remove unready parts

Author: dreamer-coding

code/logic/stream.c

@@ -22,7 +22,6 @@
 #include <windows.h>
 #include <io.h>
 #else
-#include <sys/stat.h>
 #include <sys/types.h>
 #include <fcntl.h>
 #include <unistd.h>
@@ -310,166 +309,6 @@ int32_t fossil_fstream_rename(const char *old_filename, const char *new_filename
     return FOSSIL_ERROR_OK;
 }
 
-// Read file with buffering
-int fossil_fstream_read_buffered(const char *filename, void *buffer, size_t size) {
-    if (filename == NULL || buffer == NULL || size == 0) {
-        fprintf(stderr, "Error: Invalid input\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    HANDLE hFile = CreateFile(filename, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (hFile == INVALID_HANDLE_VALUE) {
-        fprintf(stderr, "Error opening file: %lu\n", GetLastError());
-        return -1;
-    }
-
-    DWORD bytesRead;
-    BOOL result = ReadFile(hFile, buffer, (DWORD)size, &bytesRead, NULL);
-    CloseHandle(hFile);
-
-    if (!result || bytesRead != size) {
-        return -1;
-    }
-
-#else
-    FILE *file = fopen(filename, "rb");
-    if (file == NULL) {
-        perror("Error opening file");
-        return -1;
-    }
-
-    size_t bytesRead = fread(buffer, 1, size, file);
-    fclose(file);
-
-    if (bytesRead != size) {
-        return -1;
-    }
-#endif
-
-    return 0;
-}
-
-// Write file with buffering
-int fossil_fstream_write_buffered(const char *filename, const void *data, size_t size) {
-    if (filename == NULL || data == NULL || size == 0) {
-        fprintf(stderr, "Error: Invalid input\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    HANDLE hFile = CreateFile(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-    if (hFile == INVALID_HANDLE_VALUE) {
-        fprintf(stderr, "Error opening file: %lu\n", GetLastError());
-        return -1;
-    }
-
-    DWORD bytesWritten;
-    BOOL result = WriteFile(hFile, data, (DWORD)size, &bytesWritten, NULL);
-    CloseHandle(hFile);
-
-    if (!result || bytesWritten != size) {
-        return -1;
-    }
-
-#else
-    FILE *file = fopen(filename, "wb");
-    if (file == NULL) {
-        perror("Error opening file");
-        return -1;
-    }
-
-    size_t bytesWritten = fwrite(data, 1, size, file);
-    fclose(file);
-
-    if (bytesWritten != size) {
-        return -1;
-    }
-#endif
-
-    return 0;
-}
-
-// Lock file (POSIX: fcntl, Windows: LockFile)
-int fossil_fstream_lock(const char *filename) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    HANDLE hFile = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
-    if (hFile == INVALID_HANDLE_VALUE) {
-        return -1;
-    }
-
-    if (!LockFile(hFile, 0, 0, MAXDWORD, MAXDWORD)) {
-        CloseHandle(hFile);
-        return -1;
-    }
-
-    CloseHandle(hFile);
-#else
-    int fd = open(filename, O_RDWR);
-    if (fd == -1) {
-        return -1;
-    }
-
-    struct flock fl = {0};
-    fl.l_type = F_WRLCK;
-    fl.l_whence = SEEK_SET;
-
-    if (fcntl(fd, F_SETLK, &fl) == -1) {
-        close(fd);
-        return -1;
-    }
-
-    close(fd);
-#endif
-
-    return 0;
-}
-
-// Unlock file (POSIX: fcntl, Windows: UnlockFile)
-int fossil_fstream_unlock(const char *filename) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    HANDLE hFile = CreateFile(filename, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
-    if (hFile == INVALID_HANDLE_VALUE) {
-        return -1;
-    }
-
-    if (!UnlockFile(hFile, 0, 0, MAXDWORD, MAXDWORD)) {
-        CloseHandle(hFile);
-        return -1;
-    }
-
-    CloseHandle(hFile);
-#else
-    int fd = open(filename, O_RDWR);
-    if (fd == -1) {
-        return -1;
-    }
-
-    struct flock fl = {0};
