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api: add functions to parse integer numbers

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New functions:

- util_parse_int
- util_parse_long
- util_parse_longlong
This commit is contained in:
Sébastien Helleu
2025-11-12 20:24:00 +01:00
parent 4ab11b7705
commit 1c53d3d466
11 changed files with 1028 additions and 1 deletions
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tests/unit/core/test-core-util.cpp
+122
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@@ -38,6 +38,33 @@ extern "C"
#include "src/core/core-util.h"
}
#define WEE_PARSE_NUMBER(__result, __parsed, __string, __base) \
LONGS_EQUAL( \
__result, \
util_parse_int (__string, __base, NULL)); \
LONGS_EQUAL( \
__result, \
util_parse_int (__string, __base, &number_int)); \
if (__result) \
LONGS_EQUAL(__parsed, number_int); \
LONGS_EQUAL( \
__result, \
util_parse_long (__string, __base, NULL)); \
LONGS_EQUAL( \
__result, \
util_parse_long (__string, __base, &number_long)); \
if (__result) \
LONGS_EQUAL(__parsed, number_long); \
LONGS_EQUAL( \
__result, \
util_parse_longlong (__string, __base, NULL)); \
LONGS_EQUAL( \
__result, \
util_parse_longlong (__string, __base, \
&number_longlong)); \
if (__result) \
CHECK_EQUAL(__parsed, number_longlong);
#define WEE_PARSE_DATE(__result, __sec, __usec, __datetime) \
tv.tv_sec = 0; \
tv.tv_usec = 0; \
@@ -56,6 +83,101 @@ TEST_GROUP(CoreUtil)
{
};
/*
* Tests functions:
* util_parse_int
* util_parse_long
* util_parse_longlong
*/
TEST(CoreUtil, ParseNumber)
{
int number_int;
long number_long;
long long number_longlong;
char str_number[256];
/* NULL string */
WEE_PARSE_NUMBER(0, 0, NULL, 10);
/* invalid base */
WEE_PARSE_NUMBER(0, 0, "123", -1);
WEE_PARSE_NUMBER(0, 0, "123", 1);
WEE_PARSE_NUMBER(0, 0, "123", 37);
/* invalid number */
WEE_PARSE_NUMBER(0, 0, "", 10);
WEE_PARSE_NUMBER(0, 0, " ", 10);
WEE_PARSE_NUMBER(0, 0, "-", 10);
WEE_PARSE_NUMBER(0, 0, "+", 10);
WEE_PARSE_NUMBER(0, 0, "3-", 10);
WEE_PARSE_NUMBER(0, 0, "3+", 10);
WEE_PARSE_NUMBER(0, 0, "--3", 10);
WEE_PARSE_NUMBER(0, 0, "++3", 10);
WEE_PARSE_NUMBER(0, 0, ".1", 10);
WEE_PARSE_NUMBER(0, 0, "1.", 10);
WEE_PARSE_NUMBER(0, 0, "1.2", 10);
WEE_PARSE_NUMBER(0, 0, "1,2", 10);
WEE_PARSE_NUMBER(0, 0, "a", 10);
WEE_PARSE_NUMBER(0, 0, "1a", 10);
WEE_PARSE_NUMBER(0, 0, "a1", 10);
WEE_PARSE_NUMBER(0, 0, "123 ", 10);
WEE_PARSE_NUMBER(0, 0, "12", 2);
WEE_PARSE_NUMBER(0, 0, "18", 8);
WEE_PARSE_NUMBER(0, 0, "1g", 16);
/* invalid int: outside range (INT_MIN, INT_MAX) */
snprintf (str_number, sizeof (str_number), "%d1", INT_MIN);
LONGS_EQUAL(0, util_parse_int (str_number, 10, &number_int));
snprintf (str_number, sizeof (str_number), "%d1", INT_MAX);
LONGS_EQUAL(0, util_parse_int (str_number, 10, &number_int));
/* invalid long: outside range (LONG_MIN, LONG_MAX) */
snprintf (str_number, sizeof (str_number), "%ld1", LONG_MIN);
LONGS_EQUAL(0, util_parse_long (str_number, 10, &number_long));
snprintf (str_number, sizeof (str_number), "%ld1", LONG_MAX);
LONGS_EQUAL(0, util_parse_long (str_number, 10, &number_long));
/* invalid long long: outside range (LLONG_MIN, LLONG_MAX) */
snprintf (str_number, sizeof (str_number), "%lld1", LLONG_MIN);
LONGS_EQUAL(0, util_parse_longlong (str_number, 10, &number_longlong));
snprintf (str_number, sizeof (str_number), "%lld1", LLONG_MAX);
LONGS_EQUAL(0, util_parse_longlong (str_number, 10, &number_longlong));
/* OK */
WEE_PARSE_NUMBER(1, 12, "12", 10);
WEE_PARSE_NUMBER(1, 15, " 15", 10);
WEE_PARSE_NUMBER(1, -3, "-3", 10);
WEE_PARSE_NUMBER(1, 5, "101", 2);
WEE_PARSE_NUMBER(1, 71, "107", 8);
WEE_PARSE_NUMBER(1, 30, "1e", 16);
WEE_PARSE_NUMBER(1, 31, "1F", 16);
/* OK, boundary limits for int */
snprintf (str_number, sizeof (str_number), "%d", INT_MIN);
LONGS_EQUAL(1, util_parse_int (str_number, 10, &number_int));
LONGS_EQUAL(INT_MIN, number_int);
snprintf (str_number, sizeof (str_number), "%d", INT_MAX);
LONGS_EQUAL(1, util_parse_int (str_number, 10, &number_int));
LONGS_EQUAL(INT_MAX, number_int);
/* OK, boundary limits for long */
snprintf (str_number, sizeof (str_number), "%ld", LONG_MIN);
LONGS_EQUAL(1, util_parse_long (str_number, 10, &number_long));
LONGS_EQUAL(LONG_MIN, number_long);
snprintf (str_number, sizeof (str_number), "%ld", LONG_MAX);
LONGS_EQUAL(1, util_parse_long (str_number, 10, &number_long));
LONGS_EQUAL(LONG_MAX, number_long);
/* OK, boundary limits for long long */
snprintf (str_number, sizeof (str_number), "%lld", LLONG_MIN);
LONGS_EQUAL(1, util_parse_longlong (str_number, 10, &number_longlong));
CHECK_EQUAL(LLONG_MIN, number_longlong);
snprintf (str_number, sizeof (str_number), "%lld", LLONG_MAX);
LONGS_EQUAL(1, util_parse_longlong (str_number, 10, &number_longlong));
CHECK_EQUAL(LLONG_MAX, number_longlong);
}
/*
* Tests functions:
* util_timeval_cmp