diff options
Diffstat (limited to 'erts/etc/common/escript.c')
-rw-r--r-- | erts/etc/common/escript.c | 288 |
1 files changed, 201 insertions, 87 deletions
diff --git a/erts/etc/common/escript.c b/erts/etc/common/escript.c index 9e80ec6656..71c278881c 100644 --- a/erts/etc/common/escript.c +++ b/erts/etc/common/escript.c @@ -1,18 +1,19 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2007-2012. All Rights Reserved. + * Copyright Ericsson AB 2007-2016. All Rights Reserved. * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. * * %CopyrightEnd% */ @@ -45,7 +46,8 @@ static int eargc; /* Number of arguments in eargv. */ # define QUOTE(s) possibly_quote(s) # define IS_DIRSEP(c) ((c) == '/' || (c) == '\\') # define DIRSEPSTR "\\" -# define PATHSEPSTR ";" +# define LDIRSEPSTR L"\\" +# define LPATHSEPSTR L";" # define PMAX MAX_PATH # define ERL_NAME "erl.exe" #else @@ -69,7 +71,7 @@ static int eargc; /* Number of arguments in eargv. */ */ static void error(char* format, ...); -static char* emalloc(size_t size); +static void* emalloc(size_t size); static void efree(void *p); static char* strsave(char* string); static void push_words(char* src); @@ -77,6 +79,7 @@ static int run_erlang(char* name, char** argv); static char* get_default_emulator(char* progname); #ifdef __WIN32__ static char* possibly_quote(char* arg); +static void* erealloc(void *p, size_t size); #endif /* @@ -112,20 +115,31 @@ get_env(char *key) { #ifdef __WIN32__ DWORD size = 32; - char *value = NULL; + char *value=NULL; + wchar_t *wcvalue = NULL; + wchar_t wckey[256]; + int len; + + MultiByteToWideChar(CP_UTF8, 0, key, -1, wckey, 256); + while (1) { DWORD nsz; - if (value) - efree(value); - value = emalloc(size); + if (wcvalue) + efree(wcvalue); + wcvalue = (wchar_t *) emalloc(size*sizeof(wchar_t)); SetLastError(0); - nsz = GetEnvironmentVariable((LPCTSTR) key, (LPTSTR) value, size); + nsz = GetEnvironmentVariableW(wckey, wcvalue, size); if (nsz == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) { - efree(value); + efree(wcvalue); return NULL; } - if (nsz <= size) + if (nsz <= size) { + len = WideCharToMultiByte(CP_UTF8, 0, wcvalue, -1, NULL, 0, NULL, NULL); + value = emalloc(len*sizeof(char)); + WideCharToMultiByte(CP_UTF8, 0, wcvalue, -1, value, len, NULL, NULL); + efree(wcvalue); return value; + } size = nsz; } #else @@ -145,6 +159,88 @@ free_env_val(char *value) * Find absolute path to this program */ +#ifdef __WIN32__ +static char * +find_prog(char *origpath) +{ + wchar_t relpath[PMAX]; + wchar_t abspath[PMAX]; + + if (strlen(origpath) >= PMAX) + error("Path too long"); + + MultiByteToWideChar(CP_UTF8, 0, origpath, -1, relpath, PMAX); + + if (wcsstr(relpath, LDIRSEPSTR) == NULL) { + /* Just a base name */ + int sz; + wchar_t *envpath; + sz = GetEnvironmentVariableW(L"PATH", NULL, 0); + if (sz) { + /* Try to find the executable in the path */ + wchar_t dir[PMAX]; + wchar_t *beg; + wchar_t *end; + + HANDLE dir_handle; /* Handle to directory. */ + wchar_t wildcard[PMAX]; /* Wildcard to search for. */ + WIN32_FIND_DATAW find_data; /* Data found by FindFirstFile() or FindNext(). */ + + BOOL look_for_sep = TRUE; + + envpath = (wchar_t *) emalloc(sz * sizeof(wchar_t*)); + GetEnvironmentVariableW(L"PATH", envpath, sz); + beg = envpath; + + while (look_for_sep) { + end = wcsstr(beg, LPATHSEPSTR); + if (end != NULL) { + sz = end - beg; + } else { + sz = wcslen(beg); + look_for_sep = FALSE; + } + if (sz >= PMAX) { + beg = end + 1; + continue; + } + wcsncpy(dir, beg, sz); + dir[sz] = L'\0'; + beg = end + 1; + + swprintf(wildcard, PMAX, L"%s" LDIRSEPSTR L"%s", + dir, relpath /* basename */); + dir_handle = FindFirstFileW(wildcard, &find_data); + if (dir_handle == INVALID_HANDLE_VALUE) { + /* Try next directory in path */ + continue; + } else { + /* Wow we found the executable. */ + wcscpy(relpath, wildcard); + FindClose(dir_handle); + look_for_sep = FALSE; + break; + } + } + efree(envpath); + } + } + + { + DWORD size; + wchar_t *absrest; + size = GetFullPathNameW(relpath, PMAX, abspath, &absrest); + if ((size == 0) || (size > PMAX)) { + /* Cannot determine absolute path to escript. Try the origin. */ + return strsave(origpath); + } else { + char utf8abs[PMAX]; + WideCharToMultiByte(CP_UTF8, 0, abspath, -1, utf8abs, PMAX, NULL, NULL); + return strsave(utf8abs); + } + } +} +#else static char * find_prog(char *origpath) { @@ -168,14 +264,8 @@ find_prog(char *origpath) char *end; int sz; -#ifdef __WIN32__ - HANDLE dir_handle; /* Handle to directory. */ - char wildcard[PMAX]; /* Wildcard to search for. */ - WIN32_FIND_DATA find_data; /* Data found by FindFirstFile() or FindNext(). */ -#else DIR *dp; /* Pointer to directory structure. */ struct dirent* dirp; /* Pointer to directory entry. */ -#endif /* __WIN32__ */ BOOL look_for_sep = TRUE; @@ -195,21 +285,6 @@ find_prog(char *origpath) dir[sz] = '\0'; beg = end + 1; -#ifdef __WIN32__ - erts_snprintf(wildcard, sizeof(wildcard), "%s" DIRSEPSTR "%s", - dir, relpath /* basename */); - dir_handle = FindFirstFile(wildcard, &find_data); - if (dir_handle == INVALID_HANDLE_VALUE) { - /* Try next directory in path */ - continue; - } else { - /* Wow we found the executable. */ - strcpy(relpath, wildcard); - FindClose(dir_handle); - look_for_sep = FALSE; - break; - } -#else dp = opendir(dir); if (dp != NULL) { while (TRUE) { @@ -230,21 +305,12 @@ find_prog(char *origpath) } } } -#endif /* __WIN32__ */ } } } { -#ifdef __WIN32__ - DWORD size; - char *absrest; - size = GetFullPathName(relpath, PMAX, abspath, &absrest); - if ((size == 0) || (size > PMAX)) { - -#else if (!realpath(relpath, abspath)) { -#endif /* __WIN32__ */ /* Cannot determine absolute path to escript. Try the origin. */ return strsave(origpath); } else { @@ -252,19 +318,28 @@ find_prog(char *origpath) } } } +#endif static void append_shebang_args(char* scriptname) { /* Open script file */ - FILE* fd = fopen (scriptname,"r"); + FILE* fd; +#ifdef __WIN32__ + wchar_t wcscriptname[PMAX]; + + MultiByteToWideChar(CP_UTF8, 0, scriptname, -1, wcscriptname, PMAX); + fd = _wfopen(wcscriptname, L"r"); +#else + fd = fopen (scriptname,"r"); +#endif if (fd != NULL) { /* Read first line in script file */ static char linebuf[LINEBUFSZ]; char* ptr = fgets(linebuf, LINEBUFSZ, fd); - if (ptr != NULL && linebuf[0] == '#' && linebuf[1] == '!') { + if (ptr != NULL) { /* Try to find args on second or third line */ ptr = fgets(linebuf, LINEBUFSZ, fd); if (ptr != NULL && linebuf[0] == '%' && linebuf[1] == '%' && linebuf[2] == '!') { @@ -321,9 +396,15 @@ append_shebang_args(char* scriptname) } } +#ifdef __WIN32__ +int wmain(int argc, wchar_t **wcargv) +{ + char** argv; +#else int main(int argc, char** argv) { +#endif int eargv_size; int eargc_base; /* How many arguments in the base of eargv. */ char* emulator; @@ -333,6 +414,19 @@ main(int argc, char** argv) char scriptname[PMAX]; char** last_opt; char** first_opt; + +#ifdef __WIN32__ + int i; + int len; + /* Convert argv to utf8 */ + argv = emalloc((argc+1) * sizeof(char*)); + for (i=0; i<argc; i++) { + len = WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, NULL, 0, NULL, NULL); + argv[i] = emalloc(len*sizeof(char)); + WideCharToMultiByte(CP_UTF8, 0, wcargv[i], -1, argv[i], len, NULL, NULL); + } + argv[argc] = NULL; +#endif emulator = env = get_env("ESCRIPT_EMULATOR"); if (emulator == NULL) { @@ -412,9 +506,8 @@ main(int argc, char** argv) #endif erts_snprintf(scriptname, sizeof(scriptname), "%s.escript", - absname); + absname); efree(absname); - } /* @@ -483,63 +576,65 @@ push_words(char* src) PUSH(strsave(sbuf)); } #ifdef __WIN32__ -char *make_commandline(char **argv) +wchar_t *make_commandline(char **argv) { - static char *buff = NULL; + static wchar_t *buff = NULL; static int siz = 0; - int num = 0; - char **arg, *p; + int num = 0, len; + char **arg; + wchar_t *p; if (*argv == NULL) { - return ""; + return L""; } for (arg = argv; *arg != NULL; ++arg) { num += strlen(*arg)+1; } if (!siz) { siz = num; - buff = emalloc(siz*sizeof(char)); + buff = (wchar_t *) emalloc(siz*sizeof(wchar_t)); } else if (siz < num) { siz = num; - buff = realloc(buff,siz*sizeof(char)); + buff = (wchar_t *) erealloc(buff,siz*sizeof(wchar_t)); } p = buff; + num=0; for (arg = argv; *arg != NULL; ++arg) { - strcpy(p,*arg); - p+=strlen(*arg); - *p++=' '; + len = MultiByteToWideChar(CP_UTF8, 0, *arg, -1, p, siz); + p+=(len-1); + *p++=L' '; } - *(--p) = '\0'; + *(--p) = L'\0'; if (debug) { - printf("Processed command line:%s\n",buff); + printf("Processed command line:%S\n",buff); } return buff; } int my_spawnvp(char **argv) { - STARTUPINFO siStartInfo; + STARTUPINFOW siStartInfo; PROCESS_INFORMATION piProcInfo; DWORD ec; - memset(&siStartInfo,0,sizeof(STARTUPINFO)); - siStartInfo.cb = sizeof(STARTUPINFO); + memset(&siStartInfo,0,sizeof(STARTUPINFOW)); + siStartInfo.cb = sizeof(STARTUPINFOW); siStartInfo.dwFlags = STARTF_USESTDHANDLES; siStartInfo.hStdInput = GetStdHandle(STD_INPUT_HANDLE); siStartInfo.hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE); siStartInfo.hStdError = GetStdHandle(STD_ERROR_HANDLE); - if (!CreateProcess(NULL, - make_commandline(argv), - NULL, - NULL, - TRUE, - 0, - NULL, - NULL, - &siStartInfo, - &piProcInfo)) { + if (!CreateProcessW(NULL, + make_commandline(argv), + NULL, + NULL, + TRUE, + 0, + NULL, + NULL, + &siStartInfo, + &piProcInfo)) { return -1; } CloseHandle(piProcInfo.hThread); @@ -600,15 +695,26 @@ error(char* format, ...) exit(1); } -static char* +static void* emalloc(size_t size) { - char *p = malloc(size); + void *p = malloc(size); if (p == NULL) error("Insufficient memory"); return p; } +#ifdef __WIN32__ +static void * +erealloc(void *p, size_t size) +{ + void *res = realloc(p, size); + if (res == NULL) + error("Insufficient memory"); + return res; +} +#endif + static void efree(void *p) { @@ -623,6 +729,18 @@ strsave(char* string) return p; } +static int +file_exists(char *progname) +{ +#ifdef __WIN32__ + wchar_t wcsbuf[MAXPATHLEN]; + MultiByteToWideChar(CP_UTF8, 0, progname, -1, wcsbuf, MAXPATHLEN); + return (_waccess(wcsbuf, 0) != -1); +#else + return (access(progname, 1) != -1); +#endif +} + static char* get_default_emulator(char* progname) { @@ -636,15 +754,11 @@ get_default_emulator(char* progname) for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { strcpy(s+1, ERL_NAME); -#ifdef __WIN32__ - if (_access(sbuf, 0) != -1) { + if(file_exists(sbuf)) return strsave(sbuf); - } -#else - if (access(sbuf, 1) != -1) { + strcpy(s+1, "bin" DIRSEPSTR ERL_NAME); + if(file_exists(sbuf)) return strsave(sbuf); - } -#endif break; } } |