4096 bytes line limit removed when STDIN is not a tty.
diff --git a/linenoise.c b/linenoise.c
index c10557d..411335c 100644
--- a/linenoise.c
+++ b/linenoise.c
@@ -936,24 +936,50 @@
errno = EINVAL;
return -1;
}
- if (!isatty(STDIN_FILENO)) {
- /* Not a tty: read from file / pipe. */
- if (fgets(buf, buflen, stdin) == NULL) return -1;
- count = strlen(buf);
- if (count && buf[count-1] == '\n') {
- count--;
- buf[count] = '\0';
- }
- } else {
- /* Interactive editing. */
- if (enableRawMode(STDIN_FILENO) == -1) return -1;
- count = linenoiseEdit(STDIN_FILENO, STDOUT_FILENO, buf, buflen, prompt);
- disableRawMode(STDIN_FILENO);
- printf("\n");
- }
+
+ if (enableRawMode(STDIN_FILENO) == -1) return -1;
+ count = linenoiseEdit(STDIN_FILENO, STDOUT_FILENO, buf, buflen, prompt);
+ disableRawMode(STDIN_FILENO);
+ printf("\n");
return count;
}
+/* This function is called when linenoise() is called with the standard
+ * input file descriptor not attached to a TTY. So for example when the
+ * program using linenoise is called in pipe or with a file redirected
+ * to its standard input. In this case, we want to be able to return the
+ * line regardless of its length (by default we are limited to 4k). */
+static char *linenoiseNoTTY(void) {
+ char *line = NULL;
+ size_t len = 0, maxlen = 0;
+
+ while(1) {
+ if (len == maxlen) {
+ if (maxlen == 0) maxlen = 16;
+ maxlen *= 2;
+ char *oldval = line;
+ line = realloc(line,maxlen);
+ if (line == NULL) {
+ if (oldval) free(oldval);
+ return NULL;
+ }
+ }
+ int c = fgetc(stdin);
+ if (c == EOF || c == '\n') {
+ if (c == EOF && len == 0) {
+ free(line);
+ return NULL;
+ } else {
+ line[len] = '\0';
+ return line;
+ }
+ } else {
+ line[len] = c;
+ len++;
+ }
+ }
+}
+
/* The high level function that is the main API of the linenoise library.
* This function checks if the terminal has basic capabilities, just checking
* for a blacklist of stupid terminals, and later either calls the line
@@ -963,7 +989,11 @@
char buf[LINENOISE_MAX_LINE];
int count;
- if (isUnsupportedTerm()) {
+ if (!isatty(STDIN_FILENO)) {
+ /* Not a tty: read from file / pipe. In this mode we don't want any
+ * limit to the line size, so we call a function to handle that. */
+ return linenoiseNoTTY();
+ } else if (isUnsupportedTerm()) {
size_t len;
printf("%s",prompt);
