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Overview
Comment: | Use a new algorithm for sqlite3Strlen that is slightly slower but is more like to work on a mixture of 32- and 64-bit systems. Ticket #3237, #3248. (CVS 5471) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
cb1876d8dc102be74be98dd57ac14ee6 |
User & Date: | drh 2008-07-24 17:06:48.000 |
Context
2008-07-24
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23:34 | Reduce the size of the parser allocation. Add additional instrumentation to mem2. speed1*.test uses scratch malloc. (CVS 5472) (check-in: 599a9dea8f user: drh tags: trunk) | |
17:06 | Use a new algorithm for sqlite3Strlen that is slightly slower but is more like to work on a mixture of 32- and 64-bit systems. Ticket #3237, #3248. (CVS 5471) (check-in: cb1876d8dc user: drh tags: trunk) | |
15:50 | Update the implementation of sqlite3ResultSetOfSelect() to (hopefully) make it clearer that malloc failures cannot possibly result in a crash. Ticket #3247. (CVS 5470) (check-in: 7455310931 user: drh tags: trunk) | |
Changes
Changes to src/util.c.
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10 11 12 13 14 15 16 | ** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** | | | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | ** ************************************************************************* ** Utility functions used throughout sqlite. ** ** This file contains functions for allocating memory, comparing ** strings, and stuff like that. ** ** $Id: util.c,v 1.240 2008/07/24 17:06:48 drh Exp $ */ #include "sqliteInt.h" #include <stdarg.h> #include <ctype.h> /* |
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52 53 54 55 56 57 58 59 | /* ** Return the length of a string, except do not allow the string length ** to exceed the SQLITE_LIMIT_LENGTH setting. */ int sqlite3Strlen(sqlite3 *db, const char *z){ const char *z2 = z; while( *z2 ){ z2++; } | > > > > | | | 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | /* ** Return the length of a string, except do not allow the string length ** to exceed the SQLITE_LIMIT_LENGTH setting. */ int sqlite3Strlen(sqlite3 *db, const char *z){ const char *z2 = z; int len; size_t x; while( *z2 ){ z2++; } x = z2 - z; len = 0x7fffffff & x; if( len!=x || len > db->aLimit[SQLITE_LIMIT_LENGTH] ){ return db->aLimit[SQLITE_LIMIT_LENGTH]; }else{ return len; } } /* ** Set the most recent error code and error string for the sqlite ** handle "db". The error code is set to "err_code". ** |
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