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More documentation updates, and minor fixes to make things sync

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up with the docs.
 -Erik
This commit is contained in:
Erik Andersen
2000-04-15 16:34:54 +00:00
parent 95c1c1e05f
commit 5e1189e187
27 changed files with 968 additions and 238 deletions
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53
coreutils/mknod.c
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@ -28,23 +28,47 @@
#include <fcntl.h>
#include <unistd.h>
static const char mknod_usage[] = "mknod NAME TYPE MAJOR MINOR\n\n"
"Make block or character special files.\n\n"
static const char mknod_usage[] = "mknod [OPTIONS] NAME TYPE MAJOR MINOR\n\n"
"Create a special file (block, character, or pipe).\n\n"
"Options:\n"
"\t-m\tcreate the special file using the specified mode (default a=rw)\n\n"
"TYPEs include:\n"
"\tb:\tMake a block (buffered) device.\n"
"\tc or u:\tMake a character (un-buffered) device.\n"
"\tp:\tMake a named pipe. Major and minor are ignored for named pipes.\n";
"\tp:\tMake a named pipe. MAJOR and MINOR are ignored for named pipes.\n";
int mknod_main(int argc, char **argv)
{
char *thisarg;
mode_t mode = 0;
mode_t perm = 0666;
dev_t dev = 0;
if (argc != 5 || **(argv + 1) == '-') {
argc--;
argv++;
/* Parse any options */
while (argc > 1) {
if (**argv != '-')
break;
thisarg = *argv;
thisarg++;
switch (*thisarg) {
case 'm':
argc--;
argv++;
parse_mode(*argv, &perm);
break;
default:
usage(mknod_usage);
}
argc--;
argv++;
}
if (argc != 4 && argc != 2) {
usage(mknod_usage);
}
switch (argv[2][0]) {
switch (argv[1][0]) {
case 'c':
case 'u':
mode = S_IFCHR;
@ -54,23 +78,22 @@ int mknod_main(int argc, char **argv)
break;
case 'p':
mode = S_IFIFO;
if (argc!=2) {
usage(mknod_usage);
}
break;
default:
usage(mknod_usage);
}
if (mode == S_IFCHR || mode == S_IFBLK) {
dev = (atoi(argv[3]) << 8) | atoi(argv[4]);
if (argc != 5) {
usage(mknod_usage);
}
dev = (atoi(argv[2]) << 8) | atoi(argv[1]);
}
mode |= 0666;
mode |= perm;
if (mknod(argv[1], mode, dev) != 0) {
perror(argv[1]);
exit (FALSE);
}
if (mknod(argv[0], mode, dev) != 0)
fatalError("%s: %s\n", argv[0], strerror(errno));
exit (TRUE);
}