spa/utils: add spa_atou32, spa_atoi64,spa_atou64, spa_atod, spa_atof

Same as the existing spa_atoi32 but for uint32_t, {u}int64_t, float and
double.
This commit is contained in:
Peter Hutterer 2021-05-31 15:06:35 +10:00 committed by Wim Taymans
parent c3ab4ec9dc
commit 6826df07da
2 changed files with 268 additions and 0 deletions

View file

@ -89,6 +89,84 @@ static inline bool spa_atoi32(const char *str, int32_t *val, int base)
return true;
}
/**
* Convert \a str to an uint32_t with the given \a base and store the
* result in \a val.
*
* On failure, the value of \a val is unmodified.
*
* \return true on success, false otherwise
*/
static inline bool spa_atou32(const char *str, uint32_t *val, int base)
{
char *endptr;
long v;
if (!str || *str =='\0')
return false;
errno = 0;
v = strtoul(str, &endptr, base);
if (errno != 0 || *endptr != '\0')
return false;
if (v != (uint32_t)v)
return false;
*val = v;
return true;
}
/**
* Convert \a str to an int64_t with the given \a base and store the
* result in \a val.
*
* On failure, the value of \a val is unmodified.
*
* \return true on success, false otherwise
*/
static inline bool spa_atoi64(const char *str, int64_t *val, int base)
{
char *endptr;
long long v;
if (!str || *str =='\0')
return false;
errno = 0;
v = strtoll(str, &endptr, base);
if (errno != 0 || *endptr != '\0')
return false;
*val = v;
return true;
}
/**
* Convert \a str to an uint64_t with the given \a base and store the
* result in \a val.
*
* On failure, the value of \a val is unmodified.
*
* \return true on success, false otherwise
*/
static inline bool spa_atou64(const char *str, uint64_t *val, int base)
{
char *endptr;
unsigned long long v;
if (!str || *str =='\0')
return false;
errno = 0;
v = strtoull(str, &endptr, base);
if (errno != 0 || *endptr != '\0')
return false;
*val = v;
return true;
}
/**
* Convert \a str to a boolean. Allowed boolean values are "true" and a
* literal "1", anything else is false.
@ -100,6 +178,54 @@ static inline bool spa_atob(const char *str)
return spa_streq(str, "true") || spa_streq(str, "1");
}
/**
* Convert \a str to a float and store the result in \a val.
*
* On failure, the value of \a val is unmodified.
*
* \return true on success, false otherwise
*/
static inline bool spa_atof(const char *str, float *val)
{
char *endptr;
float v;
if (!str || *str =='\0')
return false;
errno = 0;
v = strtof(str, &endptr);
if (errno != 0 || *endptr != '\0')
return false;
*val = v;
return true;
}
/**
* Convert \a str to a double and store the result in \a val.
*
* On failure, the value of \a val is unmodified.
*
* \return true on success, false otherwise
*/
static inline bool spa_atod(const char *str, double *val)
{
char *endptr;
double v;
if (!str || *str =='\0')
return false;
errno = 0;
v = strtod(str, &endptr);
if (errno != 0 || *endptr != '\0')
return false;
*val = v;
return true;
}
/**
* \}
*/

