Fix the JSON1 extension so that it renders integers outside the range

of -9223372036854775808 to +9223372036854775807 as floating-point numbers.

FossilOrigin-Name: ae736e35fb59c9aed33a8c805cf2ecdee528051f
This commit is contained in:
drh 2015-10-09 18:21:43 +00:00
parent 6cac258245
commit 8deb4b8b17
3 changed files with 36 additions and 14 deletions

@ -34,6 +34,11 @@ SQLITE_EXTENSION_INIT1
#define UNUSED_PARAM(X) (void)(X)
#ifndef LARGEST_INT64
# define LARGEST_INT64 (0xffffffff|(((sqlite3_int64)0x7fffffff)<<32))
# define SMALLEST_INT64 (((sqlite3_int64)-1) - LARGEST_INT64)
#endif
/*
** Versions of isspace(), isalnum() and isdigit() to which it is safe
** to pass signed char values.
@ -478,18 +483,35 @@ static void jsonReturn(
sqlite3_result_int(pCtx, 0);
break;
}
case JSON_REAL: {
double r = strtod(pNode->u.zJContent, 0);
sqlite3_result_double(pCtx, r);
break;
}
case JSON_INT: {
sqlite3_int64 i = 0;
const char *z = pNode->u.zJContent;
if( z[0]=='-' ){ z++; }
while( z[0]>='0' && z[0]<='9' ){ i = i*10 + *(z++) - '0'; }
while( z[0]>='0' && z[0]<='9' ){
unsigned v = *(z++) - '0';
if( i>=LARGEST_INT64/10 ){
if( z[0]>='0' && z[0]<='9' ) goto int_as_real;
if( v==9 ) goto int_as_real;
if( v==8 ){
if( pNode->u.zJContent[0]=='-' ){
sqlite3_result_int64(pCtx, SMALLEST_INT64);
goto int_done;
}else{
goto int_as_real;
}
}
}
i = i*10 + v;
}
if( pNode->u.zJContent[0]=='-' ){ i = -i; }
sqlite3_result_int64(pCtx, i);
int_done:
break;
int_as_real: /* fall through to real */;
}
case JSON_REAL: {
double r = strtod(pNode->u.zJContent, 0);
sqlite3_result_double(pCtx, r);
break;
}
case JSON_STRING: {

@ -1,5 +1,5 @@
C Remove\sfts5\ssources\sfrom\sTESTSRC2\sin\smain.mk\sas\sthere\sis\sno\sSQLITE_TEST\scode\sin\ssaid\sfiles.
D 2015-10-09T17:54:10.922
C Fix\sthe\sJSON1\sextension\sso\sthat\sit\srenders\sintegers\soutside\sthe\srange\nof\s-9223372036854775808\sto\s+9223372036854775807\sas\sfloating-point\snumbers.
D 2015-10-09T18:21:43.153
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in f0088ff0d2ac949fce6de7c00f13a99ac5bdb663
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -198,7 +198,7 @@ F ext/misc/eval.c f971962e92ebb8b0a4e6b62949463ee454d88fa2
F ext/misc/fileio.c d4171c815d6543a9edef8308aab2951413cd8d0f
F ext/misc/fuzzer.c 4c84635c71c26cfa7c2e5848cf49fe2d2cfcd767
F ext/misc/ieee754.c b0362167289170627659e84173f5d2e8fee8566e
F ext/misc/json1.c e1822098b8131133f24800bda551c56877244ceb
F ext/misc/json1.c 2b26b004bf6f3bf0a63b7967d06f9db41701db6e
F ext/misc/nextchar.c 35c8b8baacb96d92abbb34a83a997b797075b342
F ext/misc/percentile.c bcbee3c061b884eccb80e21651daaae8e1e43c63
F ext/misc/regexp.c af92cdaa5058fcec1451e49becc7ba44dba023dc
@ -1390,7 +1390,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
P 8a4e19888f512c3ee95aa3040924fc932fbdab1a
R 38dcee8daf6135103e889e1478dbb9d1
U dan
Z 6a0f067a32a63752086ec828c1e4d102
P c1840639b8ce8314602cd2396a324de8fac98dbe
R 0a0d9dafaf6405334993e0ec52446217
U drh
Z 3ad870ec9ba73f21ea47e4c129fbbfc2

@ -1 +1 @@
c1840639b8ce8314602cd2396a324de8fac98dbe
ae736e35fb59c9aed33a8c805cf2ecdee528051f