My personal build of CMark ✏️
Added CMARK_NODE_TYPE_NONE.
This is the return value of cmark_get_node_type when the argument is a null pointer. Avoids segfault.
3 files changed, 11 insertions, 2 deletions
| Status | File Name | N° Changes | Insertions | Deletions |
| Modified | man/man3/cmark.3 | 4 | 3 | 1 |
| Modified | src/cmark.h | 2 | 2 | 0 |
| Modified | src/node.c | 7 | 6 | 1 |
diff --git a/man/man3/cmark.3 b/man/man3/cmark.3 @@ -1,4 +1,4 @@ -.TH cmark 3 "November 30, 2014" "LOCAL" "Library Functions Manual" +.TH cmark 3 "December 05, 2014" "LOCAL" "Library Functions Manual" .SH NAME .B cmark @@ -58,6 +58,8 @@ typedef enum { CMARK_NODE_FIRST_INLINE = CMARK_NODE_TEXT, CMARK_NODE_LAST_INLINE = CMARK_NODE_IMAGE, + + CMARK_NODE_NONE = -1 } cmark_node_type; .RE \f[]
diff --git a/src/cmark.h b/src/cmark.h @@ -62,6 +62,8 @@ typedef enum { CMARK_NODE_FIRST_INLINE = CMARK_NODE_TEXT, CMARK_NODE_LAST_INLINE = CMARK_NODE_IMAGE, + + CMARK_NODE_NONE = -1 } cmark_node_type;
diff --git a/src/node.c b/src/node.c @@ -77,7 +77,11 @@ cmark_node_free(cmark_node *node) { cmark_node_type cmark_node_get_type(cmark_node *node) { - return node->type; + if (node == NULL) { + return CMARK_NODE_NONE; + } else { + return node->type; + } } static const char* @@ -103,6 +107,7 @@ S_type_string(cmark_node *node) case CMARK_NODE_STRONG: return "STRONG"; case CMARK_NODE_LINK: return "LINK"; case CMARK_NODE_IMAGE: return "IMAGE"; + case CMARK_NODE_NONE: return "NONE"; } return "<unknown>";