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-rw-r--r--compat/memmem.c5
-rw-r--r--compat/mingw.c144
-rw-r--r--compat/mingw.h13
-rw-r--r--compat/win32mmap.c53
-rw-r--r--compat/winansi.c18
5 files changed, 222 insertions, 11 deletions
diff --git a/compat/memmem.c b/compat/memmem.c
index cd0d877..56bcb42 100644
--- a/compat/memmem.c
+++ b/compat/memmem.c
@@ -5,6 +5,8 @@ void *gitmemmem(const void *haystack, size_t haystack_len,
{
const char *begin = haystack;
const char *last_possible = begin + haystack_len - needle_len;
+ const char *tail = needle;
+ char point;
/*
* The first occurrence of the empty string is deemed to occur at
@@ -20,8 +22,9 @@ void *gitmemmem(const void *haystack, size_t haystack_len,
if (haystack_len < needle_len)
return NULL;
+ point = *tail++;
for (; begin <= last_possible; begin++) {
- if (!memcmp(begin, needle, needle_len))
+ if (*begin == point && !memcmp(begin + 1, tail, needle_len - 1))
return (void *)begin;
}
diff --git a/compat/mingw.c b/compat/mingw.c
index 3dbe6a7..2839d9d 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -4,6 +4,119 @@
unsigned int _CRT_fmode = _O_BINARY;
+static int err_win_to_posix(DWORD winerr)
+{
+ int error = ENOSYS;
+ switch(winerr) {
+ case ERROR_ACCESS_DENIED: error = EACCES; break;
+ case ERROR_ACCOUNT_DISABLED: error = EACCES; break;
+ case ERROR_ACCOUNT_RESTRICTION: error = EACCES; break;
+ case ERROR_ALREADY_ASSIGNED: error = EBUSY; break;
+ case ERROR_ALREADY_EXISTS: error = EEXIST; break;
+ case ERROR_ARITHMETIC_OVERFLOW: error = ERANGE; break;
+ case ERROR_BAD_COMMAND: error = EIO; break;
+ case ERROR_BAD_DEVICE: error = ENODEV; break;
+ case ERROR_BAD_DRIVER_LEVEL: error = ENXIO; break;
+ case ERROR_BAD_EXE_FORMAT: error = ENOEXEC; break;
+ case ERROR_BAD_FORMAT: error = ENOEXEC; break;
+ case ERROR_BAD_LENGTH: error = EINVAL; break;
+ case ERROR_BAD_PATHNAME: error = ENOENT; break;
+ case ERROR_BAD_PIPE: error = EPIPE; break;
+ case ERROR_BAD_UNIT: error = ENODEV; break;
+ case ERROR_BAD_USERNAME: error = EINVAL; break;
+ case ERROR_BROKEN_PIPE: error = EPIPE; break;
+ case ERROR_BUFFER_OVERFLOW: error = ENAMETOOLONG; break;
+ case ERROR_BUSY: error = EBUSY; break;
+ case ERROR_BUSY_DRIVE: error = EBUSY; break;
+ case ERROR_CALL_NOT_IMPLEMENTED: error = ENOSYS; break;
+ case ERROR_CANNOT_MAKE: error = EACCES; break;
+ case ERROR_CANTOPEN: error = EIO; break;
+ case ERROR_CANTREAD: error = EIO; break;
+ case ERROR_CANTWRITE: error = EIO; break;
+ case ERROR_CRC: error = EIO; break;
+ case ERROR_CURRENT_DIRECTORY: error = EACCES; break;
+ case ERROR_DEVICE_IN_USE: error = EBUSY; break;
+ case ERROR_DEV_NOT_EXIST: error = ENODEV; break;
+ case ERROR_DIRECTORY: error = EINVAL; break;
+ case ERROR_DIR_NOT_EMPTY: error = ENOTEMPTY; break;
+ case ERROR_DISK_CHANGE: error = EIO; break;
+ case ERROR_DISK_FULL: error = ENOSPC; break;
+ case ERROR_DRIVE_LOCKED: error = EBUSY; break;
+ case ERROR_ENVVAR_NOT_FOUND: error = EINVAL; break;
+ case ERROR_EXE_MARKED_INVALID: error = ENOEXEC; break;
+ case ERROR_FILENAME_EXCED_RANGE: error = ENAMETOOLONG; break;
+ case ERROR_FILE_EXISTS: error = EEXIST; break;
+ case ERROR_FILE_INVALID: error = ENODEV; break;
+ case ERROR_FILE_NOT_FOUND: error = ENOENT; break;
+ case ERROR_GEN_FAILURE: error = EIO; break;
+ case ERROR_HANDLE_DISK_FULL: error = ENOSPC; break;
