fix compiler warning

7 files changed, 11 insertions, 10 deletions

diff --git a/ext/dbx/dbx_odbc.c b/ext/dbx/dbx_odbc.c
index 40f282b2bc..01a0a82aec 100644
--- a/ext/dbx/dbx_odbc.c
+++ b/ext/dbx/dbx_odbc.c
@@ -72,7 +72,6 @@ int dbx_odbc_close(zval **rv, zval **dbx_handle, INTERNAL_FUNCTION_PARAMETERS)
 	int number_of_arguments=1;
 	zval **arguments[1];
 	zval *returned_zval=NULL;
-	int exit_status=EG(exit_status);
 
 	int actual_resource_type;
 	void *resource;
diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index d44d51cd75..5a2a6109e8 100644
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -3475,7 +3475,7 @@ PHPAPI size_t php_mb_mbchar_bytes(const char *s TSRMLS_DC)
 PHPAPI char *php_mb_safe_strrchr_ex(const char *s, unsigned int c, size_t nbytes, const mbfl_encoding *enc)
 {
 	register const char *p = s;
-	char *last;
+	char *last=NULL;
 
 	if (nbytes == (size_t)-1) {
 		while (*p != '\0') {
diff --git a/ext/mysql/libmysql/string.c b/ext/mysql/libmysql/string.c
index cbf9f2ddc3..5de6428242 100644
--- a/ext/mysql/libmysql/string.c
+++ b/ext/mysql/libmysql/string.c
@@ -37,7 +37,7 @@ my_bool init_dynamic_string(DYNAMIC_STRING *str, const char *init_str,
 
 my_bool dynstr_set(DYNAMIC_STRING *str, const char *init_str)
 {
-  uint length;
+  uint length=0;
   DBUG_ENTER("dynstr_set");
 
   if (init_str && (length= (uint) strlen(init_str)+1) > str->max_length)
diff --git a/ext/pcre/php_pcre.c b/ext/pcre/php_pcre.c
index 084dd4958f..e3489415bd 100644
--- a/ext/pcre/php_pcre.c
+++ b/ext/pcre/php_pcre.c
@@ -753,16 +753,16 @@ PHPAPI char *php_pcre_replace(char *regex,   int regex_len,
 	int				 backref;			/* Backreference number */
 	int				 eval;				/* If the replacement string should be eval'ed */
 	int				 start_offset;		/* Where the new search starts */
-	int				 g_notempty = 0;	/* If the match should not be empty */
-	int				 replace_len;		/* Length of replacement string */
+	int				 g_notempty=0;		/* If the match should not be empty */
+	int				 replace_len=0;		/* Length of replacement string */
 	char			*result,			/* Result of replacement */
-					*replace,			/* Replacement string */
+					*replace=NULL,		/* Replacement string */
 					*new_buf,			/* Temporary buffer for re-allocation */
 					*walkbuf,			/* Location of current replacement in the result */
 					*walk,				/* Used to walk the replacement string */
 					*match,				/* The current match */
 					*piece,				/* The current piece of subject */
-					*replace_end,		/* End of replacement string */
+					*replace_end=NULL,	/* End of replacement string */
 					*eval_result,		/* Result of eval or custom function */
 					 walk_last;			/* Last walked character */
 
diff --git a/ext/pgsql/pgsql.c b/ext/pgsql/pgsql.c
index a4d437382c..70aa530229 100644
--- a/ext/pgsql/pgsql.c
+++ b/ext/pgsql/pgsql.c
@@ -3048,7 +3048,7 @@ PHP_FUNCTION(pg_get_notify)
 PHP_FUNCTION(pg_get_pid)
 {
 	zval *pgsql_link;
-	int id = -1, pid;
+	int id = -1;
 	PGconn *pgsql;
 
 	if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "r",
diff --git a/ext/standard/math.c b/ext/standard/math.c
index 219a269d24..dafaf05788 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -677,7 +677,7 @@ _php_math_basetolong(zval *arg, int base) {
 PHPAPI int
 _php_math_basetozval(zval *arg, int base, zval *ret) {
 	long num = 0;
-	double fnum;
+	double fnum = 0;
 	int i;
 	int mode = 0;
 	char c, *s;
diff --git a/ext/standard/string.c b/ext/standard/string.c
index 0c4a09c5ed..588943ebe4 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -915,6 +915,7 @@ PHP_FUNCTION(strtok)
 	case 1:
 		tok = args[0];
 		break;
+	default:
 	case 2:
 		str = args[0];
 		tok = args[1];
@@ -1198,7 +1199,7 @@ PHP_FUNCTION(dirname)
 PHP_FUNCTION(pathinfo)
 {
 	zval *tmp;
-	char *path, *ret;
+	char *path, *ret = NULL;
 	int path_len;
 	int opt = PHP_PATHINFO_ALL;
 
@@ -3182,6 +3183,7 @@ PHP_FUNCTION(setlocale)
 
 	if (Z_TYPE_PP(args[1]) == IS_ARRAY) {
 		zend_hash_internal_pointer_reset(Z_ARRVAL_PP(args[1]));
+		i=0; /* not needed in this case: only kill a compiler warning */
 	} else {
 		i=1;
 	}