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| Comment: | Performance enhancement to sqlite3_snprintf(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
c53dca7fadd81ea340fef776373cbb12 |
| User & Date: | drh 2016-11-25 15:47:53 |
|
2016-11-25
| ||
| 17:03 | Small performance increase and size reduction in the OP_Column opcode. (check-in: a9498407 user: drh tags: trunk) | |
| 15:47 | Performance enhancement to sqlite3_snprintf(). (check-in: c53dca7f user: drh tags: trunk) | |
| 15:11 | Performance improvement in sqlite3StrAccumFinish() for the common case where no memory allocation is required. (check-in: b6acf5d4 user: drh tags: trunk) | |
Changes to src/printf.c.
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(void)SQLITE_MISUSE_BKPT;
if( zBuf ) zBuf[0] = 0;
return zBuf;
}
#endif
sqlite3StrAccumInit(&acc, 0, zBuf, n, 0);
sqlite3VXPrintf(&acc, zFormat, ap);
return sqlite3StrAccumFinish(&acc);
}
char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){
char *z;
va_list ap;
va_start(ap,zFormat);
z = sqlite3_vsnprintf(n, zBuf, zFormat, ap);
va_end(ap);
|
| > |
1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 |
(void)SQLITE_MISUSE_BKPT;
if( zBuf ) zBuf[0] = 0;
return zBuf;
}
#endif
sqlite3StrAccumInit(&acc, 0, zBuf, n, 0);
sqlite3VXPrintf(&acc, zFormat, ap);
zBuf[acc.nChar] = 0;
return zBuf;
}
char *sqlite3_snprintf(int n, char *zBuf, const char *zFormat, ...){
char *z;
va_list ap;
va_start(ap,zFormat);
z = sqlite3_vsnprintf(n, zBuf, zFormat, ap);
va_end(ap);
|