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Add util function to remove trailing '\r'

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Depending on the platform and adb versions, the lines output by adb
could end with "\r\r\n". This util function helps to remove all trailing
'\r'.

PR #2827 <https://github.com/Genymobile/scrcpy/pull/2827>
This commit is contained in:
Romain Vimont 2021-11-28 22:02:40 +01:00
commit b7e631791c
3 changed files with 37 additions and 0 deletions
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15
app/tests/test_str.c
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@ -384,6 +384,20 @@ static void test_index_of_column(void) {
assert(sc_str_index_of_column(" a bc d", 1, " ") == 2);
}
static void test_remove_trailing_cr() {
char s[] = "abc\r";
sc_str_remove_trailing_cr(s, sizeof(s) - 1);
assert(!strcmp(s, "abc"));
char s2[] = "def\r\r\r\r";
sc_str_remove_trailing_cr(s2, sizeof(s2) - 1);
assert(!strcmp(s2, "def"));
char s3[] = "adb\rdef\r";
sc_str_remove_trailing_cr(s3, sizeof(s3) - 1);
assert(!strcmp(s3, "adb\rdef"));
}
int main(int argc, char *argv[]) {
(void) argc;
(void) argv;
@ -405,5 +419,6 @@ int main(int argc, char *argv[]) {
test_wrap_lines();
test_truncate();
test_index_of_column();
test_remove_trailing_cr();
return 0;
}