i2cset: use strtol for all conversions

1 files changed, 7 insertions, 2 deletions

diff --git a/commandline/i2cset.c b/commandline/i2cset.c
index c6333c5..5a3bc4b 100644
--- a/commandline/i2cset.c
+++ b/commandline/i2cset.c
@@ -6,7 +6,7 @@
 
 int main(int argc, char **argv)
 {
-	int i, address, got_ack;
+	int i, address, cmdbuf, got_ack;
 	char *conv_err;
 
 	i2c_init();
@@ -27,7 +27,12 @@ int main(int argc, char **argv)
 	got_ack = i2c_tx_byte(address << 1);
 
 	for (i = 2; i < argc; i++) {
-		i2c_tx_byte(atoi(argv[i]));
+		cmdbuf = strtol(argv[i], &conv_err, 0);
+		if (conv_err && *conv_err) {
+			fprintf(stderr, "write command: conversion error at '%s'", conv_err);
+			return 2;
+		}
+		i2c_tx_byte(cmdbuf);
 	}
 
 	i2c_stop();