Windows: Wrap execve so that shell scripts can be invoked.

diff --git a/compat/mingw.h b/compat/mingw.h
index e5c0c6ba210d6a21dde1d5da9edc41cab4f3c0f1..3ddef11edae0eb0a9bc4216134630231228afc00 100644 (file)
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -106,6 +106,14 @@ static inline int mingw_mkdir(const char *path, int mode)
 }
 #define mkdir mingw_mkdir
 
+static inline int mingw_unlink(const char *pathname)
+{
+       /* read-only files cannot be removed */
+       chmod(pathname, 0666);
+       return unlink(pathname);
+}
+#define unlink mingw_unlink
+
 static inline int waitpid(pid_t pid, unsigned *status, unsigned options)
 {
        if (options == 0)
@@ -132,3 +140,31 @@ 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);
+
+/*
+ * replacements of existing functions
+ */
+
+int mingw_open (const char *filename, int oflags, ...);
+#define open mingw_open
+
+char *mingw_getcwd(char *pointer, int len);
+#define getcwd mingw_getcwd
+
+int mingw_rename(const char*, const char*);
+#define rename mingw_rename
+
+void mingw_execvp(const char *cmd, char *const *argv);
+#define execvp mingw_execvp
+
+sig_handler_t mingw_signal(int sig, sig_handler_t handler);
+#define signal mingw_signal
+
+/*
+ * git specific compatibility
+ */
+
+#define has_dos_drive_prefix(path) (isalpha(*(path)) && (path)[1] == ':')
+#define is_dir_sep(c) ((c) == '/' || (c) == '\\')
+#define PATH_SEP ';'
+#define PRIuMAX "I64u"