time to sleep...

code/misctools/nonascii.c

@@ -7,7 +7,8 @@
 #include  <stdio.h>
 #include  <stdlib.h>
 
-int main(int argc, char *argv[])
+/* ------------------------------------------------------------------ */
+int check_a_file_by_fp(FILE *fp, char *filename)
 {
 int		input, linenum, count;
 int		flagline;
@@ -22,16 +23,52 @@ while (EOF != (input=getc(stdin))) {
 		}
 	if ((input < 0) || (input>127)) {
 		if (!flagline) {
-			fprintf(stderr, "non ascii 0x%x line %d\n", 
+			fprintf(stderr, "%s: non ascii 0x%x line %d\n", 
+						filename,						
 						input, linenum);
 			flagline = 1;
 			}
 		count++;
 		}
 	}
-if (count) {
-	fprintf(stderr, "at least %d non-ascii characters found\n", count);
-	exit(1);
+return count;
+}
+/* ------------------------------------------------------------------ */
+int check_a_file_by_name(char *name)
+{
+FILE		*fp;
+int		foo;
+
+if (NULL == name) {
+	fp = stdin;
 	}
+else	{
+	if (NULL==(fp=fopen(name, "r"))) {
+		perror(name);
+		return -1;
+		}
+	}
+
+foo = check_a_file_by_fp(fp, NULL==name ? "<stdin>" : name);
+
+return foo;
+}
+/* ------------------------------------------------------------------ */
+
+int main(int argc, char *argv[])
+{
+int		foo, idx;
+
+if (1 == argc) {
+	foo = check_a_file_by_name(NULL);
+	}
+else	{
+	for (idx=1; idx<argc; idx++) {
+		printf("%4d %s\n", idx, argv[idx]);
+		}
+	}
+
 return 0;
-}
+}
+
+/* ------------------------------------------------------------------ */