| 1 | |
| 2 | |
| 3 | * util functions.
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| 4 | *
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| 5 | * Copyright (C) 2022 Red Hat Inc, Daniel Bristot de Oliveira <[email protected]>
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| 6 |
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| 7 |
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| 8 | #include <stdarg.h>
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| 9 | #include <stdio.h>
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| 10 | #include <utils.h>
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| 11 |
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| 12 | int config_debug;
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| 13 |
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| 14 | #define MAX_MSG_LENGTH 1024
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| 15 |
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| 16 | |
| 17 | * err_msg - print an error message to the stderr
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| 18 |
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| 19 | void err_msg(const char *fmt, ...)
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| 20 | {
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| 21 | char message[MAX_MSG_LENGTH];
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| 22 | va_list ap;
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| 23 |
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| 24 | va_start(ap, fmt);
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| 25 | vsnprintf(message, sizeof(message), fmt, ap);
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| 26 | va_end(ap);
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| 27 |
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| 28 | fprintf(stderr, "%s", message);
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| 29 | }
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| 30 |
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| 31 | |
| 32 | * debug_msg - print a debug message to stderr if debug is set
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| 33 |
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| 34 | void debug_msg(const char *fmt, ...)
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| 35 | {
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| 36 | char message[MAX_MSG_LENGTH];
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| 37 | va_list ap;
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| 38 |
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| 39 | if (!config_debug)
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| 40 | return;
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| 41 |
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| 42 | va_start(ap, fmt);
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| 43 | vsnprintf(message, sizeof(message), fmt, ap);
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| 44 | va_end(ap);
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| 45 |
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| 46 | fprintf(stderr, "%s", message);
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| 47 | }
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