X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fccan_tokenizer%2Fccan_tokenizer.c;fp=ccan%2Fccan_tokenizer%2Fccan_tokenizer.c;h=52858feaa8797a80422a032d0f7f12ead5ff09e6;hp=7d29e025552ba93e9a6aec802db00911b49534cb;hb=2356c14ecbb57ae1e335eb46b3c8ea78ea3f28bb;hpb=11d5072e4fb8c6032ef41a8702f983375398c55e

diff --git a/ccan/ccan_tokenizer/ccan_tokenizer.c b/ccan/ccan_tokenizer/ccan_tokenizer.c
index 7d29e025..52858fea 100644
--- a/ccan/ccan_tokenizer/ccan_tokenizer.c
+++ b/ccan/ccan_tokenizer/ccan_tokenizer.c
@@ -473,12 +473,19 @@ struct token_list *tokenize(const char *orig, size_t orig_size,
 				
 				add(.type = type,
 					{.include = include});
+				
 			} else if (c=='\'' || c=='\"') { //character or string literal
 				array_char string = array_new(tl);
 				s = read_cstring(&string, s, e, c, mq);
 				if (s<e) s++; //advance past endquote (if available)
 				add(.type = c=='\'' ? TOK_CHAR : TOK_STRING,
 				    {.string = string});
+				
+				if (c=='\'' && string.size==0) {
+					tok_msg_error(empty_char_constant, orig,
+						"Empty character constant");
+				}
+				
 			} else if (c=='/' && s<e && (*s=='*' || *s=='/')) { //comment
 				if (*s++ == '*') { /* C-style comment */
 					const char *comment_start = s-2;