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authorRob Landley <rob@landley.net>2012-08-25 14:25:22 -0500
committerRob Landley <rob@landley.net>2012-08-25 14:25:22 -0500
commit3a9241add947cb6d24b5de7a8927517426a78795 (patch)
treed122ab6570439cd6b17c7d73ed8d4e085e0b8a95 /toys/od.c
parent689f095bc976417bf50810fe59a3b3ac32b21105 (diff)
downloadtoybox-3a9241add947cb6d24b5de7a8927517426a78795.tar.gz
Move commands into "posix", "lsb", and "other" menus/directories.
Diffstat (limited to 'toys/od.c')
-rw-r--r--toys/od.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/toys/od.c b/toys/od.c
deleted file mode 100644
index dfde4440..00000000
--- a/toys/od.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/* vi: set sw=4 ts=4:
- *
- * od.c - Provide octal/hex dumps of data
- *
- * Copyright 2012 Andre Renaud <andre@bluewatersys.com>
- * Copyright 2012 Rob Landley <rob@landley.net>
- *
- * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/od.html
-
-USE_OD(NEWTOY(od, "j#vN#xsodcbA:t*", TOYFLAG_USR|TOYFLAG_BIN))
-
-config OD
- bool "od"
- default y
- help
- usage: od [-bdosxv] [-j #] [-N #] [-A doxn] [-t arg]
-
- -A Address base (decimal, octal, hexdecimal, none)
- -t output type(s) a (ascii) c (char) d (decimal) foux
-*/
-
-#include "toys.h"
-
-#define FLAG_t (1 << 0)
-#define FLAG_A (1 << 1)
-#define FLAG_b (1 << 2)
-#define FLAG_c (1 << 3)
-#define FLAG_d (1 << 4)
-#define FLAG_o (1 << 5)
-#define FLAG_s (1 << 6)
-#define FLAG_x (1 << 7)
-#define FLAG_N (1 << 8)
-#define FLAG_v (1 << 9)
-
-DEFINE_GLOBALS(
- struct arg_list *output_base;
- char *address_base;
- long max_count;
- long jump_bytes;
-
- unsigned types, leftover, star, address_idx;
- char *buf;
- uint64_t bufs[4]; // force 64-bit alignment
- off_t pos;
-)
-
-#define TT this.od
-
-static char *ascii = "nulsohstxetxeotenqackbel bs ht nl vt ff cr so si"
- "dledc1dc2dc3dc4naksynetbcan emsubesc fs gs rs us sp";
-
-struct odtype {
- int type;
- int size;
-};
-
-static void od_outline(void)
-{
- unsigned flags = toys.optflags;
- char *abases[] = {"", "%07d", "%07o", "%06x"};
- struct odtype *types = (struct odtype *)toybuf, *t;
- int i, len;
-
- if (TT.leftover<16) memset(TT.buf+TT.leftover, 0, 16-TT.leftover);
-
- // Handle duplciate lines as *
- if (!(flags&FLAG_v) && TT.jump_bytes != TT.pos && TT.leftover
- && !memcmp(TT.bufs, TT.bufs + 2, 16))
- {
- if (!TT.star) {
- xputs("*");
- TT.star++;
- }
-
- // Print line position
- } else {
- TT.star = 0;
-
- xprintf(abases[TT.address_idx], TT.pos);
- if (!TT.leftover) {
- if (TT.address_idx) xputc('\n');
- return;
- }
- }
-
- TT.pos += len = TT.leftover;
- TT.leftover = 0;
- if (TT.star) return;
-
- // For each output type, print one line
-
- for (i=0; i<TT.types; i++) {
- int j = 0, pad = i ? 8 : 0;
- char buf[128];
-
- t = types+i;
- while (j<len) {
- unsigned k;
- int throw = 0;
-
- // Handle ascii
- if (t->type < 2) {
- char c = TT.buf[j++];
- pad += 4;
-
- if (!t->type) {
- c &= 127;
- if (c<=32) sprintf(buf, "%.3s", ascii+(3*c));
- else if (c==127) strcpy(buf, "del");
- else sprintf(buf, "%c", c);
- } else {
- char *bfnrtav = "\b\f\n\r\t\a\v", *s = strchr(bfnrtav, c);
- if (s) sprintf(buf, "\\%c", "bfnrtav0"[s-bfnrtav]);
- else if (c < 32 || c >= 127) sprintf(buf, "%03o", c);
- else {
- // TODO: this should be UTF8 aware.
