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lib: Add a way to find the postiion of a trailing number

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At present it is not possible to find out which part of the string is the
number part and which is before it. Add a new variant which provides this
feature, so we can separate the two in the caller.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2022-04-24 23:30:58 -06:00
committed by Tom Rini
parent d667a0d8f4
commit 8565efd509
3 changed files with 42 additions and 3 deletions
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13
test/str_ut.c
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@@ -244,7 +244,9 @@ STR_TEST(str_xtoa, 0);
static int str_trailing(struct unit_test_state *uts)
{
char str1[] = "abc123def";
const char str1[] = "abc123def";
const char str2[] = "abc123def456";
const char *end;
ut_asserteq(-1, trailing_strtol(""));
ut_asserteq(-1, trailing_strtol("123"));
@@ -259,6 +261,15 @@ static int str_trailing(struct unit_test_state *uts)
ut_asserteq(3, trailing_strtol("a3"));
ut_asserteq(123, trailing_strtoln_end(str1, str1 + 6, &end));
ut_asserteq(3, end - str1);
ut_asserteq(-1, trailing_strtoln_end(str1, str1 + 7, &end));
ut_asserteq(7, end - str1);
ut_asserteq(456, trailing_strtoln_end(str2, NULL, &end));
ut_asserteq(9, end - str2);
return 0;
}
STR_TEST(str_trailing, 0);