Bug #79430 [NEW]: Handling signed char on Big endian arch

From: vibhutisawant18 at gmail dot com Operating system: Ubuntu 16.04 PHP version: master-Git-2020-03-30 (Git) Package: EXIF related Bug Type: Bug Bug description:Handling signed char on Big endian arch Description: ------------ This bug is related to https://bugs.php.net/bug.php?id=79336. char data type is signed(-128 to 127) by default on x86 arch whereas char is unsigned(0 to 255) by default on s390x. In function static float php_ifd_get_float(char *data) of php-src/ext/exif/exif.c ,the 3rd byte (data[2]) is referring to -8(Hex: fffffff8 ),where as its referred to 248 (Hex: f8) on s390x as char is treated as unsigned char. could you please guide us on what could possibly help to tackle the above scenario? -- Edit bug report at https://bugs.php.net/bug.php?id=79430&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=79430&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=79430&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=79430&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=79430&r=needscript Try newer version: https://bugs.php.net/fix.php?id=79430&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=79430&r=support Expected behavior: https://bugs.php.net/fix.php?id=79430&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=79430&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=79430&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=79430&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=79430&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=79430&r=dst IIS Stability: https://bugs.php.net/fix.php?id=79430&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=79430&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=79430&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=79430&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=79430&r=mysqlcfg