+ case ERROR_INSUFFICIENT_BUFFER: error = ENOMEM; break;
+ case ERROR_INVALID_ACCESS: error = EACCES; break;
+ case ERROR_INVALID_ADDRESS: error = EFAULT; break;
+ case ERROR_INVALID_BLOCK: error = EFAULT; break;
+ case ERROR_INVALID_DATA: error = EINVAL; break;
+ case ERROR_INVALID_DRIVE: error = ENODEV; break;
+ case ERROR_INVALID_EXE_SIGNATURE: error = ENOEXEC; break;
+ case ERROR_INVALID_FLAGS: error = EINVAL; break;
+ case ERROR_INVALID_FUNCTION: error = ENOSYS; break;
+ case ERROR_INVALID_HANDLE: error = EBADF; break;
+ case ERROR_INVALID_LOGON_HOURS: error = EACCES; break;
+ case ERROR_INVALID_NAME: error = EINVAL; break;
+ case ERROR_INVALID_OWNER: error = EINVAL; break;
+ case ERROR_INVALID_PARAMETER: error = EINVAL; break;
+ case ERROR_INVALID_PASSWORD: error = EPERM; break;
+ case ERROR_INVALID_PRIMARY_GROUP: error = EINVAL; break;
+ case ERROR_INVALID_SIGNAL_NUMBER: error = EINVAL; break;
+ case ERROR_INVALID_TARGET_HANDLE: error = EIO; break;
+ case ERROR_INVALID_WORKSTATION: error = EACCES; break;
+ case ERROR_IO_DEVICE: error = EIO; break;
+ case ERROR_IO_INCOMPLETE: error = EINTR; break;
+ case ERROR_LOCKED: error = EBUSY; break;
+ case ERROR_LOCK_VIOLATION: error = EACCES; break;
+ case ERROR_LOGON_FAILURE: error = EACCES; break;
+ case ERROR_MAPPED_ALIGNMENT: error = EINVAL; break;
+ case ERROR_META_EXPANSION_TOO_LONG: error = E2BIG; break;
+ case ERROR_MORE_DATA: error = EPIPE; break;
+ case ERROR_NEGATIVE_SEEK: error = ESPIPE; break;
+ case ERROR_NOACCESS: error = EFAULT; break;
+ case ERROR_NONE_MAPPED: error = EINVAL; break;
+ case ERROR_NOT_ENOUGH_MEMORY: error = ENOMEM; break;
+ case ERROR_NOT_READY: error = EAGAIN; break;
+ case ERROR_NOT_SAME_DEVICE: error = EXDEV; break;
+ case ERROR_NO_DATA: error = EPIPE; break;
+ case ERROR_NO_MORE_SEARCH_HANDLES: error = EIO; break;
+ case ERROR_NO_PROC_SLOTS: error = EAGAIN; break;
+ case ERROR_NO_SUCH_PRIVILEGE: error = EACCES; break;
+ case ERROR_OPEN_FAILED: error = EIO; break;
+ case ERROR_OPEN_FILES: error = EBUSY; break;
+ case ERROR_OPERATION_ABORTED: error = EINTR; break;
+ case ERROR_OUTOFMEMORY: error = ENOMEM; break;
+ case ERROR_PASSWORD_EXPIRED: error = EACCES; break;
+ case ERROR_PATH_BUSY: error = EBUSY; break;
+ case ERROR_PATH_NOT_FOUND: error = ENOENT; break;
+ case ERROR_PIPE_BUSY: error = EBUSY; break;
+ case ERROR_PIPE_CONNECTED: error = EPIPE; break;
+ case ERROR_PIPE_LISTENING: error = EPIPE; break;
+ case ERROR_PIPE_NOT_CONNECTED: error = EPIPE; break;
+ case ERROR_PRIVILEGE_NOT_HELD: error = EACCES; break;
+ case ERROR_READ_FAULT: error = EIO; break;
+ case ERROR_SEEK: error = EIO; break;
+ case ERROR_SEEK_ON_DEVICE: error = ESPIPE; break;
+ case ERROR_SHARING_BUFFER_EXCEEDED: error = ENFILE; break;
+ case ERROR_SHARING_VIOLATION: error = EACCES; break;
+ case ERROR_STACK_OVERFLOW: error = ENOMEM; break;
+ case ERROR_SWAPERROR: error = ENOENT; break;
+ case ERROR_TOO_MANY_MODULES: error = EMFILE; break;
+ case ERROR_TOO_MANY_OPEN_FILES: error = EMFILE; break;
+ case ERROR_UNRECOGNIZED_MEDIA: error = ENXIO; break;
+ case ERROR_UNRECOGNIZED_VOLUME: error = ENODEV; break;
+ case ERROR_WAIT_NO_CHILDREN: error = ECHILD; break;
+ case ERROR_WRITE_FAULT: error = EIO; break;
+ case ERROR_WRITE_PROTECT: error = EROFS; break;
+ }
+ return error;
+}
+
#undef open
int mingw_open (const char *filename, int oflags, ...)
