diff options
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/memmem.c | 5 | ||||
| -rw-r--r-- | compat/mingw.c | 134 | ||||
| -rw-r--r-- | compat/mingw.h | 3 |
3 files changed, 139 insertions, 3 deletions
diff --git a/compat/memmem.c b/compat/memmem.c index cd0d877364..56bcb4277f 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 27bcf3fd6b..171fa85e4a 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, ...) { @@ -1005,3 +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 6e24686442..7e52f3607f 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 |