Writer example

README.md

@@ -97,7 +97,45 @@ The library is meant to be embedded directly into another project.
 
 ## Writing example
 
-    TBA
+    #include"eebie/writer.h"
+
+    #include<stdio.h>
+    #include<stdlib.h>
+
+    static void *on_alloc(EBMLWriter *w, void *p, size_t sz) {
+        return realloc(p, sz);
+    }
+
+    static size_t on_write(EBMLWriter *w, const void *p, size_t sz) {
+        FILE *fp = w->ud;
+        
+        return fwrite(p, 1, sz, fp);
+    }
+
+    int main() {
+        EBMLWriter w;
+        ebml_writer_init(&w);
+        
+        FILE *output = fopen("test.ebml", "wb");
+        w.ud = output;
+        
+        w.eventWrite = on_write;
+        w.eventAlloc = on_alloc;
+        
+        ebml_writer_push(&w, 0x1A45DFA3);
+            ebml_writer_put(&w, 0x4286, EBML_UNSIGNED_INTEGER, (EBMLPrimitive) {.uInt = 1});
+            ebml_writer_put(&w, 0x4282, EBML_STRING, (EBMLPrimitive) {.string = "excrement"});
+        ebml_writer_pop(&w);
+        
+        // Unknown-sized element must not have corresponding pop
+        ebml_writer_push_ind(&w, 0x18538067);
+        
+        ebml_writer_put(&w, 0x4123, EBML_STRING, (EBMLPrimitive) {.string = "yodel"});
+        
+        while(!ebml_writer_flush(&w));
+        
+        fclose(output);
+    }
 
 ## `schemagen`