diff options
| author | Manuel Novoa III <mjn3@codepoet.org> | 2002-05-10 20:58:35 +0000 |
|---|---|---|
| committer | Manuel Novoa III <mjn3@codepoet.org> | 2002-05-10 20:58:35 +0000 |
| commit | d2be3a1d010ea7e953d15a2e705373735723c06e (patch) | |
| tree | c3e114e88ff0fca4a590e3b2b7aeeb705db1c494 /libc/stdio | |
| parent | b5bbbc0f5f2c2c36c56249c7b2e305eb78cab7e3 (diff) | |
Protect against ctype macros.
Diffstat (limited to 'libc/stdio')
| -rw-r--r-- | libc/stdio/scanf.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libc/stdio/scanf.c b/libc/stdio/scanf.c index a5e0d412c..96286d926 100644 --- a/libc/stdio/scanf.c +++ b/libc/stdio/scanf.c @@ -346,8 +346,9 @@ va_list ap; goto nextfmt; } if (p-spec > 3) { /* skip white space if not c or [ */ - while (isspace(scan_getc_nw(&sc))) - {} + do { + i = scan_getc_nw(&sc); + } while (isspace(i)); scan_ungetc(&sc); } if (p-spec < 5) { /* [,c,s - string conversions */ @@ -588,8 +589,9 @@ va_list ap; /* Unrecognized specifier! */ goto RETURN_cnt; } if (isspace(*fmt)) { /* Consume all whitespace. */ - while (isspace(scan_getc_nw(&sc))) - {} + do { + i = scan_getc_nw(&sc); + } while (isspace(i)); } else { /* Match the current fmt char. */ matchchar: if (scan_getc_nw(&sc) != *fmt) { |