X-Git-Url: https://mattmccutchen.net/rsync/rsync-patches.git/blobdiff_plain/03019e41fc3299020c8acdda06cf57a1e2c57a25..a75921111fdf7354d07296084231945f01b3c644:/early-checksum.diff

diff --git a/early-checksum.diff b/early-checksum.diff
index 948b1ed..ccdada2 100644
--- a/early-checksum.diff
+++ b/early-checksum.diff
@@ -24,17 +24,16 @@ To use this patch, run these commands for a successful build:
  extern int module_id;
  extern int ignore_errors;
  extern int numeric_ids;
-@@ -697,6 +698,16 @@ static struct file_struct *receive_file_
- 			sum = empty_sum;
- 		}
- 		read_buf(f, sum, checksum_len);
-+		if (pre_checksum) {
-+			char sum2[MD4_SUM_LENGTH];
+@@ -785,6 +786,15 @@ static struct file_struct *recv_file_ent
+ 			memcpy(bp, F_SUM(first), checksum_len);
+ 		} else
+ 			read_buf(f, bp, checksum_len);
++		if (pre_checksum && sum_len) {
 +			STRUCT_STAT st;
 +			char *fname = f_name(file, NULL);
 +			if (stat(fname, &st) == 0 && st.st_size == file_length) {
-+				file_checksum(fname, sum2, st.st_size);
-+				if (memcmp(sum, sum2, checksum_len) != 0)
++				file_checksum(fname, tmp_sum, st.st_size);
++				if (memcmp(bp, tmp_sum, checksum_len) != 0)
 +					file->flags |= FLAG_SUM_DIFFERS;
 +			}
 +		}
@@ -51,7 +50,7 @@ To use this patch, run these commands for a successful build:
  extern int checksum_len;
  extern char *partial_dir;
  extern char *basis_dir[];
-@@ -376,7 +377,8 @@ void itemize(struct file_struct *file, i
+@@ -577,7 +578,8 @@ void itemize(struct file_struct *file, i
  
  
  /* Perform our quick-check heuristic for determining if a file is unchanged. */
@@ -59,18 +58,18 @@ To use this patch, run these commands for a successful build:
 +int unchanged_file(char *fn, int fnamecmp_type, struct file_struct *file,
 +		   STRUCT_STAT *st)
  {
- 	if (st->st_size != file->length)
+ 	if (st->st_size != F_LENGTH(file))
  		return 0;
-@@ -385,6 +387,8 @@ int unchanged_file(char *fn, struct file
+@@ -586,6 +588,8 @@ int unchanged_file(char *fn, struct file
  	   of the file time to determine whether to sync */
  	if (always_checksum && S_ISREG(st->st_mode)) {
  		char sum[MD4_SUM_LENGTH];
 +		if (pre_checksum && fnamecmp_type == FNAMECMP_FNAME)
 +			return !(file->flags & FLAG_SUM_DIFFERS);
  		file_checksum(fn, sum, st->st_size);
- 		return memcmp(sum, file->u.sum, checksum_len) == 0;
+ 		return memcmp(sum, F_SUM(file), checksum_len) == 0;
  	}
-@@ -622,7 +626,7 @@ static int try_dests_reg(struct file_str
+@@ -825,7 +829,7 @@ static int try_dests_reg(struct file_str
  			match_level = 1;
  			/* FALL THROUGH */
  		case 1:
@@ -79,7 +78,7 @@ To use this patch, run these commands for a successful build:
  				continue;
  			best_match = j;
  			match_level = 2;
-@@ -1215,7 +1219,7 @@ static void recv_generator(char *fname, 
+@@ -1511,7 +1515,7 @@ static void recv_generator(char *fname, 
  		;
  	else if (fnamecmp_type == FNAMECMP_FUZZY)
  		;
@@ -90,15 +89,15 @@ To use this patch, run these commands for a successful build:
  			handle_partial_dir(partialptr, PDIR_DELETE);
 --- old/hlink.c
 +++ new/hlink.c
-@@ -224,7 +224,7 @@ int hard_link_check(struct file_struct *
- 						}
- 						break;
- 					}
--					if (!unchanged_file(cmpbuf, file, &st3))
-+					if (!unchanged_file(cmpbuf, 0, file, &st3))
- 						continue;
- 					statret = 1;
- 					st = &st3;
+@@ -448,7 +448,7 @@ int hard_link_check(struct file_struct *
+ 				}
+ 				break;
+ 			}
+-			if (!unchanged_file(cmpbuf, file, &alt_st))
++			if (!unchanged_file(cmpbuf, 0, file, &alt_st))
+ 				continue;
+ 			statret = 1;
+ 			*stp = alt_st;
 --- old/main.c
 +++ new/main.c
 @@ -47,6 +47,7 @@ extern int copy_dirlinks;
@@ -119,7 +118,7 @@ To use this patch, run these commands for a successful build:
  int local_server = 0;
  int new_root_dir = 0;
  mode_t orig_umask = 0;
-@@ -784,6 +788,7 @@ static void do_server_recv(int f_in, int
+@@ -788,6 +792,7 @@ static void do_server_recv(int f_in, int
  	struct file_list *flist;
  	char *local_name = NULL;
  	char *dir = NULL;
@@ -127,7 +126,7 @@ To use this patch, run these commands for a successful build:
  	int save_verbose = verbose;
  
