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-rw-r--r--libc/misc/glob/glob.c3
-rw-r--r--libc/misc/regex/regex_old.c11
-rw-r--r--libc/misc/search/_hsearch_r.c5
-rw-r--r--libc/misc/wordexp/wordexp.c30
4 files changed, 18 insertions, 31 deletions
diff --git a/libc/misc/glob/glob.c b/libc/misc/glob/glob.c
index 00c49688f..8d3e3c450 100644
--- a/libc/misc/glob/glob.c
+++ b/libc/misc/glob/glob.c
@@ -482,8 +482,7 @@ static int glob_in_dir (const char *pattern, const char *directory, int flags,
}
while (names != NULL)
{
- if (names->name != NULL)
- free (names->name);
+ free (names->name);
names = names->next;
}
return GLOB_NOSPACE;
diff --git a/libc/misc/regex/regex_old.c b/libc/misc/regex/regex_old.c
index 57b97ae68..7a9c4d7e0 100644
--- a/libc/misc/regex/regex_old.c
+++ b/libc/misc/regex/regex_old.c
@@ -5132,7 +5132,7 @@ strong_alias(__re_search_2, re_search_2)
#ifdef MATCH_MAY_ALLOCATE
# define FREE_VAR(var) if (var) REGEX_FREE (var); var = NULL
#else
-# define FREE_VAR(var) if (var) free (var); var = NULL
+# define FREE_VAR(var) free (var); var = NULL
#endif
#ifdef WCHAR
@@ -8313,20 +8313,17 @@ void
regfree (preg)
regex_t *preg;
{
- if (preg->buffer != NULL)
- free (preg->buffer);
+ free (preg->buffer);
preg->buffer = NULL;
preg->allocated = 0;
preg->used = 0;
- if (preg->fastmap != NULL)
- free (preg->fastmap);
+ free (preg->fastmap);
preg->fastmap = NULL;
preg->fastmap_accurate = 0;
- if (preg->translate != NULL)
- free (preg->translate);
+ free (preg->translate);
preg->translate = NULL;
}
#if defined _LIBC || defined __UCLIBC__
diff --git a/libc/misc/search/_hsearch_r.c b/libc/misc/search/_hsearch_r.c
index 257c0610c..c9c4a9ccf 100644
--- a/libc/misc/search/_hsearch_r.c
+++ b/libc/misc/search/_hsearch_r.c
@@ -110,9 +110,8 @@ void hdestroy_r (struct hsearch_data *htab)
return;
}
- if (htab->table != NULL)
- /* free used memory */
- free (htab->table);
+ /* free used memory */
+ free (htab->table);
/* the sign for an existing table is an value != NULL in htable */
htab->table = NULL;
diff --git a/libc/misc/wordexp/wordexp.c b/libc/misc/wordexp/wordexp.c
index 6872a65ba..45d5a876e 100644
--- a/libc/misc/wordexp/wordexp.c
+++ b/libc/misc/wordexp/wordexp.c
@@ -1076,8 +1076,7 @@ parse_comm(char **word, size_t * word_length, size_t * max_length,
}
/* Premature end */
- if (comm)
- free(comm);
+ free(comm);
return WRDE_SYNTAX;
}
@@ -1370,8 +1369,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
&buffer[20]);
*word = w_addstr(*word, word_length, max_length, value);
free(env);
- if (pattern)
- free(pattern);
+ free(pattern);
return *word ? 0 : WRDE_NOSPACE;
}
/* Is it `$*' or `$@' (unquoted) ? */
@@ -1530,8 +1528,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
if (free_value)
free(value);
- if (expanded)
- free(expanded);
+ free(expanded);
goto do_error;
}
@@ -1550,8 +1547,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
if (free_value)
free(value);
- if (expanded)
- free(expanded);
+ free(expanded);
goto do_error;
}
@@ -1573,8 +1569,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
goto no_space;
}
- if (pattern)
- free(pattern);
+ free(pattern);
pattern = expanded;
}
@@ -1723,7 +1718,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
/* Substitute parameter */
break;
- if (free_value && value)
+ if (free_value)
free(value);
if (!colon_seen && value)
@@ -1740,7 +1735,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
case ACT_NONNULL_SUBST:
if (value && (*value || !colon_seen)) {
- if (free_value && value)
+ if (free_value)
free(value);
value = pattern ? strdup(pattern) : pattern;
@@ -1769,7 +1764,7 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
goto success;
}
- if (free_value && value)
+ if (free_value)
free(value);
value = pattern ? strdup(pattern) : pattern;
@@ -1895,11 +1890,9 @@ parse_param(char **word, size_t * word_length, size_t * max_length,
error = WRDE_SYNTAX;
do_error:
- if (env)
- free(env);
+ free(env);
- if (pattern)
- free(pattern);
+ free(pattern);
return error;
}
@@ -2269,8 +2262,7 @@ int wordexp(const char *words, wordexp_t * we, int flags)
* set we members back to what they were.
*/
- if (word != NULL)
- free(word);
+ free(word);
if (error == WRDE_NOSPACE)
return WRDE_NOSPACE;