vcs-svn: Check for errors from open()

test-svn-fe segfaults when passed a bogus path.  Simplify debugging by
exiting with a meaningful error message instead.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/contrib/svn-fe/svn-fe.c b/contrib/svn-fe/svn-fe.c
index a2677b0..35db24f 100644 (file)
--- a/contrib/svn-fe/svn-fe.c
+++ b/contrib/svn-fe/svn-fe.c
@@ -8,7 +8,8 @@
 
 int main(int argc, char **argv)
 {
-       svndump_init(NULL);
+       if (svndump_init(NULL))
+               return 1;
        svndump_read((argc > 1) ? argv[1] : NULL);
        svndump_deinit();
        svndump_reset();

diff --git a/test-svn-fe.c b/test-svn-fe.c
index 77cf78a..b42ba78 100644 (file)
--- a/test-svn-fe.c
+++ b/test-svn-fe.c
@@ -9,7 +9,8 @@ int main(int argc, char *argv[])
 {
        if (argc != 2)
                usage("test-svn-fe <file>");
-       svndump_init(argv[1]);
+       if (svndump_init(argv[1]))
+               return 1;
        svndump_read(NULL);
        svndump_deinit();
        svndump_reset();

diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index 6b64c1b..db11851 100644 (file)
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -290,14 +290,16 @@ void svndump_read(const char *url)
                handle_revision();
 }
 
-void svndump_init(const char *filename)
+int svndump_init(const char *filename)
 {
-       buffer_init(filename);
+       if (buffer_init(filename))
+               return error("cannot open %s: %s", filename, strerror(errno));
        repo_init();
        reset_dump_ctx(~0);
        reset_rev_ctx(0);
        reset_node_ctx(NULL);
        init_keys();
+       return 0;
 }
 
 void svndump_deinit(void)

diff --git a/vcs-svn/svndump.h b/vcs-svn/svndump.h
index 93c412f..df9ceb0 100644 (file)
--- a/vcs-svn/svndump.h
+++ b/vcs-svn/svndump.h
@@ -1,7 +1,7 @@
 #ifndef SVNDUMP_H_
 #define SVNDUMP_H_
 
-void svndump_init(const char *filename);
+int svndump_init(const char *filename);
 void svndump_read(const char *url);
 void svndump_deinit(void);
 void svndump_reset(void);