From f887d2f38b205237cbd03ce921aff7a79986e2ff Mon Sep 17 00:00:00 2001 From: Nathan Reiner Date: Sat, 11 Feb 2023 14:55:28 +0100 Subject: add mknod --- core/new.c | 30 ++++++++++++++++++++++++++---- 1 file changed, 26 insertions(+), 4 deletions(-) (limited to 'core/new.c') diff --git a/core/new.c b/core/new.c index 5c0e7b8..9fab46b 100644 --- a/core/new.c +++ b/core/new.c @@ -2,25 +2,46 @@ #include "../lib/sys/mkdir.h" #include "../lib/sys/creat.h" #include "../lib/cstr/cstr.h" +#include "../lib/sys/mknod.h" +#include "../lib/sys/errno.h" +#include "../lib/sys/stat.h" enum { FILE, DIRECTORY, + BLOCK_OR_CHARACTER, NUMBER_OF_MODES, }; -void new_file(char *path); -void new_directory(char *path); - int(*new_funcs[NUMBER_OF_MODES])(const char *, unsigned int) = { &creat, &mkdir }; +int new_block_or_character(int argc, char **argv) +{ + if (argc != 4) { + wff(STDERR_FD, "new -n "); + return -1; + } + + u32 major = cstr_to_u64(argv[2]); + u32 minor = cstr_to_u64(argv[3]); + u32 type = argv[1][0] == 'c' ? S_IFCHR : S_IFBLK; + int err; + + if ((err = mknod(argv[0], MODE_USER_READ | MODE_USER_WRITE | type, device(major, minor))) < 0) { + wff(STDERR_FD, "%s\n", errstr[-err]); + return -1; + } + + return 0; +} + int main(int argc, char **argv) { if (argc < 3) { - wff(STDERR_FD, "new [-f | -d] ..."); + wff(STDERR_FD, "new [[-f | -d] ... | -n ]\n"); return -1; } @@ -34,6 +55,7 @@ int main(int argc, char **argv) switch(argv[1][1]) { case 'f': type = FILE; break; case 'd': type = DIRECTORY; break; + case 'n': return new_block_or_character(argc - 2, argv + 2); default: wff(STDERR_FD, "error: unknown entry type.\n"); return -1; } -- cgit v1.2.3-70-g09d2