Bemanitools v5.26 release

src/main/launcher/property.c

@@ -0,0 +1,79 @@
+#include <windows.h>
+
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "imports/avs.h"
+
+#include "launcher/property.h"
+
+#include "util/log.h"
+#include "util/mem.h"
+
+static int boot_property_fread(uint32_t context, void *bytes, size_t nbytes)
+{
+    FILE *f;
+
+    f = TlsGetValue(context);
+
+    return fread(bytes, 1, nbytes, f);
+}
+
+struct property *boot_property_load(const char *filename)
+{
+    struct property *prop;
+    void *buffer;
+    int nbytes;
+    FILE *f;
+    uint32_t f_keyhole;
+
+    /* AVS callbacks are only given a 32-bit context parameter, even in 64-bit
+       builds of AVS. We allocate a 32-bit TLS key and pass the context in this
+       manner instead. Inefficient, but it works. */
+
+    f = fopen(filename, "r");
+
+    f_keyhole = TlsAlloc();
+    TlsSetValue(f_keyhole, f);
+
+    if (f == NULL) {
+        log_fatal("%s: Error opening configuration file", filename);
+    }
+
+    nbytes = property_read_query_memsize(boot_property_fread, f_keyhole, 0, 0);
+
+    if (nbytes < 0) {
+        log_fatal("%s: Error parsing configuration file", filename);
+    }
+
+    buffer = xmalloc(nbytes);
+    prop = property_create(
+                    PROPERTY_FLAG_READ |
+                    PROPERTY_FLAG_WRITE |
+                    PROPERTY_FLAG_CREATE |
+                    PROPERTY_FLAG_APPEND,
+            buffer,
+            nbytes);
+    rewind(f);
+
+    if (!property_insert_read(prop, 0, boot_property_fread, f_keyhole)) {
+        log_fatal("%s: Error parsing configuration file", filename);
+    }
+
+    TlsFree(f_keyhole);
+
+    fclose(f);
+
+    return prop;
+}
+
+void boot_property_free(struct property *prop)
+{
+    void *buffer;
+
+    buffer = property_desc_to_buffer(prop);
+    property_destroy(prop);
+    free(buffer);
+}
+