[PATCH 1/3] reg: Replace heap_xalloc() with heap_alloc()

Hugh McMaster hugh.mcmaster at outlook.com
Fri Mar 19 06:32:37 CDT 2021


Signed-off-by: Hugh McMaster <hugh.mcmaster at outlook.com>
---
 programs/reg/add.c    |  8 ++++----
 programs/reg/delete.c |  2 +-
 programs/reg/export.c | 20 ++++++++++----------
 programs/reg/import.c | 16 ++++++++--------
 programs/reg/query.c  | 20 ++++++++++----------
 programs/reg/reg.c    | 19 ++++---------------
 programs/reg/reg.h    |  1 -
 7 files changed, 37 insertions(+), 49 deletions(-)

diff --git a/programs/reg/add.c b/programs/reg/add.c
index 054023df7ab..6d32e86c09a 100644
--- a/programs/reg/add.c
+++ b/programs/reg/add.c
@@ -64,7 +64,7 @@ static LPBYTE get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator, DW
         case REG_EXPAND_SZ:
         {
             *reg_count = (lstrlenW(data) + 1) * sizeof(WCHAR);
-            out_data = heap_xalloc(*reg_count);
+            out_data = heap_alloc(*reg_count);
             lstrcpyW((LPWSTR)out_data,data);
             break;
         }
@@ -80,7 +80,7 @@ static LPBYTE get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator, DW
                 break;
             }
             *reg_count = sizeof(DWORD);
-            out_data = heap_xalloc(*reg_count);
+            out_data = heap_alloc(*reg_count);
             ((LPDWORD)out_data)[0] = val;
             break;
         }
@@ -89,7 +89,7 @@ static LPBYTE get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator, DW
             BYTE hex0, hex1;
             int i = 0, destByteIndex = 0, datalen = lstrlenW(data);
             *reg_count = ((datalen + datalen % 2) / 2) * sizeof(BYTE);
-            out_data = heap_xalloc(*reg_count);
+            out_data = heap_alloc(*reg_count);
             if(datalen % 2)
             {
                 hex1 = hexchar_to_byte(data[i++]);
@@ -116,7 +116,7 @@ static LPBYTE get_regdata(const WCHAR *data, DWORD reg_type, WCHAR separator, DW
         case REG_MULTI_SZ:
         {
             int i, destindex, len = lstrlenW(data);
-            WCHAR *buffer = heap_xalloc((len + 2) * sizeof(WCHAR));
+            WCHAR *buffer = heap_alloc((len + 2) * sizeof(WCHAR));
 
             for (i = 0, destindex = 0; i < len; i++, destindex++)
             {
diff --git a/programs/reg/delete.c b/programs/reg/delete.c
index e0730e5c12f..5aa84eed5b1 100644
--- a/programs/reg/delete.c
+++ b/programs/reg/delete.c
@@ -65,7 +65,7 @@ int reg_delete(HKEY root, WCHAR *path, WCHAR *key_name, WCHAR *value_name,
         WCHAR *value_name;
         LONG rc;
 
-        value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
+        value_name = heap_alloc(max_value_len * sizeof(WCHAR));
 
         while (1)
         {
diff --git a/programs/reg/export.c b/programs/reg/export.c
index 8ce1945a693..10d3ca75eb4 100644
--- a/programs/reg/export.c
+++ b/programs/reg/export.c
@@ -42,7 +42,7 @@ static WCHAR *escape_string(WCHAR *str, size_t str_len, size_t *line_len)
             escape_count++;
     }
 
-    buf = heap_xalloc((str_len + escape_count + 1) * sizeof(WCHAR));
+    buf = heap_alloc((str_len + escape_count + 1) * sizeof(WCHAR));
 
     for (i = 0, pos = 0; i < str_len; i++, pos++)
     {
@@ -87,7 +87,7 @@ static size_t export_value_name(HANDLE hFile, WCHAR *name, size_t len)
     if (name && *name)
     {
         WCHAR *str = escape_string(name, len, &line_len);
-        WCHAR *buf = heap_xalloc((line_len + 4) * sizeof(WCHAR));
+        WCHAR *buf = heap_alloc((line_len + 4) * sizeof(WCHAR));
         line_len = swprintf(buf, line_len + 4, quoted_fmt, str);
         write_file(hFile, buf);
         heap_free(buf);
@@ -111,7 +111,7 @@ static void export_string_data(WCHAR **buf, WCHAR *data, size_t size)
     if (size)
         len = size / sizeof(WCHAR) - 1;
     str = escape_string(data, len, &line_len);
-    *buf = heap_xalloc((line_len + 3) * sizeof(WCHAR));
+    *buf = heap_alloc((line_len + 3) * sizeof(WCHAR));
     swprintf(*buf, line_len + 3, fmt, str);
     heap_free(str);
 }
@@ -120,7 +120,7 @@ static void export_dword_data(WCHAR **buf, DWORD *data)
 {
     static const WCHAR fmt[] = {'d','w','o','r','d',':','%','0','8','x',0};
 
