1 files changed, 24 insertions, 0 deletions
diff --git a/source/a/rpm2tgz/rpmoffset.c b/source/a/rpm2tgz/rpmoffset.c
new file mode 100644
index 00000000..57af397c
--- /dev/null
+++ b/source/a/rpm2tgz/rpmoffset.c
@@ -0,0 +1,24 @@
+
+/* Find how deeply inside an .RPM the real data is */
+/* kept, and report the offset in bytes */
+
+/* Wouldn't it be a lot more sane if we could just untar these things? */
+
+#include <stdlib.h>
+
+/* These offsets keep getting bigger, so we're going to just bite a 2MB */
+/* chunk of RAM right away so that we have enough.  Yeah, horrible */
+/* quick and dirty implementation, but hey -- it gets the job done. */
+
+#define RPMBUFSIZ 2097152
+
+main()
+{
+        char *buff = malloc(RPMBUFSIZ),*eb,*p;
+        for (p = buff, eb = buff + read(0,buff,RPMBUFSIZ); p < eb; p++)
+                if ((*p == '\037' && p[1] == '\213' && p[2] == '\010') ||
+                   (*p == 'B' && p[1] == 'Z' && p[2] == 'h' && '1' <= p[3] && p[3] <= '9' ))
+                        printf("%d\n",p - buff),
+                        exit(0);
+        exit(1);
+}