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Whitespace + coding style cleanup

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- Use Emacs K&R style
- Add missing braces to for() loops
- Fix coding style issues in cli.c example
- Add empty lines to separate sections
- Simplify and de-indent code, check error case first + continue

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2017-11-29 16:40:10 +01:00
parent 6021e54dbc
commit b613db2afb
6 changed files with 227 additions and 174 deletions
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121
examples/cli.c
View File

@@ -25,59 +25,55 @@
#define HISTORY "/tmp/.cli-history"
static char *list[] = {
"foo ", "bar ", "bsd ", "cli ", "ls ", "cd ", "malloc ", "tee ", NULL
"foo ", "bar ", "bsd ", "cli ", "ls ", "cd ", "malloc ", "tee ", NULL
};
/* Attempt to complete the pathname, returning an allocated copy.
* Fill in *unique if we completed it, or set it to 0 if ambiguous. */
static char *my_rl_complete(char *token, int *match)
{
int i;
int index = -1;
int matchlen = 0;
int count = 0;
int i;
int index = -1;
int matchlen = 0;
int count = 0;
for (i = 0; list[i]; i++)
{
int partlen = strlen (token); /* Part of token */
for (i = 0; list[i]; i++) {
int partlen = strlen (token); /* Part of token */
if (!strncmp (list[i], token, partlen))
{
index = i;
matchlen = partlen;
count ++;
}
}
if (!strncmp (list[i], token, partlen)) {
index = i;
matchlen = partlen;
count ++;
}
}
if (count == 1)
{
*match = 1;
return strdup (list[index] + matchlen);
}
if (count == 1) {
*match = 1;
return strdup (list[index] + matchlen);
}
return NULL;
return NULL;
}
/* Return all possible completions. */
static int my_rl_list_possib(char *token, char ***av)
{
int i, num, total = 0;
char **copy;
int i, num, total = 0;
char **copy;
for (num = 0; list[num]; num++)
;
copy = (char **) malloc (num * sizeof(char *));
for (i = 0; i < num; i++)
{
if (!strncmp (list[i], token, strlen (token)))
{
copy[total] = strdup (list[i]);
total ++;
}
}
*av = copy;
for (num = 0; list[num]; num++)
;
return total;
copy = (char **) malloc (num * sizeof(char *));
for (i = 0; i < num; i++) {
if (!strncmp (list[i], token, strlen (token))) {
copy[total] = strdup (list[i]);
total ++;
}
}
*av = copy;
return total;
}
el_status_t list_possible(void)
@@ -104,42 +100,49 @@ el_status_t list_possible(void)
el_status_t do_break(void)
{
puts("Breakout!");
return CSeof;
puts("Breakout!");
return CSeof;
}
el_status_t do_exit(void)
{
puts("Bye bye!");
return CSeof;
puts("Bye bye!");
return CSeof;
}
el_status_t do_suspend(void)
{
puts("Abort!");
return CSstay;
puts("Abort!");
return CSstay;
}
int main(int ac __attribute__ ((unused)), char *av[] __attribute__ ((unused)))
int main(void)
{
char *line;
char *prompt = "cli> ";
char *line;
char *prompt = "cli> ";
/* Setup callbacks */
rl_set_complete_func(&my_rl_complete);
rl_set_list_possib_func(&my_rl_list_possib);
el_bind_key('?', list_possible);
el_bind_key(CTL('C'), do_break);
el_bind_key(CTL('D'), do_exit);
el_bind_key(CTL('Z'), do_suspend);
read_history(HISTORY);
/* Setup callbacks */
rl_set_complete_func(&my_rl_complete);
rl_set_list_possib_func(&my_rl_list_possib);
el_bind_key('?', list_possible);
el_bind_key(CTL('C'), do_break);
el_bind_key(CTL('D'), do_exit);
el_bind_key(CTL('Z'), do_suspend);
read_history(HISTORY);
while ((line = readline(prompt)) != NULL) {
printf("\t\t\t|%s|\n", line);
free(line);
}
while ((line = readline(prompt)) != NULL) {
printf("\t\t\t|%s|\n", line);
free(line);
}
write_history(HISTORY);
write_history(HISTORY);
return 0;
return 0;
}
/**
* Local Variables:
* c-file-style: "k&r"
* c-basic-offset: 4
* End:
*/