-    *buf = heap_xalloc(15 * sizeof(WCHAR));
+    *buf = heap_alloc(15 * sizeof(WCHAR));
     swprintf(*buf, 15, fmt, *data);
 }
 
@@ -137,7 +137,7 @@ static size_t export_hex_data_type(HANDLE hFile, DWORD type)
     }
     else
     {
-        WCHAR *buf = heap_xalloc(15 * sizeof(WCHAR));
+        WCHAR *buf = heap_alloc(15 * sizeof(WCHAR));
         line_len = swprintf(buf, 15, hexp_fmt, type);
         write_file(hFile, buf);
         heap_free(buf);
@@ -160,7 +160,7 @@ static void export_hex_data(HANDLE hFile, WCHAR **buf, DWORD type,
     if (!size) return;
 
     num_commas = size - 1;
-    *buf = heap_xalloc(size * 3 * sizeof(WCHAR));
+    *buf = heap_alloc(size * 3 * sizeof(WCHAR));
 
     for (i = 0, pos = 0; i < size; i++)
     {
@@ -228,7 +228,7 @@ static void export_key_name(HANDLE hFile, WCHAR *name)
     static const WCHAR fmt[] = {'\r','\n','[','%','s',']','\r','\n',0};
     WCHAR *buf;
 
-    buf = heap_xalloc((lstrlenW(name) + 7) * sizeof(WCHAR));
+    buf = heap_alloc((lstrlenW(name) + 7) * sizeof(WCHAR));
     swprintf(buf, lstrlenW(name) + 7, fmt, name);
     write_file(hFile, buf);
     heap_free(buf);
@@ -247,8 +247,8 @@ static int export_registry_data(HANDLE hFile, HKEY key, WCHAR *path)
 
     export_key_name(hFile, path);
 
-    value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
-    data = heap_xalloc(max_data_bytes);
+    value_name = heap_alloc(max_value_len * sizeof(WCHAR));
+    data = heap_alloc(max_data_bytes);
 
     i = 0;
     for (;;)
@@ -281,7 +281,7 @@ static int export_registry_data(HANDLE hFile, HKEY key, WCHAR *path)
     heap_free(data);
     heap_free(value_name);
 
-    subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
+    subkey_name = heap_alloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
 
     path_len = lstrlenW(path);
 
diff --git a/programs/reg/import.c b/programs/reg/import.c
index 13e54e6a69a..9bcc8b63421 100644
--- a/programs/reg/import.c
+++ b/programs/reg/import.c
@@ -31,7 +31,7 @@ static WCHAR *GetWideString(const char *strA)
         WCHAR *strW;
         int len = MultiByteToWideChar(CP_ACP, 0, strA, -1, NULL, 0);
 
-        strW = heap_xalloc(len * sizeof(WCHAR));
+        strW = heap_alloc(len * sizeof(WCHAR));
         MultiByteToWideChar(CP_ACP, 0, strA, -1, strW, len);
         return strW;
     }
@@ -45,7 +45,7 @@ static WCHAR *GetWideStringN(const char *strA, int size, DWORD *len)
         WCHAR *strW;
         *len = MultiByteToWideChar(CP_ACP, 0, strA, size, NULL, 0);
 
-        strW = heap_xalloc(*len * sizeof(WCHAR));
+        strW = heap_alloc(*len * sizeof(WCHAR));
         MultiByteToWideChar(CP_ACP, 0, strA, size, strW, *len);
         return strW;
     }
@@ -383,7 +383,7 @@ static LONG open_key(struct parser *parser, WCHAR *path)
 
     if (res == ERROR_SUCCESS)
     {
-        parser->key_name = heap_xalloc((lstrlenW(path) + 1) * sizeof(WCHAR));
+        parser->key_name = heap_alloc((lstrlenW(path) + 1) * sizeof(WCHAR));
         lstrcpyW(parser->key_name, path);
     }
     else
@@ -482,7 +482,7 @@ static WCHAR *header_state(struct parser *parser, WCHAR *pos)
 
     if (!parser->is_unicode)
     {
-        header = heap_xalloc((lstrlenW(line) + 3) * sizeof(WCHAR));
+        header = heap_alloc((lstrlenW(line) + 3) * sizeof(WCHAR));
         header[0] = parser->two_wchars[0];
         header[1] = parser->two_wchars[1];
         lstrcpyW(header + 2, line);
@@ -646,7 +646,7 @@ static WCHAR *quoted_value_name_state(struct parser *parser, WCHAR *pos)
         goto invalid;
 
