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Diffstat (limited to 'compat')
-rw-r--r--compat/mingw.c56
-rw-r--r--compat/mingw.h36
2 files changed, 77 insertions, 15 deletions
diff --git a/compat/mingw.c b/compat/mingw.c
index f2d9e1fd97..6590f33cc8 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -127,7 +127,7 @@ int mingw_open (const char *filename, int oflags, ...)
mode = va_arg(args, int);
va_end(args);
- if (!strcmp(filename, "/dev/null"))
+ if (filename && !strcmp(filename, "/dev/null"))
filename = "nul";
fd = open(filename, oflags, mode);
@@ -160,7 +160,7 @@ ssize_t mingw_write(int fd, const void *buf, size_t count)
#undef fopen
FILE *mingw_fopen (const char *filename, const char *otype)
{
- if (!strcmp(filename, "/dev/null"))
+ if (filename && !strcmp(filename, "/dev/null"))
filename = "nul";
return fopen(filename, otype);
}
@@ -192,8 +192,11 @@ static inline time_t filetime_to_time_t(const FILETIME *ft)
/* We keep the do_lstat code in a separate function to avoid recursion.
* When a path ends with a slash, the stat will fail with ENOENT. In
* this case, we strip the trailing slashes and stat again.
+ *
+ * If follow is true then act like stat() and report on the link
+ * target. Otherwise report on the link itself.
*/
-static int do_lstat(const char *file_name, struct stat *buf)
+static int do_lstat(int follow, const char *file_name, struct stat *buf)
{
WIN32_FILE_ATTRIBUTE_DATA fdata;
@@ -209,6 +212,25 @@ static int do_lstat(const char *file_name, struct stat *buf)
buf->st_atime = filetime_to_time_t(&(fdata.ftLastAccessTime));
buf->st_mtime = filetime_to_time_t(&(fdata.ftLastWriteTime));
buf->st_ctime = filetime_to_time_t(&(fdata.ftCreationTime));
+ if (fdata.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) {
+ WIN32_FIND_DATAA findbuf;
+ HANDLE handle = FindFirstFileA(file_name, &findbuf);
+ if (handle != INVALID_HANDLE_VALUE) {
+ if ((findbuf.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT) &&
+ (findbuf.dwReserved0 == IO_REPARSE_TAG_SYMLINK)) {
+ if (follow) {
+ char buffer[MAXIMUM_REPARSE_DATA_BUFFER_SIZE];
+ buf->st_size = readlink(file_name, buffer, MAXIMUM_REPARSE_DATA_BUFFER_SIZE);
+ } else {
+ buf->st_mode = S_IFLNK;
+ }
+ buf->st_mode |= S_IREAD;
+ if (!(findbuf.dwFileAttributes & FILE_ATTRIBUTE_READONLY))
+ buf->st_mode |= S_IWRITE;
+ }
+ FindClose(handle);
+ }
+ }
return 0;
}
return -1;
@@ -220,12 +242,12 @@ static int do_lstat(const char *file_name, struct stat *buf)
* complete. Note that Git stat()s are redirected to mingw_lstat()
* too, since Windows doesn't really handle symlinks that well.
*/
-int mingw_lstat(const char *file_name, struct stat *buf)
+static int do_stat_internal(int follow, const char *file_name, struct stat *buf)
{
int namelen;
static char alt_name[PATH_MAX];
- if (!do_lstat(file_name, buf))
+ if (!do_lstat(follow, file_name, buf))
return 0;
/* if file_name ended in a '/', Windows returned ENOENT;
@@ -244,7 +266,16 @@ int mingw_lstat(const char *file_name, struct stat *buf)
memcpy(alt_name, file_name, namelen);
alt_name[namelen] = 0;
- return do_lstat(alt_name, buf);
+ return do_lstat(follow, alt_name, buf);
+}
+
+int mingw_lstat(const char *file_name, struct stat *buf)
+{
+ return do_stat_internal(0, file_name, buf);
+}
+int mingw_stat(const char *file_name, struct stat *buf)
+{
+ return do_stat_internal(1, file_name, buf);
}
#undef fstat
@@ -873,6 +904,11 @@ void mingw_execvp(const char *cmd, char *const *argv)
free_path_split(path);
}
+void mingw_execv(const char *cmd, char *const *argv)
+{
+ mingw_execve(cmd, argv, environ);
+}
+
static char **copy_environ(void)
{
char **env;
@@ -1386,6 +1422,7 @@ void mingw_open_html(const char *unixpath)
const char *, const char *, const char *, INT);
