forked from external/yambar
7f2c0681a7
Works like LOG_ERR(), but appends a string representation of the current errno value to the log message string.
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
#include "log.h"
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdbool.h>
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#include <errno.h>
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static void
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_log(enum log_class log_class, const char *module, const char *file, int lineno,
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const char *fmt, int sys_errno, va_list va)
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{
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bool colorize = true;
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const char *class;
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int class_clr;
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switch (log_class) {
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case LOG_CLASS_ERROR: class = " err"; class_clr = 31; break;
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case LOG_CLASS_WARNING: class = "warn"; class_clr = 33; break;
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case LOG_CLASS_INFO: class = "info"; class_clr = 97; break;
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case LOG_CLASS_DEBUG: class = " dbg"; class_clr = 36; break;
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}
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char clr[16];
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snprintf(clr, sizeof(clr), "\e[%dm", class_clr);
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printf("%s%s%s: ", colorize ? clr : "", class, colorize ? "\e[0m" : "");
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if (colorize)
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printf("\e[2m");
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#if defined(_DEBUG)
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printf("%s:%d: ", file, lineno);
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#else
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printf("%s: ", module);
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#endif
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if (colorize)
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printf("\e[0m");
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//printf("%%s\n", buf);
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vprintf(fmt, va);
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if (sys_errno != 0)
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printf(": %s", strerror(sys_errno));
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printf("\n");
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}
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void
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log_msg(enum log_class log_class, const char *module,
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const char *file, int lineno, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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_log(log_class, module, file, lineno, fmt, 0, ap);
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va_end(ap);
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}
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void log_errno(enum log_class log_class, const char *module,
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const char *file, int lineno,
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const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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_log(log_class, module, file, lineno, fmt, errno, ap);
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va_end(ap);
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}
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