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utilbox: code cleanup

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This commit is contained in:
Pierre Pronchery 2025-01-26 01:51:47 +01:00
parent ac912820d4
commit 91dc0f2f87
1 changed files with 32 additions and 23 deletions
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55
tools/utilbox.c
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@ -31,14 +31,27 @@
/* utilbox */
/* private */
/* prototypes */
static int _error(char const * message, int ret);
static int _list(Call * calls);
static int _usage(void);
static int _utilbox(char const * name, int argc, char * argv[]);
static int _utilbox_error(char const * message, int ret);
static int _utilbox_list(Call * calls);
static int _utilbox_usage(void);
/* functions */
/* error */
static int _error(char const * message, int ret)
/* utilbox */
static int _utilbox(char const * name, int argc, char * argv[])
{
size_t i;
for(i = 0; calls[i].name != NULL; i++)
if(strcmp(calls[i].name, name) == 0)
return calls[i].call(argc, argv);
return -1;
}
/* utilbox_error */
static int _utilbox_error(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
perror(message);
@ -46,8 +59,8 @@ static int _error(char const * message, int ret)
}
/* list */
static int _list(Call * calls)
/* utilbox_list */
static int _utilbox_list(Call * calls)
{
size_t i;
@ -57,8 +70,8 @@ static int _list(Call * calls)
}
/* usage */
static int _usage(void)
/* utilbox_usage */
static int _utilbox_usage(void)
{
fputs("Usage: " PROGNAME " program [arguments...]\n"
" " PROGNAME " -l\n"
@ -72,34 +85,30 @@ static int _usage(void)
/* main */
int main(int argc, char * argv[])
{
int ret;
char * p;
char const * q;
size_t i;
int o;
if((p = strdup(argv[0])) == NULL)
return _error(NULL, 2);
return _utilbox_error(NULL, 2);
q = basename(p);
for(i = 0; calls[i].name != NULL; i++)
if(strcmp(calls[i].name, q) == 0)
{
free(p);
return calls[i].call(argc, argv);
}
ret = _utilbox(q, argc, argv);
free(p);
if(ret >= 0)
return ret;
while((o = getopt(argc, argv, "l")) != -1)
switch(o)
{
case 'l':
return _list(calls);
return _utilbox_list(calls);
default:
return _usage();
return _utilbox_usage();
}
if(optind == argc)
return _usage();
for(i = 0; calls[i].name != NULL; i++)
if(strcmp(calls[i].name, argv[optind]) == 0)
return calls[i].call(argc - optind, &argv[optind]);
return _utilbox_usage();
if((ret = _utilbox(argv[optind], argc - optind, &argv[optind])) >= 0)
return ret;
fprintf(stderr, "%s: %s: command not found\n", PROGNAME, argv[optind]);
return 127;
}