diff options
Diffstat (limited to 'erts/emulator/sys/win32')
| -rw-r--r-- | erts/emulator/sys/win32/erl_win_sys.h | 4 | ||||
| -rwxr-xr-x | erts/emulator/sys/win32/sys.c | 10 | ||||
| -rw-r--r-- | erts/emulator/sys/win32/sys_env.c | 570 |
3 files changed, 306 insertions, 278 deletions
diff --git a/erts/emulator/sys/win32/erl_win_sys.h b/erts/emulator/sys/win32/erl_win_sys.h index 21c52ca26d..db4b9999d6 100644 --- a/erts/emulator/sys/win32/erl_win_sys.h +++ b/erts/emulator/sys/win32/erl_win_sys.h @@ -176,8 +176,8 @@ extern clock_t sys_times(SysTimes *buffer); extern char *win_build_environment(char *); typedef struct { - char *environment_strings; - char *next_string; + WCHAR *environment_strings; + WCHAR *next_string; } GETENV_STATE; void erts_sys_env_init(void); diff --git a/erts/emulator/sys/win32/sys.c b/erts/emulator/sys/win32/sys.c index acbbfc2ce9..29e2749800 100755 --- a/erts/emulator/sys/win32/sys.c +++ b/erts/emulator/sys/win32/sys.c @@ -1204,9 +1204,7 @@ spawn_start(ErlDrvPort port_num, char* name, SysDriverOpts* opts) */ DEBUGF(("Spawning \"%s\"\n", name)); - envir = win_build_environment(envir); /* Still an ansi environment, could be - converted to unicode for spawn_executable, but - that is not done (yet) */ + envir = win_build_environment(envir); /* Always a unicode environment */ ok = create_child_process(name, hChildStdin, hChildStdout, @@ -1485,7 +1483,8 @@ create_child_process NULL, NULL, TRUE, - createFlags | staticCreateFlags, + createFlags | staticCreateFlags | + CREATE_UNICODE_ENVIRONMENT, env, wd, &siStartInfo, @@ -1613,7 +1612,8 @@ create_child_process NULL, NULL, TRUE, - createFlags | staticCreateFlags, + createFlags | staticCreateFlags | + CREATE_UNICODE_ENVIRONMENT, env, (WCHAR *) wd, &siStartInfo, diff --git a/erts/emulator/sys/win32/sys_env.c b/erts/emulator/sys/win32/sys_env.c index 064745d418..658a77c824 100644 --- a/erts/emulator/sys/win32/sys_env.c +++ b/erts/emulator/sys/win32/sys_env.c @@ -1,271 +1,299 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 2002-2011. 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/. - * - * 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. - * - * %CopyrightEnd% - */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include "sys.h" -#include "erl_sys_driver.h" -#include "erl_alloc.h" - -static char* merge_environment(char *current, char *add); -static char* arg_to_env(char **arg); -static char** env_to_arg(char *env); -static char** find_arg(char **arg, char *str); -static int compare(const void *a, const void *b); - -static erts_smp_rwmtx_t environ_rwmtx; - -void -erts_sys_env_init(void) -{ - erts_smp_rwmtx_init(&environ_rwmtx, "environ"); -} - -int -erts_sys_putenv(char *key_value, int sep_ix) -{ - int res; - char sep = key_value[sep_ix]; - ASSERT(sep == '='); - key_value[sep_ix] = '\0'; - erts_smp_rwmtx_rwlock(&environ_rwmtx); - res = (SetEnvironmentVariable((LPCTSTR) key_value, - (LPCTSTR) &key_value[sep_ix+1]) ? 0 : 1); - erts_smp_rwmtx_rwunlock(&environ_rwmtx); - key_value[sep_ix] = sep; - return res; -} - -int -erts_sys_getenv__(char *key, char *value, size_t *size) -{ - size_t req_size = 0; - int res = 0; - DWORD new_size; - - SetLastError(0); - new_size = GetEnvironmentVariable((LPCTSTR) key, - (LPTSTR) value, - (DWORD) *size); - res = !new_size && GetLastError() == ERROR_ENVVAR_NOT_FOUND ? -1 : 0; - if (res < 0) - return res; - res = new_size > *size ? 