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-rw-r--r--erts/emulator/beam/break.c2
-rw-r--r--erts/emulator/beam/dist.c20
-rwxr-xr-xerts/emulator/beam/erl_bif_info.c2
-rw-r--r--erts/emulator/beam/erl_bif_os.c106
-rw-r--r--erts/emulator/beam/erl_bif_port.c16
-rw-r--r--erts/emulator/beam/erl_init.c6
-rw-r--r--erts/emulator/beam/erl_unicode.c104
-rwxr-xr-xerts/emulator/beam/global.h8
-rw-r--r--erts/emulator/beam/io.c6
-rw-r--r--erts/emulator/beam/sys.h7
-rw-r--r--erts/emulator/beam/utils.c24
11 files changed, 185 insertions, 116 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 6f5020dc14..93aa2fb8d0 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -678,7 +678,7 @@ erl_crash_dump_v(char *file, int line, char* fmt, va_list args)
erts_sys_prepare_crash_dump();
- if (erts_sys_getenv("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
+ if (erts_sys_getenv_raw("ERL_CRASH_DUMP",&dumpnamebuf[0],&dumpnamebufsize) != 0)
dumpname = "erl_crash.dump";
else
dumpname = &dumpnamebuf[0];
diff --git a/erts/emulator/beam/dist.c b/erts/emulator/beam/dist.c
index 01fd63d5d9..025258e8de 100644
--- a/erts/emulator/beam/dist.c
+++ b/erts/emulator/beam/dist.c
@@ -968,16 +968,16 @@ erts_dsig_send_group_leader(ErtsDSigData *dsdp, Eterm leader, Eterm remote)
#define VALGRIND_PRINTF_XML VALGRIND_PRINTF
#endif
-# define PURIFY_MSG(msg) \
- do { \
- char buf__[1]; size_t bufsz__ = sizeof(buf__); \
- if (erts_sys_getenv("VALGRIND_LOG_XML", buf__, &bufsz__) >= 0) { \
- VALGRIND_PRINTF_XML("<erlang_error_log>" \
- "%s, line %d: %s</erlang_error_log>\n", \
- __FILE__, __LINE__, msg); \
- } else { \
- VALGRIND_PRINTF("%s, line %d: %s", __FILE__, __LINE__, msg); \
- } \
+# define PURIFY_MSG(msg) \
+ do { \
+ char buf__[1]; size_t bufsz__ = sizeof(buf__); \
+ if (erts_sys_getenv_raw("VALGRIND_LOG_XML", buf__, &bufsz__) >= 0) { \
+ VALGRIND_PRINTF_XML("<erlang_error_log>" \
+ "%s, line %d: %s</erlang_error_log>\n", \
+ __FILE__, __LINE__, msg); \
+ } else { \
+ VALGRIND_PRINTF("%s, line %d: %s", __FILE__, __LINE__, msg); \
+ } \
} while (0)
#else
# define PURIFY_MSG(msg)
diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index f56b00287f..45dc5fb11c 100755
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -1697,7 +1697,7 @@ static int check_if_xml(void)
{
char buf[1];
size_t bufsz = sizeof(buf);
- return erts_sys_getenv("VALGRIND_LOG_XML", buf, &bufsz) >= 0;
+ return erts_sys_getenv_raw("VALGRIND_LOG_XML", buf, &bufsz) >= 0;
}
#else
#define check_if_xml() 0
diff --git a/erts/emulator/beam/erl_bif_os.c b/erts/emulator/beam/erl_bif_os.c
index 58d48199fa..d076640a8b 100644
--- a/erts/emulator/beam/erl_bif_os.c
+++ b/erts/emulator/beam/erl_bif_os.c
@@ -71,15 +71,13 @@ BIF_RETTYPE os_getenv_0(BIF_ALIST_0)
Eterm* hp;
Eterm ret;
Eterm str;
- int len;
init_getenv_state(&state);
ret = NIL;
while ((cp = getenv_string(&state)) != NULL) {
- len = strlen(cp);
- hp = HAlloc(BIF_P, len*2+2);
- str = buf_to_intlist(&hp, cp, len, NIL);
