treewide: replace errno_str() with %m printf format specifier

Both errno_str() and printf("%m" end up calling strerror(). %m is
more convenient to use, so switch over all instances to it.

No functional change.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20221010061122.2084009-3-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

7 files changed, 11 insertions, 12 deletions

diff --git a/commands/cat.c b/commands/cat.c
index 17c31ed083..503520dc64 100644
--- a/commands/cat.c
+++ b/commands/cat.c
@@ -40,7 +40,7 @@ static int do_cat(int argc, char *argv[])
 		fd = open(argv[args], O_RDONLY);
 		if (fd < 0) {
 			err = 1;
-			printf("could not open %s: %s\n", argv[args], errno_str());
+			printf("could not open %s: %m\n", argv[args]);
 			goto out;
 		}
 
diff --git a/commands/edit.c b/commands/edit.c
index 12695d39e4..dea383aae7 100644
--- a/commands/edit.c
+++ b/commands/edit.c
@@ -185,7 +185,7 @@ static int edit_read_file(const char *path)
 	if (!stat(path, &s)) {
 		filebuffer = read_file(path, NULL);
 		if (!filebuffer) {
-			printf("could not read %s: %s\n", path, errno_str());
+			printf("could not read %s: %m\n", path);
 			return -1;
 		}
 
@@ -249,7 +249,7 @@ static int save_file(const char *path)
 
 	fd = open(path, O_WRONLY | O_TRUNC | O_CREAT);
 	if (fd < 0) {
-		printf("could not open file for writing: %s\n", errno_str());
+		printf("could not open file for writing: %m\n");
 		return fd;
 	}
 
diff --git a/commands/flash.c b/commands/flash.c
index 3d7c8fd577..5b7060aead 100644
--- a/commands/flash.c
+++ b/commands/flash.c
@@ -25,7 +25,7 @@ static int do_flerase(int argc, char *argv[])
 	filename = argv[1];
 
 	if (stat(filename, &s)) {
-		printf("stat %s: %s\n", filename, errno_str());
+		printf("stat %s: %m\n", filename);
 		return 1;
 	}
 
@@ -33,7 +33,7 @@ static int do_flerase(int argc, char *argv[])
 
 	fd = open(filename, O_WRONLY);
 	if (fd < 0) {
-		printf("open %s: %s\n", filename, errno_str());
+		printf("open %s: %m\n", filename);
 		return 1;
 	}
 
@@ -89,7 +89,7 @@ static int do_protect(int argc, char *argv[])
 		prot = 0;
 
 	if (stat(filename, &s)) {
-		printf("stat %s: %s\n", filename, errno_str());
+		printf("stat %s: %m\n", filename);
 		return 1;
 	}
 
@@ -97,7 +97,7 @@ static int do_protect(int argc, char *argv[])
 
 	fd = open(filename, O_WRONLY);
 	if (fd < 0) {
-		printf("open %s: %s\n", filename, errno_str());
+		printf("open %s: %m\n", filename);
 		return 1;
 	}
 
diff --git a/commands/ls.c b/commands/ls.c
index 1192aed971..09a20e0a23 100644
--- a/commands/ls.c
+++ b/commands/ls.c
@@ -164,8 +164,7 @@ static int do_ls(int argc, char *argv[])
 	while (o < argc) {
 		ret = stat(argv[o], &s);
 		if (ret) {
-			printf("%s: %s: %s\n", argv[0],
-					argv[o], errno_str());
+			printf("%s: %s: %m\n", argv[0], argv[o]);
 			o++;
 			exitcode = COMMAND_ERROR;
 			continue;
diff --git a/commands/mkdir.c b/commands/mkdir.c
index e7153b8732..01fc0b083b 100644
--- a/commands/mkdir.c
+++ b/commands/mkdir.c
@@ -37,7 +37,7 @@ static int do_mkdir(int argc, char *argv[])
 			ret = mkdir(argv[optind], 0);
 		}
 		if (ret) {
-			printf("could not create %s: %s\n", argv[optind], errno_str());
+			printf("could not create %s: %m\n", argv[optind]);
 			return 1;
 		}
 		optind++;
diff --git a/commands/rm.c b/commands/rm.c
index ba52b185cb..be5c192221 100644
--- a/commands/rm.c
+++ b/commands/rm.c
@@ -37,7 +37,7 @@ static int do_rm(int argc, char *argv[])
 		else
 			ret = unlink(argv[i]);
 		if (ret) {
-			printf("could not remove %s: %s\n", argv[i], errno_str());
+			printf("could not remove %s: %m\n", argv[i]);
 			return 1;
 		}
 		i++;
diff --git a/commands/rmdir.c b/commands/rmdir.c
index 9b2938a556..44793ca56e 100644
--- a/commands/rmdir.c
+++ b/commands/rmdir.c
@@ -14,7 +14,7 @@ static int do_rmdir(int argc, char *argv[])
 
 	while (i < argc) {
 		if (rmdir(argv[i])) {
-			printf("could not remove %s: %s\n", argv[i], errno_str());
+			printf("could not remove %s: %m\n", argv[i]);
 			return 1;
 		}
 		i++;