1 : 0; - *size = new_size; - return res; -} - -int -erts_sys_getenv(char *key, char *value, size_t *size) -{ - int res; - erts_smp_rwmtx_rlock(&environ_rwmtx); - res = erts_sys_getenv__(key, value, size); - erts_smp_rwmtx_runlock(&environ_rwmtx); - return res; -} - -struct win32_getenv_state { - char *env; - char *next; -}; - - -void init_getenv_state(GETENV_STATE *state) -{ - erts_smp_rwmtx_rlock(&environ_rwmtx); - state->environment_strings = (char *) GetEnvironmentStrings(); - state->next_string = state->environment_strings; -} - -char *getenv_string(GETENV_STATE *state) -{ - ERTS_SMP_LC_ASSERT(erts_smp_lc_rwmtx_is_rlocked(&environ_rwmtx)); - if (state->next_string[0] == '\0') - return NULL; - else { - char *res = state->next_string; - state->next_string += sys_strlen(res) + 1; - return res; - } -} - -void fini_getenv_state(GETENV_STATE *state) -{ - FreeEnvironmentStrings(state->environment_strings); - state->environment_strings = state->next_string = NULL; - erts_smp_rwmtx_runlock(&environ_rwmtx); -} - -char* -win_build_environment(char* new_env) -{ - if (new_env == NULL) { - return NULL; - } else { - char *tmp, *merged; - - erts_smp_rwmtx_rlock(&environ_rwmtx); - tmp = GetEnvironmentStrings(); - merged = merge_environment(tmp, new_env); - - FreeEnvironmentStrings(tmp); - erts_smp_rwmtx_runlock(&environ_rwmtx); - return merged; - } -} - -static char* -merge_environment(char *old, char *add) -{ - char **a_arg = env_to_arg(add); - char **c_arg = env_to_arg(old); - char *ret; - int i, j; - - for(i = 0; c_arg[i] != NULL; ++i) - ; - - for(j = 0; a_arg[j] != NULL; ++j) - ; - - c_arg = erts_realloc(ERTS_ALC_T_TMP, - c_arg, (i+j+1) * sizeof(char *)); - - for(j = 0; a_arg[j] != NULL; ++j){ - char **tmp; - char *current = a_arg[j]; - char *eq_p = strchr(current,'='); - int unset = (eq_p!=NULL && eq_p[1]=='\0'); - - if ((tmp = find_arg(c_arg, current)) != NULL) { - if (!unset) { - *tmp = current; - } else { - *tmp = c_arg[--i]; - c_arg[i] = NULL; - } - } else if (!unset) { - c_arg[i++] = current; - c_arg[i] = NULL; - } - } - ret = arg_to_env(c_arg); - erts_free(ERTS_ALC_T_TMP, c_arg); - erts_free(ERTS_ALC_T_TMP, a_arg); - return ret; -} - -static char** -find_arg(char **arg, char *str) -{ - char *tmp; - int len; - - if ((tmp = strchr(str, '=')) != NULL) { - tmp++; - len = tmp - str; - while (*arg != NULL){ - if (_strnicmp(*arg, str, len) == 0){ - return arg; - } - ++arg; - } - } - return NULL; -} - -static int -compare(const void *a, const void *b) -{ - char *s1 = *((char **) a); - char *s2 = *((char **) b); - char *e1 = strchr(s1,'='); - char *e2 = strchr(s2,'='); - int ret; - int len; - - if(!e1) - e1 = s1 + strlen(s1); - if(!e2) - e2 = s2 + strlen(s2); - - if((e1 - s1) > (e2 - s2)) - len = (e2 - s2); - else - len = (e1 - s1); - - ret = _strnicmp(s1,s2,len); - if (ret == 0) - return ((e1 - s1) - (e2 - s2)); - else - return ret; -} - -static char** -env_to_arg(char *env) -{ - char **ret; - char *tmp; - int i; - int num_strings = 0; - - for(tmp = env; *tmp != '\0'; tmp += strlen(tmp)+1) { - ++num_strings; - } - ret = erts_alloc(ERTS_ALC_T_TMP, sizeof(char *) * (num_strings + 1)); - i = 0; - for(tmp = env; *tmp != '\0'; tmp += strlen(tmp)+1){ - ret[i++] = tmp; - } - ret[i] = NULL; - return ret; -} - -static char* -arg_to_env(char **arg) -{ - char *block; - char *ptr; - int i; - int totlen = 1; /* extra '\0' */ - - for(i = 0; arg[i] != NULL; ++i) { - totlen += strlen(arg[i])+1; - } - - /* sort the environment vector */ - qsort(arg, i, sizeof(char *), &compare); - - if (totlen == 1){ - block = erts_alloc(ERTS_ALC_T_ENVIRONMENT, 2); - block[0] = block[1] = '\0'; - } else { - block = erts_alloc(ERTS_ALC_T_ENVIRONMENT, totlen); - ptr = block; - for(i=0; arg[i] != NULL; ++i){ - strcpy(ptr, arg[i]); - ptr += strlen(ptr)+1; - } - *ptr = '\0'; - } - return block; -} +/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2002-2011. 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/.