+ str = erts_convert_native_to_filename(BIF_P,(byte *)cp);
+ hp = HAlloc(BIF_P, 2);
ret = CONS(hp, str, ret);
}
@@ -88,32 +86,30 @@ BIF_RETTYPE os_getenv_0(BIF_ALIST_0)
return ret;
}
-
+#define STATIC_BUF_SIZE 1024
BIF_RETTYPE os_getenv_1(BIF_ALIST_1)
{
Process* p = BIF_P;
- Eterm key = BIF_ARG_1;
Eterm str;
- int len, res;
+ Sint len;
+ int res;
char *key_str, *val;
- char buf[1024];
+ char buf[STATIC_BUF_SIZE];
size_t val_size = sizeof(buf);
- len = is_string(key);
- if (!len) {
+ key_str = erts_convert_filename_to_native(BIF_ARG_1,buf,STATIC_BUF_SIZE,
+ ERTS_ALC_T_TMP,1,0,&len);
+
+ if (!key_str) {
BIF_ERROR(p, BADARG);
}
- /* Leave at least one byte in buf for value */
- key_str = len < sizeof(buf)-2 ? &buf[0] : erts_alloc(ERTS_ALC_T_TMP, len+1);
- if (intlist_to_buf(key, key_str, len) != len)
- erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);
- key_str[len] = '\0';
if (key_str != &buf[0])
val = &buf[0];
else {
- val_size -= len + 1;
- val = &buf[len + 1];
+ /* len includes zero byte */
+ val_size -= len;
+ val = &buf[len];
}
res = erts_sys_getenv(key_str, val, &val_size);
@@ -121,7 +117,6 @@ BIF_RETTYPE os_getenv_1(BIF_ALIST_1)
no_var:
str = am_false;
} else {
- Eterm* hp;
if (res > 0) {
val = erts_alloc(ERTS_ALC_T_TMP, val_size);
while (1) {
@@ -134,9 +129,7 @@ BIF_RETTYPE os_getenv_1(BIF_ALIST_1)
val = erts_realloc(ERTS_ALC_T_TMP, val, val_size);
}
}
- if (val_size)
- hp = HAlloc(p, val_size*2);
- str = buf_to_intlist(&hp, val, val_size, NIL);
+ str = erts_convert_native_to_filename(p,(byte *)val);
}
if (key_str != &buf[0])
erts_free(ERTS_ALC_T_TMP, key_str);
@@ -147,46 +140,43 @@ BIF_RETTYPE os_getenv_1(BIF_ALIST_1)
BIF_RETTYPE os_putenv_2(BIF_ALIST_2)
{
- Process* p = BIF_P;
- Eterm key = BIF_ARG_1;
- Eterm value = BIF_ARG_2;
- char def_buf[1024];
- char *buf = NULL;
- int sep_ix, i, key_len, value_len, tot_len;
- key_len = is_string(key);
- if (!key_len) {
- error:
- if (buf)
- erts_free(ERTS_ALC_T_TMP, (void *) buf);
- BIF_ERROR(p, BADARG);
+ char def_buf_key[STATIC_BUF_SIZE];
+ char def_buf_value[STATIC_BUF_SIZE];
+ char *key_buf, *value_buf;
+
+ key_buf = erts_convert_filename_to_native(BIF_ARG_1,def_buf_key,
+ STATIC_BUF_SIZE,
+ ERTS_ALC_T_TMP,0,0,NULL);
+ if (!key_buf) {
+ BIF_ERROR(BIF_P, BADARG);
}
- if (is_nil(value))
- value_len = 0;
- else {
- value_len = is_string(value);
- if (!value_len)
- goto error;
+ value_buf = erts_convert_filename_to_native(BIF_ARG_2,def_buf_value,
+ STATIC_BUF_SIZE,
+ ERTS_ALC_T_TMP,1,0,
+ NULL);
+ if (!value_buf) {
+ if (key_buf != def_buf_key) {
+ erts_free(ERTS_ALC_T_TMP, key_buf);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+ }
+
+
+ if (erts_sys_putenv(key_buf, value_buf)) {
+ if (key_buf != def_buf_key) {
+ erts_free(ERTS_ALC_T_TMP, key_buf);
+ }
+ if (value_buf != def_buf_value) {
+ erts_free(ERTS_ALC_T_TMP, value_buf);
+ }
+ BIF_ERROR(BIF_P, BADARG);
+ }
+ if (key_buf != def_buf_key) {
+ erts_free(ERTS_ALC_T_TMP, key_buf);
