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-rw-r--r--src/shell.c117
1 files changed, 81 insertions, 36 deletions
diff --git a/src/shell.c b/src/shell.c
index e0d0b78b7..cf2481a37 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -25,6 +25,13 @@
#endif
/*
+** No support for loadable extensions in VxWorks.
+*/
+#if defined(_WRS_KERNEL) && !SQLITE_OMIT_LOAD_EXTENSION
+# define SQLITE_OMIT_LOAD_EXTENSION 1
+#endif
+
+/*
** Enable large-file support for fopen() and friends on unix.
*/
#ifndef SQLITE_DISABLE_LFS
@@ -59,18 +66,38 @@
# include <readline/readline.h>
# include <readline/history.h>
#endif
+
#if HAVE_EDITLINE
-# undef HAVE_READLINE
-# define HAVE_READLINE 1
# include <editline/readline.h>
#endif
-#if !HAVE_READLINE
-# define add_history(X)
-# define read_history(X)
-# define write_history(X)
-# define stifle_history(X)
+
+#if HAVE_EDITLINE || HAVE_READLINE
+
+# define shell_add_history(X) add_history(X)
+# define shell_read_history(X) read_history(X)
+# define shell_write_history(X) write_history(X)
+# define shell_stifle_history(X) stifle_history(X)
+# define shell_readline(X) readline(X)
+
+#elif HAVE_LINENOISE
+
+# include "linenoise.h"
+# define shell_add_history(X) linenoiseHistoryAdd(X)
+# define shell_read_history(X) linenoiseHistoryLoad(X)
+# define shell_write_history(X) linenoiseHistorySave(X)
+# define shell_stifle_history(X) linenoiseHistorySetMaxLen(X)
+# define shell_readline(X) linenoise(X)
+
+#else
+
+# define shell_read_history(X)
+# define shell_write_history(X)
+# define shell_stifle_history(X)
+
+# define SHELL_USE_LOCAL_GETLINE 1
#endif
+
#if defined(_WIN32) || defined(WIN32)
# include <io.h>
# include <fcntl.h>
@@ -87,10 +114,15 @@
*/
extern int isatty(int);
-/* popen and pclose are not C89 functions and so are sometimes omitted from
-** the <stdio.h> header */
-extern FILE *popen(const char*,const char*);
-extern int pclose(FILE*);
+#if !defined(__RTP__) && !defined(_WRS_KERNEL)
+ /* popen and pclose are not C89 functions and so are sometimes omitted from
+ ** the <stdio.h> header */
+ extern FILE *popen(const char*,const char*);
+ extern int pclose(FILE*);
+#else
+# define SQLITE_OMIT_POPEN 1
+#endif
+
#endif
#if defined(_WIN32_WCE)
@@ -145,11 +177,19 @@ static sqlite3_int64 timeOfDay(void){
return t;
}
-#if !defined(_WIN32) && !defined(WIN32) && !defined(_WRS_KERNEL) \
- && !defined(__minux)
+#if !defined(_WIN32) && !defined(WIN32) && !defined(__minux)
#include <sys/time.h>
#include <sys/resource.h>
+/* VxWorks does not support getrusage() as far as we can determine */
+#if defined(_WRS_KERNEL) || defined(__RTP__)
+struct rusage {
+ struct timeval ru_utime; /* user CPU time used */
+ struct timeval ru_stime; /* system CPU time used */
+};
+#define getrusage(A,B) memset(B,0,sizeof(*B))
+#endif
+
/* Saved resource information for the beginning of an operation */
static struct rusage sBegin; /* CPU time at start */
static sqlite3_int64 iBegin; /* Wall-clock time at start */
@@ -175,8 +215,8 @@ static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
*/
static void endTimer(void){
if( enableTimer ){
- struct rusage sEnd;
sqlite3_int64 iEnd = timeOfDay();
+ struct rusage sEnd;
getrusage(RUSAGE_SELF, &sEnd);
printf("Run Time: real %.3f user %f sys %f\n",
(iEnd - iBegin)*0.001,
@@ -451,14 +491,14 @@ static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
zResult = local_getline(zPrior, in);
}else{
zPrompt = isContinuation ? continuePrompt : mainPrompt;
-#if HAVE_READLINE
