diff options
Diffstat (limited to 'bfd/doc')
| -rw-r--r-- | bfd/doc/chew.c | 24 |
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 |