{
@@ -46,7 +159,8 @@ static int do_lstat(const char *file_name, struct stat *buf)
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
- buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
+ buf->st_size = fdata.nFileSizeLow |
+ (((off_t)fdata.nFileSizeHigh)<<32);
buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
@@ -101,7 +215,7 @@ int mingw_fstat(int fd, struct stat *buf)
}
/* direct non-file handles to MS's fstat() */
if (GetFileType(fh) != FILE_TYPE_DISK)
- return fstat(fd, buf);
+ return _fstati64(fd, buf);
if (GetFileInformationByHandle(fh, &fdata)) {
buf->st_ino = 0;
@@ -109,7 +223,8 @@ int mingw_fstat(int fd, struct stat *buf)
buf->st_uid = 0;
buf->st_nlink = 1;
buf->st_mode = file_attr_to_st_mode(fdata.dwFileAttributes);
- buf->st_size = fdata.nFileSizeLow; /* Can't use nFileSizeHigh, since it's not a stat64 */
+ buf->st_size = fdata.nFileSizeLow |
+ (((off_t)fdata.nFileSizeHigh)<<32);
buf->st_dev = buf->st_rdev = 0; /* not used by Git */
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
@@ -342,7 +457,7 @@ static const char *quote_arg(const char *arg)
const char *p = arg;
if (!*p) force_quotes = 1;
while (*p) {
- if (isspace(*p) || *p == '*' || *p == '?' || *p == '{')
+ if (isspace(*p) || *p == '*' || *p == '?' || *p == '{' || *p == '\'')
force_quotes = 1;
else if (*p == '"')
n++;
@@ -1003,3 +1118,24 @@ void mingw_open_html(const char *unixpath)
printf("Launching default browser to display HTML ...\n");
ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
}
+
+int link(const char *oldpath, const char *newpath)
+{
+ typedef BOOL WINAPI (*T)(const char*, const char*, LPSECURITY_ATTRIBUTES);
+ static T create_hard_link = NULL;
+ if (!create_hard_link) {
+ create_hard_link = (T) GetProcAddress(
+ GetModuleHandle("kernel32.dll"), "CreateHardLinkA");
+ if (!create_hard_link)
+ create_hard_link = (T)-1;
+ }
+ if (create_hard_link == (T)-1) {
+ errno = ENOSYS;
+ return -1;
+ }
+ if (!create_hard_link(newpath, oldpath, NULL)) {
+ errno = err_win_to_posix(GetLastError());
+ return -1;
+ }
+ return 0;
+}
diff --git a/compat/mingw.h b/compat/mingw.h
index a255898..762eb14 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -67,8 +67,6 @@ static inline int readlink(const char *path, char *buf, size_t bufsiz)
{ errno = ENOSYS; return -1; }
static inline int symlink(const char *oldpath, const char *newpath)
{ errno = ENOSYS; return -1; }
-static inline int link(const char *oldpath, const char *newpath)
-{ errno = ENOSYS; return -1; }
static inline int fchmod(int fildes, mode_t mode)
{ errno = ENOSYS; return -1; }
static inline int fork(void)
@@ -134,6 +132,7 @@ int getpagesize(void); /* defined in MinGW's libgcc.a */
struct passwd *getpwuid(int uid);
int setitimer(int type, struct itimerval *in, struct itimerval *out);
int sigaction(int sig, struct sigaction *in, struct sigaction *out);
+int link(const char *oldpath, const char *newpath);
/*
* replacements of existing functions
@@ -160,14 +159,22 @@ int mingw_connect(int sockfd, struct sockaddr *sa, size_t sz);
int mingw_rename(const char*, const char*);
#define rename mingw_rename
+#ifdef USE_WIN32_MMAP
+int mingw_getpagesize(void);
+#define getpagesize mingw_getpagesize
+#endif
+
/* Use mingw_lstat() instead of lstat()/stat() and
* mingw_fstat() instead of fstat() on Windows.
