database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Add and use the internal sqlite3DbSpanDup() interface.

Browse Source 
FossilOrigin-Name: a8e1545cb7aacb6a26a8c92a3ad4a3d584d150c3a00d2828c8adbb1ee19fcb6d
This commit is contained in:
drh
2017-12-27 19:43:22 +00:00
parent 908cc6207f
commit 9b2e0435d2
7 changed files with 28 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/malloc.c
View File

@@ -627,6 +627,19 @@ char *sqlite3DbStrNDup(sqlite3 *db, const char *z, u64 n){
return zNew;
}
/*
** The text between zStart and zEnd represents a phrase within a larger
** SQL statement. Make a copy of this phrase in space obtained form
** sqlite3DbMalloc(). Omit leading and trailing whitespace.
*/
char *sqlite3DbSpanDup(sqlite3 *db, const char *zStart, const char *zEnd){
int n;
while( sqlite3Isspace(zStart[0]) ) zStart++;
n = (int)(zEnd - zStart);
while( n>0 && sqlite3Isspace(zStart[n-1]) ) n--;
return sqlite3DbStrNDup(db, zStart, n);
}
/*
** Free any prior content in *pz and replace it with a copy of zNew.
*/