diff options
| -rw-r--r-- | editors/awk.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/editors/awk.c b/editors/awk.c index f7b8ef0d3..3594717b1 100644 --- a/editors/awk.c +++ b/editors/awk.c @@ -2348,17 +2348,19 @@ static char *awk_printf(node *n, size_t *len) s = f; while (*f && *f != '%') f++; - c = *++f; - if (c == '%') { /* double % */ - slen = f - s; - s = xstrndup(s, slen); - f++; - goto tail; - } - while (*f && !isalpha(*f)) { - if (*f == '*') - syntax_error("%*x formats are not supported"); - f++; + if (*f) { + c = *++f; + if (c == '%') { /* double % */ + slen = f - s; + s = xstrndup(s, slen); + f++; + goto tail; + } + while (*f && !isalpha(*f)) { + if (*f == '*') + syntax_error("%*x formats are not supported"); + f++; + } } c = *f; if (!c) { |