start os.h merging

1 files changed, 0 insertions, 111 deletions

diff --git a/filesystem-posix.c b/filesystem-posix.c
deleted file mode 100644
index 5506278..0000000
--- a/filesystem-posix.c
+++ /dev/null
@@ -1,111 +0,0 @@
-#include "filesystem.h"
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <errno.h>
-#include <fcntl.h>
-
-static FsType statbuf_path_type(const struct stat *statbuf) {
-	if (S_ISREG(statbuf->st_mode))
-		return FS_FILE;
-	if (S_ISDIR(statbuf->st_mode))
-		return FS_DIRECTORY;
-	return FS_OTHER;	
-}
-
-FsType fs_path_type(char const *path) {
-	struct stat statbuf = {0};
-	if (stat(path, &statbuf) != 0)
-		return FS_NON_EXISTENT;
-	return statbuf_path_type(&statbuf);
-}
-
-FsPermission fs_path_permission(char const *path) {
-	FsPermission perm = 0;
-	if (access(path, R_OK) == 0) perm |= FS_PERMISSION_READ;
-	if (access(path, W_OK) == 0) perm |= FS_PERMISSION_WRITE;
-	return perm;
-}
-
-bool fs_file_exists(char const *path) {
-	return fs_path_type(path) == FS_FILE;
-}
-
-FsDirectoryEntry **fs_list_directory(char const *dirname) {
-	FsDirectoryEntry **entries = NULL;
-	DIR *dir = opendir(dirname);
-	if (dir) {
-		struct dirent *ent;
-		size_t nentries = 0;
-		int fd = dirfd(dir);
-		if (fd != -1) {
-			while (readdir(dir)) ++nentries;
-			rewinddir(dir);
-			entries = (FsDirectoryEntry **)calloc(nentries+1, sizeof *entries);
-			if (entries) {
-				size_t idx = 0;
-				while ((ent = readdir(dir))) {
-					char const *filename = ent->d_name;
-					size_t len = strlen(filename);
-					FsDirectoryEntry *entry = (FsDirectoryEntry *)calloc(1, sizeof *entry + len + 1);
-					if (!entry) break;
-					memcpy(entry->name, filename, len);
-					switch (ent->d_type) {
-					case DT_REG:
-						entry->type = FS_FILE;
-						break;
-					case DT_DIR:
-						entry->type = FS_DIRECTORY;
-						break;
-					case DT_LNK: // we need to dereference the link
-					case DT_UNKNOWN: { // information not available directly from dirent, we need to get it ourselves
-						struct stat statbuf = {0};
-						fstatat(fd, filename, &statbuf, 0);
-						entry->type = statbuf_path_type(&statbuf);
-					} break;
-					default:
-						entry->type = FS_OTHER;
-					}
-					if (idx < nentries) // this could actually fail if someone creates files between calculating nentries and here. 
-						entries[idx++] = entry;
-				}
-			}
-		}
-		closedir(dir);
-	}
-	return entries;
-}
-
-int fs_mkdir(char const *path) {
-	if (mkdir(path, 0755) == 0) {
-		// directory created successfully 
-		return 1;
-	} else if (errno == EEXIST) {
-		struct stat statbuf = {0};
-		if (stat(path, &statbuf) == 0) {
-			if (S_ISDIR(statbuf.st_mode)) {
-				// already exists, and it's a directory 
-				return 0;
-			} else {
-				// already exists, but not a directory 
-				return -1;
-			}
-		} else {
-			return -1;
-		}
-	} else {
-		return -1;
-	}
-}
-
-int fs_get_cwd(char *buf, size_t buflen) {
-	assert(buf && buflen);
-	if (getcwd(buf, buflen)) {
-		return 1;
-	} else if (errno == ERANGE) {
-		return 0;
-	} else {
-		return -1;
-	}
-}