+ *
+ * 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.
+ *
+ * %CopyrightEnd%
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "sys.h"
+#include "erl_sys_driver.h"
+#include "erl_alloc.h"
+
+static WCHAR *merge_environment(WCHAR *current, WCHAR *add);
+static WCHAR *arg_to_env(WCHAR **arg);
+static WCHAR **env_to_arg(WCHAR *env);
+static WCHAR **find_arg(WCHAR **arg, WCHAR *str);
+static int compare(const void *a, const void *b);
+
+static erts_smp_rwmtx_t environ_rwmtx;
+
+void
+erts_sys_env_init(void)
+{
+ erts_smp_rwmtx_init(&environ_rwmtx, "environ");
+}
+
+int
+erts_sys_putenv_raw(char *key, char *value)
+{
+ int res;
+ erts_smp_rwmtx_rwlock(&environ_rwmtx);
+ res = (SetEnvironmentVariable((LPCTSTR) key,
+ (LPCTSTR) value) ? 0 : 1);
+ erts_smp_rwmtx_rwunlock(&environ_rwmtx);
+ return res;
+}
+
+int
+erts_sys_putenv(char *key, char *value)
+{
+ int res;
+ WCHAR *wkey = (WCHAR *) key;
+ WCHAR *wvalue = (WCHAR *) value;
+ erts_smp_rwmtx_rwlock(&environ_rwmtx);
+ res = (SetEnvironmentVariableW(wkey,
+ wvalue) ? 0 : 1);
+ erts_smp_rwmtx_rwunlock(&environ_rwmtx);
+ return res;
+}
+
+int
+erts_sys_getenv(char *key, char *value, size_t *size)
+{
+ size_t req_size = 0;
+ int res = 0;
+ DWORD new_size;
+ WCHAR *wkey = (WCHAR *) key;
+ WCHAR *wvalue = (WCHAR *) value;
+ DWORD wsize = *size / (sizeof(WCHAR) / sizeof(char));
+
+ SetLastError(0);
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ new_size = GetEnvironmentVariableW(wkey,
+ wvalue,
+ (DWORD) wsize);
+ res = !new_size && GetLastError() == ERROR_ENVVAR_NOT_FOUND ? -1 : 0;
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+ if (res < 0)
+ return res;
+ res = new_size > wsize ? 1 : 0;
+ *size = new_size * (sizeof(WCHAR) / sizeof(char));
+ return res;
+}
+int
+erts_sys_getenv__(char *key, char *value, size_t *size)
+{
+ size_t req_size = 0;
+ int res = 0;
+ DWORD new_size;
+
+ SetLastError(0);
+ new_size = GetEnvironmentVariable((LPCTSTR) key,
+ (LPTSTR) value,
+ (DWORD) *size);
+ res = !new_size && GetLastError() == ERROR_ENVVAR_NOT_FOUND ? -1 : 0;
+ if (res < 0)
+ return res;
+ res = new_size > *size ? 1 : 0;
+ *size = new_size;
+ return res;
+}
+
+int
+erts_sys_getenv_raw(char *key, char *value, size_t *size)
+{
+ int res;
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ res = erts_sys_getenv__(key, value, size);
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+ return res;
+}
+
+void init_getenv_state(GETENV_STATE *state)
+{
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ state->environment_strings = GetEnvironmentStringsW();
+ state->next_string = state->environment_strings;
+}
+
+char *getenv_string(GETENV_STATE *state)
+{
+ ERTS_SMP_LC_ASSERT(erts_smp_lc_rwmtx_is_rlocked(&environ_rwmtx));
+ if (state->next_string[0] == L'\0') {
+ return NULL;
+ } else {
+ WCHAR *res = state->next_string;
+ state->next_string += wcslen(res) + 1;
+ return (char *) res;
+ }
+}
+
+void fini_getenv_state(GETENV_STATE *state)
+{
+ FreeEnvironmentStringsW(state->environment_strings);