- sprintf(buf, "%c", c);
- }
- }
- } else if (CFG_TOYBOX_FLOAT && t->type == 6) {
- long double ld;
- union {float f; double d; long double ld;} fdl;
-
- memcpy(&fdl, TT.buf+j, t->size);
- j += t->size;
- if (sizeof(float) == t->size) {
- ld = fdl.f;
- pad += (throw = 8)+7;
- } else if (sizeof(double) == t->size) {
- ld = fdl.d;
- pad += (throw = 17)+8;
- } else if (sizeof(long double) == t->size) {
- ld = fdl.ld;
- pad += (throw = 21)+9;
- } else error_exit("bad -tf '%d'", t->size);
-
- sprintf(buf, "%.*Le", throw, ld);
- // Integer types
- } else {
- unsigned long long ll = 0, or;
- char *c[] = {"%*lld", "%*llu", "%0*llo", "%0*llx"},
- *class = c[t->type-2];
-
- // Work out width of field
- if (t->size == 8) {
- or = -1LL;
- if (t->type == 2) or >>= 1;
- } else or = (1LL<<(8*t->size))-1;
- throw = sprintf(buf, class, 0, or);
-
- // Accumulate integer based on size argument
- for (k=0; k < t->size; k++) {
- or = TT.buf[j++];
- ll |= or << (8*(IS_BIG_ENDIAN ? t->size-k-1 : k));
- }
-
- // Handle negative values
- if (t->type == 2) {
- or = sizeof(or) - t->size;
- throw++;
- if (or && (ll & (1l<<((8*t->size)-1))))
- ll |= ((or<<(8*or))-1) << (8*t->size);
- }
-
- sprintf(buf, class, throw, ll);
- pad += throw+1;
- }
- xprintf("%*s", pad, buf);
- pad = 0;
- }
- xputc('\n');
- }
-
- // buffer toggle for "same as last time" check.
- TT.buf = (char *)((TT.buf == (char *)TT.bufs) ? TT.bufs+2 : TT.bufs);
-}
-
-static void do_od(int fd, char *name)
-{
- // Skip input, possibly more than one entire file.
- if (TT.jump_bytes < TT.pos) {
- off_t off = lskip(fd, TT.jump_bytes);
- if (off > 0) TT.pos += off;
- if (TT.jump_bytes < TT.pos) return;
- }
-
- for(;;) {
- char *buf = TT.buf + TT.leftover;
- int len = 16 - TT.leftover;
-
- if (toys.optflags & FLAG_N) {
- if (!TT.max_count) break;
- if (TT.max_count < len) len = TT.max_count;
- }
-
- len = readall(fd, buf, len);
- if (len < 0) {
- perror_msg("%s", name);
- break;
- }
- if (TT.max_count) TT.max_count -= len;
- TT.leftover += len;
- if (TT.leftover < 16) break;
-
- od_outline();
- }
-}
-
-static void append_base(char *base)
-{
- char *s = base;
- struct odtype *types = (struct odtype *)toybuf;
- int type;
-
- for (;;) {
- int size = 1;
-
- if (!*s) return;
- if (TT.types >= sizeof(toybuf)/sizeof(struct odtype)) break;
- if (-1 == (type = stridx("acduox"USE_TOYBOX_FLOAT("f"), *(s++)))) break;
-
- if (isdigit(*s)) {
- size = strtol(s, &s, 10);
- if (type < 2 && size != 1) break;
- if (CFG_TOYBOX_FLOAT && type == 6 && size == sizeof(long double));
- else if (size < 0 || size > 8) break;
- } else if (CFG_TOYBOX_FLOAT && type == 6) {
- int sizes[] = {sizeof(float), sizeof(double), sizeof(long double)};
- if (-1 == (size = stridx("FDL", *s))) size = sizeof(double);
- else {
- s++;
- size = sizes[size];
- }
- } else if (type > 1) {
- if (-1 == (size = stridx("CSIL", *s))) size = 4;
- else {
- s++;
- size = 1 << size;
- }
- }
-
- types[TT.types].type = type;
- types[TT.types].size = size;
- TT.types++;
- }
-
- error_exit("bad -t %s", base);
-}
-
-void od_main(void)
-{
- struct arg_list *arg;
-
- TT.buf = (char *)TT.bufs;
-
- if (!TT.address_base) TT.address_idx = 2;
- else if (0>(TT.address_idx = stridx("ndox", *TT.address_base)))
- error_exit("bad -A '%c'", *TT.address_base);
-
- // Collect -t entries
-
- for (arg = TT.output_base; arg; arg = arg->next) append_base(arg->arg);
- if (toys.optflags & FLAG_b) append_base("o1");
- if (toys.optflags & FLAG_d) append_base("u2");
- if (toys.optflags & FLAG_o) append_base("o2");
- if (toys.optflags & FLAG_s) append_base("d2");
- if (toys.optflags & FLAG_x) append_base("x2");
- if (!TT.output_base) append_base("o2");
-
- loopfiles(toys.optargs, do_od);
-
- if (TT.leftover) od_outline();
- od_outline();
-}