Merge branch 'jc/maint-blame-no-such-path' into maint

diff --git a/vcs-svn/fast_export.c b/vcs-svn/fast_export.c
index 19d7c34c25d7b41e5920ad252784b23771321392..1f04697866bd481e24f17e0833c1c2d29c8e12e2 100644 (file)
--- a/vcs-svn/fast_export.c
+++ b/vcs-svn/fast_export.c
@@ -42,11 +42,6 @@ void fast_export_deinit(void)
                die_errno("error closing fast-import feedback stream");
 }
 
-void fast_export_reset(void)
-{
-       buffer_reset(&report_buffer);
-}
-
 void fast_export_delete(const char *path)
 {
        putchar('D');
@@ -163,7 +158,7 @@ static int parse_cat_response_line(const char *header, off_t *len)
 
        if (ends_with(header, headerlen, " missing"))
                return error("cat-blob reports missing blob: %s", header);
-       type = memmem(header, headerlen, " blob ", strlen(" blob "));
+       type = strstr(header, " blob ");
        if (!type)
                return error("cat-blob header has wrong object type: %s", header);
        n = strtoumax(type + strlen(" blob "), (char **) &end, 10);
@@ -227,15 +222,18 @@ static long apply_delta(off_t len, struct line_buffer *input,
        return ret;
 }
 
-void fast_export_data(uint32_t mode, uint32_t len, struct line_buffer *input)
+void fast_export_data(uint32_t mode, off_t len, struct line_buffer *input)
 {
+       assert(len >= 0);
        if (mode == REPO_MODE_LNK) {
                /* svn symlink blobs start with "link " */
+               if (len < 5)
+                       die("invalid dump: symlink too short for \"link\" prefix");
                len -= 5;
                if (buffer_skip_bytes(input, 5) != 5)
                        die_short_read(input);
        }
-       printf("data %"PRIu32"\n", len);
+       printf("data %"PRIuMAX"\n", (uintmax_t) len);
        if (buffer_copy_bytes(input, len) != len)
                die_short_read(input);
        fputc('\n', stdout);
@@ -256,7 +254,7 @@ static int parse_ls_response(const char *response, uint32_t *mode,
        }
 
        /* Mode. */
-       if (response_end - response < strlen("100644") ||
+       if (response_end - response < (signed) strlen("100644") ||
            response[strlen("100644")] != ' ')
                die("invalid ls response: missing mode: %s", response);
        *mode = 0;
@@ -269,7 +267,7 @@ static int parse_ls_response(const char *response, uint32_t *mode,
        }
 
        /* ' blob ' or ' tree ' */
-       if (response_end - response < strlen(" blob ") ||
+       if (response_end - response < (signed) strlen(" blob ") ||
            (response[1] != 'b' && response[1] != 't'))
                die("unexpected ls response: not a tree or blob: %s", response);
        response += strlen(" blob ");
@@ -297,12 +295,12 @@ int fast_export_ls(const char *path, uint32_t *mode, struct strbuf *dataref)
 
 void fast_export_blob_delta(uint32_t mode,
                                uint32_t old_mode, const char *old_data,
-                               uint32_t len, struct line_buffer *input)
+                               off_t len, struct line_buffer *input)
 {
        long postimage_len;
-       if (len > maximum_signed_value_of_type(off_t))
-               die("enormous delta");
-       postimage_len = apply_delta((off_t) len, input, old_data, old_mode);
+
+       assert(len >= 0);
+       postimage_len = apply_delta(len, input, old_data, old_mode);
        if (mode == REPO_MODE_LNK) {
                buffer_skip_bytes(&postimage, strlen("link "));
                postimage_len -= strlen("link ");