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authorKristaps Dzonsons <kristaps@bsd.lv>2009-10-30 05:58:36 +0000
committerKristaps Dzonsons <kristaps@bsd.lv>2009-10-30 05:58:36 +0000
commite46c16c46ad18d40f21b251bf8995387efa68796 (patch)
tree7113f6e5fd33a5d7a1c6d20a153ccac74342f042 /mdoc.c
parente7cea9dff6d8ebb34cdba4486eef0fcc6ac84160 (diff)
downloadmandoc-e46c16c46ad18d40f21b251bf8995387efa68796.tar.gz
libmdoc and libman now using non-recoverable allocations (simpler code).
Diffstat (limited to 'mdoc.c')
-rw-r--r--mdoc.c58
1 files changed, 14 insertions, 44 deletions
diff --git a/mdoc.c b/mdoc.c
index 85fda665..fd5b291c 100644
--- a/mdoc.c
+++ b/mdoc.c
@@ -24,12 +24,12 @@
#include <string.h>
#include "libmdoc.h"
+#include "libmandoc.h"
const char *const __mdoc_merrnames[MERRMAX] = {
"trailing whitespace", /* ETAILWS */
"unexpected quoted parameter", /* EQUOTPARM */
"unterminated quoted parameter", /* EQUOTTERM */
- "system: malloc error", /* EMALLOC */
"argument parameter suggested", /* EARGVAL */
"macro disallowed in prologue", /* EBODYPROL */
"macro disallowed in body", /* EPROLBODY */
@@ -137,7 +137,7 @@ const char * const *mdoc_macronames = __mdoc_macronames;
const char * const *mdoc_argnames = __mdoc_argnames;
static void mdoc_free1(struct mdoc *);
-static int mdoc_alloc1(struct mdoc *);
+static void mdoc_alloc1(struct mdoc *);
static struct mdoc_node *node_alloc(struct mdoc *, int, int,
int, enum mdoc_type);
static int node_append(struct mdoc *,
@@ -194,21 +194,17 @@ mdoc_free1(struct mdoc *mdoc)
/*
* Allocate all volatile resources (parse tree, meta-data, fields).
*/
-static int
+static void
mdoc_alloc1(struct mdoc *mdoc)
{
memset(&mdoc->meta, 0, sizeof(struct mdoc_meta));
mdoc->flags = 0;
mdoc->lastnamed = mdoc->lastsec = SEC_NONE;
- mdoc->last = calloc(1, sizeof(struct mdoc_node));
- if (NULL == mdoc->last)
- return(0);
-
+ mdoc->last = mandoc_calloc(1, sizeof(struct mdoc_node));
mdoc->first = mdoc->last;
mdoc->last->type = MDOC_ROOT;
mdoc->next = MDOC_NEXT_CHILD;
- return(1);
}
@@ -218,12 +214,12 @@ mdoc_alloc1(struct mdoc *mdoc)
* and the parser is ready for re-invocation on a new tree; however,
* cross-parse non-volatile data is kept intact.
*/
-int
+void
mdoc_reset(struct mdoc *mdoc)
{
mdoc_free1(mdoc);
- return(mdoc_alloc1(mdoc));
+ mdoc_alloc1(mdoc);
}
@@ -248,21 +244,17 @@ mdoc_alloc(void *data, int pflags, const struct mdoc_cb *cb)
{
struct mdoc *p;
- if (NULL == (p = calloc(1, sizeof(struct mdoc))))
- return(NULL);
- if (cb)
- (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
+ p = mandoc_calloc(1, sizeof(struct mdoc));
- mdoc_hash_init();
+ if (cb)
+ memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
p->data = data;
p->pflags = pflags;
- if (mdoc_alloc1(p))
- return(p);
-
- free(p);
- return(NULL);
+ mdoc_hash_init();
+ mdoc_alloc1(p);
+ return(p);
}
@@ -438,11 +430,7 @@ node_alloc(struct mdoc *m, int line,
{
struct mdoc_node *p;
- if (NULL == (p = calloc(1, sizeof(struct mdoc_node)))) {
- (void)mdoc_nerr(m, m->last, EMALLOC);
- return(NULL);
- }
-
+ p = mandoc_calloc(1, sizeof(struct mdoc_node));
p->sec = m->lastsec;
p->line = line;
p->pos = pos;
@@ -460,8 +448,6 @@ mdoc_tail_alloc(struct mdoc *m, int line, int pos, int tok)
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_TAIL);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
@@ -478,8 +464,6 @@ mdoc_head_alloc(struct mdoc *m, int line, int pos, int tok)
assert(m->last);
p = node_alloc(m, line, pos, tok, MDOC_HEAD);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
@@ -493,8 +477,6 @@ mdoc_body_alloc(struct mdoc *m, int line, int pos, int tok)
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_BODY);
- if (NULL == p)
- return(0);
if ( ! node_append(m, p))
return(0);
m->next = MDOC_NEXT_CHILD;
@@ -509,8 +491,6 @@ mdoc_block_alloc(struct mdoc *m, int line, int pos,
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_BLOCK);
- if (NULL == p)
- return(0);
p->args = args;
if (p->args)
(args->refcnt)++;
@@ -528,8 +508,6 @@ mdoc_elem_alloc(struct mdoc *m, int line, int pos,
struct mdoc_node *p;
p = node_alloc(m, line, pos, tok, MDOC_ELEM);
- if (NULL == p)
- return(0);
p->args = args;
if (p->args)
(args->refcnt)++;
@@ -547,15 +525,7 @@ pstring(struct mdoc *m, int line, int pos, const char *p, size_t len)
size_t sv;
n = node_alloc(m, line, pos, -1, MDOC_TEXT);
- if (NULL == n)
- return(mdoc_nerr(m, m->last, EMALLOC));
-
- n->string = malloc(len + 1);
- if (NULL == n->string) {
- free(n);
- return(mdoc_nerr(m, m->last, EMALLOC));
- }
-
+ n->string = mandoc_malloc(len + 1);
sv = strlcpy(n->string, p, len + 1);
/* Prohibit truncation. */