diff options
Diffstat (limited to 'firmware/common')
| -rw-r--r-- | firmware/common/sprintf.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/firmware/common/sprintf.c b/firmware/common/sprintf.c index bbd4db5bb4..6f9d7bc248 100644 --- a/firmware/common/sprintf.c +++ b/firmware/common/sprintf.c @@ -27,6 +27,7 @@ #include <stdarg.h> #include <string.h> #include <stdbool.h> +#include <limits.h> #include "file.h" /* for write(), used in fprintf() */ #include "sprintf.h" /* to allow the simulator magic */ @@ -75,6 +76,8 @@ static int format( precision = 10*precision + ch - '0'; ch = *fmt++; } + } else { + precision = INT_MAX; } str = tmpbuf + sizeof tmpbuf - 1; @@ -86,8 +89,6 @@ static int format( case 's': str = va_arg (ap, char*); - if(precision > 0) - str[precision] = '\0'; break; case 'd': @@ -160,7 +161,7 @@ static int format( while (width-- > 0 && ok) ok=push(userp, pad); } - while (*str != '\0' && ok) + while (*str != '\0' && ok && precision--) ok=push(userp, *str++); } else |