strcmp(1): further error-proofing
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							| @ -26,18 +26,22 @@ | |||||||
| char *program_name = "strcmp"; | char *program_name = "strcmp"; | ||||||
| 
 | 
 | ||||||
| int main(int argc, char *argv[]) { | int main(int argc, char *argv[]) { | ||||||
| 	program_name = argv[0] == NULL ? program_name : argv[0]; | 	unsigned int i; | ||||||
| 	int i; |  | ||||||
| 
 | 
 | ||||||
| #ifdef __OpenBSD__ | #ifdef __OpenBSD__ | ||||||
| 	if (pledge("stdio", NULL) == -1) { | 	if (pledge("stdio", NULL) == -1) { | ||||||
| 		perror(program_name); | 		perror(argv[0] == NULL ? program_name : argv[0]); | ||||||
|  | 
 | ||||||
| 		return EX_OSERR; | 		return EX_OSERR; | ||||||
| 	} | 	} | ||||||
| #endif | #endif | ||||||
| 
 | 
 | ||||||
| 	if (argc < 3) { | 	if (argc < 3) { | ||||||
| 		(void)fprintf(stderr, "Usage: %s string string...\n", program_name); | 		(void)fprintf( | ||||||
|  | 			stderr, | ||||||
|  | 			"Usage: %s string string...\n", | ||||||
|  | 			argv[0] == NULL ? program_name : argv[0] | ||||||
|  | 		); | ||||||
| 
 | 
 | ||||||
| 		return EX_USAGE; | 		return EX_USAGE; | ||||||
| 	} | 	} | ||||||
|  | |||||||
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