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51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#ifndef ERROR_H
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#define ERROR_H
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#include <errno.h>
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#include <string.h>
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#include "utils.h"
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#define ERRNOS strerror(errno)
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#define FUNCFAILED(f) f "() failed: %s"
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/*
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* Print internal error
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*/
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#define PRINTINTERR(format, ...) \
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print_error##__VA_OPT__(f)(ERRS(format) __VA_OPT__(, ) __VA_ARGS__)
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/*
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* Add error source to error message
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*/
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#define ERRS(msg) (__FILE__ ":" STRINGIZE(__LINE__) ": " msg)
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/*
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* If cond is true, return ERR. Also call print_error or
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* print_errorf if error message or format string is given.
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*/
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#define ERRCHK_RET(cond, ...) \
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do { \
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if (cond) { \
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__VA_OPT__(PRINTINTERR(__VA_ARGS__);) \
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return ERR; \
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} \
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} while (0)
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/*
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* Shortcut for ERRCHK_RET(expr != OK)
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*/
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#define ERRCHK_RET_OK(expr, ...) \
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ERRCHK_RET((expr) != OK __VA_OPT__(, ) __VA_ARGS__)
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enum {
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OK,
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ERR,
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};
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void print_error(char const *error_msg);
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void print_errorf(char const *format, ...);
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#endif
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