diff options
| -rw-r--r-- | toys/posix/ls.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/toys/posix/ls.c b/toys/posix/ls.c index f7cc52db..9c4d6d3b 100644 --- a/toys/posix/ls.c +++ b/toys/posix/ls.c @@ -5,7 +5,7 @@ * * See http://opengroup.org/onlinepubs/9699919799/utilities/ls.html -USE_LS(NEWTOY(ls, USE_LS_COLOR("(color):;")USE_LS_SMACK("Z")"goACFHLRSacdfiklmnpqrstux1[-1Cglmnox][-cu][-ftS][-HL]", TOYFLAG_BIN|TOYFLAG_LOCALE)) +USE_LS(NEWTOY(ls, USE_LS_COLOR("(color):;")USE_LS_SMACK("Z")"goACFHLRSacdfiklmnpqrstux1[-Cxm1][-Cxml][-Cxmo][-Cxmg][-cu][-ftS][-HL]", TOYFLAG_BIN|TOYFLAG_LOCALE)) config LS bool "ls" @@ -142,9 +142,8 @@ static int numlen(long long ll) return snprintf(0, 0, "%llu", ll); } -// measure/print smack attributes -// lr = 0 just measure, 1 left justified, 2 right justified -static unsigned zmack(struct dirtree *dt, int pad, int lr) +// measure/print smack attributes. (If pad=0, just measure.) +static unsigned zmack(struct dirtree *dt, int pad) { char buf[SMACK_LABEL_LEN+1]; int fd = openat(dirtree_parentfd(dt), dt->name, O_PATH|O_NOFOLLOW); @@ -152,13 +151,13 @@ static unsigned zmack(struct dirtree *dt, int pad, int lr) strcpy(buf, "?"); if (fd != -1) { - len = fgetxattr(fd, XATTR_NAME_SMACK, lr?buf:0, lr?SMACK_LABEL_LEN:0); + len = fgetxattr(fd, XATTR_NAME_SMACK, pad?buf:0, pad?SMACK_LABEL_LEN:0); close(fd); if (len<1 || len>SMACK_LABEL_LEN) len = 0; else buf[len] = 0; } - if (lr) printf(" %*s "+(lr==2), pad*((2*(lr==1))-1), buf); + if (pad) printf(" %*s "+(pad>0), pad, buf); return len; } @@ -189,7 +188,7 @@ static void entrylen(struct dirtree *dt, unsigned *len) len[6] = (flags & FLAG_s) ? numlen(st->st_blocks) : 0; - if (CFG_LS_SMACK && (flags & FLAG_Z)) len[7] = zmack(dt, 0, 0); + if (CFG_LS_SMACK && (flags & FLAG_Z)) len[7] = zmack(dt, 0); } static int compare(void *a, void *b) @@ -293,8 +292,8 @@ int color_from_mode(mode_t mode) static void listfiles(int dirfd, struct dirtree *indir) { - struct dirtree *dt, **sort = 0; - unsigned long dtlen = 0, ul = 0; + struct dirtree *dt, **sort; + unsigned long dtlen, ul = 0; unsigned width, flags = toys.optflags, totals[8], len[8], totpad = 0, *colsizes = (unsigned *)(toybuf+260), columns = (sizeof(toybuf)-260)/4; @@ -316,17 +315,12 @@ static void listfiles(int dirfd, struct dirtree *indir) } // Copy linked list to array and sort it. Directories go in array because - // we visit them in sorted order. - - for (;;) { - for (dt = indir->child; dt; dt = dt->next) { + // we visit them in sorted order too. (The nested loops let us measure and + // fill with the same inner loop.) + for (sort = 0;;sort = xmalloc(dtlen * sizeof(void *))) { + for (dtlen = 0, dt = indir->child; dt; dt = dt->next, dtlen++) if (sort) sort[dtlen] = dt; - dtlen++; - } if (sort) break; - sort = xmalloc(dtlen * sizeof(void *)); - dtlen = 0; - continue; } // Label directory if not top of tree, or if -R @@ -339,6 +333,7 @@ static void listfiles(int dirfd, struct dirtree *indir) free(path); } + // Measure each entry to work out whitespace padding and total blocks if (!(flags & FLAG_f)) { unsigned long long blocks = 0; @@ -347,9 +342,9 @@ static void listfiles(int dirfd, struct dirtree *indir) entrylen(sort[ul], len); for (width = 0; width<8; width++) if (len[width]>totals[width]) totals[width] = len[width]; - totpad = totals[1]+!!totals[1]+totals[6]+!!totals[6]+totals[7]+!!totals[7]; blocks += sort[ul]->st.st_blocks; } + totpad = totals[1]+!!totals[1]+totals[6]+!!totals[6]+totals[7]+!!totals[7]; if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g|FLAG_s) && indir->parent) xprintf("total %llu\n", blocks); } @@ -442,16 +437,16 @@ static void listfiles(int dirfd, struct dirtree *indir) printf("%s% *ld %s%s%s%s", perm, totals[2]+1, (long)st->st_nlink, usr, upad, grp, grpad); - if (CFG_LS_SMACK && (flags & FLAG_Z)) zmack(sort[next], totals[7], 1); + if (CFG_LS_SMACK && (flags & FLAG_Z)) zmack(sort[next], -(int)totals[7]); if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode)) printf("% *d,% 4d", totals[5]-4, major(st->st_rdev),minor(st->st_rdev)); - else printf("% *"PRId64, totals[5]+1, (int64_t)st->st_size); + else printf("% *lld", totals[5]+1, (long long)st->st_size); tm = localtime(&(st->st_mtime)); strftime(thyme, sizeof(thyme), "%F %H:%M", tm); xprintf(" %s ", thyme); - } else if (CFG_LS_SMACK && (flags & FLAG_Z)) zmack(sort[next], totals[7],2); + } else if (CFG_LS_SMACK && (flags & FLAG_Z)) zmack(sort[next], totals[7]); if (flags & FLAG_color) { color = color_from_mode(st->st_mode); |