     /* copy the value name in case we need to parse multiple lines and the buffer is overwritten */
-    parser->value_name = heap_xalloc((lstrlenW(val_name) + 1) * sizeof(WCHAR));
+    parser->value_name = heap_alloc((lstrlenW(val_name) + 1) * sizeof(WCHAR));
     lstrcpyW(parser->value_name, val_name);
 
     set_state(parser, DATA_START);
@@ -757,7 +757,7 @@ static WCHAR *dword_data_state(struct parser *parser, WCHAR *pos)
 {
     WCHAR *line = pos;
 
-    parser->data = heap_xalloc(sizeof(DWORD));
+    parser->data = heap_alloc(sizeof(DWORD));
 
     if (!convert_hex_to_dword(line, parser->data))
         goto invalid;
@@ -886,7 +886,7 @@ static WCHAR *get_lineA(FILE *fp)
     if (!size)
     {
         size = REG_VAL_BUF_SIZE;
-        buf = heap_xalloc(size);
+        buf = heap_alloc(size);
         *buf = 0;
         next = buf;
     }
@@ -941,7 +941,7 @@ static WCHAR *get_lineW(FILE *fp)
     if (!size)
     {
         size = REG_VAL_BUF_SIZE;
-        buf = heap_xalloc(size * sizeof(WCHAR));
+        buf = heap_alloc(size * sizeof(WCHAR));
         *buf = 0;
         next = buf;
     }
diff --git a/programs/reg/query.c b/programs/reg/query.c
index b24edb2f0b2..0c1432d4e2d 100644
--- a/programs/reg/query.c
+++ b/programs/reg/query.c
@@ -41,7 +41,7 @@ static WCHAR *reg_data_to_wchar(DWORD type, const BYTE *src, DWORD size_bytes)
     {
         case REG_SZ:
         case REG_EXPAND_SZ:
-            buffer = heap_xalloc(size_bytes);
+            buffer = heap_alloc(size_bytes);
             lstrcpyW(buffer, (WCHAR *)src);
             break;
         case REG_NONE:
@@ -50,7 +50,7 @@ static WCHAR *reg_data_to_wchar(DWORD type, const BYTE *src, DWORD size_bytes)
             WCHAR *ptr;
             static const WCHAR fmt[] = {'%','0','2','X',0};
 
-            buffer = heap_xalloc((size_bytes * 2 + 1) * sizeof(WCHAR));
+            buffer = heap_alloc((size_bytes * 2 + 1) * sizeof(WCHAR));
             ptr = buffer;
             for (i = 0; i < size_bytes; i++)
                 ptr += swprintf(ptr, 3, fmt, src[i]);
@@ -63,7 +63,7 @@ static WCHAR *reg_data_to_wchar(DWORD type, const BYTE *src, DWORD size_bytes)
             const int zero_x_dword = 10;
             static const WCHAR fmt[] = {'0','x','%','x',0};
 
-            buffer = heap_xalloc((zero_x_dword + 1) * sizeof(WCHAR));
+            buffer = heap_alloc((zero_x_dword + 1) * sizeof(WCHAR));
             swprintf(buffer, zero_x_dword + 1, fmt, *(DWORD *)src);
             break;
         }
@@ -76,13 +76,13 @@ static WCHAR *reg_data_to_wchar(DWORD type, const BYTE *src, DWORD size_bytes)
 
             if (size_bytes <= two_wchars)
             {
-                buffer = heap_xalloc(sizeof(WCHAR));
+                buffer = heap_alloc(sizeof(WCHAR));
                 *buffer = 0;
                 return buffer;
             }
 
             tmp_size = size_bytes - two_wchars; /* exclude both null terminators */
-            buffer = heap_xalloc(tmp_size * 2 + sizeof(WCHAR));
+            buffer = heap_alloc(tmp_size * 2 + sizeof(WCHAR));
             len = tmp_size / sizeof(WCHAR);
 
             for (i = 0, destindex = 0; i < len; i++, destindex++)
@@ -146,7 +146,7 @@ static int query_value(HKEY key, WCHAR *value_name, WCHAR *path, BOOL recurse)
     WCHAR *subkey_name, *subkey_path;
     HKEY subkey;
 
