diff options
Diffstat (limited to 'cpukit/libi2c')
| -rw-r--r-- | cpukit/libi2c/libi2c.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/cpukit/libi2c/libi2c.c b/cpukit/libi2c/libi2c.c index f6b3fe8416..1f88968aab 100644 --- a/cpukit/libi2c/libi2c.c +++ b/cpukit/libi2c/libi2c.c @@ -385,7 +385,8 @@ rtems_libi2c_register_bus (const char *name, rtems_libi2c_bus_t * bus) { int i; rtems_status_code err; - char *nmcpy = malloc (name ? strlen (name) + 1 : 20); + size_t length = (name ? strlen (name) + 1 : 20); + char *nmcpy = malloc(length); char tmp, *chpt; struct stat sbuf; @@ -394,7 +395,7 @@ rtems_libi2c_register_bus (const char *name, rtems_libi2c_bus_t * bus) return -RTEMS_NO_MEMORY; } - strcpy (nmcpy, name ? name : "/dev/i2c"); + strncpy (nmcpy, name ? name : "/dev/i2c", length); /* check */ if ('/' != *nmcpy) { @@ -737,8 +738,9 @@ rtems_libi2c_register_drv (const char *name, rtems_libi2c_drv_t * drvtbl, minor = ((i + 1) << 13) | RTEMS_LIBI2C_MAKE_MINOR (busno, i2caddr); if (name) { - str = malloc (strlen (busses[busno].name) + strlen (name) + 2); - sprintf (str, "%s.%s", busses[busno].name, name); + size_t length = strlen (busses[busno].name) + strlen (name) + 2; + str = malloc (length); + snprintf (str, length, "%s.%s", busses[busno].name, name); dev = rtems_filesystem_make_dev_t (rtems_libi2c_major, minor); |