}
- tot_len = key_len + 1 + value_len + 1;
- if (tot_len <= sizeof(def_buf))
- buf = &def_buf[0];
- else
- buf = erts_alloc(ERTS_ALC_T_TMP, tot_len);
- i = intlist_to_buf(key, buf, key_len);
- if (i != key_len)
- erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);
- sep_ix = i;
- buf[i++] = '=';
- if (is_not_nil(value))
- i += intlist_to_buf(value, &buf[i], value_len);
- if (i != key_len + 1 + value_len)
- erl_exit(1, "%s:%d: Internal error\n", __FILE__, __LINE__);
- buf[i] = '\0';
- if (erts_sys_putenv(buf, sep_ix)) {
- goto error;
+ if (value_buf != def_buf_value) {
+ erts_free(ERTS_ALC_T_TMP, value_buf);
}
- if (buf != &def_buf[0])
- erts_free(ERTS_ALC_T_TMP, (void *) buf);
BIF_RET(am_true);
}
diff --git a/erts/emulator/beam/erl_bif_port.c b/erts/emulator/beam/erl_bif_port.c
index 2a1b01b107..f9009166c0 100644
--- a/erts/emulator/beam/erl_bif_port.c
+++ b/erts/emulator/beam/erl_bif_port.c
@@ -718,7 +718,7 @@ open_port(Process* p, Eterm name, Eterm settings, int *err_nump)
} else if (option == am_arg0) {
char *a0;
- if ((a0 = erts_convert_filename_to_native(*tp, ERTS_ALC_T_TMP, 1)) == NULL) {
+ if ((a0 = erts_convert_filename_to_native(*tp, NULL, 0, ERTS_ALC_T_TMP, 1, 1, NULL)) == NULL) {
goto badarg;
}
if (opts.argv == NULL) {
@@ -845,7 +845,7 @@ open_port(Process* p, Eterm name, Eterm settings, int *err_nump)
goto badarg;
}
name = tp[1];
- if ((name_buf = erts_convert_filename_to_native(name,ERTS_ALC_T_TMP,0)) == NULL) {
+ if ((name_buf = erts_convert_filename_to_native(name, NULL, 0, ERTS_ALC_T_TMP,0,1, NULL)) == NULL) {
goto badarg;
}
opts.spawn_type = ERTS_SPAWN_EXECUTABLE;
@@ -909,7 +909,7 @@ open_port(Process* p, Eterm name, Eterm settings, int *err_nump)
}
opts.wd = (char *) dir;
} else {
- if ((opts.wd = erts_convert_filename_to_native(edir,ERTS_ALC_T_TMP,0)) == NULL) {
+ if ((opts.wd = erts_convert_filename_to_native(edir, NULL, 0, ERTS_ALC_T_TMP,0,1,NULL)) == NULL) {
goto badarg;
}
}
@@ -1000,7 +1000,7 @@ static char **convert_args(Eterm l)
pp[i++] = erts_default_arg0;
while (is_list(l)) {
str = CAR(list_val(l));
- if ((b = erts_convert_filename_to_native(str,ERTS_ALC_T_TMP,1)) == NULL) {
+ if ((b = erts_convert_filename_to_native(str,NULL,0,ERTS_ALC_T_TMP,1,1,NULL)) == NULL) {
int j;
for (j = 1; j < i; ++j)
erts_free(ERTS_ALC_T_TMP, pp[j]);
@@ -1035,8 +1035,9 @@ static byte* convert_environment(Process* p, Eterm env)
Eterm* hp;
Uint heap_size;
int n;
- Uint size;
+ Sint size;
byte* bytes;
+ int encoding = erts_get_native_filename_encoding();
if ((n = list_length(env)) < 0) {
return NULL;
@@ -1079,7 +1080,8 @@ static byte* convert_environment(Process* p, Eterm env)
if (is_not_nil(env)) {
goto done;
}
- if (erts_iolist_size(all, &size)) {
+
+ if ((size = erts_native_filename_need(all,encoding)) < 0) {
goto done;
}
@@ -1087,7 +1089,7 @@ static byte* convert_environment(Process* p, Eterm env)
* Put the result in a binary (no risk for a memory leak that way).
