/* $OpenBSD: log.c,v 1.45 2008/06/12 16:53:12 joris Exp $ */ /* * Copyright (c) 2006 Joris Vink <joris@openbsd.org> * Copyright (c) 2004 Jean-Francois Brousseau <jfb@openbsd.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <errno.h> #include <string.h> #include "cvs.h" extern char *__progname; static int send_m = 1; /* * cvs_log() * * Log the format-string message * The <fmt> argument should not have a terminating newline, as this is taken * care of by the logging facility. */ void cvs_log(u_int level, const char *fmt, ...) { va_list vap; va_start(vap, fmt); cvs_vlog(level, fmt, vap); va_end(vap); } /* * cvs_vlog() * * The <fmt> argument should not have a terminating newline, as this is taken * care of by the logging facility. */ void cvs_vlog(u_int level, const char *fmt, va_list vap) { int ecp; FILE *out; char *cmdname; if (cvs_trace != 1 && level == LP_TRACE) return; if (level == LP_ERRNO) ecp = errno; else ecp = 0; if (level == LP_NOTICE) out = stdout; else out = stderr; if (cvs_server_active) { if (out == stdout) putc('M', out); else { out = stdout; putc('E', out); } putc(' ', out); } cmdname = (cmdp != NULL) ? cmdp->cmd_name : __progname; /* The cvs program appends the command name to the program name */ if (level == LP_TRACE) { if (cvs_server_active) putc('S', out); else putc('C', out); (void)fputs("-> ", out); } else if (level != LP_RCS) { (void)fputs(__progname, out); putc(' ', out); if (level == LP_ABORT) (void)fprintf(out, "[%s aborted]", cmdname); else (void)fputs(cmdname, out); (void)fputs(": ", out); } (void)vfprintf(out, fmt, vap); if (level == LP_ERRNO) { (void)fprintf(out, ": %s\n", strerror(ecp)); /* preserve it just in case we changed it? */ errno = ecp; } else fputc('\n', out); } /* * cvs_printf() * * Wrapper function around printf() that prepends a 'M' command when * the program is acting as server. */ int cvs_printf(const char *fmt, ...) { int ret; char *nstr, *dp, *sp; va_list vap; va_start(vap, fmt); ret = vasprintf(&nstr, fmt, vap); if (ret == -1) fatal("cvs_printf: could not allocate memory"); for (dp = nstr; *dp != '\0';) { sp = strchr(dp, '\n'); if (sp == NULL) for (sp = dp; *sp != '\0'; sp++) ; if (cvs_server_active && send_m) { send_m = 0; putc('M', stdout); putc(' ', stdout); } if (dp != nstr && dp != sp && !strncmp(dp, LOG_REVSEP, sp - dp)) putc('>', stdout); fwrite(dp, sizeof(char), (size_t)(sp - dp), stdout); if (*sp != '\n') break; putc('\n', stdout); send_m = 1; dp = sp + 1; } xfree(nstr); va_end(vap); return (ret); }