diff options
Diffstat (limited to 'compat/mingw.c')
| -rw-r--r-- | compat/mingw.c | 116 |
1 files changed, 59 insertions, 57 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index 0d73f15fa8..ab65f77ab9 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -3,9 +3,7 @@ #include <conio.h> #include "../strbuf.h" -#include <shellapi.h> - -static int err_win_to_posix(DWORD winerr) +int err_win_to_posix(DWORD winerr) { int error = ENOSYS; switch(winerr) { @@ -142,12 +140,20 @@ int mingw_open (const char *filename, int oflags, ...) return fd; } -static inline time_t filetime_to_time_t(const FILETIME *ft) +/* + * The unit of FILETIME is 100-nanoseconds since January 1, 1601, UTC. + * Returns the 100-nanoseconds ("hekto nanoseconds") since the epoch. + */ +static inline long long filetime_to_hnsec(const FILETIME *ft) { long long winTime = ((long long)ft->dwHighDateTime << 32) + ft->dwLowDateTime; - winTime -= 116444736000000000LL; /* Windows to Unix Epoch conversion */ - winTime /= 10000000; /* Nano to seconds resolution */ - return (time_t)winTime; + /* Windows to Unix Epoch conversion */ + return winTime - 116444736000000000LL; +} + +static inline time_t filetime_to_time_t(const FILETIME *ft) +{ + return (time_t)(filetime_to_hnsec(ft) / 10000000); } /* We keep the do_lstat code in a separate function to avoid recursion. @@ -283,64 +289,37 @@ int mkstemp(char *template) int gettimeofday(struct timeval *tv, void *tz) { - SYSTEMTIME st; - struct tm tm; - GetSystemTime(&st); - tm.tm_year = st.wYear-1900; - tm.tm_mon = st.wMonth-1; - tm.tm_mday = st.wDay; - tm.tm_hour = st.wHour; - tm.tm_min = st.wMinute; - tm.tm_sec = st.wSecond; - tv->tv_sec = tm_to_time_t(&tm); - if (tv->tv_sec < 0) - return -1; - tv->tv_usec = st.wMilliseconds*1000; + FILETIME ft; + long long hnsec; + + GetSystemTimeAsFileTime(&ft); + hnsec = filetime_to_hnsec(&ft); + tv->tv_sec = hnsec / 10000000; + tv->tv_usec = (hnsec % 10000000) / 10; return 0; } int pipe(int filedes[2]) { - int fd; - HANDLE h[2], parent; + HANDLE h[2]; - if (_pipe(filedes, 8192, 0) < 0) - return -1; - - parent = GetCurrentProcess(); - - if (!DuplicateHandle (parent, (HANDLE)_get_osfhandle(filedes[0]), - parent, &h[0], 0, FALSE, DUPLICATE_SAME_ACCESS)) { - close(filedes[0]); - close(filedes[1]); - return -1; - } - if (!DuplicateHandle (parent, (HANDLE)_get_osfhandle(filedes[1]), - parent, &h[1], 0, FALSE, DUPLICATE_SAME_ACCESS)) { - close(filedes[0]); - close(filedes[1]); - CloseHandle(h[0]); + /* this creates non-inheritable handles */ + if (!CreatePipe(&h[0], &h[1], NULL, 8192)) { + errno = err_win_to_posix(GetLastError()); return -1; } - fd = _open_osfhandle((int)h[0], O_NOINHERIT); - if (fd < 0) { - close(filedes[0]); - close(filedes[1]); + filedes[0] = _open_osfhandle((int)h[0], O_NOINHERIT); + if (filedes[0] < 0) { CloseHandle(h[0]); CloseHandle(h[1]); return -1; } - close(filedes[0]); - filedes[0] = fd; - fd = _open_osfhandle((int)h[1], O_NOINHERIT); - if (fd < 0) { + filedes[1] = _open_osfhandle((int)h[1], O_NOINHERIT); + if (filedes[0] < 0) { close(filedes[0]); - close(filedes[1]); CloseHandle(h[1]); return -1; } - close(filedes[1]); - filedes[1] = fd; return 0; } @@ -638,8 +617,8 @@ static int env_compare(const void *a, const void *b) return strcasecmp(*ea, *eb); } -static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, - int prepend_cmd) +static pid_t mingw_spawnve_fd(const char *cmd, const char **argv, char **env, + int prepend_cmd, int fhin, int fhout, int fherr) { STARTUPINFO si; PROCESS_INFORMATION pi; @@ -675,9 +654,9 @@ static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, memset(&si, 0, sizeof(si)); si.cb = sizeof(si); si.dwFlags = STARTF_USESTDHANDLES; - si.hStdInput = (HANDLE) _get_osfhandle(0); - si.hStdOutput = (HANDLE) _get_osfhandle(1); - si.hStdError = (HANDLE) _get_osfhandle(2); + si.hStdInput = (HANDLE) _get_osfhandle(fhin); + si.hStdOutput = (HANDLE) _get_osfhandle(fhout); + si.hStdError = (HANDLE) _get_osfhandle(fherr); /* concatenate argv, quoting args as we go */ strbuf_init(&args, 0); @@ -732,7 +711,14 @@ static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, return (pid_t)pi.hProcess; } -pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env) +static pid_t mingw_spawnve(const char *cmd, const char **argv, char **env, + int prepend_cmd) +{ + return mingw_spawnve_fd(cmd, argv, env, prepend_cmd, 0, 1, 2); +} + +pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env, + int fhin, int fhout, int fherr) { pid_t pid; char **path = get_path_split(); @@ -754,13 +740,15 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **env) pid = -1; } else { - pid = mingw_spawnve(iprog, argv, env, 1); + pid = mingw_spawnve_fd(iprog, argv, env, 1, + fhin, fhout, fherr); free(iprog); } argv[0] = argv0; } else - pid = mingw_spawnve(prog, argv, env, 0); + pid = mingw_spawnve_fd(prog, argv, env, 0, + fhin, fhout, fherr); free(prog); } free_path_split(path); @@ -1338,8 +1326,22 @@ static const char *make_backslash_path(const char *path) void mingw_open_html(const char *unixpath) { const char *htmlpath = make_backslash_path(unixpath); + typedef HINSTANCE (WINAPI *T)(HWND, const char *, + const char *, const char *, const char *, INT); + T ShellExecute; + HMODULE shell32; + + shell32 = LoadLibrary("shell32.dll"); + if (!shell32) + die("cannot load shell32.dll"); + ShellExecute = (T)GetProcAddress(shell32, "ShellExecuteA"); + if (!ShellExecute) + die("cannot run browser"); + printf("Launching default browser to display HTML ...\n"); ShellExecute(NULL, "open", htmlpath, NULL, "\\", 0); + + FreeLibrary(shell32); } int link(const char *oldpath, const char *newpath) |