//////////////////////////////////////////////////////////////////////////\/
//
// FUNCTION:
// VisBackInvisiblePixels
//
// DECLARATION:
// static void VisBackInvisiblePixels(CVisRGBAByteImage &img, int v);
//
// PARAMETERS:
// img -
// Image to which backing color should be added
//
// v -
// Gray-level value of backing pixel.
//
//
// DESCRIPTION:
//
// Sets out to in OVER (v,v,v,255).
// Also, sets any (v,v,v,255) value to (v+e,v+e,v+e,255), e = +/- 1
//
//
//////////////////////////////////////////////////////////////////////////\/
void VisBackInvisiblePixels(CVisRGBAByteImage &img, int v)
{
int rows = img.Height(), cols = img.Width()*img.NBands();
int ic, e = (v < 128) ? 1 : -1;
*(CVisRGBABytePixel *) &ic = CVisRGBABytePixel(v, v, v, 255);
int i0 = ic;
*(CVisRGBABytePixel *) &ic = CVisRGBABytePixel(v+e, v+e, v+e, 255);
int i1 = ic;
CVisRGBABytePixel a_mask(0, 0, 0, 255);
int ia_mask = *(int *) &a_mask;
for (int r = 0; r < rows; r++) {
CVisRGBABytePixel *p = img.PtrToFirstPixelInRow(r + img.Top());
int *ip = (int *) p;
for (int c = 0; c < cols; c++) {
#ifdef FASTER
// Test 8 pixels at a time (speedup)
if ((c & 7) == 0 && (c+7) < cols) {
int *f = &ip[c];
int f255 = f[0] & f[1] & f[2] & f[3] &
f[4] & f[5] & f[6] & f[7];
if ((f255 & ia_mask) == ia_mask) {
c += 7;
continue; // all 8 pixels are opaque
}
int f000 = f[0] | f[1] | f[2] | f[3] |
f[4] | f[5] | f[6] | f[7];
if ((f000 & ia_mask) == 0) {
// all 8 pixels are transparent
f[0] = f[1] = f[2] = f[3] =
f[4] = f[5] = f[6] = f[7] = i0;
c += 7;
continue;
}
}
#endif
if (ip[c] == 0)
ip[c] = i0;
else if (ip[c] == i0)
ip[c] = i1;
else if (p[c].A() != 255) {
int w = ((255 - p[c].A())*v + 127)/255;
p[c].SetR(p[c].R() + w);
p[c].SetG(p[c].G() + w);
p[c].SetB(p[c].B() + w);
p[c].SetA(255);
}
}
}
}
void
mount_tmpfs_parseargs(int argc, char *argv[],
struct tmpfs_args *args, int *mntflags,
char *canon_dev, char *canon_dir)
{
int gidset, modeset, uidset; /* Ought to be 'bool'. */
int ch;
gid_t gid;
uid_t uid;
mode_t mode;
int64_t tmpnumber;
mntoptparse_t mp;
struct stat sb;
/* Set default values for mount point arguments. */
memset(args, 0, sizeof(*args));
args->ta_version = TMPFS_ARGS_VERSION;
args->ta_size_max = 0;
args->ta_nodes_max = 0;
*mntflags = 0;
gidset = 0; gid = 0;
uidset = 0; uid = 0;
modeset = 0; mode = 0;
optind = optreset = 1;
while ((ch = getopt(argc, argv, "g:m:n:o:s:u:")) != -1 ) {
switch (ch) {
case 'g':
gid = a_gid(optarg);
gidset = 1;
break;
case 'm':
mode = a_mask(optarg);
modeset = 1;
break;
case 'n':
if (dehumanize_number(optarg, &tmpnumber) == -1)
err(EXIT_FAILURE, "failed to parse nodes `%s'",
optarg);
args->ta_nodes_max = tmpnumber;
break;
case 'o':
mp = getmntopts(optarg, mopts, mntflags, 0);
if (mp == NULL)
err(EXIT_FAILURE, "getmntopts");
freemntopts(mp);
break;
case 's':
if (dehumanize_number(optarg, &tmpnumber) == -1)
err(EXIT_FAILURE, "failed to parse size `%s'",
optarg);
args->ta_size_max = tmpnumber;
break;
case 'u':
uid = a_uid(optarg);
uidset = 1;
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 2)
usage();
strlcpy(canon_dev, argv[0], MAXPATHLEN);
pathadj(argv[1], canon_dir);
if (stat(canon_dir, &sb) == -1)
err(EXIT_FAILURE, "cannot stat `%s'", canon_dir);
args->ta_root_uid = uidset ? uid : sb.st_uid;
args->ta_root_gid = gidset ? gid : sb.st_gid;
args->ta_root_mode = modeset ? mode : sb.st_mode;
}
void
mount_ntfs_parseargs(int argc, char **argv,
struct ntfs_args *args, int *mntflags,
char *canon_dev, char *canon_dir)
{
struct stat sb;
int c, set_gid, set_uid, set_mask;
char *dev, *dir;
mntoptparse_t mp;
*mntflags = set_gid = set_uid = set_mask = 0;
(void)memset(args, '\0', sizeof(*args));
while ((c = getopt(argc, argv, "aiu:g:m:o:")) != -1) {
