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Fix bad reads due to erroneous use of stdio

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This commit is contained in:
K. Lange 2018-08-17 08:36:45 +09:00
parent b79e33ad76
commit 4c103806d0
1 changed files with 7 additions and 3 deletions
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10
apps/bim.c
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@ -138,8 +138,10 @@ int bim_getch(void) {
#ifdef __linux__
struct pollfd fds[] = {STDIN_FILENO,POLLIN,0};
int ret = poll(fds,1,200);
if (ret > 0) {
return fgetc(stdin);
if (ret > 0 && fds[0].revents & POLLIN) {
char buf[1];
read(STDIN_FILENO, buf, 1);
return buf[0];
} else {
return -1;
}
@ -147,7 +149,9 @@ int bim_getch(void) {
int fds[] = {STDIN_FILENO};
int index = fswait2(1,fds,200);
if (index == 0) {
return fgetc(stdin);
char buf[1];
read(STDIN_FILENO, buf, 1);
return buf[0];
} else {
return -1;
}