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tor_vsscanf(): Don't return -1 if '%%' doesn't match.

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tor_vsscanf() is supposed to return the current number of matches on
match failure.
This commit is contained in:
George Kadianakis
2012-04-03 16:20:24 +02:00
parent 42143979d8
commit b80728a115
3 changed files with 9 additions and 2 deletions
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src/test/test_util.c
+5 -1
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@@ -1384,7 +1384,6 @@ test_util_sscanf(void)
test_eq(-1, tor_sscanf("wrong", "%5c", s1)); /* %c cannot have a number. */
test_eq(-1, tor_sscanf("hello", "%s", s1)); /* %s needs a number. */
test_eq(-1, tor_sscanf("prettylongstring", "%999999s", s1));
test_eq(-1, tor_sscanf("We're the 99 monkeys", "We're the 99%%"));
#if 0
/* GCC thinks these two are illegal. */
test_eq(-1, tor_sscanf("prettylongstring", "%0s", s1));
@@ -1468,6 +1467,11 @@ test_util_sscanf(void)
/* Literal '%' (ie. '%%') */
test_eq(1, tor_sscanf("99% fresh", "%3u%% fresh", &u1));
test_eq(99, u1);
test_eq(0, tor_sscanf("99 fresh", "%% %3u %s", &u1, s1));
test_eq(1, tor_sscanf("99 fresh", "%3u%% %s", &u1, s1));
test_eq(2, tor_sscanf("99 fresh", "%3u %5s %%", &u1, s1));
test_eq(99, u1);
test_streq(s1, "fresh");
test_eq(1, tor_sscanf("% boo", "%% %3s", s1));
test_streq("boo", s1);