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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-08-21 13:32:13 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-08-21 13:32:13 (GMT)
commitb78fdf1a82347a0cc0ffda73cf4c7ef032ff6ea3 (patch)
treee78c85594ce91102ae6d0602d4f05067645002f0 /addr2line.c
parent75e2a26b84e66496644a1a3c32067a7e17f1c7ae (diff)
addr2line.c: suppress warnings
* addr2line.c (fill_lines): check file size overflow only if it is necessary, and suppress a sign-compare warning. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36758 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'addr2line.c')
-rw-r--r--addr2line.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/addr2line.c b/addr2line.c
index b8d103e..148dbc8 100644
--- a/addr2line.c
+++ b/addr2line.c
@@ -458,11 +458,13 @@ fill_lines(int num_traces, void **traces, char **syms, int check_debuglink,
fprintf(stderr, "lseek: %s\n", strerror(e));
return;
}
- if (filesize > SIZE_MAX) {
+#if SIZEOF_OFF_T > SIZEOF_SIZE_T
+ if (filesize > (off_t)SIZE_MAX) {
close(fd);
fprintf(stderr, "Too large file %s\n", binary_filename);
return;
}
+#endif
lseek(fd, 0, SEEK_SET);
/* async-signal unsafe */
file = (char *)mmap(NULL, (size_t)filesize, PROT_READ, MAP_SHARED, fd, 0);