[3.9] Fix compiler warning in the xml module (GH-26245) #26248
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The newest version of gcc complains about passing un-initialized arrays
as constant pointers:
```
/Modules/expat/xmltok_ns.c: In function ‘findEncodingNS’:
/Modules/expat/xmltok.h:272:10: warning: ‘buf’ may be used uninitialized [-Wmaybe-uninitialized]
272 | (((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Modules/expat/xmltok_ns.c:95:3: note: in expansion of macro ‘XmlUtf8Convert’
95 | XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);
| ^~~~~~~~~~~~~~
/Modules/expat/xmltok.h:272:10: note: by argument 5 of type ‘const char *’ to ‘enum XML_Convert_Result(const ENCODING *, const char **, const char *, char **, const char *)’ {aka ‘enum XML_Convert_Result(const struct encoding *, const char **, const char *, char **, const char *)’}
272 | (((enc)->utf8Convert)(enc, fromP, fromLim, toP, toLim))
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Modules/expat/xmltok_ns.c:95:3: note: in expansion of macro ‘XmlUtf8Convert’
95 | XmlUtf8Convert(enc, &ptr, end, &p, p + ENCODING_MAX - 1);
| ^~~~~~~~~~~~~~
In file included from /Modules/expat/xmltok.c:1657:
/Modules/expat/xmltok_ns.c:92:8: note: ‘buf’ declared here
92 | char buf[ENCODING_MAX];
```
(cherry picked from commit be93f81)
Co-authored-by: Pablo Galindo <[email protected]>
|
@pablogsal: Status check is done, and it's a success ✅ . |
2 similar comments
|
@pablogsal: Status check is done, and it's a success ✅ . |
|
@pablogsal: Status check is done, and it's a success ✅ . |
pablogsal
approved these changes
May 19, 2021
|
@pablogsal: Status check is done, and it's a success ✅ . |
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The newest version of gcc complains about passing un-initialized arrays
as constant pointers:
(cherry picked from commit be93f81)
Co-authored-by: Pablo Galindo [email protected]