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libbb: shrink print_login_issue (by Vladimir Dronnikov)

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function                                             old     new   delta
print_login_issue                                    469     435     -34
This commit is contained in:
Denis Vlasenko 2008-07-12 23:47:24 +00:00
parent 52ec4b98d5
commit ad6d6ffcdc
1 changed files with 7 additions and 8 deletions
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15
libbb/login.c
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@ -20,7 +20,7 @@ static const char fmtstr_t[] ALIGN1 = "%H:%M:%S";
void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
{
FILE *fd;
FILE *fp;
int c;
char buf[256+1];
const char *outbuf;
@ -32,10 +32,10 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
puts("\r"); /* start a new line */
fd = fopen(issue_file, "r");
if (!fd)
fp = fopen(issue_file, "r");
if (!fp)
return;
while ((c = fgetc(fd)) != EOF) {
while ((c = fgetc(fp)) != EOF) {
outbuf = buf;
buf[0] = c;
buf[1] = '\0';
@ -44,7 +44,7 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
buf[2] = '\0';
}
if (c == '\\' || c == '%') {
c = fgetc(fd);
c = fgetc(fp);
switch (c) {
case 's':
outbuf = uts.sysname;
@ -64,8 +64,7 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
break;
case 'D':
case 'o':
c = getdomainname(buf, sizeof(buf) - 1);
buf[c >= 0 ? c : 0] = '\0';
outbuf = uts.domainname;
break;
case 'd':
strftime(buf, sizeof(buf), fmtstr_d, localtime(&t));
@ -82,7 +81,7 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
}
fputs(outbuf, stdout);
}
fclose(fd);
fclose(fp);
fflush(stdout);
}