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[rsync.git] / exclude.c

diff --git a/exclude.c b/exclude.c
index 1b5373d3981580ee258d399e0447e6f4dd8f92fa..53852f69503afcf20be57a7df93cf3a528c1aa87 100644 (file)
--- a/exclude.c
+++ b/exclude.c
@@ -1,6 +1,7 @@
-/* 
-   Copyright (C) Andrew Tridgell 1996
-   Copyright (C) Paul Mackerras 1996
+/* -*- c-file-style: "linux" -*-
+     
+   Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
+   Copyright (C) 1996 by Paul Mackerras
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -20,6 +21,8 @@
 /* a lot of this stuff was originally derived from GNU tar, although
    it has now changed so much that it is hard to tell :) */
 
+/* include/exclude cluestick added by Martin Pool <mbp@samba.org> */
+
 #include "rsync.h"
 
 extern int verbose;
@@ -28,7 +31,7 @@ extern int delete_mode;
 static struct exclude_struct **exclude_list;
 
 /* build an exclude structure given a exclude pattern */
-static struct exclude_struct *make_exclude(char *pattern, int include)
+static struct exclude_struct *make_exclude(const char *pattern, int include)
 {
        struct exclude_struct *ret;
 
@@ -52,7 +55,17 @@ static struct exclude_struct *make_exclude(char *pattern, int include)
 
        if (strpbrk(pattern, "*[?")) {
            ret->regular_exp = 1;
-           ret->fnmatch_flags = strstr(pattern, "**") ? 0 : FNM_PATHNAME;
+           ret->fnmatch_flags = FNM_PATHNAME;
+           if (strstr(pattern, "**")) {
+                   static int tested;
+                   if (!tested) {
+                           tested = 1;
+                           if (fnmatch("a/b/*", "a/b/c/d", FNM_PATHNAME)==0) {
+                                   rprintf(FERROR,"WARNING: fnmatch FNM_PATHNAME is broken on your system\n");
+                           }
+                   }
+                   ret->fnmatch_flags = 0;
+           }
        }
 
        if (strlen(pattern) > 1 && pattern[strlen(pattern)-1] == '/') {
@@ -74,8 +87,8 @@ static void free_exclude(struct exclude_struct *ex)
        free(ex);
 }
 
-static int check_one_exclude(char *name,struct exclude_struct *ex,
-                            STRUCT_STAT *st)
+static int check_one_exclude(char *name, struct exclude_struct *ex,
+                             STRUCT_STAT *st)
 {
        char *p;
        int match_start=0;
@@ -111,32 +124,62 @@ static int check_one_exclude(char *name,struct exclude_struct *ex,
 }
 
 
-int check_exclude(char *name,struct exclude_struct **local_exclude_list,
+static void report_exclude_result(char const *name,
+                                  struct exclude_struct const *ent,
+                                  STRUCT_STAT const *st)
+{
+        /* If a trailing slash is present to match only directories,
+         * then it is stripped out by make_exclude.  So as a special
+         * case we add it back in here. */
+        
+        if (verbose >= 2)
+                rprintf(FINFO, "%s %s %s because of pattern %s%s\n",
+                        ent->include ? "including" : "excluding",
+                        S_ISDIR(st->st_mode) ? "directory" : "file",
+                        name, ent->pattern,
+                        ent->directory ? "/" : "");
+}
+
+
+/*
+ * Return true if file NAME is defined to be excluded by either
+ * LOCAL_EXCLUDE_LIST or the globals EXCLUDE_LIST.
+ */
+int check_exclude(char *name, struct exclude_struct **local_exclude_list,
                  STRUCT_STAT *st)
 {
        int n;
+        struct exclude_struct *ent;
 
        if (name && (name[0] == '.') && !name[1])
                /* never exclude '.', even if somebody does --exclude '*' */
                return 0;
 
        if (exclude_list) {
-               for (n=0; exclude_list[n]; n++)
-                       if (check_one_exclude(name,exclude_list[n],st))
-                               return !exclude_list[n]->include;
+               for (n=0; exclude_list[n]; n++) {
+                        ent = exclude_list[n];
+                       if (check_one_exclude(name, ent, st)) {
+                                report_exclude_result(name, ent, st);
+                               return !ent->include;
+                        }
+                }
        }
 
        if (local_exclude_list) {
-               for (n=0; local_exclude_list[n]; n++)
-                       if (check_one_exclude(name,local_exclude_list[n],st))
-                               return !local_exclude_list[n]->include;
+               for (n=0; local_exclude_list[n]; n++) {
+                        ent = local_exclude_list[n];
+                       if (check_one_exclude(name, ent, st)) {
+                                report_exclude_result(name, ent, st);
+                               return !ent->include;
+                        }
+                }
        }
 
        return 0;
 }
 
 
-void add_exclude_list(char *pattern,struct exclude_struct ***list, int include)
+void add_exclude_list(const char *pattern, struct exclude_struct ***list, int include)
 {
        int len=0;
        if (list && *list)
@@ -164,12 +207,12 @@ void add_exclude_list(char *pattern,struct exclude_struct ***list, int include)
        (*list)[len+1] = NULL;
 }
 
-void add_exclude(char *pattern, int include)
+void add_exclude(const char *pattern, int include)
 {
        add_exclude_list(pattern,&exclude_list, include);
 }
 
-struct exclude_struct **make_exclude_list(char *fname,
+struct exclude_struct **make_exclude_list(const char *fname,
                                          struct exclude_struct **list1,
                                          int fatal, int include)
 {
@@ -178,7 +221,10 @@ struct exclude_struct **make_exclude_list(char *fname,
        char line[MAXPATHLEN];
        if (!f) {
                if (fatal) {
-                       rprintf(FERROR,"%s : %s\n",fname,strerror(errno));
+                       rsyserr(FERROR, errno,
+                                "failed to open %s file %s",
+                                include ? "include" : "exclude",
+                                fname);
                        exit_cleanup(RERR_FILEIO);
                }
                return list;
@@ -200,7 +246,7 @@ struct exclude_struct **make_exclude_list(char *fname,
 }
 
 
-void add_exclude_file(char *fname,int fatal,int include)
+void add_exclude_file(const char *fname, int fatal, int include)
 {
        if (!fname || !*fname) return;
 
@@ -212,6 +258,12 @@ void send_exclude_list(int f)
 {
        int i;
        extern int remote_version;
+       extern int list_only, recurse;
+
+       /* this is a complete hack - blame Rusty */
+       if (list_only && !recurse) {
+               add_exclude("/*/*", 0);
+       }
 
        if (!exclude_list) {
                write_int(f,0);
@@ -346,7 +398,7 @@ void add_cvs_excludes(void)
                add_exclude(cvs_ignore_list[i], 0);
 
        if ((p=getenv("HOME")) && strlen(p) < (MAXPATHLEN-12)) {
-               slprintf(fname,sizeof(fname), "%s/.cvsignore",p);
+               snprintf(fname,sizeof(fname), "%s/.cvsignore",p);
                add_exclude_file(fname,0,0);
        }