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Overview
Comment:Change sqlite3StrAccumAppend() to use realloc instead of malloc.
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SHA1: 380f61df0754ceec6b3f6a758d04e951cce8c3d9
User & Date: dan 2011-01-21 18:25:30
Context
2011-01-22
13:32
Modify the trace callback mechanism so that SQL commands executed from within virtual table or user function callbacks are passed to the trace callback without parameter expansion and enclosed in SQL comments. check-in: a764915b user: dan tags: trunk
2011-01-21
18:25
Change sqlite3StrAccumAppend() to use realloc instead of malloc. check-in: 380f61df user: dan tags: trunk
15:52
Add options to test command [do_faultsim_test] to support testing VFS implementations. check-in: 503ad889 user: dan tags: trunk
Changes
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Changes to src/printf.c.

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    if( !p->useMalloc ){
      p->tooBig = 1;
      N = p->nAlloc - p->nChar - 1;
      if( N<=0 ){
        return;
      }
    }else{

      i64 szNew = p->nChar;
      szNew += N + 1;
      if( szNew > p->mxAlloc ){
        sqlite3StrAccumReset(p);
        p->tooBig = 1;
        return;
      }else{
        p->nAlloc = (int)szNew;
      }
      if( p->useMalloc==1 ){
        zNew = sqlite3DbMallocRaw(p->db, p->nAlloc );
      }else{
        zNew = sqlite3_malloc(p->nAlloc);
      }
      if( zNew ){
        memcpy(zNew, p->zText, p->nChar);
        sqlite3StrAccumReset(p);
        p->zText = zNew;
      }else{
        p->mallocFailed = 1;
        sqlite3StrAccumReset(p);
        return;
      }
    }







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    if( !p->useMalloc ){
      p->tooBig = 1;
      N = p->nAlloc - p->nChar - 1;
      if( N<=0 ){
        return;
      }
    }else{
      char *zOld = (p->zText==p->zBase ? 0 : p->zText);
      i64 szNew = p->nChar;
      szNew += N + 1;
      if( szNew > p->mxAlloc ){
        sqlite3StrAccumReset(p);
        p->tooBig = 1;
        return;
      }else{
        p->nAlloc = (int)szNew;
      }
      if( p->useMalloc==1 ){
        zNew = sqlite3DbRealloc(p->db, zOld, p->nAlloc);
      }else{
        zNew = sqlite3_realloc(zOld, p->nAlloc);
      }
      if( zNew ){
        if( zOld==0 ) memcpy(zNew, p->zText, p->nChar);

        p->zText = zNew;
      }else{
        p->mallocFailed = 1;
        sqlite3StrAccumReset(p);
        return;
      }
    }