- free(zPrior);
- zResult = readline(zPrompt);
- if( zResult && *zResult ) add_history(zResult);
-#else
+#if SHELL_USE_LOCAL_GETLINE
printf("%s", zPrompt);
fflush(stdout);
zResult = local_getline(zPrior, stdin);
+#else
+ free(zPrior);
+ zResult = shell_readline(zPrompt);
+ if( zResult && *zResult ) shell_add_history(zResult);
#endif
}
return zResult;
@@ -2419,7 +2459,9 @@ static void tryToClone(ShellState *p, const char *zNewDb){
*/
static void output_reset(ShellState *p){
if( p->outfile[0]=='|' ){
+#ifndef SQLITE_OMIT_POPEN
pclose(p->out);
+#endif
}else{
output_file_close(p->out);
}
@@ -2912,9 +2954,14 @@ static int do_meta_command(char *zLine, ShellState *p){
sCtx.zFile = zFile;
sCtx.nLine = 1;
if( sCtx.zFile[0]=='|' ){
+#ifdef SQLITE_OMIT_POPEN
+ fprintf(stderr, "Error: pipes are not supporte in this OS\n");
+ return 1;
+#else
sCtx.in = popen(sCtx.zFile+1, "r");
sCtx.zFile = "<pipe>";
xCloser = pclose;
+#endif
}else{
sCtx.in = fopen(sCtx.zFile, "rb");
xCloser = fclose;
@@ -3237,6 +3284,11 @@ static int do_meta_command(char *zLine, ShellState *p){
}
output_reset(p);
if( zFile[0]=='|' ){
+#ifdef SQLITE_OMIT_POPEN
+ fprintf(stderr,"Error: pipes are not supported in this OS\n");
+ rc = 1;
+ p->out = stdout;
+#else
p->out = popen(zFile + 1, "w");
if( p->out==0 ){
fprintf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
@@ -3245,6 +3297,7 @@ static int do_meta_command(char *zLine, ShellState *p){
}else{
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
}
+#endif
}else{
p->out = output_file_open(zFile);
if( p->out==0 ){
@@ -4169,7 +4222,7 @@ static char *find_home_dir(void){
**
** Returns the number of errors.
*/
-static int process_sqliterc(
+static void process_sqliterc(
ShellState *p, /* Configuration data */
const char *sqliterc_override /* Name of config file. NULL to use default */
){
@@ -4177,15 +4230,13 @@ static int process_sqliterc(
const char *sqliterc = sqliterc_override;
char *zBuf = 0;
FILE *in = NULL;
- int rc = 0;
if (sqliterc == NULL) {
home_dir = find_home_dir();
if( home_dir==0 ){
-#if !defined(__RTP__) && !defined(_WRS_KERNEL)
- fprintf(stderr,"%s: Error: cannot locate your home directory\n", Argv0);
-#endif
- return 1;
+ fprintf(stderr, "-- warning: cannot find home directory;"
+ " cannot read ~/.sqliterc\n");
+ return;
}
sqlite3_initialize();
zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
@@ -4196,11 +4247,10 @@ static int process_sqliterc(
if( stdin_is_interactive ){
fprintf(stderr,"-- Loading resources from %s\n",sqliterc);
}
- rc = process_input(p,in);
+ process_input(p,in);
fclose(in);
}
sqlite3_free(zBuf);
- return rc;
}
/*
@@ -4476,10 +4526,7 @@ int main(int argc, char **argv){
** is given on the command line, look for a file named ~/.sqliterc and
** try to process it.
*/
- rc = process_sqliterc(&data,zInitFile);
- if( rc>0 ){
- return rc;
- }
+ process_sqliterc(&data,zInitFile);
/* Make a second pass through the command-line argument and set
** options. This second pass is delayed until after the initialization
@@ -4636,13 +4683,11 @@ int main(int argc, char **argv){
sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
}
}
-#if HAVE_READLINE
- if( zHistory ) read_history(zHistory);
-#endif
+ if( zHistory ) shell_read_history(zHistory);
rc = process_input(&data, 0);
if( zHistory ){
- stifle_history(100);
- write_history(zHistory);
+ shell_stifle_history(100);
+ shell_write_history(zHistory);
free(zHistory);
}
}else{
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-19 18:09:55 +0000