diff options
| -rw-r--r-- | char.c | 6 | ||||
| -rw-r--r-- | tokenize.c | 3 | ||||
| -rw-r--r-- | validation/escapes.c | 2 | ||||
| -rw-r--r-- | validation/preprocessor/early-escape.c | 1 |
4 files changed, 7 insertions, 5 deletions
@@ -54,7 +54,13 @@ static const char *parse_escape(const char *p, unsigned *val, const char *end, i break; } default: /* everything else is left as is */ + warning(pos, "unknown escape sequence: '\\%c'", c); break; + case '\\': + case '\'': + case '"': + case '?': + break; /* those are legal, so no warnings */ } *val = c & ~((~0U << (bits - 1)) << 1); return p; @@ -615,9 +615,6 @@ static int eat_string(int next, stream_t *stream, enum token_type type) want_hex = 0; escape = next == '\\'; } else { - if (!(cclass[next + 1] & Escape)) - warning(stream_pos(stream), - "Unknown escape '%c'", next); escape = 0; want_hex = next == 'x'; } diff --git a/validation/escapes.c b/validation/escapes.c index 5f526b9c..604a37d3 100644 --- a/validation/escapes.c +++ b/validation/escapes.c @@ -18,10 +18,10 @@ static char d_oct[3] = "\141"; * check-name: Character escape sequences * * check-error-start -escapes.c:6:26: warning: Unknown escape 'c' escapes.c:3:34: warning: hex escape sequence out of range escapes.c:3:44: warning: hex escape sequence out of range escapes.c:4:18: warning: hex escape sequence out of range +escapes.c:6:24: warning: unknown escape sequence: '\c' escapes.c:6:30: warning: multi-character character constant escapes.c:6:39: warning: multi-character character constant escapes.c:6:47: warning: hex escape sequence out of range diff --git a/validation/preprocessor/early-escape.c b/validation/preprocessor/early-escape.c index c7beba5d..5ca5e8f4 100644 --- a/validation/preprocessor/early-escape.c +++ b/validation/preprocessor/early-escape.c @@ -11,7 +11,6 @@ * for a token which is excluded by the preprocessor. * check-name: early-escape * check-command: sparse -E $file - * check-known-to-fail * * check-output-start |