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KimisOS
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Tokenizing path strings

This commit is contained in:
notsomeidiot123 2026-06-26 21:13:37 -04:00
parent f20ee8046c
commit 047a057e9b
2 changed files with 41 additions and 7 deletions
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2
c_build_helper.sh
View File

@ -1,4 +1,4 @@
CFLAGS="-g -c -m32 -fno-pie -mno-sse -O3 -D __bits__=32 -Wno-int-to-pointer-cast -Wno-pointer-to-int-cast -Wno-incompatible-pointer-types -Wno-address-of-packed-member -Wno-discarded-qualifiers -fno-stack-protector -mno-red-zone -mno-sse -mno-sse2 -ffreestanding -nostdlib -mno-mmx"
CFLAGS="-g -c -m32 -fno-pie -mno-sse -O3 -D __bits__=32 -Wno-int-to-pointer-cast -Wno-pointer-to-int-cast -Wno-incompatible-pointer-types -fno-stack-protector -mno-red-zone -mno-sse -mno-sse2 -ffreestanding -nostdlib -mno-mmx"
LDFLAGS_i386="-Ttext 0xc0000000 --oformat binary -melf_i386"
cd src/kernel/

46
src/kernel/system/ramfs.c
View File

@ -5,7 +5,6 @@
#include "../shared/string.h"
#define MODULE_NAME "KVFS"
fileops_t ramfs_ops =
{
ramfs_create,
@ -22,20 +21,55 @@ vfile_t root_dir = {"/", FS_FILE_IS_DIR | FS_FILE_SYSTEM, &ramfs_ops};
void ramfs_init(){
mlog(MODULE_NAME, "Initializing VFS\n", MLOG_PRINT);
root_dir.private = kmalloc(1);
root_dir.size = 4096;//one page is 4096 bytes
root_dir.size = PAGE_SIZE_BYTES;//one page is 4096 bytes
// printf("Sizeof VFILE_T: %d", sizeof(vfile_t));
}
vfile_t *search_dir(char *subname, vfile_t *directory){
}
//resolves the path relative to start
vfile_t *resolve_path(char *pathname, vfile_t *start){
// vfile_t **buffer = (vfile_t *)start->private;
// for(int i = 0; i < start->size/4, i++){
const uint32_t MAX_TOKENS = PAGE_SIZE_BYTES/4;
// }
if(!start){
return 0;
}
char *path = kmalloc(1);
strcpy(pathname, path);
char **path_tokens = kmalloc(1);
uint32_t pathname_entries = 0;
char *pathtok = path;
char *i = path;
while (*i != '\0') {
if (*i == '/') {
*i = '\0';
if (pathname_entries < MAX_TOKENS) {
path_tokens[pathname_entries++] = pathtok;
}
pathtok = i + 1;
}
i++;
}
if (pathname_entries < MAX_TOKENS) {
path_tokens[pathname_entries++] = pathtok;
}
vfile_t **buffer = (vfile_t **)start->private;
printf("START\n");
vfile_t *entry = start;
for(int i = 0; i < pathname_entries - 1; i++){
printf("%s", path_tokens[i]);
}
printf("END\n");
}
vfile_t *ramfs_create(char *path, FS_FILE_FLAGS flags){
vfile_t *ramfs_create(char *path, FS_FILE_FLAGS flags){
resolve_path("test/test1/test2", &root_dir);
return 0;
}