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-rw-r--r--bfd/doc/chew.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/bfd/doc/chew.c b/bfd/doc/chew.c
index ef5a22c..d436da6 100644
--- a/bfd/doc/chew.c
+++ b/bfd/doc/chew.c
@@ -1167,7 +1167,10 @@ nextword (string, word)
}
}
if (!*string)
- return 0;
+ {
+ *word = NULL;
+ return NULL;
+ }
word_start = string;
if (*string == '"')
@@ -1225,7 +1228,7 @@ nextword (string, word)
if (*string)
return string + 1;
else
- return 0;
+ return NULL;
}
dict_type *root;
@@ -1243,7 +1246,7 @@ lookup_word (word)
}
if (warning)
fprintf (stderr, "Can't find %s\n", word);
- return 0;
+ return NULL;
}
static void
@@ -1276,7 +1279,7 @@ free_words (void)
}
static void
-perform ()
+perform (void)
{
tos = stack;
@@ -1333,7 +1336,7 @@ add_to_definition (entry, word)
entry->code_length += 2;
entry->code =
(stinst_type *) realloc ((char *) (entry->code),
- entry->code_length * sizeof (word_type));
+ entry->code_length * sizeof (stinst_type));
}
entry->code[entry->code_end] = word;
@@ -1374,6 +1377,8 @@ compile (string)
{
free (word);
string = nextword (string, &word);
+ if (!string)
+ continue;
add_var (word);
string = nextword (string, &word);
}
@@ -1384,8 +1389,16 @@ compile (string)
/* Compile a word and add to dictionary. */
free (word);
string = nextword (string, &word);
+ if (!string)
+ continue;
ptr = newentry (word);
string = nextword (string, &word);
+ if (!string)
+ {
+ free (ptr->code);
+ free (ptr);
+ continue;
+ }
while (word[0] != ';')
{
@@ -1423,7 +1436,6 @@ compile (string)
}
add_to_definition (ptr, 0);
free (word);
- word = NULL;
string = nextword (string, &word);
}
else