From: Viktor Barna <viktor.barna@xxxxxxxxxx>
(Part of the split. Please, take a look at the cover letter for more
details).
Signed-off-by: Viktor Barna <viktor.barna@xxxxxxxxxx>
---
.../net/wireless/celeno/cl8k/utils/string.c | 235 ++++++++++++++++++
1 file changed, 235 insertions(+)
create mode 100644 drivers/net/wireless/celeno/cl8k/utils/string.c
diff --git a/drivers/net/wireless/celeno/cl8k/utils/string.c b/drivers/net/wireless/celeno/cl8k/utils/string.c
new file mode 100644
index 000000000000..1300563e86a6
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/utils/string.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: MIT
+/* Copyright(c) 2019-2021, Celeno Communications Ltd. */
+
+#include "utils/string.h"
+#include "utils/utils.h"
+
+int cl_strtobool_vector(char *src, bool *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_256B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtobool(buf, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtobool(buf, &dest[i]) != 0)
+ return -EINVAL;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+int cl_strtou8_vector(char *src, u8 *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_256B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtou8(buf, 0, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtou8(buf, 0, &dest[i]) != 0)
+ return -EINVAL;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+int cl_strtou8_hex_vector(char *src, u8 *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_32B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtou8(buf, 16, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtou8(buf, 16, &dest[i]) != 0)
+ return -1;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+int cl_strtou16_vector(char *src, u16 *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_256B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtou16(buf, 0, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtou16(buf, 0, &dest[i]) != 0)
+ return -EINVAL;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+int cl_strtou32_vector(char *src, u32 *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_256B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtou32(buf, 0, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtou32(buf, 0, &dest[i]) != 0)
+ return -EINVAL;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+int cl_strtos8_vector(char *src, s8 *dest, u8 elem_cnt, char *delim)
+{
+ u8 i = 0;
+ char *buf = NULL;
+ char vector[STR_LEN_256B] = {0};
+
+ if (strlen(src) >= sizeof(vector))
+ return -E2BIG;
+
+ strcpy(vector, src);
+ buf = cl_strtok(vector, delim);
+
+ if (!buf)
+ return -EIO;
+ if (kstrtos8(buf, 0, &dest[0]) != 0)
+ return -EINVAL;
+
+ for (i = 1; i < elem_cnt; i++) {
+ buf = cl_strtok(NULL, delim);
+ if (!buf)
+ break;
+ if (kstrtos8(buf, 0, &dest[i]) != 0)
+ return -EINVAL;
+ }
+
+ if (i < elem_cnt) {
+ pr_err("src %s doesn't have %u elements\n", src, elem_cnt);
+ return -1;
+ }
+
+ return 0;
+}
+
+static s8 *_strtok;
+
+s8 *cl_strtok(s8 *s, const s8 *ct)
+{
+ return cl_strtok_r(s, ct, &_strtok);
+}
+
+/* cl_strtok_r() is a reentrant version of cl_strtok() */
+s8 *cl_strtok_r(s8 *s, const s8 *ct, s8 **saveptr)
+{
+ s8 *sbegin, *send;
+
+ sbegin = s ? s : *saveptr;
+ if (!sbegin)
+ return NULL;
+
+ sbegin += strspn(sbegin, ct);
+ if (*sbegin == '\0') {
+ *saveptr = NULL;
+ return NULL;
+ }
+
+ send = strpbrk(sbegin, ct);
+ if (send && *send != '\0')
+ *send++ = '\0';
+
+ *saveptr = send;
+
+ return sbegin;
+}
+
--
2.30.0
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