htex

commit 82a1932446c5a97096f43bca13fe06ea2ae169f7
parent f0e7578992f487aa0c587c9373aef11410a0b222
Author: Robin <kroekerrobin@gmail.com>
Date:   Sun, 16 Feb 2025 19:02:28 +0100

Add NULL pointer checks

Diffstat:
M
Makefile
 | 
2
+-
M
src/html.c
 | 
8
++++----

2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/Makefile b/Makefile
@@ -4,7 +4,7 @@ MANPREFIX = $(PREFIX)/share/man
 all:
 	$(CC) -O -pedantic -Werror -Wall -o htex src/misc.c src/html.c htex.c -lgrapheme
 debug:
-	$(CC) -fsanitize=address -O -pedantic -Werror -Wall -o htex src/misc.c src/html.c htex.c -lgrapheme
+	$(CC) -g -pedantic -Werror -Wall -o htex src/misc.c src/html.c htex.c -lgrapheme
 clean:
 	rm htex
 install: all
diff --git a/src/html.c b/src/html.c
@@ -166,11 +166,11 @@ static inline bool ascii_is_whitespace(uint_least32_t cp)
 
 static bool find_opts_exist(struct FindOpts *opts)
 {
-	if (strlen(opts->tag) > 0)
+	if (opts->tag && strlen(opts->tag) > 0)
 		return true;
-	if (strlen(opts->attr) > 0)
+	if (opts->attr && strlen(opts->attr) > 0)
 		return true;
-	if (strlen(opts->key) > 0)
+	if (opts->key && strlen(opts->key) > 0)
 		return true;
 	return false;
 }
@@ -538,7 +538,7 @@ static void tag_find(struct Tag *tag, struct FindOpts *opts, struct TagList *fou
     }
     if (!string_is_empty(opts->attr)) {
         for (int i=0; i<tag->attrs_len; i++) {
-            if (strcmp(tag->attrs[i]->value, opts->attr) == 0)
+            if (tag->attrs[i]->value && strcmp(tag->attrs[i]->value, opts->attr) == 0)
                 matches_attr_value = true;
         }
     }