X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/5b56cc19fbd5ed6626a091aa9c5af7fa371dc73a..d2094cc33dd87229f453176918e4ae2c2536f88e:/generator.c

diff --git a/generator.c b/generator.c
index 1ab2bddf..767e86c7 100644
--- a/generator.c
+++ b/generator.c
@@ -1,5 +1,6 @@
-/* 
-   Copyright (C) Andrew Tridgell 1996
+/* -*- c-file-style: "linux" -*-
+   
+   Copyright (C) 1996-2000 by Andrew Tridgell 
    Copyright (C) Paul Mackerras 1996
    
    This program is free software; you can redistribute it and/or modify
@@ -55,7 +56,7 @@ static int skip_file(char *fname,
 
 		if (compare_dest != NULL) {
 			if (access(fname, 0) != 0) {
-				slprintf(fnamecmpdest,MAXPATHLEN,"%s/%s",
+				snprintf(fnamecmpdest,MAXPATHLEN,"%s/%s",
 						    compare_dest,fname);
 				fname = fnamecmpdest;
 			}
@@ -176,6 +177,15 @@ static struct sum_struct *generate_sums(struct map_struct *buf,OFF_T len,int n)
 }
 
 
+
+/*
+ * Acts on file number I from FLIST, whose name is fname.
+ *
+ * First fixes up permissions, then generates checksums for the file.
+ *
+ * (This comment was added later by mbp who was trying to work it out;
+ * it might be wrong.)
+ */ 
 void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 {  
 	int fd;
@@ -214,10 +224,17 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 	}
 
 	if (S_ISDIR(file->mode)) {
+                /* The file to be received is a directory, so we need
+                 * to prepare appropriately.  If there is already a
+                 * file of that name and it is *not* a directory, then
+                 * we need to delete it.  If it doesn't exist, then
+                 * recursively create it. */
+          
 		if (dry_run) return;
 		if (statret == 0 && !S_ISDIR(st.st_mode)) {
 			if (robust_unlink(fname) != 0) {
-				rprintf(FERROR,"unlink %s : %s\n",fname,strerror(errno));
+				rprintf(FERROR,"recv_generator: unlink %s: %s\n",
+                                        fname,strerror(errno));
 				return;
 			}
 			statret = -1;
@@ -226,7 +243,7 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 			if (!(relative_paths && errno==ENOENT && 
 			      create_directory_path(fname)==0 && 
 			      do_mkdir(fname,file->mode)==0)) {
-				rprintf(FERROR,"mkdir %s : %s (2)\n",
+				rprintf(FERROR,"recv_generator: mkdir %s: %s (2)\n",
 					fname,strerror(errno));
 			}
 		}
@@ -312,7 +329,7 @@ void recv_generator(char *fname,struct file_list *flist,int i,int f_out)
 	if ((statret == -1) && (compare_dest != NULL)) {
 		/* try the file at compare_dest instead */
 		int saveerrno = errno;
-		slprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",compare_dest,fname);
+		snprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",compare_dest,fname);
 		statret = link_stat(fnamecmpbuf,&st);
 		if (!S_ISREG(st.st_mode))
 			statret = -1;
@@ -422,6 +439,8 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
 		   them. This is then fixed after the files are transferred */
 		if (!am_root && S_ISDIR(file->mode)) {
 			file->mode |= S_IWUSR; /* user write */
+                        /* XXX: Could this be causing a problem on SCO?  Perhaps their
+                         * handling of permissions is strange? */
 		}
 
 		recv_generator(local_name?local_name:f_name(file),