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#include "bank.h"
int sockfd;
char* readline(char *str, int timeout){
int len;
struct timeval tv;
fd_set set;
tv.tv_sec = timeout;
tv.tv_usec = 0;
FD_ZERO(&set);
FD_SET(sockfd, &set);
if (select(sockfd + 1, &set, NULL, NULL,!timeout ? NULL : &tv) <= 0) { ///
perror("select");
exit(-1);
}
if ((len = read(sockfd, str, STRLEN * sizeof(char))) < 0){
herror("readline");
exit(-1);
}
if (len == 0)
return NULL;
str[len] = 0;
read(sockfd, &len, sizeof(char)); // chomp
return str;
}
void writeln(char *str){
char n = '\n';
write(sockfd, str, strlen(str));
write(sockfd, &n, sizeof(n));
}
void getcmd(char *buf, char *cmd, char *param){
int i;
for(i = 0; buf[i] && buf[i] != ' ' && i < STRLEN; i++)
cmd[i] = buf[i];
cmd[i] = 0;
if (!buf[i]){
param = NULL;
return;
}
buf = &buf[i + 1];
for(i = 0; buf[i] && i < STRLEN; i++)
param[i] = buf[i];
param[i] = 0;
}
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