Added Kconfig for enabling 0 length returns from linenoise
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2 changed files with 16 additions and 2 deletions
10
components/console/Kconfig
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10
components/console/Kconfig
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@ -0,0 +1,10 @@
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menu "Linenoise"
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config ESP_LINENOISE_RETURN_ZERO_STRING
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bool "Return 0 length strings"
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default n
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help
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If enabled linenoise will return 0 length strings if the user presses enter with out typing
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a command, if disabled NULL will be returned instead.
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endmenu
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@ -116,6 +116,7 @@
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#include <sys/fcntl.h>
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#include <unistd.h>
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#include "linenoise.h"
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#include "sdkconfig.h"
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#define LINENOISE_DEFAULT_HISTORY_MAX_LEN 100
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#define LINENOISE_MAX_LINE 4096
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@ -979,11 +980,14 @@ char *linenoise(const char *prompt) {
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} else {
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count = linenoiseDumb(buf, LINENOISE_MAX_LINE, prompt);
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}
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#ifdef CONFIG_ESP_LINENOISE_RETURN_ZERO_STRING
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if (count >= 0) {
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#else
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if (count > 0) {
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#endif
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sanitize(buf);
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count = strlen(buf);
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}
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if (count < 0) {
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} else {
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free(buf);
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return NULL;
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}
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