4 files changed, 15 insertions, 12 deletions

diff --git a/utils/v4l2-ctl/v4l2-ctl-common.cpp b/utils/v4l2-ctl/v4l2-ctl-common.cpp
index bbd00e95..47f5da1a 100644
--- a/utils/v4l2-ctl/v4l2-ctl-common.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl-common.cpp
@@ -1,7 +1,6 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 #include <inttypes.h>
 #include <getopt.h>
 #include <sys/types.h>
@@ -22,6 +21,7 @@
 #include <sys/klog.h>
 #endif
 
+#include <cstring>
 #include <list>
 #include <vector>
 #include <map>
@@ -152,7 +152,7 @@ static int calc_node_val(const char *s)
 {
 	int n = 0;
 
-	s = strrchr(s, '/') + 1;
+	s = std::strrchr(s, '/') + 1;
 
 	for (unsigned i = 0; prefixes[i]; i++) {
 		unsigned l = strlen(prefixes[i]);
@@ -741,7 +741,7 @@ static bool parse_subset(char *optarg)
 
 	memset(&subset, 0, sizeof(subset));
 	while (*optarg) {
-		p = strchr(optarg, ',');
+		p = std::strchr(optarg, ',');
 		if (p)
 			*p = 0;
 		if (optarg[0] == 0) {
@@ -808,7 +808,7 @@ void common_cmd(const std::string &media_bus_info, int ch, char *optarg)
 				common_usage();
 				std::exit(EXIT_FAILURE);
 			}
-			if (strchr(value, '=')) {
+			if (std::strchr(value, '=')) {
 				common_usage();
 				std::exit(EXIT_FAILURE);
 			}
@@ -824,7 +824,7 @@ void common_cmd(const std::string &media_bus_info, int ch, char *optarg)
 				common_usage();
 				std::exit(EXIT_FAILURE);
 			}
-			if (const char *equal = strchr(value, '=')) {
+			if (const char *equal = std::strchr(value, '=')) {
 				set_ctrls[std::string(value, (equal - value))] = equal + 1;
 			}
 			else {
diff --git a/utils/v4l2-ctl/v4l2-ctl-edid.cpp b/utils/v4l2-ctl/v4l2-ctl-edid.cpp
index a2df6089..b13d8209 100644
--- a/utils/v4l2-ctl/v4l2-ctl-edid.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl-edid.cpp
@@ -1,7 +1,8 @@
+#include <cstring>
+
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 #include <inttypes.h>
 #include <fcntl.h>
 #include <ctype.h>
@@ -710,7 +711,7 @@ static unsigned short parse_phys_addr(const char *value)
 {
 	unsigned p1, p2, p3, p4;
 
-	if (!strchr(value, '.'))
+	if (!std::strchr(value, '.'))
 		return strtoul(value, NULL, 0);
 	if (sscanf(value, "%x.%x.%x.%x", &p1, &p2, &p3, &p4) != 4) {
 		fprintf(stderr, "Expected a physical address of the form x.x.x.x\n");
diff --git a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
index 0d5a1e1a..8578610d 100644
--- a/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl-streaming.cpp
@@ -1,7 +1,8 @@
+#include <cstring>
+
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 #include <inttypes.h>
 #include <getopt.h>
 #include <sys/types.h>
@@ -1660,7 +1661,7 @@ static FILE *open_output_file(cv4l_fd &fd)
 	if (!host_to)
 		return NULL;
 
-	char *p = strchr(host_to, ':');
+	char *p = std::strchr(host_to, ':');
 	struct sockaddr_in serv_addr;
 	struct hostent *server;
 	struct v4l2_fract aspect;
@@ -1925,7 +1926,7 @@ static FILE *open_input_file(cv4l_fd &fd, __u32 type)
 	if (!host_from)
 		return NULL;
 
-	char *p = strchr(host_from, ':');
+	char *p = std::strchr(host_from, ':');
 	int listen_fd;
 	socklen_t clilen;
 	struct sockaddr_in serv_addr = {}, cli_addr;
diff --git a/utils/v4l2-ctl/v4l2-ctl-vbi.cpp b/utils/v4l2-ctl/v4l2-ctl-vbi.cpp
index 6a4f627f..ee55012f 100644
--- a/utils/v4l2-ctl/v4l2-ctl-vbi.cpp
+++ b/utils/v4l2-ctl/v4l2-ctl-vbi.cpp
@@ -1,7 +1,8 @@
+#include <cstring>
+
 #include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
 #include <inttypes.h>
 #include <getopt.h>
 #include <sys/types.h>
@@ -98,7 +99,7 @@ void vbi_cmd(int ch, char *optarg)
 			std::exit(EXIT_FAILURE);
 		}
 		while (*optarg) {
-			subs = strchr(optarg, ',');
+			subs = std::strchr(optarg, ',');
 			if (subs)
 				*subs = 0;