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In shell, ensure that do_meta_command() returns consistent error values.

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Adjusted the text of some error message to be more consistent.
Ticket [beb2dd69ad].

FossilOrigin-Name: 1ebac9edddd28bdbbd9815fdb64eb9129f39f94a
This commit is contained in:
shane
2009-10-23 01:27:39 +00:00
parent 916f961b9e
commit 9bd1b44944
3 changed files with 59 additions and 42 deletions
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87
src/shell.c
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@@ -2302,7 +2302,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
/* Process the input line.
*/
if( nArg==0 ) return rc;
if( nArg==0 ) return 0; /* no tokens, no error */
n = strlen30(azArg[0]);
c = azArg[0][0];
if( c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 && nArg>1 ){
@@ -2310,7 +2310,6 @@ static int do_meta_command(char *zLine, struct callback_data *p){
const char *zDb;
sqlite3 *pDest;
sqlite3_backup *pBackup;
int rc;
if( nArg==2 ){
zDestFile = azArg[1];
zDb = "main";
@@ -2320,7 +2319,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
rc = sqlite3_open(zDestFile, &pDest);
if( rc!=SQLITE_OK ){
fprintf(stderr, "Error: cannot open %s\n", zDestFile);
fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
sqlite3_close(pDest);
return 1;
}
@@ -2334,9 +2333,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
sqlite3_backup_finish(pBackup);
if( rc==SQLITE_DONE ){
rc = SQLITE_OK;
rc = 0;
}else{
fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
rc = 1;
}
sqlite3_close(pDest);
}else
@@ -2360,6 +2360,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
rc = 1;
}
}else
@@ -2486,7 +2487,6 @@ static int do_meta_command(char *zLine, struct callback_data *p){
char *zTable = azArg[2]; /* Insert data into this table */
char *zFile = azArg[1]; /* The file from which to extract data */
sqlite3_stmt *pStmt = NULL; /* A statement */
int rc; /* Result code */
int nCol; /* Number of columns in the table */
int nByte; /* Number of bytes in an SQL string */
int i, j; /* Loop counters */
@@ -2520,7 +2520,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
nCol = sqlite3_column_count(pStmt);
sqlite3_finalize(pStmt);
pStmt = 0;
if( nCol==0 ) return 0;
if( nCol==0 ) return 0; /* no columns, no error */
zSql = malloc( nByte + 20 + nCol*2 );
if( zSql==0 ){
fprintf(stderr, "Error: out of memory\n");
@@ -2543,7 +2543,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
in = fopen(zFile, "rb");
if( in==0 ){
fprintf(stderr, "Error: cannot open file: %s\n", zFile);
fprintf(stderr, "Error: cannot open \"%s\"\n", zFile);
sqlite3_finalize(pStmt);
return 1;
}
@@ -2621,6 +2621,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
rc = 1;
}
}else
@@ -2637,8 +2638,9 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}else{
iotrace = fopen(azArg[1], "w");
if( iotrace==0 ){
fprintf(stderr, "cannot open \"%s\"\n", azArg[1]);
fprintf(stderr, "Error: cannot open \"%s\"\n", azArg[1]);
sqlite3IoTrace = 0;
rc = 1;
}else{
sqlite3IoTrace = iotracePrintf;
}
@@ -2650,13 +2652,12 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
const char *zFile, *zProc;
char *zErrMsg = 0;
int rc;
zFile = azArg[1];
zProc = nArg>=3 ? azArg[2] : 0;
open_db(p);
rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
if( rc!=SQLITE_OK ){
fprintf(stderr, "%s\n", zErrMsg);
fprintf(stderr, "Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
rc = 1;
}
@@ -2693,8 +2694,9 @@ static int do_meta_command(char *zLine, struct callback_data *p){
set_table_name(p, "table");
}
}else {
fprintf(stderr,"mode should be one of: "
fprintf(stderr,"Error: mode should be one of: "
"column csv html insert line list tabs tcl\n");
rc = 1;
}
}else
@@ -2713,8 +2715,9 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}else{
p->out = fopen(azArg[1], "wb");
if( p->out==0 ){
fprintf(stderr,"can't write to \"%s\"\n", azArg[1]);
fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
p->out = stdout;
rc = 1;
} else {
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
}
@@ -2737,9 +2740,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){
FILE *alt = fopen(azArg[1], "rb");
if( alt==0 ){
fprintf(stderr,"can't open \"%s\"\n", azArg[1]);
fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
rc = 1;
}else{
process_input(p, alt);
rc = process_input(p, alt);
fclose(alt);
}
}else
@@ -2749,7 +2753,6 @@ static int do_meta_command(char *zLine, struct callback_data *p){
const char *zDb;
sqlite3 *pSrc;
sqlite3_backup *pBackup;
int rc;
int nTimeout = 0;
if( nArg==2 ){
@@ -2761,7 +2764,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
