| 1 | #include <stdarg.h> |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | |
| 5 | /* program_invocation_short_name GNU extension - http://linux.die.net/man/3/program_invocation_short_name */ |
| 6 | extern char* __progname; |
| 7 | #define program_invocation_short_name __progname |
| 8 | |
| 9 | /* error(3) GNU extension - http://man7.org/linux/man-pages/man3/error.3.html */ |
| 10 | unsigned int error_message_count; |
| 11 | static inline void error(int status, int errnum, const char* format, ...) { |
| 12 | error_message_count++; |
| 13 | va_list myargs; |
| 14 | va_start(myargs, format); |
| 15 | vfprintf(stderr, format, myargs); |
| 16 | va_end(myargs); |
| 17 | exit(status); |
| 18 | } |
| 19 | |
| 20 | /* strchrnul(3) GNU extension - http://man7.org/linux/man-pages/man3/strchr.3.html */ |
| 21 | static inline char* strchrnul(char const* s, int c) |
| 22 | { |
| 23 | char* result = strchr(s, c); |
| 24 | return (result == NULL) ? (char*)(s + strlen(s)) : result; |
| 25 | } |