From 579048eaf89784ec1da8592d96311fafd49aea1a Mon Sep 17 00:00:00 2001 From: sijanec Date: Thu, 1 Apr 2021 23:30:37 +0200 Subject: initial commit --- src/log.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/log.c (limited to 'src/log.c') diff --git a/src/log.c b/src/log.c new file mode 100644 index 0000000..d229512 --- /dev/null +++ b/src/log.c @@ -0,0 +1,60 @@ +const char * sc_log_str (int t) { + switch (t) { + case SC_LOG_ERROR: + return "SC_LOG_ERROR"; + case SC_LOG_WARNING: + return "SC_LOG_WARNING"; + case SC_LOG_INFO: + return "SC_LOG_INFO"; + case SC_LOG_DEBUG: + return "SC_LOG_DEBUG"; + default: + return "SC_LOG_UNKNOWN"; + } + /* interestingly, gcc figures out there's no way for code to reach this section, therefore there's no warning "-Wreturn-type" */ +} +int sc_logentry_free (struct sc_logentry * l) { + free(l->message); l->message = NULL; + free(l); + return 1; +} +struct sc_logentry * sc_logentry_init () { + struct sc_logentry * l = calloc(1, sizeof(struct sc_logentry)); + return l; +} +int sc_push_log (unsigned char t, struct sc_cache * c, const char * ca, char * f, size_t l, unsigned short int isf, char * m, ...) { +#define SC_PLL c->logentries[c->logentries_length-1] + if (!c) + return -1; + pthread_rwlock_t * lock = c->logentries_lock; + if (!lock) + return -2; + if (pthread_rwlock_wrlock(lock)) + return -3; + if (c->logentries_sizeof - c->logentries_length != 0) + SC_BIGGER_ARRAY(c->logentries, sc_logentry); + c->logentries_length++; + size_t strlenm = strlen(m); + size_t va_count = parse_printf_format(m, 0, NULL); + if (isf && va_count > 0) { + va_list ap, ap2; + va_start(ap, m); + va_copy(ap2, ap); + strlenm = vsnprintf(NULL, 0, m, ap); + SC_PLL->message = malloc(sizeof(char)*strlenm+1); + vsnprintf(SC_PLL->message, strlenm+1, m, ap2); + va_end(ap); + va_end(ap2); + } else { + SC_PLL->message = malloc(sizeof(char)*strlenm+1); + strcpy(SC_PLL->message, m); + } + SC_PLL->file = f; + SC_PLL->line = l; + SC_PLL->function = ca; + SC_PLL->time = time(NULL); + fprintf(stderr, "[sear.c] %s %s()@%s:%lu: %s\n", sc_log_str(t), ca, f, l, SC_PLL->message); /* in posix, this is thread safe */ + if (lock && pthread_rwlock_unlock(lock)) + return -4; + return 1; +} -- cgit v1.2.3