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Continuing work toward supporting unsigned 32-bit page numbers.

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FossilOrigin-Name: 9ce1710aad43cebe5ad50859c7685fb83e40cdd4a60913bd2b7e659bc59942fd
This commit is contained in:
drh
2020-07-22 13:38:04 +00:00
parent 55550b7602
commit abc3815860
17 changed files with 109 additions and 83 deletions
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18
src/util.c
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@@ -863,6 +863,24 @@ int sqlite3Atoi(const char *z){
return x;
}
/*
** Try to convert z into an unsigned 32-bit integer. Return true on
** success and false if there is an error.
**
** Only decimal notation is accepted.
*/
int sqlite3GetUInt32(const char *z, u32 *pI){
u64 v = 0;
int i;
for(i=0; sqlite3Isdigit(z[i]); i++){
v = v*10 + z[i] - '0';
if( v>4294967296LL ) return 0;
}
if( i==0 || z[i]!=0 ) return 0;
*pI = (u32)v;
return 1;
}
/*
** The variable-length integer encoding is as follows:
**