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Add the ".vfslist" command to the command-line shell.

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FossilOrigin-Name: 5727562b75edf25102cd72607c420d245379c96d
This commit is contained in:
drh
2016-01-12 19:37:20 +00:00
parent d1dd7507e4
commit b19e7352c1
3 changed files with 26 additions and 7 deletions
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19
src/shell.c
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@@ -1921,6 +1921,7 @@ static char zHelp[] =
".timer on|off Turn SQL timer on or off\n"
".trace FILE|off Output each SQL statement as it is run\n"
".vfsinfo ?AUX? Information about the top-level VFS\n"
".vfslist List all available VFSes\n"
".vfsname ?AUX? Print the name of the VFS stack\n"
".width NUM1 NUM2 ... Set column widths for \"column\" mode\n"
" Negative values right-justify\n"
@@ -4170,6 +4171,24 @@ static int do_meta_command(char *zLine, ShellState *p){
}
}else
if( c=='v' && strncmp(azArg[0], "vfslist", n)==0 ){
sqlite3_vfs *pVfs;
sqlite3_vfs *pCurrent = 0;
if( p->db ){
sqlite3_file_control(p->db, "main", SQLITE_FCNTL_VFS_POINTER, &pCurrent);
}
for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
utf8_printf(p->out, "vfs.zName = \"%s\"%s\n", pVfs->zName,
pVfs==pCurrent ? " <--- CURRENT" : "");
raw_printf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion);
raw_printf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile);
raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname);
if( pVfs->pNext ){
raw_printf(p->out, "-----------------------------------\n");
}
}
}else
if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
const char *zDbName = nArg==2 ? azArg[1] : "main";
char *zVfsName = 0;