Line | Branch | Exec | Source |
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1 | #ifndef UTIL_EXITCODE_H | ||
2 | #define UTIL_EXITCODE_H | ||
3 | |||
4 | #include <stdio.h> | ||
5 | #include <unistd.h> | ||
6 | #include "macros.h" | ||
7 | #include "xreadwrite.h" | ||
8 | |||
9 | // Semantic exit codes, as defined by BSD sysexits(3) | ||
10 | enum { | ||
11 | EC_OK = 0, // Exited normally (EX_OK) | ||
12 | EC_USAGE_ERROR = 64, // Command line usage error (EX_USAGE) | ||
13 | EC_DATA_ERROR = 65, // Input data error (EX_DATAERR) | ||
14 | EC_OS_ERROR = 71, // Operating system error (EX_OSERR) | ||
15 | EC_IO_ERROR = 74, // Input/output error (EX_IOERR) | ||
16 | EC_CONFIG_ERROR = 78, // Configuration error (EX_CONFIG) | ||
17 | }; | ||
18 | |||
19 | // This exists purely for "self-documentation" purposes. Functions | ||
20 | // returning this type should only return one of the above values. | ||
21 | typedef int ExitCode; | ||
22 | |||
23 | ✗ | static inline ExitCode ec_error(const char *prefix, ExitCode ec) | |
24 | { | ||
25 | ✗ | perror(prefix); | |
26 | ✗ | return ec; | |
27 | } | ||
28 | |||
29 | 3 | static inline ExitCode ec_write_stdout(const char *str, size_t len) | |
30 | { | ||
31 | 3 | ssize_t r = xwrite_all(STDOUT_FILENO, str, len); | |
32 |
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3 | return likely(r >= 0) ? EC_OK : ec_error("write", EC_IO_ERROR); |
33 | } | ||
34 | |||
35 | ExitCode ec_usage_error(const char *restrict fmt, ...) PRINTF(1) NONNULL_ARGS; | ||
36 | ExitCode ec_printf_ok(const char *restrict fmt, ...) PRINTF(1) NONNULL_ARGS; | ||
37 | |||
38 | #endif | ||
39 |