*/
(void) erts_new_heap_binary(p, NULL, size, &bytes);
- io_list_to_buf(all, (char*)bytes, size);
+ erts_native_filename_put(all,encoding,bytes);
done:
erts_free(ERTS_ALC_T_TMP, temp_heap);
diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c
index 02164728fe..1eb3dba240 100644
--- a/erts/emulator/beam/erl_init.c
+++ b/erts/emulator/beam/erl_init.c
@@ -623,7 +623,7 @@ early_init(int *argc, char **argv) /*
envbufsz = sizeof(envbuf);
- /* erts_sys_getenv() not initialized yet; need erts_sys_getenv__() */
+ /* erts_sys_getenv(_raw)() not initialized yet; need erts_sys_getenv__() */
if (erts_sys_getenv__("ERL_THREAD_POOL_SIZE", envbuf, &envbufsz) == 0)
erts_async_max_threads = atoi(envbuf);
else
@@ -846,13 +846,13 @@ erl_start(int argc, char **argv)
int ncpu = early_init(&argc, argv);
envbufsz = sizeof(envbuf);
- if (erts_sys_getenv(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
+ if (erts_sys_getenv_raw(ERL_MAX_ETS_TABLES_ENV, envbuf, &envbufsz) == 0)
user_requested_db_max_tabs = atoi(envbuf);
else
user_requested_db_max_tabs = 0;
envbufsz = sizeof(envbuf);
- if (erts_sys_getenv("ERL_FULLSWEEP_AFTER", envbuf, &envbufsz) == 0) {
+ if (erts_sys_getenv_raw("ERL_FULLSWEEP_AFTER", envbuf, &envbufsz) == 0) {
Uint16 max_gen_gcs = atoi(envbuf);
erts_smp_atomic32_set_nob(&erts_max_gen_gcs,
(erts_aint32_t) max_gen_gcs);
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index 6d5eae73b0..127db4d4f6 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -2027,12 +2027,14 @@ BIF_RETTYPE binary_to_existing_atom_2(BIF_ALIST_2)
* string routines, that will certainly fail on some OS.
*/
-char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int allow_empty)
+char *erts_convert_filename_to_native(Eterm name, char *statbuf, size_t statbuf_size, ErtsAlcType_t alloc_type, int allow_empty, int allow_atom, Sint *used)
{
int encoding = erts_get_native_filename_encoding();
char* name_buf = NULL;
- if (is_atom(name) || is_list(name) || (allow_empty && is_nil(name))) {
+ if ((allow_atom && is_atom(name)) ||
+ is_list(name) ||
+ (allow_empty && is_nil(name))) {
Sint need;
if ((need = erts_native_filename_need(name,encoding)) < 0) {
return NULL;
@@ -2042,7 +2044,13 @@ char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int
} else {
++need;
}
- name_buf = (char *) erts_alloc(alloc_type, need);
+ if (used)
+ *used = (Sint) need;
+ if (need > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, need);
+ } else {
+ name_buf = statbuf;
+ }
erts_native_filename_put(name,encoding,(byte *)name_buf);
name_buf[need-1] = 0;
if (encoding == ERL_FILENAME_WIN_WCHAR) {
@@ -2058,14 +2066,26 @@ char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int
bytes = erts_get_aligned_binary_bytes(name, &temp_alloc);
if (encoding != ERL_FILENAME_WIN_WCHAR) {
/*Add 0 termination only*/
- name_buf = (char *) erts_alloc(alloc_type, size+1);
+ if (used)
+ *used = (Sint) size+1;
+ if (size+1 > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, size+1);
+ } else {
+ name_buf = statbuf;
+ }
memcpy(name_buf,bytes,size);
name_buf[size]=0;
} else if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK ||
erts_get_user_requested_filename_encoding() == ERL_FILENAME_LATIN1) {
byte *p;
/* What to do now? Maybe latin1, so just take byte for byte instead */
