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Check-in [bc3bf7c6]
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Overview
Comment:Fix the sqlite3_load_extension() interface so that it tolerates backslashes in place of forward-slashes in pathnames on Windows.
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SHA3-256: bc3bf7c6681a96bc18a1ed02f0ccced4731d5dab45f60c347dd1841706e6b62a
User & Date: drh 2020-04-25 21:05:51
References
2020-04-26
14:33
Fix an issue with check-in [bc3bf7c6681a96bc] when compiling on Windows. (check-in: 57b16d8c user: drh tags: trunk)
Context
2020-04-26
14:33
Fix an issue with check-in [bc3bf7c6681a96bc] when compiling on Windows. (check-in: 57b16d8c user: drh tags: trunk)
2020-04-25
21:05
Fix the sqlite3_load_extension() interface so that it tolerates backslashes in place of forward-slashes in pathnames on Windows. (check-in: bc3bf7c6 user: drh tags: trunk)
15:01
Ensure affinity is not discarded from a view column if the view appears on the rhs of a LEFT JOIN. Fix for [45f4bf4e]. (check-in: ac31edd3 user: dan tags: trunk)
Changes
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Changes to src/loadext.c.

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    int ncFile = sqlite3Strlen30(zFile);
    zAltEntry = sqlite3_malloc64(ncFile+30);
    if( zAltEntry==0 ){
      sqlite3OsDlClose(pVfs, handle);
      return SQLITE_NOMEM_BKPT;
    }
    memcpy(zAltEntry, "sqlite3_", 8);



    for(iFile=ncFile-1; iFile>=0 && zFile[iFile]!='/'; iFile--){}

    iFile++;
    if( sqlite3_strnicmp(zFile+iFile, "lib", 3)==0 ) iFile += 3;
    for(iEntry=8; (c = zFile[iFile])!=0 && c!='.'; iFile++){
      if( sqlite3Isalpha(c) ){
        zAltEntry[iEntry++] = (char)sqlite3UpperToLower[(unsigned)c];
      }
    }








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    int ncFile = sqlite3Strlen30(zFile);
    zAltEntry = sqlite3_malloc64(ncFile+30);
    if( zAltEntry==0 ){
      sqlite3OsDlClose(pVfs, handle);
      return SQLITE_NOMEM_BKPT;
    }
    memcpy(zAltEntry, "sqlite3_", 8);
#if SQLITE_OS_WIN
    for(iFile=ncFile-1; iFile>=0 && ((c=zFile[iFile]!='/')||c=='\\'); iFile--){}
#else
    for(iFile=ncFile-1; iFile>=0 && zFile[iFile]!='/'; iFile--){}
#endif
    iFile++;
    if( sqlite3_strnicmp(zFile+iFile, "lib", 3)==0 ) iFile += 3;
    for(iEntry=8; (c = zFile[iFile])!=0 && c!='.'; iFile++){
      if( sqlite3Isalpha(c) ){
        zAltEntry[iEntry++] = (char)sqlite3UpperToLower[(unsigned)c];
      }
    }
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