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[Qemu-devel] [PULL 14/24] util/cutils: New qemu_strtosz_metric()
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PULL 14/24] util/cutils: New qemu_strtosz_metric() |
Date: |
Thu, 23 Feb 2017 20:53:52 +0100 |
To parse numbers with metric suffixes, we use
qemu_strtosz_suffix_unit(nptr, &eptr, QEMU_STRTOSZ_DEFSUFFIX_B, 1000)
Capture this in a new function for legibility:
qemu_strtosz_metric(nptr, &eptr)
Replace test_qemu_strtosz_suffix_unit() by test_qemu_strtosz_metric().
Rename qemu_strtosz_suffix_unit() to do_strtosz() and give it internal
linkage.
Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Message-Id: <address@hidden>
---
include/qemu/cutils.h | 4 ++--
target/i386/cpu.c | 3 +--
tests/test-cutils.c | 13 ++++++-------
util/cutils.c | 11 ++++++++---
4 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index f922223..81613d0 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -156,8 +156,8 @@ int parse_uint_full(const char *s, unsigned long long
*value, int base);
int64_t qemu_strtosz(const char *nptr, char **end);
int64_t qemu_strtosz_suffix(const char *nptr, char **end,
const char default_suffix);
-int64_t qemu_strtosz_suffix_unit(const char *nptr, char **end,
- const char default_suffix, int64_t unit);
+int64_t qemu_strtosz_metric(const char *nptr, char **end);
+
#define K_BYTE (1ULL << 10)
#define M_BYTE (1ULL << 20)
#define G_BYTE (1ULL << 30)
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index fd7add2..685ca36 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -2036,8 +2036,7 @@ static void x86_cpu_parse_featurestr(const char
*typename, char *features,
int64_t tsc_freq;
char *err;
- tsc_freq = qemu_strtosz_suffix_unit(val, &err,
- QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
+ tsc_freq = qemu_strtosz_metric(val, &err);
if (tsc_freq < 0 || *err) {
error_setg(errp, "bad numerical value %s", val);
return;
diff --git a/tests/test-cutils.c b/tests/test-cutils.c
index df6c330..e1d4054 100644
--- a/tests/test-cutils.c
+++ b/tests/test-cutils.c
@@ -1548,16 +1548,15 @@ static void test_qemu_strtosz_erange(void)
g_assert(endptr == str + 3);
}
-static void test_qemu_strtosz_suffix_unit(void)
+static void test_qemu_strtosz_metric(void)
{
- const char *str = "12345";
+ const char *str = "12345k";
char *endptr = NULL;
int64_t res;
- res = qemu_strtosz_suffix_unit(str, &endptr,
- QEMU_STRTOSZ_DEFSUFFIX_KB, 1000);
+ res = qemu_strtosz_metric(str, &endptr);
g_assert_cmpint(res, ==, 12345000);
- g_assert(endptr == str + 5);
+ g_assert(endptr == str + 6);
}
int main(int argc, char **argv)
@@ -1754,8 +1753,8 @@ int main(int argc, char **argv)
test_qemu_strtosz_trailing);
g_test_add_func("/cutils/strtosz/erange",
test_qemu_strtosz_erange);
- g_test_add_func("/cutils/strtosz/suffix-unit",
- test_qemu_strtosz_suffix_unit);
+ g_test_add_func("/cutils/strtosz/metric",
+ test_qemu_strtosz_metric);
return g_test_run();
}
diff --git a/util/cutils.c b/util/cutils.c
index 6397424..b46e254 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -205,8 +205,8 @@ static int64_t suffix_mul(char suffix, int64_t unit)
* in *end, if not NULL. Return -ERANGE on overflow, Return -EINVAL on
* other error.
*/
-int64_t qemu_strtosz_suffix_unit(const char *nptr, char **end,
- const char default_suffix, int64_t unit)
+static int64_t do_strtosz(const char *nptr, char **end,
+ const char default_suffix, int64_t unit)
{
int64_t retval = -EINVAL;
char *endptr;
@@ -251,7 +251,7 @@ fail:
int64_t qemu_strtosz_suffix(const char *nptr, char **end,
const char default_suffix)
{
- return qemu_strtosz_suffix_unit(nptr, end, default_suffix, 1024);
+ return do_strtosz(nptr, end, default_suffix, 1024);
}
int64_t qemu_strtosz(const char *nptr, char **end)
@@ -259,6 +259,11 @@ int64_t qemu_strtosz(const char *nptr, char **end)
return qemu_strtosz_suffix(nptr, end, QEMU_STRTOSZ_DEFSUFFIX_MB);
}
+int64_t qemu_strtosz_metric(const char *nptr, char **end)
+{
+ return do_strtosz(nptr, end, QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
+}
+
/**
* Helper function for error checking after strtol() and the like
*/
--
2.7.4
- [Qemu-devel] [PULL 00/24] option cutils: Fix and clean up number conversions, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 10/24] test-cutils: Add missing qemu_strtosz()... endptr checks, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 11/24] test-cutils: Cover qemu_strtosz() invalid input, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 19/24] test-cutils: Drop suffix from test_qemu_strtosz_simple(), Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 12/24] test-cutils: Cover qemu_strtosz() with trailing crap, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 03/24] test-cutils: Add missing qemu_strtol()... endptr checks, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 09/24] option: Fix to reject invalid and overflowing numbers, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 02/24] option: Assert value string isn't null, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 14/24] util/cutils: New qemu_strtosz_metric(),
Markus Armbruster <=
- [Qemu-devel] [PULL 13/24] test-cutils: Cover qemu_strtosz() around range limits, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 24/24] option: Fix checking of sizes for overflow and trailing crap, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 06/24] util/cutils: Rename qemu_strtoll(), qemu_strtoull(), Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 07/24] util/cutils: Clean up variable names around qemu_strtol(), Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 08/24] util/cutils: Clean up control flow around qemu_strtol() a bit, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 21/24] util/cutils: Let qemu_strtosz*() optionally reject trailing crap, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 15/24] util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB(), Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 17/24] util/cutils: Drop QEMU_STRTOSZ_DEFSUFFIX_* macros, Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 20/24] qemu-img: Wrap cvtnum() around qemu_strtosz(), Markus Armbruster, 2017/02/23
- [Qemu-devel] [PULL 04/24] test-cutils: Clean up qemu_strtoul() result checks, Markus Armbruster, 2017/02/23