Renamed demo files to be explicit about functionality.

demo/extracttexture.c

@@ -0,0 +1,44 @@
+#include "common.h"
+#include "devil1tex.h"
+
+void extracttextures(const char *filedata,
+                    unsigned int filesize,
+                    const char *filename) {
+    struct TexturePack *p = NULL;
+    struct Texture *t     = NULL;
+    struct TextureBatchDescriptor *d = NULL;
+    char * fmt            = NULL;
+    if (filedata == NULL || filesize == 0) {
+        return;
+    }
+    p = (struct TexturePack*)filedata;
+    fmt = (char*)malloc(strlen(filename) + 3 + 4);
+    unsigned int i;
+    unsigned int j;
+    unsigned int id = 0;
+    for (i = 0; i < p -> batchNumber; i++) {
+        DEVIL1TEX.getbatchdesc(&d, i, filedata, filesize);
+        t = (struct Texture*)
+                malloc(sizeof(struct Texture) * (d -> texNumber));
+        DEVIL1TEX.gettextures(t, i, filedata, filesize);
+        for (j = 0; j < d -> texNumber; j++) {
+            sprintf(fmt, "%s_%d.dds", filename, id);
+            write(fmt, t[j].data, d -> textureSize);
+            id++;
+        }
+        free(t);
+    }
+    free(fmt);
+    return;
+}
+
+int main(int argc, char ** argv) {
+    char *f = argv[1];
+    unsigned int bufsize = 0;
+    char *buffer         = loadfile(f, &bufsize);
+    extracttextures(buffer, bufsize, f);
+    free(buffer);
+    return 0;
+}
+
+