T ShellExecute;
HMODULE shell32;
+ int r;
shell32 = LoadLibrary("shell32.dll");
if (!shell32)
@@ -1395,9 +1432,12 @@ void mingw_open_html(const char *unixpath)
die("cannot run browser");
printf("Launching default browser to display HTML ...\n");
- ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0);
-
+ r = (int)ShellExecute(NULL, "open", htmlpath, NULL, "\\", SW_SHOWNORMAL);
FreeLibrary(shell32);
+ /* see the MSDN documentation referring to the result codes here */
+ if (r <= 32) {
+ die("failed to launch browser for %.*s", MAX_PATH, unixpath);
+ }
}
int link(const char *oldpath, const char *newpath)
diff --git a/compat/mingw.h b/compat/mingw.h
index 3b2477be5f..83e35e833b 100644
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -6,17 +6,30 @@
*/
typedef int pid_t;
+typedef int uid_t;
#define hstrerror strerror
#define S_IFLNK 0120000 /* Symbolic link */
#define S_ISLNK(x) (((x) & S_IFMT) == S_IFLNK)
#define S_ISSOCK(x) 0
+
+#ifndef _STAT_H_
+#define S_IRUSR 0
+#define S_IWUSR 0
+#define S_IXUSR 0
+#define S_IRWXU (S_IRUSR | S_IWUSR | S_IXUSR)
+#endif
#define S_IRGRP 0
#define S_IWGRP 0
#define S_IXGRP 0
-#define S_ISGID 0
+#define S_IRWXG (S_IRGRP | S_IWGRP | S_IXGRP)
#define S_IROTH 0
+#define S_IWOTH 0
#define S_IXOTH 0
+#define S_IRWXO (S_IROTH | S_IWOTH | S_IXOTH)
+#define S_ISUID 0
+#define S_ISGID 0
+#define S_ISVTX 0
#define WIFEXITED(x) 1
#define WIFSIGNALED(x) 0
@@ -66,6 +79,12 @@ struct itimerval {
#define ITIMER_REAL 0
/*
+ * sanitize preprocessor namespace polluted by Windows headers defining
+ * macros which collide with git local versions
+ */
+#undef HELP_COMMAND /* from winuser.h */
+
+/*
* trivial stubs
*/
@@ -75,17 +94,17 @@ static inline int symlink(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)
+static inline pid_t fork(void)
{ errno = ENOSYS; return -1; }
static inline unsigned int alarm(unsigned int seconds)
{ return 0; }
static inline int fsync(int fd)
{ return _commit(fd); }
-static inline int getppid(void)
+static inline pid_t getppid(void)
{ return 1; }
static inline void sync(void)
{}
-static inline int getuid()
+static inline uid_t getuid(void)
{ return 1; }
static inline struct passwd *getpwnam(const char *name)
{ return NULL; }
@@ -117,7 +136,7 @@ static inline int mingw_unlink(const char *pathname)
}
#define unlink mingw_unlink
-static inline int waitpid(pid_t pid, int *status, unsigned options)
+static inline pid_t waitpid(pid_t pid, int *status, unsigned options)
{
if (options == 0)
return _cwait(status, pid, 0);
@@ -158,7 +177,7 @@ int poll(struct pollfd *ufds, unsigned int nfds, int timeout);
struct tm *gmtime_r(const time_t *timep, struct tm *result);
struct tm *localtime_r(const time_t *timep, struct tm *result);
int getpagesize(void); /* defined in MinGW's libgcc.a */
-struct passwd *getpwuid(int uid);
+struct passwd *getpwuid(uid_t 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);
@@ -222,10 +241,11 @@ int mingw_getpagesize(void);
#ifndef ALREADY_DECLARED_STAT_FUNCS
#define stat _stati64
int mingw_lstat(const char *file_name, struct stat *buf);
+int mingw_stat(const char *file_name, struct stat *buf);
int mingw_fstat(int fd, struct stat *buf);
#define fstat mingw_fstat
#define lstat mingw_lstat
-#define _stati64(x,y) mingw_lstat(x,y)
+#define _stati64(x,y) mingw_stat(x,y)
#endif
int mingw_utime(const char *file_name, const struct utimbuf *times);
@@ -236,6 +256,8 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env,
int fhin, int fhout, int fherr);
void mingw_execvp(const char *cmd, char *const *argv);
#define execvp mingw_execvp
+void mingw_execv(const char *cmd, char *const *argv);
+#define execv mingw_execv
static inline unsigned int git_ntohl(unsigned int x)
{ return (unsigned int)ntohl(x); }