#include <unistd.h>
#define LINENOISE_MAX_LINE 4096
+static char *unsupported_term[] = {"dumb","cons25",NULL};
static struct termios orig_termios; /* in order to restore at exit */
static int rawmode = 0; /* for atexit() function to check if restore is needed*/
char **history = NULL;
static void linenoiseAtExit(void);
-int linenoiseHistoryAdd(char *line);
+int linenoiseHistoryAdd(const char *line);
+
+static int isUnsupportedTerm(void) {
+ char *term = getenv("TERM");
+ int j;
+
+ if (term == NULL) return 0;
+ for (j = 0; unsupported_term[j]; j++)
+ if (!strcasecmp(term,unsupported_term[j])) return 1;
+ return 0;
+}
static void freeHistory(void) {
if (history) {
errno = EINVAL;
return -1;
}
- if (enableRawMode(fd) == -1) return -1;
- count = linenoisePrompt(fd, buf, buflen, prompt);
- disableRawMode(fd);
- printf("\n");
+ if (!isatty(STDIN_FILENO)) {
+ if (fgets(buf, buflen, stdin) == NULL) return -1;
+ count = strlen(buf);
+ if (count && buf[count-1] == '\n') {
+ count--;
+ buf[count] = '\0';
+ }
+ } else {
+ if (enableRawMode(fd) == -1) return -1;
+ count = linenoisePrompt(fd, buf, buflen, prompt);
+ disableRawMode(fd);
+ printf("\n");
+ }
return count;
}
char buf[LINENOISE_MAX_LINE];
int count;
- count = linenoiseRaw(buf,LINENOISE_MAX_LINE,prompt);
- if (count == -1) return NULL;
- return strdup(buf);
+ if (isUnsupportedTerm()) {
+ size_t len;
+
+ printf("%s",prompt);
+ fflush(stdout);
+ if (fgets(buf,LINENOISE_MAX_LINE,stdin) == NULL) return NULL;
+ len = strlen(buf);
+ while(len && (buf[len-1] == '\n' || buf[len-1] == '\r')) {
+ len--;
+ buf[len] = '\0';
+ }
+ return strdup(buf);
+ } else {
+ count = linenoiseRaw(buf,LINENOISE_MAX_LINE,prompt);
+ if (count == -1) return NULL;
+ return strdup(buf);
+ }
}
/* Using a circular buffer is smarter, but a bit more complex to handle. */
-int linenoiseHistoryAdd(char *line) {
+int linenoiseHistoryAdd(const char *line) {
+ char *linecopy;
+
if (history_max_len == 0) return 0;
if (history == 0) {
history = malloc(sizeof(char*)*history_max_len);
if (history == NULL) return 0;
memset(history,0,(sizeof(char*)*history_max_len));
}
- line = strdup(line);
- if (!line) return 0;
+ linecopy = strdup(line);
+ if (!linecopy) return 0;
if (history_len == history_max_len) {
memmove(history,history+1,sizeof(char*)*(history_max_len-1));
history_len--;
}
- history[history_len] = line;
+ history[history_len] = linecopy;
history_len++;
return 1;
}