Merge branch 'PHP-7.4' of git.php.net:/php-src into PHP-7.4

* 'PHP-7.4' of git.php.net:/php-src:
  Fix #79557: extension_dir = ./ext now use current directory for base
  Fix #79596: MySQL FLOAT truncates to int some locales
  [ci skip] Fix NEWS

Author: laruence

ext/mysqlnd/mysql_float_to_double.h

@@ -31,7 +31,7 @@
 
 /*
  * Convert from a 4-byte float to a 8-byte decimal by first converting
- * the float to a string, and then the string to a double.
+ * the float to a string (ignoring localization), and then the string to a double.
  * The decimals argument specifies the precision of the output. If decimals
  * is less than zero, then a gcvt(3) like logic is used with the significant
  * digits set to FLT_DIG i.e. 6.
@@ -42,7 +42,7 @@ static inline double mysql_float_to_double(float fp4, int decimals) {
 	if (decimals < 0) {
 		php_gcvt(fp4, FLT_DIG, '.', 'e', num_buf);
 	} else {
-		sprintf(num_buf, "%.*f", decimals, fp4);
+		snprintf(num_buf, MAX_CHAR_BUF_LEN, "%.*F", decimals, fp4);
 	}
 
 	return zend_strtod(num_buf, NULL);

ext/pdo_mysql/tests/bug79596.phpt

@@ -0,0 +1,30 @@
+--TEST--
+Bug #79596 (MySQL FLOAT truncates to int some locales)
+--SKIPIF--
+<?php
+require_once(__DIR__ . DIRECTORY_SEPARATOR . 'skipif.inc');
+require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
+MySQLPDOTest::skip();
+if (!setlocale(LC_ALL, 'de_DE', 'de-DE')) die('skip German locale not available');
+?>
+--FILE--
+<?php
+require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
+
+setlocale(LC_ALL, 'de_DE', 'de-DE');
+
+$pdo = MySQLPDOTest::factory();
+$pdo->setAttribute(\PDO::ATTR_EMULATE_PREPARES, false);
+$pdo->query('CREATE TABLE bug79596 (broken FLOAT(2,1))');
+$pdo->query('INSERT INTO bug79596 VALUES(4.9)');
+var_dump($pdo->query('SELECT broken FROM bug79596')->fetchColumn(0));
+?>
+--CLEAN--
+<?php
+require_once(__DIR__ . DIRECTORY_SEPARATOR . 'mysql_pdo_test.inc');
+
+$pdo = MySQLPDOTest::factory();
+$pdo->exec("DROP TABLE IF EXISTS bug79596");
+?>
+--EXPECT--
+float(4,9)

win32/winutil.c

@@ -440,7 +440,13 @@ PHP_WINUTIL_API char *php_win32_get_username(void)
 
 static zend_always_inline BOOL is_compatible(const char *name, BOOL is_smaller, char *format, char **err)
 {/*{{{*/
-	PLOADED_IMAGE img = ImageLoad(name, NULL);
+	/* work around ImageLoad() issue */
+	char *name_stripped = name;
+	if (name[0] == '.' && IS_SLASH(name[1])) {
+		name_stripped += 2;
+	}
+
+	PLOADED_IMAGE img = ImageLoad(name_stripped, NULL);
 
 	if (!img) {
 		DWORD _err = GetLastError();