  	if (filesfrom_fd >= 0) {
-@@ -827,6 +832,10 @@ static void do_server_recv(int f_in, int
+@@ -831,6 +836,10 @@ static void do_server_recv(int f_in, int
  		filesfrom_fd = -1;
  	}
  
@@ -138,7 +137,7 @@ To use this patch, run these commands for a successful build:
  	flist = recv_file_list(f_in);
  	verbose = save_verbose;
  	if (!flist) {
-@@ -835,6 +844,9 @@ static void do_server_recv(int f_in, int
+@@ -839,6 +848,9 @@ static void do_server_recv(int f_in, int
  	}
  	the_file_list = flist;
  
@@ -148,7 +147,7 @@ To use this patch, run these commands for a successful build:
  	if (argc > 0)
  		local_name = get_local_name(flist,argv[0]);
  
-@@ -916,6 +928,7 @@ int client_run(int f_in, int f_out, pid_
+@@ -918,6 +930,7 @@ int client_run(int f_in, int f_out, pid_
  {
  	struct file_list *flist = NULL;
  	int exit_code = 0, exit_code2 = 0;
@@ -156,7 +155,7 @@ To use this patch, run these commands for a successful build:
  	char *local_name = NULL;
  
  	cleanup_child_pid = pid;
-@@ -990,11 +1003,18 @@ int client_run(int f_in, int f_out, pid_
+@@ -992,11 +1005,18 @@ int client_run(int f_in, int f_out, pid_
  		filesfrom_fd = -1;
  	}
  
@@ -177,11 +176,11 @@ To use this patch, run these commands for a successful build:
  
 --- old/rsync.h
 +++ new/rsync.h
-@@ -65,6 +65,7 @@
- #define FLAG_HLINK_TOL (1<<4)	/* receiver/generator */
- #define FLAG_NO_FUZZY (1<<5)	/* generator */
- #define FLAG_MISSING (1<<6)	/* generator */
-+#define FLAG_SUM_DIFFERS (1<<7)	/* receiver/generator */
+@@ -68,6 +68,7 @@
+ #define FLAG_HLINK_LAST (1<<7)	/* receiver/generator */
+ #define FLAG_HLINK_DONE (1<<8)	/* receiver/generator */
+ #define FLAG_LENGTH64 (1<<9)	/* sender/receiver/generator */
++#define FLAG_SUM_DIFFERS (1<<10)/* receiver/generator */
  
- /* update this if you make incompatible changes */
- #define PROTOCOL_VERSION 29
+ #define BITS_SET(val,bits) (((val) & (bits)) == (bits))
+ #define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))