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| author | Egor Tensin <Egor.Tensin@gmail.com> | 2022-09-08 08:46:12 +0200 |
|---|---|---|
| committer | Egor Tensin <Egor.Tensin@gmail.com> | 2022-09-08 08:46:12 +0200 |
| commit | e0ea43bf4e54b4cf993f7638a80b752fa3391c64 (patch) | |
| tree | 7c3f942e56df858614863e4458902331f0013b57 /src | |
| parent | sanitize #include-s (diff) | |
| download | cimple-e0ea43bf4e54b4cf993f7638a80b752fa3391c64.tar.gz cimple-e0ea43bf4e54b4cf993f7638a80b752fa3391c64.zip | |
log: prepend timestamps
Diffstat (limited to 'src')
| -rw-r--r-- | src/log.h | 41 |
1 files changed, 38 insertions, 3 deletions
@@ -5,13 +5,44 @@ #include <libgen.h> #include <netdb.h> #include <stdio.h> +#include <sys/time.h> +#include <time.h> + +static inline void log_print_timestamp(FILE *dest) +{ + struct timeval tv; + struct tm tm; + char buf[64]; + size_t used = 0; + + if (gettimeofday(&tv, NULL) < 0) + return; + if (!gmtime_r(&tv.tv_sec, &tm)) + return; + + buf[0] = '\0'; + used += strftime(buf + used, sizeof(buf) - used, "[%F %T", &tm); + used += snprintf(buf + used, sizeof(buf) - used, ".%03ld] ", tv.tv_usec / 1000); + fprintf(dest, "%s", buf); +} #define CONCAT_INNER(a, b) a##b #define CONCAT(a, b) CONCAT_INNER(a, b) -#define print_errno(s) \ +static inline void log_prefix(FILE *dest) +{ + log_print_timestamp(dest); +} + +#define log_error_prefix() \ do { \ + log_prefix(stderr); \ fprintf(stderr, "%s(%d): ", basename(__FILE__), __LINE__); \ + } while (0) + +#define print_errno(s) \ + do { \ + log_error_prefix(); \ perror(s); \ } while (0) @@ -38,10 +69,14 @@ #define print_error(...) \ do { \ - fprintf(stderr, "%s(%d): ", basename(__FILE__), __LINE__); \ + log_error_prefix(); \ fprintf(stderr, __VA_ARGS__); \ } while (0) -#define print_log(...) printf(__VA_ARGS__) +#define print_log(...) \ + do { \ + log_prefix(stdout); \ + printf(__VA_ARGS__); \ + } while (0) #endif |