Move system calling code to the end

1 files changed, 37 insertions, 38 deletions

diff --git a/assembler.c b/assembler.c
index faf7bb3..3c45a7b 100644
--- a/assembler.c
+++ b/assembler.c
@@ -14,44 +14,6 @@ struct Label
   u64 cur, next;
 };
 
-/* First, the functions to call external utilities (badly written, I know). They
- * presume a filled asm_buffer. */
-
-void asm_write(const char *asm_name, vec_t *asm_buffer)
-{
-  FILE *fp = fopen(asm_name, "w");
-  fwrite(asm_buffer->data, asm_buffer->size, 1, fp);
-  fclose(fp);
-}
-
-int asm_assemble(const char *asm_name, const char *objname)
-{
-#ifdef DEBUG
-  char *format_str = "yasm -f elf64 -g dwarf2 -o %s %s";
-#else
-  char *format_str = "yasm -f elf64 -o %s %s";
-#endif
-  char command[snprintf(NULL, 0, format_str, objname, asm_name) + 1];
-  sprintf(command, format_str, objname, asm_name);
-  return system(command);
-}
-
-int asm_link(const char *objname, const char *outname)
-{
-  char *format_str = "ld -o %s %s";
-  char command[snprintf(NULL, 0, format_str, outname, objname) + 1];
-  sprintf(command, format_str, outname, objname);
-  return system(command);
-}
-
-int asm_compile(vec_t *asm_buffer, const char *asm_name, const char *objname,
-                const char *outname)
-{
-  asm_write(asm_name, asm_buffer);
-  asm_assemble(asm_name, objname);
-  return asm_link(objname, outname);
-}
-
 // A table which translates brainfuck operations into generic assembly code (I
 // love C's array indexing)
 static const struct
@@ -204,3 +166,40 @@ void asm_write_exit(vec_t *asm_buffer)
              "  syscall\n",
              37);
 }
+
+/* The system calling code - not exactly pretty, but it is what it is. */
+
+void asm_write(const char *asm_name, vec_t *asm_buffer)
+{
+  FILE *fp = fopen(asm_name, "w");
+  fwrite(asm_buffer->data, asm_buffer->size, 1, fp);
+  fclose(fp);
+}
+
+int asm_assemble(const char *asm_name, const char *objname)
+{
+#ifdef DEBUG
+  char *format_str = "yasm -f elf64 -g dwarf2 -o %s %s";
+#else
+  char *format_str = "yasm -f elf64 -o %s %s";
+#endif
+  char command[snprintf(NULL, 0, format_str, objname, asm_name) + 1];
+  sprintf(command, format_str, objname, asm_name);
+  return system(command);
+}
+
+int asm_link(const char *objname, const char *outname)
+{
+  char *format_str = "ld -o %s %s";
+  char command[snprintf(NULL, 0, format_str, outname, objname) + 1];
+  sprintf(command, format_str, outname, objname);
+  return system(command);
+}
+
+int asm_compile(vec_t *asm_buffer, const char *asm_name, const char *objname,
+                const char *outname)
+{
+  asm_write(asm_name, asm_buffer);
+  asm_assemble(asm_name, objname);
+  return asm_link(objname, outname);
+}