View file

@ -22,6 +22,8 @@
* DEALINGS IN THE SOFTWARE.
*/
#include <locale.h>
#include <spa/utils/defs.h>
#include <spa/utils/result.h>
#include <spa/utils/dict.h>
@ -479,6 +481,141 @@ static void test_strtol(void)
spa_assert(!spa_atoi32(NULL, &v, 16) && v == 0xabcd);
}
static void test_strtoul(void)
{
uint32_t v;
spa_assert(spa_atou32("0", &v, 0) && v == 0);
spa_assert(spa_atou32("0", &v, 16) && v == 0);
spa_assert(spa_atou32("0", &v, 32) && v == 0);
spa_assert(spa_atou32("+1", &v, 0) && v == 1);
spa_assert(spa_atou32("+1234", &v, 0) && v == 1234);
spa_assert(spa_atou32("+4294967295", &v, 0) && v == 4294967295);
spa_assert(spa_atou32("4294967295", &v, 0) && v == 4294967295);
spa_assert(spa_atou32("65535", &v, 0) && v == 0xffff);
spa_assert(spa_atou32("65535", &v, 10) && v == 0xffff);
spa_assert(spa_atou32("65535", &v, 16) && v == 0x65535);
spa_assert(spa_atou32("0xff", &v, 0) && v == 0xff);
spa_assert(spa_atou32("0xff", &v, 16) && v == 0xff);
v = 0xabcd;
spa_assert(!spa_atou32("-1", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("-1234", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("-2147483648", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("0xff", &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32("fabc", &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32("fabc", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("124bogus", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("124bogus", &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32("124bogus", &v, 16) && v == 0xabcd);
spa_assert(!spa_atou32("0xbogus", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("bogus", &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32("bogus", &v, 16) && v == 0xabcd);
spa_assert(!spa_atou32("", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("", &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32("", &v, 16) && v == 0xabcd);
spa_assert(!spa_atou32(" ", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32(" ", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("-2147483649", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("4294967296", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("9223372036854775807", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("-9223372036854775808", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32("9223372036854775808999", &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32(NULL, &v, 0) && v == 0xabcd);
spa_assert(!spa_atou32(NULL, &v, 10) && v == 0xabcd);
spa_assert(!spa_atou32(NULL, &v, 16) && v == 0xabcd);
}
static void test_strtoll(void)
{
int64_t v;
spa_assert(spa_atoi64("0", &v, 0) && v == 0);
spa_assert(spa_atoi64("0", &v, 16) && v == 0);
spa_assert(spa_atoi64("0", &v, 32) && v == 0);
spa_assert(spa_atoi64("-1", &v, 0) && v == -1);
spa_assert(spa_atoi64("-1234", &v, 0) && v == -1234);
spa_assert(spa_atoi64("-2147483648", &v, 0) && v == -2147483648);
spa_assert(spa_atoi64("+1", &v, 0) && v == 1);
spa_assert(spa_atoi64("+1234", &v, 0) && v == 1234);
spa_assert(spa_atoi64("+2147483647", &v, 0) && v == 2147483647);
spa_assert(spa_atoi64("65535", &v, 0) && v == 0xffff);
spa_assert(spa_atoi64("65535", &v, 10) && v == 0xffff);
spa_assert(spa_atoi64("65535", &v, 16) && v == 0x65535);
spa_assert(spa_atoi64("0xff", &v, 0) && v == 0xff);
spa_assert(spa_atoi64("0xff", &v, 16) && v == 0xff);
spa_assert(spa_atoi64("9223372036854775807", &v, 0) && v == 0x7fffffffffffffff);
spa_assert(spa_atoi64("-9223372036854775808", &v, 0) && (uint64_t)v == 0x8000000000000000);
v = 0xabcd;
spa_assert(!spa_atoi64("0xff", &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64("fabc", &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64("fabc", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64("124bogus", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64("124bogus", &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64("124bogus", &v, 16) && v == 0xabcd);
spa_assert(!spa_atoi64("0xbogus", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64("bogus", &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64("bogus", &v, 16) && v == 0xabcd);
spa_assert(!spa_atoi64("", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64("", &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64("", &v, 16) && v == 0xabcd);
spa_assert(!spa_atoi64(" ", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64(" ", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64("9223372036854775808999", &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64(NULL, &v, 0) && v == 0xabcd);
spa_assert(!spa_atoi64(NULL, &v, 10) && v == 0xabcd);
spa_assert(!spa_atoi64(NULL, &v, 16) && v == 0xabcd);
}
static void test_strtof(void)
{
float v;
spa_assert(spa_atof("0", &v) && v == 0.0f);
spa_assert(spa_atof("0.00", &v) && v == 0.0f);
spa_assert(spa_atof("1", &v) && v == 1.0f);
spa_assert(spa_atof("-1", &v) && v == -1.0f);
spa_assert(spa_atof("0x1", &v) && v == 1.0f);
v = 0xabcd;
spa_assert(!spa_atof("0,00", &v) && v == 0xabcd);
spa_assert(!spa_atof("fabc", &v) && v == 0xabcd);
spa_assert(!spa_atof("1.bogus", &v) && v == 0xabcd);
spa_assert(!spa_atof("1.0a", &v) && v == 0xabcd);
spa_assert(!spa_atof(" ", &v) && v == 0xabcd);
spa_assert(!spa_atof(" ", &v) && v == 0xabcd);
spa_assert(!spa_atof("", &v) && v == 0xabcd);
spa_assert(!spa_atof(NULL, &v) && v == 0xabcd);
}
static void test_strtod(void)
{
double v;
spa_assert(spa_atod("0", &v) && v == 0.0);
spa_assert(spa_atod("0.00", &v) && v == 0.0);
spa_assert(spa_atod("1", &v) && v == 1.0);
spa_assert(spa_atod("-1", &v) && v == -1.0);
spa_assert(spa_atod("0x1", &v) && v == 1.0);
v = 0xabcd;
spa_assert(!spa_atod("0,00", &v) && v == 0xabcd);
spa_assert(!spa_atod("fabc", &v) && v == 0xabcd);
spa_assert(!spa_atod("1.bogus", &v) && v == 0xabcd);
spa_assert(!spa_atod("1.0a", &v) && v == 0xabcd);
spa_assert(!spa_atod(" ", &v) && v == 0xabcd);
spa_assert(!spa_atod(" ", &v) && v == 0xabcd);
spa_assert(!spa_atod("", &v) && v == 0xabcd);
spa_assert(!spa_atod(NULL, &v) && v == 0xabcd);
}
static void test_streq(void)
{
spa_assert(spa_streq(NULL, NULL));
@ -592,6 +729,7 @@ static void test_ansi(void)
int main(int argc, char *argv[])
{
setlocale(LC_NUMERIC, "C"); /* For decimal number parsing */
test_abi();
test_macros();
test_result();
@ -600,6 +738,10 @@ int main(int argc, char *argv[])
test_hook();
test_ringbuffer();
test_strtol();
test_strtoul();
test_strtoll();
test_strtof();
test_strtod();
test_streq();
test_atob();
test_ansi();