-    fl.l_type = F_UNLCK;
-    fl.l_whence = SEEK_SET;
-
-    if (fcntl(fd, F_SETLK, &fl) == -1) {
-        close(fd);
-        return -1;
-    }
-
-    close(fd);
-#endif
-
-    return 0;
-}
-
 // Detect file type (Regular file, Directory, Symbolic link)
 int fossil_fstream_get_type(const char *filename) {
     if (filename == NULL) {
@@ -509,213 +348,3 @@ int fossil_fstream_get_type(const char *filename) {
 int32_t fossil_fstream_is_open(const fossil_fstream_t *stream) {
     return stream != NULL && stream->file != NULL;
 }
-
-int32_t fossil_fstream_read_all(fossil_fstream_t *stream, void **buffer, size_t *size) {
-    if (stream == NULL || buffer == NULL || size == NULL || stream->file == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return FOSSIL_ERROR_NULL_POINTER;
-    }
-
-    int32_t file_size = fossil_fstream_get_size(stream);
-    if (file_size < 0) {
-        fprintf(stderr, "Error: Failed to get file size\n");
-        return FOSSIL_ERROR_IO;
-    }
-
-    *buffer = malloc(file_size);
-    if (*buffer == NULL) {
-        fprintf(stderr, "Error: Out of memory\n");
-        return FOSSIL_ERROR_OUT_OF_MEMORY;
-    }
-
-    size_t bytes_read = fread(*buffer, 1, file_size, stream->file);
-    if ((size_t)bytes_read != (size_t)file_size) {
-        fprintf(stderr, "Error: File not found\n");
-        free(*buffer);
-        return FOSSIL_ERROR_FILE_NOT_FOUND;
-    }
-
-    *size = file_size;
-    return FOSSIL_ERROR_OK;
-}
-
-int32_t fossil_fstream_write_all(fossil_fstream_t *stream, const void *buffer, size_t size) {
-    if (stream == NULL || buffer == NULL || stream->file == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return FOSSIL_ERROR_NULL_POINTER;
-    }
-
-    size_t bytes_written = fwrite(buffer, 1, size, stream->file);
-    if (bytes_written != size) {
-        fprintf(stderr, "Error: File not found\n");
-        return FOSSIL_ERROR_FILE_NOT_FOUND;
-    }
-
-    return FOSSIL_ERROR_OK;
-}
-
-// Check file permission (cross-platform)
-int32_t fossil_fstream_check_permission(const char *filename, const char *mode) {
-    if (filename == NULL || mode == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return 0;
-    }
-
-    int perm_flag = 0;
-    if (strcmp(mode, "r") == 0) perm_flag = R_OK;
-    else if (strcmp(mode, "w") == 0) perm_flag = W_OK;
-    else if (strcmp(mode, "x") == 0) perm_flag = F_OK; // Windows doesn't support execution permissions directly.
-
-#ifdef _WIN32
-    return (_access(filename, perm_flag) == 0) ? 1 : 0;
-#else
-    return (access(filename, perm_flag) == 0) ? 1 : 0;
-#endif
-}
-
-// Set file permissions (cross-platform)
-int fossil_fstream_set_permissions(const char *filename, int permissions) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    DWORD attr = GetFileAttributesA(filename);
-    if (attr == INVALID_FILE_ATTRIBUTES) {
-        return -1;  // Failed to get attributes
-    }
-
-    // Windows only supports read-only attribute
-    if (permissions & FOSSIL_FILE_WRITE) {
-        attr &= ~FILE_ATTRIBUTE_READONLY;  // Allow writing
-    } else {
-        attr |= FILE_ATTRIBUTE_READONLY;   // Set read-only
-    }
-
-    // Apply changes
-    return (SetFileAttributesA(filename, attr) != 0) ? 0 : -1;
-#else
-    // POSIX: Use chmod to set permissions
-    mode_t mode = 0;
-
-    // Owner permissions
-    if (permissions & FOSSIL_FILE_READ)  mode |= S_IRUSR;
-    if (permissions & FOSSIL_FILE_WRITE) mode |= S_IWUSR;
-    if (permissions & FOSSIL_FILE_EXEC)  mode |= S_IXUSR;
-
-    // Group permissions (optional, can be added based on requirements)
-    if (permissions & FOSSIL_FILE_READ)  mode |= S_IRGRP;
-    if (permissions & FOSSIL_FILE_WRITE) mode |= S_IWGRP;
