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author | Marco Paland <marco@paland.com> | 2018-06-24 13:07:52 +0200 |
---|---|---|
committer | Marco Paland <marco@paland.com> | 2018-06-24 13:07:52 +0200 |
commit | 810cb2b29053d84c38a4b8b7e40431137902d002 (patch) | |
tree | f4d51fe68b8a2850e75b3e5890ec37e47a642dd7 | |
parent | 175e466d92d90487ad12149eb4068cb183c28051 (diff) | |
download | printf-810cb2b29053d84c38a4b8b7e40431137902d002.tar.gz printf-810cb2b29053d84c38a4b8b7e40431137902d002.tar.bz2 printf-810cb2b29053d84c38a4b8b7e40431137902d002.zip |
fix(printf): suppress terminating \0 in printf() output
Closes #19
-rw-r--r-- | printf.c | 4 | ||||
-rw-r--r-- | test/test_suite.cpp | 3 |
2 files changed, 5 insertions, 2 deletions
@@ -104,7 +104,9 @@ static inline void _out_null(char character, char* buffer, size_t idx, size_t ma static inline void _out_char(char character, char* buffer, size_t idx, size_t maxlen)
{
(void)buffer; (void)idx; (void)maxlen;
- _putchar(character);
+ if (character) {
+ _putchar(character);
+ }
}
diff --git a/test/test_suite.cpp b/test/test_suite.cpp index 1251212..53482ab 100644 --- a/test/test_suite.cpp +++ b/test/test_suite.cpp @@ -55,11 +55,12 @@ void _out_fct(char character, void* arg) }
-
TEST_CASE("printf", "[]" ) {
printf_idx = 0U;
memset(printf_buffer, 0xCC, 100U);
REQUIRE(test::printf("% d", 4232) == 5);
+ REQUIRE(printf_buffer[5] == (char)0xCC);
+ printf_buffer[5] = 0;
REQUIRE(!strcmp(printf_buffer, " 4232"));
}
|