| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef UTIL_PROGNAME_H | ||
| 2 | #define UTIL_PROGNAME_H | ||
| 3 | |||
| 4 | #include "macros.h" | ||
| 5 | |||
| 6 | // Get the program name from argv[0] (as passed to main()), or fall back to a | ||
| 7 | // pre-defined string if it's missing | ||
| 8 | RETURNS_NONNULL | ||
| 9 | 8 | static inline const char *progname(int argc, char *argv[], const char *fallback) | |
| 10 | { | ||
| 11 | // Setting argv[0] properly is under the control of the parent process, | ||
| 12 | // so it's safest to make as few assumptions about it as possible | ||
| 13 |
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8 | if (likely(argc >= 1 && argv && argv[0] && argv[0][0])) { |
| 14 | return argv[0]; | ||
| 15 | } | ||
| 16 |
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5 | return fallback ? fallback : "_PROG_"; |
| 17 | } | ||
| 18 | |||
| 19 | #endif | ||
| 20 |