From: Christian Heller <c.heller@plomlompom.de>
Date: Tue, 26 Nov 2013 02:30:55 +0000 (+0100)
Subject: Removed unused code in readwrite library.
X-Git-Tag: tce~907
X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bprefix%7D%7D/static/day?a=commitdiff_plain;h=76bcc7383e9b111e02e83c2d822633cf1be88aab;p=plomrogue

Removed unused code in readwrite library.
---

diff --git a/src/readwrite.c b/src/readwrite.c
index e5db306..bfbd4f6 100644
--- a/src/readwrite.c
+++ b/src/readwrite.c
@@ -14,18 +14,8 @@
 
 /* Read/write "x" from/to "file" as bigendian representation of "size" bits. On
  * failure, return 1, else 0. (As of of now, all extern read/write functions
- * build on top of these.)
- *
- * Only use multiples of 8 greater or equal 32 for "size", so that storage
- * inside uint32_t is possible. Originally a bit number check prefaced the code
- * of both functions. It was removed as redundant due to all possible "size"
- * values being hardcoded into the library (i.e. in all extern functions calling
- * / wrapping around either function). If this ever changes, (re-)insert:
- *
- *    if (0 == size || size > 32 || 0 != size % 8)
- *    {
- *        return 1;
- *    }
+ * build on top of these.) Only use multiples of 8 greater or equal 32 for
+ * "size", so that storage inside uint32_t is possible.
  */
 static uint8_t read_uintX_bigendian(FILE * file, uint32_t * x, uint8_t size);
 static uint8_t write_uintX_bigendian(FILE * file, uint32_t x, uint8_t size);
@@ -202,17 +192,6 @@ extern uint8_t read_uint8(FILE * file, uint8_t * x)
 
 
 
-extern uint8_t read_uint16_bigendian(FILE * file, uint16_t * x)
-{
-    /* See read_uint8() introductory code comment for rationale. */
-    uint32_t y = * x;
-    uint8_t err = read_uintX_bigendian(file, &y, 16);
-    * x = (uint16_t) y;
-    return err;
-}
-
-
-
 extern uint8_t read_uint32_bigendian(FILE * file, uint32_t * x)
 {
     return read_uintX_bigendian(file, x, 32);
@@ -227,13 +206,6 @@ extern uint8_t write_uint8(uint8_t x, FILE * file)
 
 
 
-extern uint8_t write_uint16_bigendian(uint16_t x, FILE * file)
-{
-    return write_uintX_bigendian(file, x, 16);
-}
-
-
-
 extern uint8_t write_uint32_bigendian(uint32_t x, FILE * file)
 {
     return write_uintX_bigendian(file, x, 32);
diff --git a/src/readwrite.h b/src/readwrite.h
index 6f7bce3..58bf4f2 100644
--- a/src/readwrite.h
+++ b/src/readwrite.h
@@ -53,10 +53,8 @@ extern uint8_t textfile_sizes(FILE * file, uint16_t * linemax_p,
  * fgetc()/fputc() failure.
  */
 extern uint8_t read_uint8(FILE * file, uint8_t * x);
-extern uint8_t read_uint16_bigendian(FILE * file, uint16_t * x);
 extern uint8_t read_uint32_bigendian(FILE * file, uint32_t * x);
 extern uint8_t write_uint8(uint8_t x, FILE * file);
-extern uint8_t write_uint16_bigendian(uint16_t x, FILE * file);
 extern uint8_t write_uint32_bigendian(uint32_t x, FILE * file);