From bbe8afcbd436a1aa81090042f461da6999de3296 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Mon, 8 Aug 2022 06:57:39 +0200
Subject: [PATCH] xfer: move and rename function xfer_filename_crc32 to
 xfer-file.c

---
 src/plugins/xfer/xfer-file.c | 53 ++++++++++++++++++++++++++++++++++
 src/plugins/xfer/xfer-file.h |  1 +
 src/plugins/xfer/xfer.c      | 55 +-----------------------------------
 3 files changed, 55 insertions(+), 54 deletions(-)

diff --git a/src/plugins/xfer/xfer-file.c b/src/plugins/xfer/xfer-file.c
index 67c7c78fa..6f69c7c23 100644
--- a/src/plugins/xfer/xfer-file.c
+++ b/src/plugins/xfer/xfer-file.c
@@ -36,6 +36,59 @@
 #include "xfer-config.h"
 
 
+/*
+ * Searches CRC32 in a filename.
+ *
+ * If more than one CRC32 are found, the last one is returned
+ * (with the higher index in filename).
+ *
+ * The chars before/after CRC32 must be either beginning/end of string or
+ * non-hexadecimal chars.
+ *
+ * Examples:
+ *
+ *   test_filename     => NULL (not found: no CRC32)
+ *   test_1234abcd     => "1234abcd"
+ *   1234abcd_test     => "1234abcd"
+ *   1234abcd_12345678 => "12345678"
+ *   123456781234abcd  => NULL (not found: missing delimiter around CRC32)
+ *
+ * Returns pointer to last CRC32 in string, NULL if no CRC32 was found.
+ */
+
+const char *
+xfer_file_search_crc32 (const char *filename)
+{
+    int length;
+    const char *ptr_string, *ptr_crc32;
+
+    length = 0;
+    ptr_crc32 = NULL;
+
+    ptr_string = filename;
+    while (ptr_string && ptr_string[0])
+    {
+        if (((ptr_string[0] >= '0') && (ptr_string[0] <= '9'))
+            || ((ptr_string[0] >= 'A') && (ptr_string[0] <= 'F'))
+            || ((ptr_string[0] >= 'a') && (ptr_string[0] <= 'f')))
+        {
+            length++;
+        }
+        else
+        {
+            if (length == 8)
+                ptr_crc32 = ptr_string - 8;
+            length = 0;
+        }
+
+        ptr_string = weechat_utf8_next_char (ptr_string);
+    }
+    if (length == 8)
+        ptr_crc32 = ptr_string - 8;
+
+    return ptr_crc32;
+}
+
 /*
  * Resumes a download.
  *
diff --git a/src/plugins/xfer/xfer-file.h b/src/plugins/xfer/xfer-file.h
index 13a5d4499..164945315 100644
--- a/src/plugins/xfer/xfer-file.h
+++ b/src/plugins/xfer/xfer-file.h
@@ -20,6 +20,7 @@
 #ifndef WEECHAT_PLUGIN_XFER_FILE_H
 #define WEECHAT_PLUGIN_XFER_FILE_H
 
+extern const char *xfer_file_search_crc32 (const char *filename);
 extern void xfer_file_find_filename (struct t_xfer *xfer);
 extern void xfer_file_calculate_speed (struct t_xfer *xfer, int ended);
 
diff --git a/src/plugins/xfer/xfer.c b/src/plugins/xfer/xfer.c
index c068f806f..331c5f521 100644
--- a/src/plugins/xfer/xfer.c
+++ b/src/plugins/xfer/xfer.c
@@ -618,59 +618,6 @@ xfer_nick_auto_accepted (const char *server, const char *nick)
     return rc;
 }
 
-/*
- * Searches CRC32 in a filename.
- *
- * If more than one CRC32 are found, the last one is returned
- * (with the higher index in filename).
- *
- * The chars before/after CRC32 must be either beginning/end of string or
- * non-hexadecimal chars.
- *
- * Examples:
- *
- *   test_filename     => -1 (not found: no CRC32)
- *   test_1234abcd     => 5  ("1234abcd")
- *   1234abcd_test     => 0  ("1234abcd")
- *   1234abcd_12345678 => 9  ("12345678")
- *   123456789abcdef   => -1 (not found: missing delimiter around CRC32)
- *
- * Returns pointer to last CRC32 in string, NULL if no CRC32 was found.
- */
-
-const char *
-xfer_filename_crc32 (const char *filename)
-{
-    int length;
-    const char *ptr_string, *ptr_crc32;
-
-    length = 0;
-    ptr_crc32 = NULL;
-
-    ptr_string = filename;
-    while (ptr_string && ptr_string[0])
-    {
-        if (((ptr_string[0] >= '0') && (ptr_string[0] <= '9'))
-            || ((ptr_string[0] >= 'A') && (ptr_string[0] <= 'F'))
-            || ((ptr_string[0] >= 'a') && (ptr_string[0] <= 'f')))
-        {
-            length++;
-        }
-        else
-        {
-            if (length == 8)
-                ptr_crc32 = ptr_string - 8;
-            length = 0;
-        }
-
-        ptr_string = weechat_utf8_next_char (ptr_string);
-    }
-    if (length == 8)
-        ptr_crc32 = ptr_string - 8;
-
-    return ptr_crc32;
-}
-
 /*
  * Adds a xfer to list.
  *
@@ -762,7 +709,7 @@ xfer_new (const char *plugin_name, const char *plugin_id,
     if ((type == XFER_TYPE_FILE_RECV)
         && weechat_config_boolean (xfer_config_file_auto_check_crc32))
     {
-        ptr_crc32 = xfer_filename_crc32 (new_xfer->filename);
+        ptr_crc32 = xfer_file_search_crc32 (new_xfer->filename);
         if (ptr_crc32)
         {
             new_xfer->hash_handle = malloc (sizeof (gcry_md_hd_t));