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Add the printf() SQL function.

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FossilOrigin-Name: 6db7052eeefafdbf26b3153bc38600fecfb53ae6
This commit is contained in:
drh
2013-12-17 15:03:06 +00:00
parent 4a8ee3dfe2
commit a5c1416d64
7 changed files with 203 additions and 43 deletions
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19
src/sqliteInt.h
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@@ -742,6 +742,7 @@ typedef struct LookasideSlot LookasideSlot;
typedef struct Module Module;
typedef struct NameContext NameContext;
typedef struct Parse Parse;
typedef struct PrintfArguments PrintfArguments;
typedef struct RowSet RowSet;
typedef struct Savepoint Savepoint;
typedef struct Select Select;
@@ -2764,10 +2765,20 @@ void sqlite3StatusSet(int, int);
# define sqlite3IsNaN(X) 0
#endif
void sqlite3VXPrintf(StrAccum*, int, const char*, va_list);
#ifndef SQLITE_OMIT_TRACE
void sqlite3XPrintf(StrAccum*, const char*, ...);
#endif
/*
** An instance of the following structure holds information about SQL
** functions arguments that are the parameters to the printf() function.
*/
struct PrintfArguments {
int nArg; /* Total number of arguments */
int nUsed; /* Number of arguments used so far */
sqlite3_value **apArg; /* The argument values */
};
#define SQLITE_PRINTF_INTERNAL 0x01
#define SQLITE_PRINTF_SQLFUNC 0x02
void sqlite3VXPrintf(StrAccum*, u32, const char*, va_list);
void sqlite3XPrintf(StrAccum*, u32, const char*, ...);
char *sqlite3MPrintf(sqlite3*,const char*, ...);
char *sqlite3VMPrintf(sqlite3*,const char*, va_list);
char *sqlite3MAppendf(sqlite3*,char*,const char*,...);