switch (c) {
case 'u':
args->uid = a_uid(optarg);
set_uid = 1;
break;
case 'g':
args->gid = a_gid(optarg);
set_gid = 1;
break;
case 'm':
args->mode = a_mask(optarg);
set_mask = 1;
break;
case 'i':
args->flag |= NTFS_MFLAG_CASEINS;
break;
case 'a':
args->flag |= NTFS_MFLAG_ALLNAMES;
break;
case 'o':
mp = getmntopts(optarg, mopts, mntflags, 0);
if (mp == NULL)
err(1, "getmntopts");
freemntopts(mp);
break;
case '?':
default:
usage();
break;
}
}
if (optind + 2 != argc)
usage();
dev = argv[optind];
dir = argv[optind + 1];
pathadj(dev, canon_dev);
pathadj(dir, canon_dir);
args->fspec = dev;
if (!set_gid || !set_uid || !set_mask) {
if (stat(dir, &sb) == -1)
err(EX_OSERR, "stat %s", dir);
if (!set_uid)
args->uid = sb.st_uid;
if (!set_gid)
args->gid = sb.st_gid;
if (!set_mask)
args->mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
}
int
main(int argc, char **argv)
{
struct iovec *iov = NULL;
int iovlen = 0;
struct stat sb;
int c, set_gid, set_uid, set_mask, set_dirmask;
char *dev, *dir, mntpath[MAXPATHLEN], *csp;
char fstype[] = "msdosfs";
char errmsg[255] = {0};
char *cs_dos = NULL;
char *cs_local = NULL;
mode_t mask = 0, dirmask = 0;
uid_t uid = 0;
gid_t gid = 0;
set_gid = set_uid = set_mask = set_dirmask = 0;
while ((c = getopt(argc, argv, "sl9u:g:m:M:o:L:D:W:")) != -1) {
switch (c) {
case 's':
build_iovec(&iov, &iovlen, "shortnames", NULL, (size_t)-1);
break;
case 'l':
build_iovec(&iov, &iovlen, "longnames", NULL, (size_t)-1);
break;
case '9':
build_iovec_argf(&iov, &iovlen, "nowin95", "", (size_t)-1);
break;
case 'u':
uid = a_uid(optarg);
set_uid = 1;
break;
case 'g':
gid = a_gid(optarg);
set_gid = 1;
break;
case 'm':
mask = a_mask(optarg);
set_mask = 1;
break;
case 'M':
dirmask = a_mask(optarg);
set_dirmask = 1;
break;
case 'L': {
const char *quirk = NULL;
if (setlocale(LC_CTYPE, optarg) == NULL)
err(EX_CONFIG, "%s", optarg);
csp = strchr(optarg,'.');
if (!csp)
err(EX_CONFIG, "%s", optarg);
quirk = kiconv_quirkcs(csp + 1, KICONV_VENDOR_MICSFT);
build_iovec_argf(&iov, &iovlen, "cs_local", quirk);
cs_local = strdup(quirk);
}
break;
case 'D':
cs_dos = strdup(optarg);
build_iovec_argf(&iov, &iovlen, "cs_dos", cs_dos, (size_t)-1);
break;
case 'o': {
char *p = NULL;
char *val = strdup("");
p = strchr(optarg, '=');
if (p != NULL) {
free(val);
*p = '\0';
val = p + 1;
}
build_iovec(&iov, &iovlen, optarg, val, (size_t)-1);
}
break;
case 'W':
if (strcmp(optarg, "iso22dos") == 0) {
cs_local = strdup("ISO8859-2");
cs_dos = strdup("CP852");
} else if (strcmp(optarg, "iso72dos") == 0) {
cs_local = strdup("ISO8859-7");
cs_dos = strdup("CP737");
} else if (strcmp(optarg, "koi2dos") == 0) {
cs_local = strdup("KOI8-R");
cs_dos = strdup("CP866");
} else if (strcmp(optarg, "koi8u2dos") == 0) {
cs_local = strdup("KOI8-U");
cs_dos = strdup("CP866");
} else {
err(EX_NOINPUT, "%s", optarg);
}
build_iovec(&iov, &iovlen, "cs_local", cs_local, (size_t)-1);
build_iovec(&iov, &iovlen, "cs_dos", cs_dos, (size_t)-1);
break;
case '?':
default:
usage();
break;
}
}
if (optind + 2 != argc)
usage();
if (set_mask && !set_dirmask) {
dirmask = mask;
set_dirmask = 1;
}
else if (set_dirmask && !set_mask) {
mask = dirmask;
set_mask = 1;
}
dev = argv[optind];
dir = argv[optind + 1];
if (cs_local != NULL) {
if (set_charset(&iov, &iovlen, cs_local, cs_dos) == -1)
err(EX_OSERR, "msdosfs_iconv");
build_iovec_argf(&iov, &iovlen, "kiconv", "");
} else if (cs_dos != NULL) {
build_iovec_argf(&iov, &iovlen, "cs_local", "ISO8859-1");
if (set_charset(&iov, &iovlen, "ISO8859-1", cs_dos) == -1)
err(EX_OSERR, "msdosfs_iconv");
build_iovec_argf(&iov, &iovlen, "kiconv", "");
}
/*
* Resolve the mountpoint with realpath(3) and remove unnecessary
* slashes from the devicename if there are any.
