Always use SDL_malloc() and SDL_free()

To avoid mixing SDL_malloc()/SDL_strdup() with free(), or malloc() with
SDL_free(), always use the SDL version.

app/src/command.c

@@ -147,7 +147,7 @@ adb_push(const char *serial, const char *local, const char *remote) {
     }
     remote = strquote(remote);
     if (!remote) {
-        free((void *) local);
+        SDL_free((void *) local);
         return PROCESS_NONE;
     }
 #endif
@@ -156,8 +156,8 @@ adb_push(const char *serial, const char *local, const char *remote) {
     process_t proc = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
 
 #ifdef __WINDOWS__
-    free((void *) remote);
+    SDL_free((void *) remote);
-    free((void *) local);
+    SDL_free((void *) local);
 #endif
 
     return proc;
@@ -178,7 +178,7 @@ adb_install(const char *serial, const char *local) {
     process_t proc = adb_execute(serial, adb_cmd, ARRAY_LEN(adb_cmd));
 
 #ifdef __WINDOWS__
-    free((void *) local);
+    SDL_free((void *) local);
 #endif
 
     return proc;

app/src/str_util.c

@@ -8,6 +8,8 @@
 # include <tchar.h>
 #endif
 
+#include <SDL2/SDL_stdinc.h>
+
 size_t
 xstrncpy(char *dest, const char *src, size_t n) {
     size_t i;
@@ -45,7 +47,7 @@ truncated:
 char *
 strquote(const char *src) {
     size_t len = strlen(src);
-    char *quoted = malloc(len + 3);
+    char *quoted = SDL_malloc(len + 3);
     if (!quoted) {
         return NULL;
     }
@@ -65,7 +67,7 @@ utf8_to_wide_char(const char *utf8) {
         return NULL;
     }
 
-    wchar_t *wide = malloc(len * sizeof(wchar_t));
+    wchar_t *wide = SDL_malloc(len * sizeof(wchar_t));
     if (!wide) {
         return NULL;
     }

app/src/stream.c

@@ -24,7 +24,7 @@
 
 static struct frame_meta *
 frame_meta_new(uint64_t pts) {
-    struct frame_meta *meta = malloc(sizeof(*meta));
+    struct frame_meta *meta = SDL_malloc(sizeof(*meta));
     if (!meta) {
         return meta;
     }
@@ -35,7 +35,7 @@ frame_meta_new(uint64_t pts) {
 
 static void
 frame_meta_delete(struct frame_meta *frame_meta) {
-    free(frame_meta);
+    SDL_free(frame_meta);
 }
 
 static bool

app/src/sys/win/command.c

@@ -44,7 +44,7 @@ cmd_execute(const char *path, const char *const argv[], HANDLE *handle) {
 #endif
     if (!CreateProcessW(NULL, wide, NULL, NULL, FALSE, flags, NULL, NULL, &si,
                         &pi)) {
-        free(wide);
+        SDL_free(wide);
         *handle = NULL;
         if (GetLastError() == ERROR_FILE_NOT_FOUND) {
             return PROCESS_ERROR_MISSING_BINARY;
@@ -52,7 +52,7 @@ cmd_execute(const char *path, const char *const argv[], HANDLE *handle) {
         return PROCESS_ERROR_GENERIC;
     }
 
-    free(wide);
+    SDL_free(wide);
     *handle = pi.hProcess;
     return PROCESS_SUCCESS;
 }