mirror of
https://github.com/gwenhael-le-moine/sway-patched-tray-menu.git
synced 2024-11-17 07:48:28 +01:00
2dc4978d8a
Because meson does not provide a simple way to get the relative build path, it is computed with a pair of foreach loops. As meson does not have a simple way to compute string length (except via underscorify and 63 split operations), the build script uses a shell command instead. If the compiler does not suppot -fmacro-prefix-map, then fall back to passing in the relative path prefix, and use its length to offset the uses of __FILE__ in log messages so that the build path is at least still not included in the logs. This is significantly more efficient than calling _sway_strip_path.
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
#ifndef _SWAY_LOG_H
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#define _SWAY_LOG_H
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#include <stdbool.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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typedef enum {
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SWAY_SILENT = 0,
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SWAY_ERROR = 1,
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SWAY_INFO = 2,
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SWAY_DEBUG = 3,
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SWAY_LOG_IMPORTANCE_LAST,
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} sway_log_importance_t;
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#ifdef __GNUC__
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#define ATTRIB_PRINTF(start, end) __attribute__((format(printf, start, end)))
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#else
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#define ATTRIB_PRINTF(start, end)
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#endif
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void error_handler(int sig);
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typedef void (*terminate_callback_t)(int exit_code);
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// Will log all messages less than or equal to `verbosity`
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// The `terminate` callback is called by `sway_abort`
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void sway_log_init(sway_log_importance_t verbosity, terminate_callback_t terminate);
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void _sway_log(sway_log_importance_t verbosity, const char *format, ...) ATTRIB_PRINTF(2, 3);
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void _sway_vlog(sway_log_importance_t verbosity, const char *format, va_list args) ATTRIB_PRINTF(2, 0);
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void _sway_abort(const char *filename, ...) ATTRIB_PRINTF(1, 2);
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bool _sway_assert(bool condition, const char* format, ...) ATTRIB_PRINTF(2, 3);
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#ifdef SWAY_REL_SRC_DIR
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// strip prefix from __FILE__, leaving the path relative to the project root
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#define _SWAY_FILENAME ((const char *)__FILE__ + sizeof(SWAY_REL_SRC_DIR) - 1)
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#else
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#define _SWAY_FILENAME __FILE__
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#endif
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#define sway_log(verb, fmt, ...) \
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_sway_log(verb, "[%s:%d] " fmt, _SWAY_FILENAME, __LINE__, ##__VA_ARGS__)
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#define sway_vlog(verb, fmt, args) \
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_sway_vlog(verb, "[%s:%d] " fmt, _SWAY_FILENAME, __LINE__, args)
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#define sway_log_errno(verb, fmt, ...) \
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sway_log(verb, fmt ": %s", ##__VA_ARGS__, strerror(errno))
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#define sway_abort(FMT, ...) \
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_sway_abort("[%s:%d] " FMT, _SWAY_FILENAME, __LINE__, ##__VA_ARGS__)
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#define sway_assert(COND, FMT, ...) \
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_sway_assert(COND, "[%s:%d] %s:" FMT, _SWAY_FILENAME, __LINE__, __PRETTY_FUNCTION__, ##__VA_ARGS__)
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#endif
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