+ state->environment_strings = state->next_string = NULL;
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+}
+
+char*
+win_build_environment(char* new_env)
+{
+ if (new_env == NULL) {
+ return NULL;
+ } else {
+ WCHAR *tmp, *merged, *tmp_new;
+
+ tmp_new = (WCHAR *) new_env;
+
+ erts_smp_rwmtx_rlock(&environ_rwmtx);
+ tmp = GetEnvironmentStringsW();
+ merged = merge_environment(tmp, tmp_new);
+
+ FreeEnvironmentStringsW(tmp);
+ erts_smp_rwmtx_runlock(&environ_rwmtx);
+ return (char *) merged;
+ }
+}
+
+static WCHAR *
+merge_environment(WCHAR *old, WCHAR *add)
+{
+ WCHAR **a_arg = env_to_arg(add);
+ WCHAR **c_arg = env_to_arg(old);
+ WCHAR *ret;
+ int i, j;
+
+ for(i = 0; c_arg[i] != NULL; ++i)
+ ;
+
+ for(j = 0; a_arg[j] != NULL; ++j)
+ ;
+
+ c_arg = erts_realloc(ERTS_ALC_T_TMP,
+ c_arg, (i+j+1) * sizeof(WCHAR *));
+
+ for(j = 0; a_arg[j] != NULL; ++j){
+ WCHAR **tmp;
+ WCHAR *current = a_arg[j];
+ WCHAR *eq_p = wcschr(current,L'=');
+ int unset = (eq_p!=NULL && eq_p[1]==L'\0');
+
+ if ((tmp = find_arg(c_arg, current)) != NULL) {
+ if (!unset) {
+ *tmp = current;
+ } else {
+ *tmp = c_arg[--i];
+ c_arg[i] = NULL;
+ }
+ } else if (!unset) {
+ c_arg[i++] = current;
+ c_arg[i] = NULL;
+ }
+ }
+ ret = arg_to_env(c_arg);
+ erts_free(ERTS_ALC_T_TMP, c_arg);
+ erts_free(ERTS_ALC_T_TMP, a_arg);
+ return ret;
+}
+
+static WCHAR**
+find_arg(WCHAR **arg, WCHAR *str)
+{
+ WCHAR *tmp;
+ int len;
+
+ if ((tmp = wcschr(str, L'=')) != NULL) {
+ tmp++;
+ len = tmp - str;
+ while (*arg != NULL){
+ if (_wcsnicmp(*arg, str, len) == 0){
+ return arg;
+ }
+ ++arg;
+ }
+ }
+ return NULL;
+}
+
+static int
+compare(const void *a, const void *b)
+{
+ WCHAR *s1 = *((WCHAR **) a);
+ WCHAR *s2 = *((WCHAR **) b);
+ WCHAR *e1 = wcschr(s1,L'=');
+ WCHAR *e2 = wcschr(s2,L'=');
+ int ret;
+ int len;
+
+ if(!e1)
+ e1 = s1 + wcslen(s1);
+ if(!e2)
+ e2 = s2 + wcslen(s2);
+
+ if((e1 - s1) > (e2 - s2))
+ len = (e2 - s2);
+ else
+ len = (e1 - s1);
+
+ ret = _wcsnicmp(s1,s2,len);
+ if (ret == 0)
+ return ((e1 - s1) - (e2 - s2));
+ else
+ return ret;
+}
+
+static WCHAR**
+env_to_arg(WCHAR *env)
+{
+ WCHAR **ret;
+ WCHAR *tmp;
+ int i;
+ int num_strings = 0;
+
+ for(tmp = env; *tmp != '\0'; tmp += wcslen(tmp)+1) {
+ ++num_strings;
+ }
+ ret = erts_alloc(ERTS_ALC_T_TMP, sizeof(WCHAR *) * (num_strings + 1));
+ i = 0;
+ for(tmp = env; *tmp != '\0'; tmp += wcslen(tmp)+1){
+ ret[i++] = tmp;
+ }
+ ret[i] = NULL;
+ return ret;
+}
+
+static WCHAR *
+arg_to_env(WCHAR **arg)
+{
+ WCHAR *block;
+ WCHAR *ptr;
+ int i;
+ int totlen = 1; /* extra '\0' */
+
+ for(i = 0; arg[i] != NULL; ++i) {
+ totlen += wcslen(arg[i])+1;
+ }
+
+ /* sort the environment vector */
+ qsort(arg, i, sizeof(WCHAR *), &compare);
+
+ if (totlen == 1){
+ block = erts_alloc(ERTS_ALC_T_ENVIRONMENT, 2 * sizeof(WCHAR));
+ block[0] = block[1] = '\0';
+ } else {
+ block = erts_alloc(ERTS_ALC_T_ENVIRONMENT, totlen * sizeof(WCHAR));
+ ptr = block;
+ for(i=0; arg[i] != NULL; ++i){
+ wcscpy(ptr, arg[i]);
+ ptr += wcslen(ptr)+1;
+ }
+ *ptr = '\0';
+ }
+ return block;
+}
|