Initial platform / compiler specific code refactoring.

[xonotic/gmqcc.git] / msvc.c

diff --git a/msvc.c b/msvc.c
new file mode 100644 (file)
index 0000000..904ef28
--- /dev/null
+++ b/msvc.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2012, 2013
+ *     Dale Weiler
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "gmqcc.h"
+
+#define CTIME_BUFFER    64
+#define GETENV_BUFFER   4096
+#define STRERROR_BUFFER 128
+
+static void **platform_mem_pool = NULL;
+static void platform_mem_atexit() {
+    size_t i;
+    for (i = 0; i < vec_size(platform_mem_pool); i++)
+        mem_d(platform_mem_pool[i]);
+    vec_free(platform_mem_pool);
+}
+
+static void *platform_mem_allocate(size_t bytes) {
+    void *mem = NULL;
+    if (!platform_mem_pool) {
+        atexit(&platform_mem_atexit);
+        vec_push(platform_mem_pool, NULL);
+    }
+
+    mem = mem_a(bytes);
+    vec_push(platform_mem_pool, mem);
+
+    return mem;
+}
+
+int platform_vsnprintf(char *buffer, size_t bytes, const char *format, va_list arg) {
+    vsnprintf_s(buffer, bytes, bytes, format, arg);
+}
+
+int platform_sscanf(const char *str, const char *format, ...) {
+    va_list va;
+    va_start(va, format);
+    vsscanf_s(str, format, va);
+    va_end(va);
+}
+
+const struct tm *platform_localtime(const time_t *timer) {
+    struct tm *t;
+    t = (struct tm*)platform_mem_allocate(sizeof(struct tm));
+    localtime_s(&t, timer);
+    return &t;
+}
+
+const char *platform_ctime(const time_t *timer) {
+    char *buffer = (char *)platform_mem_allocate(CTIME_BUFFER);
+    ctime_s(buffer, CTIME_BUFFER, timer);
+    return buffer;
+}
+
+char *platform_strncat(char *dest, const char *src, size_t num) {
+    return strncat_s(dest, num, src, _TRUNCATE);
+}
+
+const char *platform_tmpnam(char *str) {
+    return tmpnam_s(str, L_tmpnam);
+}
+
+const char *platform_getenv(char *var) {
+    char  *buffer = (char *)platform_mem_allocate(GETENV_BUFFER);
+    size_t size;
+    getenv_s(&size, buffer, GETENV_BUFFER, var);
+    return buffer;
+}
+
+int platform_snprintf(char *src, size_t bytes, const char *format, ...) {
+    int      rt;
+    va_list  va;
+    va_start(va, format);
+
+    rt = vsprintf_s(src, bytes, format, va);
+    va_end  (va);
+
+    return rt;
+}
+
+char *platform_strcat(char *dest, const char *src) {
+    strcat_s(dest, strlen(src), src);
+    return dest;
+}
+
+char *platform_strncpy(char *dest, const char *src, size_t num) {
+    strncpy_s(dest, num, src, num);
+    return dest;
+}
+
+const char *platform_strerror(int err) {
+    char *buffer = (char*)platform_mem_allocate(STRERROR_BUFFER);
+    strerror_s(buffer, STRERROR_BUFFER, err);
+    return buffer;
+}