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/* This file is error.c - library for message and error reporting */
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/* ifile - intelligent mail filter for EXMH/MH
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Copyright (C) 1997 Jason Rennie <jrennie@ai.mit.edu>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include <stdarg.h> /* va_start(), va_end(), va_list */
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#include <stdio.h> /* fopen(), fclose() */
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#include <errno.h> /* required by SunOS 5.5.1/gcc-2.7.2 for errno var */
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#include <time.h> /* for srand(time(NULL)) call */
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#include <sys/stat.h> /* for chmod() call */
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extern arguments args;
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/* Returns a newly allocated character array which contains the
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portion of FULL_PATH postceeding the last '/' in FULL_PATH,
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or the entire string if FULL_PATH contains no '/' characters */
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/* written by Jason Rennie <jrennie@ai.mit.edu> for ifile */
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ifile_strip_path (char * full_path)
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char buf[MAX_STR_LEN];
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int buf_index = 0; /* index of last character in BUF */
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int full_path_index = 0; /* index of current character in FULL_PATH */
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char * executable_name; /* pointer to string to be returned */
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while (full_path[full_path_index])
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buf[buf_index++] = full_path[full_path_index++];
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if (full_path[full_path_index] == '/')
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buf[buf_index] = '\0';
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executable_name = malloc(strlen(buf)+1);
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strcpy(executable_name, buf);
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return executable_name;
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/* Opens info log file to report information/errors (if requested) */
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/* Written by Jason Rennie <jrennie@ai.mit.edu> for ifile */
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ifile_open_log (int argc, char ** argv)
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/* if no temp file is to be created, immediately return */
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if (!args.tmp_file) return NULL;
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/* Create string with full path for ~/.ifile_log */
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info_file = ifile_sprintf("%s/.ifile.log", getenv("HOME"));
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if ((INFO = fopen(info_file, "w")))
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chmod(info_file, 0600);
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ifile_verbosify(ifile_progress, "%s called\n", IFILE_VERSION);
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ifile_verbosify(ifile_verbose, "Successfully opened log file: %s\n",
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ifile_verbosify(ifile_quiet, "Not able to open log file: %s Error: %d\n", info_file, errno);
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/* Closes info log file if necessary */
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/* Written by Jason Rennie <jrennie@ai.mit.edu> for ifile */
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if (!args.tmp_file) return;
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ifile_verbosify(ifile_verbose, "Closed log file.\n");
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/* Print the printf-style FORMAT string and arguments on STDERR, only if
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ARGS->VERBOSITY is equal or greater than the argument VERBOSITY_LEVEL. */
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/* Written by Jason Rennie <jrennie@ai.mit.edu> for ifile
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adapted from bow_verbosify() - written by Andrew Kachites McCallum */
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ifile_verbosify (int verbosity_level, const char *format, ...)
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/* The following few lines makes it possible to see the priority
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levels of the various lines of output */
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if (verbosity_level <= args.verbosity)
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va_start (ap, format);
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ret = vfprintf (stderr, format, ap);
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if ((verbosity_level <= args.verbosity) ||
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(verbosity_level <= ifile_progress))
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va_start (ap, format);
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if (INFO != NULL) vfprintf (INFO, format, ap);
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if (INFO != NULL) fflush (INFO);
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/* Reports an error in printf style format and halts the program */
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/* strerror() is currently not used to report errors because Sun machines
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will not compile the function for some reason */
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/* Written by Jason Rennie <jrennie@ai.mit.edu> for ifile
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adapted from bow_error() - written by Andrew Kachites McCallum */
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ifile_error (const char *format, ...)
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va_start (ap, format);
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if (INFO) vfprintf (INFO, format, ap);
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/* fprintf("Error: %s\n", strerror(errno)); */
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va_start (ap, format);
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vfprintf (stderr, format, ap);
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/* fprintf(stderr, "Error: %s\n\n", strerror(errno)); */
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ifile_close_log(INFO);
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error.c