- name_buf = (char *) erts_alloc(alloc_type, (size+1)*2);
+ if (used)
+ *used = (Sint) (size+1)*2;
+ if ((size+1)*2 > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, (size+1)*2);
+ } else {
+ name_buf = statbuf;
+ }
p = (byte *) name_buf;
while (size--) {
*p++ = *bytes++;
@@ -2074,7 +2094,13 @@ char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int
*p++ = 0;
*p++ = 0;
} else { /* WIN_WCHAR and valid UTF8 */
- name_buf = (char *) erts_alloc(alloc_type, (num_chars+1)*2);
+ if (used)
+ *used = (Sint) (num_chars+1)*2;
+ if ((num_chars+1)*2 > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, (num_chars+1)*2);
+ } else {
+ name_buf = statbuf;
+ }
erts_copy_utf8_to_utf16_little((byte *) name_buf, bytes, num_chars);
name_buf[num_chars*2] = 0;
name_buf[num_chars*2+1] = 0;
@@ -2086,6 +2112,71 @@ char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int
return name_buf;
}
+static int filename_len_16bit(byte *str)
+{
+ byte *p = str;
+ while(*p != '\0' || p[1] != '\0') {
+ p += 2;
+ }
+ return (p - str);
+}
+Eterm erts_convert_native_to_filename(Process *p, byte *bytes)
+{
+ Uint size,num_chars;
+ Eterm *hp;
+ byte *err_pos;
+ Uint num_built; /* characters */
+ Uint num_eaten; /* bytes */
+ Eterm ret;
+ int mac = 0;
+
+ switch (erts_get_native_filename_encoding()) {
+ case ERL_FILENAME_LATIN1:
+ goto noconvert;
+ case ERL_FILENAME_UTF8_MAC:
+ mac = 1;
+ case ERL_FILENAME_UTF8:
+ size = strlen((char *) bytes);
+ if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK) {
+ goto noconvert;
+ }
+ num_built = 0;
+ num_eaten = 0;
+ if (mac) {
+ ret = do_utf8_to_list_normalize(p, num_chars, bytes, size);
+ } else {
+ ret = do_utf8_to_list(p, num_chars, bytes, size, num_chars, &num_built, &num_eaten, NIL);
+ }
+ return ret;
+ case ERL_FILENAME_WIN_WCHAR:
+ size=filename_len_16bit(bytes);
+ if ((size % 2) != 0) { /* Panic fixup to avoid crashing the emulator */
+ size--;
+ hp = HAlloc(p, size+2);
+ ret = CONS(hp,make_small((Uint) bytes[size]),NIL);
+ hp += 2;
+ } else {
+ hp = HAlloc(p, size);
+ ret = NIL;
+ }
+ bytes += size-1;
+ while (size > 0) {
+ Uint x = ((Uint) *bytes--) << 8;
+ x |= ((Uint) *bytes--);
+ size -= 2;
+ ret = CONS(hp,make_small(x),ret);
+ hp += 2;
+ }
+ return ret;
+ default:
+ goto noconvert;
+ }
+ noconvert:
+ size = strlen((char *) bytes);
+ hp = HAlloc(p, 2 * size);
+ return erts_bin_bytes_to_list(NIL, hp, bytes, size, 0);
+}
+
Sint erts_native_filename_need(Eterm ioterm, int encoding)
{
@@ -2619,3 +2710,4 @@ BIF_RETTYPE file_native_name_encoding_0(BIF_ALIST_0)
BIF_RET(am_undefined);
}
}
+
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 1b15c4ac3b..dbf95f5bd7 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -1386,8 +1386,12 @@ Sint erts_native_filename_need(Eterm ioterm, int encoding);
void erts_copy_utf8_to_utf16_little(byte *target, byte *bytes, int num_chars);
int erts_analyze_utf8(byte *source, Uint size,
byte **err_pos, Uint *num_chars, int *left);
-char *erts_convert_filename_to_native(Eterm name, ErtsAlcType_t alloc_type, int allow_empty);
-
+char *erts_convert_filename_to_native(Eterm name, char *statbuf,
+ size_t statbuf_size,
+ ErtsAlcType_t alloc_type,
+ int allow_empty, int allow_atom,
+ Sint *used /* out */);
