Rodrigo Arias
43fa556fa9
Allows the user to easily enable debug messages, which are the only way to debug problems with channels.
70 lines
1.2 KiB
C
70 lines
1.2 KiB
C
/* Copyright (c) 2021-2023 Barcelona Supercomputing Center (BSC)
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* SPDX-License-Identifier: MIT */
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#include "common.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 <errno.h>
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#include <stdlib.h>
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char *progname = NULL;
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int is_debug_enabled = 0;
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void
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progname_set(char *name)
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{
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progname = name;
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}
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void
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enable_debug(void)
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{
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is_debug_enabled = 1;
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}
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static void
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vaerr(const char *prefix, const char *func, const char *errstr, va_list ap)
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{
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if (progname != NULL)
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fprintf(stderr, "%s: ", progname);
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if (prefix != NULL)
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fprintf(stderr, "%s: ", prefix);
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if (func != NULL)
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fprintf(stderr, "%s: ", func);
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vfprintf(stderr, errstr, ap);
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int len = strlen(errstr);
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if (len > 0) {
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char last = errstr[len - 1];
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if (last == ':')
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fprintf(stderr, " %s\n", strerror(errno));
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else if (last != '\n' && last != '\r')
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fprintf(stderr, "\n");
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}
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}
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void
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verr(const char *prefix, const char *func, const char *errstr, ...)
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{
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va_list ap;
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va_start(ap, errstr);
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vaerr(prefix, func, errstr, ap);
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va_end(ap);
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}
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void
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vdie(const char *prefix, const char *func, const char *errstr, ...)
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{
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va_list ap;
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va_start(ap, errstr);
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vaerr(prefix, func, errstr, ap);
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va_end(ap);
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abort();
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}
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