sankalp
373e64fcad
- New Features - Wrap log output with flockfile/funlockfile to guarantee atomic writes. - Add LOG_PERROR macro to report messages with errno details. - Enhancements - Include <errno.h> and <string.h> for robust error handling. - Remove unused errorf declaration. - Bug Fixes - None.
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
#ifndef VBX_LOG_H
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#define VBX_LOG_H
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#include <stdio.h>
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#include <time.h>
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#include <errno.h>
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#include <string.h>
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// Assuming g_verbose is defined globally or we pass it
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extern int g_verbose;
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extern int is_daemon;
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#define LOG_LEVEL_DEBUG 0
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#define LOG_LEVEL_INFO 1
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#define LOG_LEVEL_WARN 2
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#define LOG_LEVEL_ERROR 3
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#define LOG_MACRO(level, prefix, out_stream, ...) do { \
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if (level == LOG_LEVEL_DEBUG && !g_verbose) break; \
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flockfile(out_stream); \
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fprintf(out_stream, "[VBX-%s] ", prefix); \
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fprintf(out_stream, __VA_ARGS__); \
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fprintf(out_stream, "\n"); \
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fflush(out_stream); \
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funlockfile(out_stream); \
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} while(0)
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#define LOG_DEBUG(...) LOG_MACRO(LOG_LEVEL_DEBUG, "DEBUG", stdout, __VA_ARGS__)
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#define LOG_INFO(...) LOG_MACRO(LOG_LEVEL_INFO, "INFO", stdout, __VA_ARGS__)
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#define LOG_WARN(...) LOG_MACRO(LOG_LEVEL_WARN, "WARN", stderr, __VA_ARGS__)
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#define LOG_ERROR(...) LOG_MACRO(LOG_LEVEL_ERROR, "ERROR", stderr, __VA_ARGS__)
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#define LOG_PERROR(msg) LOG_MACRO(LOG_LEVEL_ERROR, "ERROR", stderr, "%s: %s", msg, strerror(errno))
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#endif // VBX_LOG_H
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