independ str(1)

This commit is contained in:
2022-09-13 23:54:18 -04:00
parent 97c96d1063
commit 278f8f57a7
4 changed files with 47 additions and 15 deletions
-51
View File
@@ -1,51 +0,0 @@
#include <ctype.h>
#include <stddef.h>
#include <string.h> /* strcmp(3) */
#include <sysexits.h>
#include <unistd.h> /* write(2) */
#include "libio.h" /* fdprint(3) */
#include "usefulmacros.h"
static char *program_name = "str";
static struct {
char *name;
int (*f)(int);
}ctypes[] = {
{ "isalnum", isalnum },
{ "isalpha", isalpha },
{ "isblank", isblank },
{ "iscntrl", iscntrl },
{ "isdigit", isdigit },
{ "isxdigit", isxdigit },
{ "isgraph", isgraph },
{ "islower", islower },
{ "isprint", isprint },
{ "ispunct", ispunct },
{ "isspace", isspace },
{ "isupper", isupper }
};
int main(int argc, char *argv[]){
int ctype;
int i;
if(argc < 3){
error: write(2, "Usage: ", 7);
fdprint(2, argv[0] == NULL ? program_name : argv[0]);
write(2, " [type] [string...]\n", 20);
return EX_USAGE;
}
for(ctype = 0; ctype < ARRAYLEN(ctypes); ++ctype)
if(strcmp(argv[1], ctypes[ctype].name) == 0)
goto pass;
goto error;
pass: for(argv += 2; *argv != NULL; ++argv)
for(i = 0; argv[0][i] != '\0'; ++i)
if(!ctypes[ctype].f(argv[0][i]))
return 1;
return 0;
}