*/
if (checkpath(dir, mntpath) != 0)
err(EX_USAGE, "%s", mntpath);
(void)rmslashes(dev, dev);
if (!set_gid || !set_uid || !set_mask) {
if (stat(mntpath, &sb) == -1)
err(EX_OSERR, "stat %s", mntpath);
if (!set_uid)
uid = sb.st_uid;
if (!set_gid)
gid = sb.st_gid;
if (!set_mask)
mask = dirmask =
sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
build_iovec(&iov, &iovlen, "fspath", mntpath, (size_t)-1);
build_iovec(&iov, &iovlen, "from", dev, (size_t)-1);
build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
build_iovec_argf(&iov, &iovlen, "uid", "%d", uid);
build_iovec_argf(&iov, &iovlen, "gid", "%u", gid);
build_iovec_argf(&iov, &iovlen, "mask", "%u", mask);
build_iovec_argf(&iov, &iovlen, "dirmask", "%u", dirmask);
if (nmount(iov, iovlen, 0) < 0) {
if (errmsg[0])
err(1, "%s: %s", dev, errmsg);
else
err(1, "%s", dev);
}
exit (0);
}
int
mount_msdos_parseargs(int argc, char **argv,
struct msdosfs_args *args, int *mntflags,
char *canon_dev, char *canon_dir)
{
struct stat sb;
int c, set_gid, set_uid, set_mask, set_dirmask, set_gmtoff;
char *dev, *dir;
mntoptparse_t mp;
*mntflags = set_gid = set_uid = set_mask = set_dirmask = set_gmtoff = 0;
(void)memset(args, '\0', sizeof(*args));
while ((c = getopt(argc, argv, "Gsl9u:g:m:M:o:t:")) != -1) {
switch (c) {
case 'G':
args->flags |= MSDOSFSMNT_GEMDOSFS;
break;
case 's':
args->flags |= MSDOSFSMNT_SHORTNAME;
break;
case 'l':
args->flags |= MSDOSFSMNT_LONGNAME;
break;
case '9':
args->flags |= MSDOSFSMNT_NOWIN95;
break;
case 'u':
args->uid = a_uid(optarg);
set_uid = 1;
break;
case 'g':
args->gid = a_gid(optarg);
set_gid = 1;
break;
case 'm':
args->mask = a_mask(optarg);
set_mask = 1;
break;
case 'M':
args->dirmask = a_mask(optarg);
set_dirmask = 1;
break;
case 'o':
mp = getmntopts(optarg, mopts, mntflags, 0);
if (mp == NULL) {
warn("getmntopts");
return 1;
}
freemntopts(mp);
break;
case 't':
args->gmtoff = atoi(optarg);
set_gmtoff = 1;
break;
case '?':
default:
return 1;
}
}
if (optind + 2 != argc) {
return 1;
}
if (set_mask && !set_dirmask) {
args->dirmask = args->mask;
} else if (set_dirmask && !set_mask) {
args->mask = args->dirmask;
set_mask = 1;
}
dev = argv[optind];
dir = argv[optind + 1];
pathadj(dev, canon_dev);
pathadj(dir, canon_dir);
args->fspec = dev;
if (!set_gid || !set_uid || !set_mask) {
if (stat(dir, &sb) == -1) {
warn("stat %s", dir);
return 1;
}
if (!set_uid)
args->uid = sb.st_uid;
if (!set_gid)
args->gid = sb.st_gid;
if (!set_mask) {
args->mask = args->dirmask =
sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
}
}
if (!set_gmtoff) {
#ifdef HAVE_STRUCT_TM_TM_GMTOFF
time_t now;
struct tm *tm;
/* use user's time zone as default */
time(&now);
tm = localtime(&now);
args->gmtoff = tm->tm_gmtoff;
#else
args->gmtoff = 0;
#endif
}
args->flags |= MSDOSFSMNT_VERSIONED;
args->version = MSDOSFSMNT_VERSION;
return 0;
}