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posix main shell: fix getchar() return value and check for EOF to avoid busy loop

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Beat Küng
2018-06-13 12:10:00 +02:00
committed by Lorenz Meier
parent 226d7c79da
commit 4eda0ed782
1 changed files with 5 additions and 1 deletions
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platforms/posix/src/main.cpp
+5 -1
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@@ -533,11 +533,15 @@ int main(int argc, char **argv)
while (!_ExitFlag) { while (!_ExitFlag) {
char c = getchar(); int c = getchar();
string add_string; // string to add at current cursor position string add_string; // string to add at current cursor position
bool update_prompt = true; bool update_prompt = true;
switch (c) { switch (c) {
case EOF:
_ExitFlag = true;
break;
case 127: // backslash case 127: // backslash
if (mystr.length() - cursor_position > 0) { if (mystr.length() - cursor_position > 0) {
mystr.erase(mystr.length() - cursor_position - 1, 1); mystr.erase(mystr.length() - cursor_position - 1, 1);