diff options
Diffstat (limited to 'posix/gawkmisc.c')
| -rw-r--r-- | posix/gawkmisc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/posix/gawkmisc.c b/posix/gawkmisc.c index 8388212f..2e70cf9c 100644 --- a/posix/gawkmisc.c +++ b/posix/gawkmisc.c @@ -106,8 +106,8 @@ optimal_bufsize(int fd, struct stat *stb) if ((val = getenv("AWKBUFSIZE")) != NULL) { if (strcmp(val, "exact") == 0) exact = TRUE; - else if (isdigit(*val)) { - for (; *val && isdigit(*val); val++) + else if (isdigit((unsigned char) *val)) { + for (; *val && isdigit((unsigned char) *val); val++) env_val = (env_val * 10) + *val - '0'; return env_val; |