--- /dev/null
+/*
+ * cutils.c unit-tests
+ *
+ * Copyright (C) 2013 Red Hat Inc.
+ *
+ * Authors:
+ * Eduardo Habkost <ehabkost@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <glib.h>
+#include <errno.h>
+#include <string.h>
+
+#include "qemu-common.h"
+
+
+static void test_parse_uint_null(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ int r;
+
+ r = parse_uint(NULL, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -EINVAL);
+ g_assert_cmpint(i, ==, 0);
+ g_assert(endptr == NULL);
+}
+
+static void test_parse_uint_empty(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -EINVAL);
+ g_assert_cmpint(i, ==, 0);
+ g_assert(endptr == str);
+}
+
+static void test_parse_uint_whitespace(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = " \t ";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -EINVAL);
+ g_assert_cmpint(i, ==, 0);
+ g_assert(endptr == str);
+}
+
+
+static void test_parse_uint_invalid(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = " \t xxx";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -EINVAL);
+ g_assert_cmpint(i, ==, 0);
+ g_assert(endptr == str);
+}
+
+
+static void test_parse_uint_trailing(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "123xxx";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, 123);
+ g_assert(endptr == str + 3);
+}
+
+static void test_parse_uint_correct(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "123";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, 123);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_parse_uint_octal(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "0123";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, 0123);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_parse_uint_decimal(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "0123";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 10);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, 123);
+ g_assert(endptr == str + strlen(str));
+}
+
+
+static void test_parse_uint_llong_max(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ char *str = g_strdup_printf("%llu", (unsigned long long)LLONG_MAX + 1);
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, (unsigned long long)LLONG_MAX + 1);
+ g_assert(endptr == str + strlen(str));
+
+ g_free(str);
+}
+
+static void test_parse_uint_overflow(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = "99999999999999999999999999999999999999";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -ERANGE);
+ g_assert_cmpint(i, ==, ULLONG_MAX);
+ g_assert(endptr == str + strlen(str));
+}
+
+static void test_parse_uint_negative(void)
+{
+ unsigned long long i = 999;
+ char f = 'X';
+ char *endptr = &f;
+ const char *str = " \t -321";
+ int r;
+
+ r = parse_uint(str, &i, &endptr, 0);
+
+ g_assert_cmpint(r, ==, -ERANGE);
+ g_assert_cmpint(i, ==, 0);
+ g_assert(endptr == str + strlen(str));
+}
+
+
+static void test_parse_uint_full_trailing(void)
+{
+ unsigned long long i = 999;
+ const char *str = "123xxx";
+ int r;
+
+ r = parse_uint_full(str, &i, 0);
+
+ g_assert_cmpint(r, ==, -EINVAL);
+ g_assert_cmpint(i, ==, 0);
+}
+
+static void test_parse_uint_full_correct(void)
+{
+ unsigned long long i = 999;
+ const char *str = "123";
+ int r;
+
+ r = parse_uint_full(str, &i, 0);
+
+ g_assert_cmpint(r, ==, 0);
+ g_assert_cmpint(i, ==, 123);
+}
+
+int main(int argc, char **argv)
+{
+ g_test_init(&argc, &argv, NULL);
+
+ g_test_add_func("/cutils/parse_uint/null", test_parse_uint_null);
+ g_test_add_func("/cutils/parse_uint/empty", test_parse_uint_empty);
+ g_test_add_func("/cutils/parse_uint/whitespace",
+ test_parse_uint_whitespace);
+ g_test_add_func("/cutils/parse_uint/invalid", test_parse_uint_invalid);
+ g_test_add_func("/cutils/parse_uint/trailing", test_parse_uint_trailing);
+ g_test_add_func("/cutils/parse_uint/correct", test_parse_uint_correct);
+ g_test_add_func("/cutils/parse_uint/octal", test_parse_uint_octal);
+ g_test_add_func("/cutils/parse_uint/decimal", test_parse_uint_decimal);
+ g_test_add_func("/cutils/parse_uint/llong_max", test_parse_uint_llong_max);
+ g_test_add_func("/cutils/parse_uint/overflow", test_parse_uint_overflow);
+ g_test_add_func("/cutils/parse_uint/negative", test_parse_uint_negative);
+ g_test_add_func("/cutils/parse_uint_full/trailing",
+ test_parse_uint_full_trailing);
+ g_test_add_func("/cutils/parse_uint_full/correct",
+ test_parse_uint_full_correct);
+
+ return g_test_run();
+}
return strtosz_suffix(nptr, end, STRTOSZ_DEFSUFFIX_MB);
}
+/**
+ * parse_uint:
+ *
+ * @s: String to parse
+ * @value: Destination for parsed integer value
+ * @endptr: Destination for pointer to first character not consumed
+ * @base: integer base, between 2 and 36 inclusive, or 0
+ *
+ * Parse unsigned integer
+ *
+ * Parsed syntax is like strtoull()'s: arbitrary whitespace, a single optional
+ * '+' or '-', an optional "0x" if @base is 0 or 16, one or more digits.
+ *
+ * If @s is null, or @base is invalid, or @s doesn't start with an
+ * integer in the syntax above, set *@value to 0, *@endptr to @s, and
+ * return -EINVAL.
+ *
+ * Set *@endptr to point right beyond the parsed integer (even if the integer
+ * overflows or is negative, all digits will be parsed and *@endptr will
+ * point right beyond them).
+ *
+ * If the integer is negative, set *@value to 0, and return -ERANGE.
+ *
+ * If the integer overflows unsigned long long, set *@value to
+ * ULLONG_MAX, and return -ERANGE.
+ *
+ * Else, set *@value to the parsed integer, and return 0.
+ */
+int parse_uint(const char *s, unsigned long long *value, char **endptr,
+ int base)
+{
+ int r = 0;
+ char *endp = (char *)s;
+ unsigned long long val = 0;
+
+ if (!s) {
+ r = -EINVAL;
+ goto out;
+ }
+
+ errno = 0;
+ val = strtoull(s, &endp, base);
+ if (errno) {
+ r = -errno;
+ goto out;
+ }
+
+ if (endp == s) {
+ r = -EINVAL;
+ goto out;
+ }
+
+ /* make sure we reject negative numbers: */
+ while (isspace((unsigned char)*s)) {
+ s++;
+ }
+ if (*s == '-') {
+ val = 0;
+ r = -ERANGE;
+ goto out;
+ }
+
+out:
+ *value = val;
+ *endptr = endp;
+ return r;
+}
+
+/**
+ * parse_uint_full:
+ *
+ * @s: String to parse
+ * @value: Destination for parsed integer value
+ * @base: integer base, between 2 and 36 inclusive, or 0
+ *
+ * Parse unsigned integer from entire string
+ *
+ * Have the same behavior of parse_uint(), but with an additional check
+ * for additional data after the parsed number. If extra characters are present
+ * after the parsed number, the function will return -EINVAL, and *@v will
+ * be set to 0.
+ */
+int parse_uint_full(const char *s, unsigned long long *value, int base)
+{
+ char *endp;
+ int r;
+
+ r = parse_uint(s, value, &endp, base);
+ if (r < 0) {
+ return r;
+ }
+ if (*endp) {
+ *value = 0;
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
int qemu_parse_fd(const char *param)
{
int fd;
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