‘strncpy’ output truncated before terminating nul copying as many bytes from a string as its length

錯誤信息:

In function ‘AllocString’,
    inlined from ‘SetData’ at /home/yeqiang/Downloads/openjdk-jdk-14-23/src/java.desktop/share/native/liblcms/cmscgats.c:1586:47,
    inlined from ‘cmsIT8SetDataRowCol’ at /home/yeqiang/Downloads/openjdk-jdk-14-23/src/java.desktop/share/native/liblcms/cmscgats.c:2613:12:
/home/yeqiang/Downloads/openjdk-jdk-14-23/src/java.desktop/share/native/liblcms/cmscgats.c:1146:14: error: ‘strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Werror=stringop-truncation]
 1146 |     if (ptr) strncpy (ptr, str, Size-1);
      |              ^~~~~~~~~~~~~~~~~~~~~~~~~~
/home/yeqiang/Downloads/openjdk-jdk-14-23/src/java.desktop/share/native/liblcms/cmscgats.c: In function ‘cmsIT8SetDataRowCol’:
/home/yeqiang/Downloads/openjdk-jdk-14-23/src/java.desktop/share/native/liblcms/cmscgats.c:1141:46: note: length computed here
 1141 |     cmsUInt32Number Size = (cmsUInt32Number) strlen(str)+1;
      |                                              ^~~~~~~~~~~

添加gcc編譯參數 -Wno-stringop-truncation

 

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