commit 004a9c6dd11ba71f310b750f00d5ed403faceb5a Author: Nick Mathewson <nickm@torproject.org> Date: Thu Oct 10 11:15:35 2013 -0400 Fix unit test for format_helper_exit_status Fix format_helper_exit_status to allow full HEX_ERRNO_SIZE answers, *and* increase the buffer length again. --- src/common/util.c | 4 ++-- src/test/test_util.c | 1 + 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/src/common/util.c b/src/common/util.c index 5b0dbcd..b16afa1 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -3294,7 +3294,7 @@ format_helper_exit_status(unsigned char child_state, int saved_errno, * Count how many chars of space we have left, and keep a pointer into the * current point in the buffer. */ - left = HEX_ERRNO_SIZE; + left = HEX_ERRNO_SIZE+1; cur = hex_errno; /* Emit child_state */ @@ -3594,7 +3594,7 @@ tor_spawn_background(const char *const filename, const char **argv, this is used for printing out the error message */ unsigned char child_state = CHILD_STATE_INIT; - char hex_errno[HEX_ERRNO_SIZE + 1]; + char hex_errno[HEX_ERRNO_SIZE + 2]; /* + 1 should be sufficient actually */ static int max_fd = -1; diff --git a/src/test/test_util.c b/src/test/test_util.c index 4f9eb73..6c72247 100644 --- a/src/test/test_util.c +++ b/src/test/test_util.c @@ -2169,6 +2169,7 @@ test_util_exit_status(void *ptr) n = format_helper_exit_status(0xFF, -0x80000000, hex_errno); test_streq("FF/-80000000\n", hex_errno); test_eq(n, strlen(hex_errno)); + test_eq(n, HEX_ERRNO_SIZE); clear_hex_errno(hex_errno); n = format_helper_exit_status(0x7F, 0, hex_errno);