-    data = heap_xalloc(max_data_bytes);
+    data = heap_alloc(max_data_bytes);
 
     for (;;)
     {
@@ -185,7 +185,7 @@ static int query_value(HKEY key, WCHAR *value_name, WCHAR *path, BOOL recurse)
         return 0;
     }
 
-    subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
+    subkey_name = heap_alloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
 
     path_len = lstrlenW(path);
 
@@ -227,8 +227,8 @@ static int query_all(HKEY key, WCHAR *path, BOOL recurse)
 
     output_string(fmt, path);
 
-    value_name = heap_xalloc(max_value_len * sizeof(WCHAR));
-    data = heap_xalloc(max_data_bytes);
+    value_name = heap_alloc(max_value_len * sizeof(WCHAR));
+    data = heap_alloc(max_data_bytes);
 
     i = 0;
     for (;;)
@@ -263,7 +263,7 @@ static int query_all(HKEY key, WCHAR *path, BOOL recurse)
     if (i || recurse)
         output_string(newlineW);
 
-    subkey_name = heap_xalloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
+    subkey_name = heap_alloc(MAX_SUBKEY_LEN * sizeof(WCHAR));
 
     path_len = lstrlenW(path);
 
diff --git a/programs/reg/reg.c b/programs/reg/reg.c
index 309d855e996..3c8971d4e2a 100644
--- a/programs/reg/reg.c
+++ b/programs/reg/reg.c
@@ -69,17 +69,6 @@ const struct reg_type_rels type_rels[] =
     {REG_MULTI_SZ, type_multi_sz},
 };
 
-void *heap_xalloc(size_t size)
-{
-    void *buf = heap_alloc(size);
-    if (!buf)
-    {
-        ERR("Out of memory!\n");
-        exit(1);
-    }
-    return buf;
-}
-
 void *heap_xrealloc(void *buf, size_t size)
 {
     void *new_buf = heap_realloc(buf, size);
@@ -108,7 +97,7 @@ void output_writeconsole(const WCHAR *str, DWORD wlen)
          * one in that case.
          */
         len = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, NULL, 0, NULL, NULL);
-        msgA = heap_xalloc(len);
+        msgA = heap_alloc(len);
 
         WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, msgA, len, NULL, NULL);
         WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
@@ -233,7 +222,7 @@ WCHAR *build_subkey_path(WCHAR *path, DWORD path_len, WCHAR *subkey_name, DWORD
     WCHAR *subkey_path;
     static const WCHAR fmt[] = {'%','s','\\','%','s',0};
 
-    subkey_path = heap_xalloc((path_len + subkey_len + 2) * sizeof(WCHAR));
+    subkey_path = heap_alloc((path_len + subkey_len + 2) * sizeof(WCHAR));
     swprintf(subkey_path, path_len + subkey_len + 2, fmt, path, subkey_name);
 
     return subkey_path;
@@ -255,13 +244,13 @@ static WCHAR *get_long_key(HKEY root, WCHAR *path)
 
     if (!path)
     {
-        long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
+        long_key = heap_alloc((len + 1) * sizeof(WCHAR));
         lstrcpyW(long_key, root_rels[i].long_name);
         return long_key;
     }
 
     len += lstrlenW(path) + 1; /* add one for the backslash */
-    long_key = heap_xalloc((len + 1) * sizeof(WCHAR));
+    long_key = heap_alloc((len + 1) * sizeof(WCHAR));
     swprintf(long_key, len + 1, fmt, root_rels[i].long_name, path);
     return long_key;
 }
diff --git a/programs/reg/reg.h b/programs/reg/reg.h
index 83bcf516297..280c0654109 100644
--- a/programs/reg/reg.h
+++ b/programs/reg/reg.h
@@ -33,7 +33,6 @@ struct reg_type_rels {
 
 extern const struct reg_type_rels type_rels[8];
 
-void *heap_xalloc(size_t size);
 void *heap_xrealloc(void *buf, size_t size);
 void output_writeconsole(const WCHAR *str, DWORD wlen);
 void WINAPIV output_message(unsigned int id, ...);
-- 
2.31.0




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