X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/07e9500818c26d7cfd1a3e251f3fcf509f7b9967..931a979904a17a28af6265b60a088824edb78fa7:/sender.c

diff --git a/sender.c b/sender.c
index 37927b41..212ceba0 100644
--- a/sender.c
+++ b/sender.c
@@ -28,9 +28,18 @@ extern int dry_run;
 extern int am_server;
 
 
-/*
-  receive the checksums for a buffer
-  */
+/**
+ * @file
+ *
+ * The sender gets checksums from the generator, calculates deltas,
+ * and transmits them to the receiver.  The sender process runs on the
+ * machine holding the source files.
+ **/
+
+
+/**
+ * Receive the checksums for a buffer
+ **/
 static struct sum_struct *receive_sums(int f)
 {
 	struct sum_struct *s;
@@ -46,8 +55,8 @@ static struct sum_struct *receive_sums(int f)
 	s->sums = NULL;
 
 	if (verbose > 3)
-		rprintf(FINFO,"count=%d n=%d rem=%d\n",
-			s->count,s->n,s->remainder);
+		rprintf(FINFO,"count=%ld n=%ld rem=%ld\n",
+			(long) s->count, (long) s->n, (long) s->remainder);
 
 	if (s->count == 0) 
 		return(s);
@@ -55,14 +64,14 @@ static struct sum_struct *receive_sums(int f)
 	s->sums = (struct sum_buf *)malloc(sizeof(s->sums[0])*s->count);
 	if (!s->sums) out_of_memory("receive_sums");
 
-	for (i=0;i<s->count;i++) {
+	for (i=0; i < (int) s->count;i++) {
 		s->sums[i].sum1 = read_int(f);
 		read_buf(f,s->sums[i].sum2,csum_length);
 
 		s->sums[i].offset = offset;
 		s->sums[i].i = i;
 
-		if (i == s->count-1 && s->remainder != 0) {
+		if (i == (int) s->count-1 && s->remainder != 0) {
 			s->sums[i].len = s->remainder;
 		} else {
 			s->sums[i].len = s->n;
@@ -83,9 +92,9 @@ static struct sum_struct *receive_sums(int f)
 
 void send_files(struct file_list *flist,int f_out,int f_in)
 { 
-	int fd;
+	int fd = -1;
 	struct sum_struct *s;
-	struct map_struct *buf;
+	struct map_struct *buf = NULL;
 	STRUCT_STAT st;
 	char fname[MAXPATHLEN];  
 	int i;
@@ -159,53 +168,52 @@ void send_files(struct file_list *flist,int f_out,int f_in)
 		initial_stats = stats;
 
 		s = receive_sums(f_in);
-		if (write_batch) /* dw */
-		    write_batch_csum_info(&i,flist->count,s);
 		if (!s) {
 			io_error = 1;
 			rprintf(FERROR,"receive_sums failed\n");
 			return;
 		}
+
+		if (write_batch)
+		    write_batch_csum_info(&i,flist->count,s);
 	  
 		if (!read_batch) {
-		fd = do_open(fname, O_RDONLY, 0);
-		if (fd == -1) {
-			io_error = 1;
-			rprintf(FERROR,"send_files failed to open %s: %s\n",
-				fname,strerror(errno));
-			free_sums(s);
-			continue;
-		}
+			fd = do_open(fname, O_RDONLY, 0);
+			if (fd == -1) {
+				io_error = 1;
+				rprintf(FERROR,"send_files failed to open %s: %s\n",
+					fname,strerror(errno));
+				free_sums(s);
+				continue;
+			}
 	  
-		/* map the local file */
-		if (do_fstat(fd,&st) != 0) {
-			io_error = 1;
-			rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
-			free_sums(s);
-			close(fd);
-			return;
-		}
+			/* map the local file */
+			if (do_fstat(fd,&st) != 0) {
+				io_error = 1;
+				rprintf(FERROR,"fstat failed : %s\n",strerror(errno));
+				free_sums(s);
+				close(fd);
+				return;
+			}
 	  
-		if (st.st_size > 0) {
-			buf = map_file(fd,st.st_size);
-		} else {
-			buf = NULL;
-		}
+			if (st.st_size > 0) {
+				buf = map_file(fd,st.st_size);
+			} else {
+				buf = NULL;
+			}
 	  
-		if (verbose > 2)
-			rprintf(FINFO,"send_files mapped %s of size %.0f\n",
-				fname,(double)st.st_size);
-		}
+			if (verbose > 2)
+				rprintf(FINFO,"send_files mapped %s of size %.0f\n",
+					fname,(double)st.st_size);
 
-		if (!read_batch) { /* dw */
-		    write_int(f_out,i);
+			write_int(f_out,i);
 	  
-		    if (write_batch)
-			write_batch_delta_file((char *)&i,sizeof(i));
+			if (write_batch)
+				write_batch_delta_file((char *)&i,sizeof(i));
 
-		    write_int(f_out,s->count);
-		    write_int(f_out,s->n);
-		    write_int(f_out,s->remainder);
+			write_int(f_out,s->count);
+			write_int(f_out,s->n);
+			write_int(f_out,s->remainder);
 		}
 	  
 		if (verbose > 2)