+Eterm erts_convert_native_to_filename(Process *p, byte *bytes);
#define ERTS_UTF8_OK 0
#define ERTS_UTF8_INCOMPLETE 1
#define ERTS_UTF8_ERROR 2
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 204bff299e..35b194f927 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -1314,7 +1314,7 @@ void init_io(void)
pdl_init();
- if (erts_sys_getenv("ERL_MAX_PORTS", maxports, &maxportssize) == 0)
+ if (erts_sys_getenv_raw("ERL_MAX_PORTS", maxports, &maxportssize) == 0)
erts_max_ports = atoi(maxports);
else
erts_max_ports = sys_max_files();
@@ -5227,11 +5227,11 @@ int null_func(void)
int
erl_drv_putenv(char *key, char *value)
{
- return erts_write_env(key, value);
+ return erts_sys_putenv_raw(key, value);
}
int
erl_drv_getenv(char *key, char *value, size_t *value_size)
{
- return erts_sys_getenv(key, value, value_size);
+ return erts_sys_getenv_raw(key, value, value_size);
}
diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h
index 7b2bb81f62..2406c52f14 100644
--- a/erts/emulator/beam/sys.h
+++ b/erts/emulator/beam/sys.h
@@ -703,18 +703,21 @@ int sys_double_to_chars(double, char*);
void sys_get_pid(char *);
/* erts_sys_putenv() returns, 0 on success and a value != 0 on failure. */
-int erts_sys_putenv(char *key_value, int sep_ix);
+int erts_sys_putenv(char *key, char *value);
+/* Simple variant used from drivers, raw eightbit interface */
+int erts_sys_putenv_raw(char *key, char *value);
/* erts_sys_getenv() returns 0 on success (length of value string in
*size), a value > 0 if value buffer is too small (*size is set to needed
size), and a value < 0 on failure. */
int erts_sys_getenv(char *key, char *value, size_t *size);
+/* Simple variant used from drivers, raw eightbit interface */
+int erts_sys_getenv_raw(char *key, char *value, size_t *size);
/* erts_sys_getenv__() is only allowed to be used in early init phase */
int erts_sys_getenv__(char *key, char *value, size_t *size);
/* Easier to use, but not as efficient, environment functions */
char *erts_read_env(char *key);
void erts_free_read_env(void *value);
-int erts_write_env(char *key, char *value);
/* utils.c */
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index a36d15204e..bd708ceee6 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -3409,7 +3409,7 @@ erts_read_env(char *key)
char *value = erts_alloc(ERTS_ALC_T_TMP, value_len);
int res;
while (1) {
- res = erts_sys_getenv(key, value, &value_len);
+ res = erts_sys_getenv_raw(key, value, &value_len);
if (res <= 0)
break;
value = erts_realloc(ERTS_ALC_T_TMP, value, value_len);
@@ -3428,28 +3428,6 @@ erts_free_read_env(void *value)
erts_free(ERTS_ALC_T_TMP, value);
}
-int
-erts_write_env(char *key, char *value)
-{
- int ix, res;
- size_t key_len = sys_strlen(key), value_len = sys_strlen(value);
- char *key_value = erts_alloc_fnf(ERTS_ALC_T_TMP,
- key_len + 1 + value_len + 1);
- if (!key_value) {
- errno = ENOMEM;
- return -1;
- }
- sys_memcpy((void *) key_value, (void *) key, key_len);
- ix = key_len;
- key_value[ix++] = '=';
- sys_memcpy((void *) key_value, (void *) value, value_len);
- ix += value_len;
- key_value[ix] = '\0';
- res = erts_sys_putenv(key_value, key_len);
- erts_free(ERTS_ALC_T_TMP, key_value);
- return res;
-}
-
/*
* To be used to silence unused result warnings, but do not abuse it.
*/