {
xputc('\n');
width = 0;
} else {
@@ -440,43 +413,40 @@ static void listfiles(int dirfd, struct dirtree *indir)
}
width += *len;
- if (flags & FLAG_i) zprint(zap, "lu ", totals[1], st->st_ino);
+ if (FLAG(i)) zprint(zap, "lu ", totals[1], st->st_ino);
- if (flags & FLAG_s) {
+ if (FLAG(s)) {
print_with_h(tmp, st->st_blocks, 512);
zprint(zap, "s ", totals[6], (unsigned long)tmp);
}
- if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) {
-
- // (long) is to coerce the st types into something we know we can print.
+ if (FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)) {
mode_to_string(mode, tmp);
if (zap) memset(tmp+1, '?', 9);
printf("%s", tmp);
zprint(zap, "ld", totals[2]+1, st->st_nlink);
// print user
- if (!(flags&FLAG_g)) {
+ if (!FLAG(g)) {
putchar(' ');
ii = -totals[3];
- if (zap || (flags&FLAG_n)) zprint(zap, "lu", ii, st->st_uid);
+ if (zap || FLAG(n)) zprint(zap, "lu", ii, st->st_uid);
else draw_trim_esc(getusername(st->st_uid), ii, abs(ii), TT.escmore,
crunch_qb);
}
// print group
- if (!(flags&FLAG_o)) {
+ if (!FLAG(o)) {
putchar(' ');
ii = -totals[4];
- if (zap || (flags&FLAG_n)) zprint(zap, "lu", ii, st->st_gid);
+ if (zap || FLAG(n)) zprint(zap, "lu", ii, st->st_gid);
else draw_trim_esc(getgroupname(st->st_gid), ii, abs(ii), TT.escmore,
crunch_qb);
}
}
- if (FLAG(Z))
- printf(" %-*s "+!FLAG(l), -(int)totals[7], (char *)sort[next]->extra);
+ if (FLAG(Z)) printf(" %-*s "+!FLAG(l), -(int)totals[7], (char *)dt->extra);
- if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) {
+ if (FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)) {
struct tm *tm;
// print major/minor, or size
@@ -500,27 +470,27 @@ static void listfiles(int dirfd, struct dirtree *indir)
zprint(zap, "s ", 17+(TT.l>1)*13, (unsigned long)tmp);
}
- if (flags & FLAG_color) {
+ if (FLAG(color)) {
color = color_from_mode(st->st_mode);
if (color) printf("\033[%d;%dm", color>>8, color&255);
}
- ss = sort[next]->name;
+ ss = dt->name;
crunch_str(&ss, INT_MAX, stdout, TT.escmore, crunch_qb);
if (color) printf("\033[0m");
- if ((flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) && S_ISLNK(mode)) {
+ if ((FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)) && S_ISLNK(mode)) {
printf(" -> ");
- if (!zap && (flags & FLAG_color)) {
+ if (!zap && FLAG(color)) {
struct stat st2;
- if (fstatat(dirfd, sort[next]->symlink, &st2, 0)) color = 256+31;
+ if (fstatat(dirfd, dt->symlink, &st2, 0)) color = 256+31;
else color = color_from_mode(st2.st_mode);
if (color) printf("\033[%d;%dm", color>>8, color&255);
}
- zprint(zap, "s", 0, (unsigned long)sort[next]->symlink);
+ zprint(zap, "s", 0, (unsigned long)dt->symlink);
if (!zap && color) printf("\033[0m");
}
@@ -532,10 +502,10 @@ static void listfiles(int dirfd, struct dirtree *indir)
// Free directory entries, recursing first if necessary.
for (ul = 0; ul<dtlen; free(sort[ul++])) {
- if ((flags & FLAG_d) || !S_ISDIR(sort[ul]->st.st_mode)) continue;
+ if (FLAG(d) || !S_ISDIR(sort[ul]->st.st_mode)) continue;
// Recurse into dirs if at top of the tree or given -R
- if (!indir->parent || ((flags&FLAG_R) && dirtree_notdotdot(sort[ul])))
+ if (!indir->parent || (FLAG(R) && dirtree_notdotdot(sort[ul])))
listfiles(openat(dirfd, sort[ul]->name, 0), sort[ul]);
free((void *)sort[ul]->extra);
}
@@ -556,15 +526,15 @@ void ls_main(void)
// Do we have an implied -1
if (isatty(1)) {
if (!FLAG(show_control_chars)) toys.optflags |= FLAG_b;
- if (toys.optflags&(FLAG_l|FLAG_o|FLAG_n|FLAG_g)) toys.optflags |= FLAG_1;
- else if (!(toys.optflags&(FLAG_1|FLAG_x|FLAG_m))) toys.optflags |= FLAG_C;
+ if (FLAG(l)||FLAG(o)||FLAG(n)||FLAG(g)) toys.optflags |= FLAG_1;
+ else if (!(FLAG(1)||FLAG(x)||FLAG(m))) toys.optflags |= FLAG_C;
} else {
if (!FLAG(m)) toys.optflags |= FLAG_1;
if (TT.color) toys.optflags ^= FLAG_color;
}
TT.screen_width = 80;
- if (FLAG(w)) TT.screen_width = TT.w+4;
+ if (FLAG(w)) TT.screen_width = TT.w+2;
else terminal_size(&TT.screen_width, NULL);
if (TT.screen_width<2) TT.screen_width = 2;
if (FLAG(b)) TT.escmore = " \\";
@@ -580,8 +550,7 @@ void ls_main(void)
TT.files = dirtree_add_node(0, 0, 0);
TT.files->dirfd = AT_FDCWD;
for (s = *toys.optargs ? toys.optargs : noargs; *s; s++) {
- int sym = !(toys.optflags&(FLAG_l|FLAG_d|FLAG_F))
- || (toys.optflags&(FLAG_L|FLAG_H));
+ int sym = !(FLAG(l)||FLAG(d)||FLAG(F)) || FLAG(L) || FLAG(H);
dt = dirtree_add_node(0, *s, DIRTREE_STATLESS|DIRTREE_SYMFOLLOW*sym);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 03:32:41 +0000