-    if (permissions & FOSSIL_FILE_EXEC)  mode |= S_IXGRP;
-
-    // Others permissions (optional, can be added based on requirements)
-    if (permissions & FOSSIL_FILE_READ)  mode |= S_IROTH;
-    if (permissions & FOSSIL_FILE_WRITE) mode |= S_IWOTH;
-    if (permissions & FOSSIL_FILE_EXEC)  mode |= S_IXOTH;
-
-    // Add sticky bit for directories (POSIX only)
-    if (permissions & 0x100) {  // Assuming 0x100 flag represents sticky bit
-        mode |= S_ISVTX;
-    }
-
-    return (chmod(filename, mode) == 0) ? 0 : -1;
-#endif
-}
-
-// Get file permissions (cross-platform)
-int fossil_fstream_get_permissions(const char *filename) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    DWORD attr = GetFileAttributesA(filename);
-    if (attr == INVALID_FILE_ATTRIBUTES) {
-        return -1;  // Failed to get attributes
-    }
-
-    // Map Windows attributes to our portable permission flags
-    int permissions = 0;
-    if (attr & FILE_ATTRIBUTE_READONLY) {
-        permissions |= FOSSIL_FILE_READ;
-    } else {
-        permissions |= FOSSIL_FILE_WRITE;
-    }
-    return permissions;
-#else
-    struct stat file_stat;
-    if (stat(filename, &file_stat) != 0) {
-        return -1;  // Failed to get permissions
-    }
-
-    // Map POSIX permissions to our portable permission flags
-    int permissions = 0;
-    if (file_stat.st_mode & S_IRUSR) permissions |= FOSSIL_FILE_READ;
-    if (file_stat.st_mode & S_IWUSR) permissions |= FOSSIL_FILE_WRITE;
-    if (file_stat.st_mode & S_IXUSR) permissions |= FOSSIL_FILE_EXEC;
-
-    // Check for sticky bit in POSIX systems
-    if (file_stat.st_mode & S_ISVTX) {
-        permissions |= 0x100;  // Sticky bit flag
-    }
-
-    return permissions;
-#endif
-}
-
-int32_t fossil_fstream_restrict(const char *filename) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return -1;
-    }
-
-#ifdef _WIN32
-    // On Windows, restrict to owner-only permissions (Read/Write).
-    // Windows doesn't natively support sticky bits, so we focus on file attributes.
-    return fossil_fstream_set_permissions(filename, FOSSIL_FILE_READ | FOSSIL_FILE_WRITE);
-#else
-    // POSIX: Restrict to owner-only permissions, allowing read and write only to the owner
-    mode_t mode = S_IRUSR | S_IWUSR;
-
-    // Ensure sticky bit is supported on POSIX systems if needed.
-    // Sticky bit is a special permission which can be used on directories to restrict file deletions
-    // to the file's owner. It's typically used with directories like /tmp.
-    // On non-directory files, it doesn't have any effect, but it's important for portability.
-    mode |= S_ISVTX;  // Apply sticky bit if desired.
-
-    // Apply the restricted permissions
-    return (chmod(filename, mode) == 0) ? 0 : -1;
-#endif
-}
-
-int32_t fossil_fstream_check_ownership(const char *filename) {
-    if (filename == NULL) {
-        fprintf(stderr, "Error: Null pointer\n");
-        return 0;
-    }
-
-#ifdef _WIN32
-    // Windows lacks direct user ownership checking in most environments.
-    fprintf(stderr, "Error: Ownership check not implemented on Windows.\n");
-    return 0;
-#else
-    struct stat file_stat;
-    if (stat(filename, &file_stat) == 0) {
-        return (file_stat.st_uid == getuid()) ? 1 : 0;
-    }
-    return 0;
-#endif
-}
-
-int32_t fossil_fstream_compare_permissions(const char *file1, const char *file2) {
-    int perm1 = fossil_fstream_get_permissions(file1);
-    int perm2 = fossil_fstream_get_permissions(file2);
-
-    if (perm1 == -1 || perm2 == -1) {
-        return -1;  // Error reading permissions
-    }
-
-    return (perm1 == perm2) ? 1 : 0;  // Returns 1 if permissions are equal, 0 otherwise
-}