*/
+#define off_t off64_t
+#define stat _stati64
+#define lseek _lseeki64
int mingw_lstat(const char *file_name, struct stat *buf);
int mingw_fstat(int fd, struct stat *buf);
#define fstat mingw_fstat
#define lstat mingw_lstat
-#define stat(x,y) mingw_lstat(x,y)
+#define _stati64(x,y) mingw_lstat(x,y)
int mingw_utime(const char *file_name, const struct utimbuf *times);
#define utime mingw_utime
diff --git a/compat/win32mmap.c b/compat/win32mmap.c
new file mode 100644
index 0000000..779d796
--- /dev/null
+++ b/compat/win32mmap.c
@@ -0,0 +1,53 @@
+#include "../git-compat-util.h"
+
+/*
+ * Note that this doesn't return the actual pagesize, but
+ * the allocation granularity. If future Windows specific git code
+ * needs the real getpagesize function, we need to find another solution.
+ */
+int mingw_getpagesize(void)
+{
+ SYSTEM_INFO si;
+ GetSystemInfo(&si);
+ return si.dwAllocationGranularity;
+}
+
+void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
+{
+ HANDLE hmap;
+ void *temp;
+ size_t len;
+ struct stat st;
+ uint64_t o = offset;
+ uint32_t l = o & 0xFFFFFFFF;
+ uint32_t h = (o >> 32) & 0xFFFFFFFF;
+
+ if (!fstat(fd, &st))
+ len = xsize_t(st.st_size);
+ else
+ die("mmap: could not determine filesize");
+
+ if ((length + offset) > len)
+ length = len - offset;
+
+ if (!(flags & MAP_PRIVATE))
+ die("Invalid usage of mmap when built with USE_WIN32_MMAP");
+
+ hmap = CreateFileMapping((HANDLE)_get_osfhandle(fd), 0, PAGE_WRITECOPY,
+ 0, 0, 0);
+
+ if (!hmap)
+ return MAP_FAILED;
+
+ temp = MapViewOfFileEx(hmap, FILE_MAP_COPY, h, l, length, start);
+
+ if (!CloseHandle(hmap))
+ warning("unable to close file mapping handle\n");
+
+ return temp ? temp : MAP_FAILED;
+}
+
+int git_munmap(void *start, size_t length)
+{
+ return !UnmapViewOfFile(start);
+}
diff --git a/compat/winansi.c b/compat/winansi.c
index e2d96df..44dc293 100644
--- a/compat/winansi.c
+++ b/compat/winansi.c
@@ -18,8 +18,6 @@
This file is git-specific. Therefore, this file does not attempt
to implement any codes that are not used by git.
-
- TODO: K
*/
static HANDLE console;
@@ -79,6 +77,20 @@ static void set_console_attr(void)
SetConsoleTextAttribute(console, attributes);
}
+static void erase_in_line(void)
+{
+ CONSOLE_SCREEN_BUFFER_INFO sbi;
+
+ if (!console)
+ return;
+
+ GetConsoleScreenBufferInfo(console, &sbi);
+ FillConsoleOutputCharacterA(console, ' ',
+ sbi.dwSize.X - sbi.dwCursorPosition.X, sbi.dwCursorPosition,
+ NULL);
+}
+
+
static const char *set_attr(const char *str)
{
const char *func;
@@ -218,7 +230,7 @@ static const char *set_attr(const char *str)
set_console_attr();
break;
case 'K':
- /* TODO */
+ erase_in_line();
break;
default:
/* Unsupported code */
generated by cgit v0.10.2-6-g49f6 at 2024-04-30 13:04:45 (GMT)