rc = sqlite3_open(zSrcFile, &pSrc);
if( rc!=SQLITE_OK ){
fprintf(stderr, "Error: cannot open %s\n", zSrcFile);
fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
sqlite3_close(pSrc);
return 1;
}
@@ -2781,11 +2784,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
sqlite3_backup_finish(pBackup);
if( rc==SQLITE_DONE ){
rc = SQLITE_OK;
rc = 0;
}else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
fprintf(stderr, "source database is busy\n");
fprintf(stderr, "Error: source database is busy\n");
rc = 1;
}else{
fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
rc = 1;
}
sqlite3_close(pSrc);
}else
@@ -2813,6 +2818,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
new_colv[0] = "sql";
new_colv[1] = 0;
callback(&data, 1, new_argv, new_colv);
rc = SQLITE_OK;
}else if( strcmp(azArg[1],"sqlite_temp_master")==0 ){
char *new_argv[2], *new_colv[2];
new_argv[0] = "CREATE TEMP TABLE sqlite_temp_master (\n"
@@ -2826,9 +2832,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
new_colv[0] = "sql";
new_colv[1] = 0;
callback(&data, 1, new_argv, new_colv);
rc = SQLITE_OK;
}else{
zShellStatic = azArg[1];
sqlite3_exec(p->db,
rc = sqlite3_exec(p->db,
"SELECT sql FROM "
" (SELECT sql sql, type type, tbl_name tbl_name, name name"
" FROM sqlite_master UNION ALL"
@@ -2839,7 +2846,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
zShellStatic = 0;
}
}else{
sqlite3_exec(p->db,
rc = sqlite3_exec(p->db,
"SELECT sql FROM "
" (SELECT sql sql, type type, tbl_name tbl_name, name name"
" FROM sqlite_master UNION ALL"
@@ -2852,6 +2859,12 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
rc = 1;
}else if( rc != SQLITE_OK ){
fprintf(stderr,"Error: querying schema information\n");
rc = 1;
}else{
rc = 0;
}
}else
@@ -2883,7 +2896,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
char **azResult;
int nRow, rc;
int nRow;
char *zErrMsg;
open_db(p);
if( nArg==1 ){
@@ -2912,8 +2925,11 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);
}
if( rc==SQLITE_OK ){
rc = 1;
}else if( rc != SQLITE_OK ){
fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
rc = 1;
}else{
int len, maxlen = 0;
int i, j;
int nPrintCol, nPrintRow;
@@ -2932,8 +2948,6 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
printf("\n");
}
}else{
rc = 1;
}
sqlite3_free_table(azResult);
}else
@@ -2951,10 +2965,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
{
fprintf(stderr, "unknown command or invalid arguments: "
fprintf(stderr, "Error: unknown command or invalid arguments: "
" \"%s\". Enter \".help\" for help\n", azArg[0]);
rc = 1;
}
return rc;
@@ -3079,7 +3093,7 @@ static int process_input(struct callback_data *p, FILE *in){
nSql = strlen30(zLine);
zSql = malloc( nSql+3 );
if( zSql==0 ){
fprintf(stderr, "out of memory\n");
fprintf(stderr, "Error: out of memory\n");
exit(1);
}
memcpy(zSql, zLine, nSql+1);
@@ -3089,7 +3103,7 @@ static int process_input(struct callback_data *p, FILE *in){
int len = strlen30(zLine);
zSql = realloc( zSql, nSql + len + 4 );
if( zSql==0 ){
fprintf(stderr,"%s: out of memory!\n", Argv0);
fprintf(stderr,"Error: out of memory\n");
exit(1);
}
zSql[nSql++] = '\n';
@@ -3107,9 +3121,9 @@ static int process_input(struct callback_data *p, FILE *in){
char zPrefix[100];
if( in!=0 || !stdin_is_interactive ){
sqlite3_snprintf(sizeof(zPrefix), zPrefix,
"SQL error near line %d:", startline);
"Error: near line %d:", startline);
}else{
sqlite3_snprintf(sizeof(zPrefix), zPrefix, "SQL error:");
sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:");
}
if( zErrMsg!=0 ){
fprintf(stderr, "%s %s\n", zPrefix, zErrMsg);
@@ -3198,8 +3212,10 @@ static char *find_home_dir(void){
/*
** Read input from the file given by sqliterc_override. Or if that
** parameter is NULL, take input from ~/.sqliterc
**
** Returns the number of errors.
*/
static void process_sqliterc(
static int process_sqliterc(
struct callback_data *p, /* Configuration data */
const char *sqliterc_override /* Name of config file. NULL to use default */
){
@@ -3208,6 +3224,7 @@ static void process_sqliterc(
char *zBuf = 0;
FILE *in = NULL;
int nBuf;
int rc = 0;
if (sqliterc == NULL) {
home_dir = find_home_dir();
@@ -3215,7 +3232,7 @@ static void process_sqliterc(
#if !defined(__RTP__) && !defined(_WRS_KERNEL)
fprintf(stderr,"%s: cannot locate your home directory!\n", Argv0);
#endif
return;
return 1;
}
nBuf = strlen30(home_dir) + 16;
zBuf = malloc( nBuf );
@@ -3232,11 +3249,11 @@ static void process_sqliterc(
if( stdin_is_interactive ){
printf("-- Loading resources from %s\n",sqliterc);
}
process_input(p,in);
rc = process_input(p,in);
fclose(in);
}
free(zBuf);
return;
return rc;
}
/*