missing and unreadable files from SYSERR to ERROR.
Needed for upcoming work.
As a bonus, this minimally simplifies code and documentation.
-.\" $OpenBSD: mandoc.1,v 1.70 2014/12/28 14:39:08 schwarze Exp $
+.\" $OpenBSD: mandoc.1,v 1.71 2015/01/14 22:02:00 schwarze Exp $
.\"
.\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
-.\" Copyright (c) 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
+.\" Copyright (c) 2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: December 28 2014 $
+.Dd $Mdocdate: January 14 2015 $
.Dt MANDOC 1
.Os
.Sh NAME
Invalid command line arguments were specified.
No input files have been read.
.It 6
-An operating system error occurred, for example memory exhaustion or an
-error accessing input files.
+An operating system error occurred, for example exhaustion
+of memory, file descriptors, or process table entries.
Such errors cause
.Nm
to exit at once, possibly in the middle of parsing or formatting a file.
.Pp
Message levels have the following meanings:
.Bl -tag -width "warning"
-.It Cm syserr
-Opening or reading an input file failed, so the parser cannot
-even be started and no output is produced from that input file.
.It Cm fatal
The parser is unable to parse a given input file at all.
No formatted output is produced from that input file.
generation of formatted output, but typically, preparing that
output involves information loss, broken document structure
or unintended formatting.
+.Pp
+Non-existent or unreadable input files are also reported on the
+.Cm error
+level.
+In that case, the parser cannot even be started and no output
+is produced from those input files.
.It Cm warning
An input file uses obsolete, discouraged or non-portable syntax.
All the same, the meaning of the input is unambiguous and a correct
.Cm warning
and
.Cm error
-levels are hidden unless their level, or a lower level, is requested using a
+levels except those about non-existent or unreadable input files
+are hidden unless their level, or a lower level, is requested using a
.Fl W
option or
.Fl T Ns Cm lint
-/* $OpenBSD: mandoc.h,v 1.120 2015/01/14 17:45:25 schwarze Exp $ */
+/* $OpenBSD: mandoc.h,v 1.121 2015/01/14 22:02:00 schwarze Exp $ */
/*
* Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */
/* related to document structure and macros */
+ MANDOCERR_FILE, /* cannot open file */
MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
MANDOCERR_BADCHAR, /* skipping bad character: number */
MANDOCERR_MACRO, /* skipping unknown macro: macro */
MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
MANDOCERR_SO_FAIL, /* .so request failed */
- /* ===== system errors ===== */
-
- MANDOCERR_SYSEXIT, /* gunzip failed with code */
- MANDOCERR_SYSOPEN, /* cannot open file */
- MANDOCERR_SYSSIG, /* gunzip died from signal */
-
MANDOCERR_MAX
};
-/* $OpenBSD: read.c,v 1.82 2015/01/14 17:45:25 schwarze Exp $ */
+/* $OpenBSD: read.c,v 1.83 2015/01/14 22:02:00 schwarze Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
"ignoring macro in table",
/* related to document structure and macros */
+ NULL,
"input stack limit exceeded, infinite loop?",
"skipping bad character",
"skipping unknown macro",
"input too large",
"NOT IMPLEMENTED: .so with absolute path or \"..\"",
".so request failed",
-
- /* system errors */
- "gunzip failed with code",
- NULL,
- "gunzip died from signal",
};
static const char * const mandoclevels[MANDOCLEVEL_MAX] = {
save_child = curp->child;
if (fd != -1)
curp->child = 0;
- else if (mparse_open(curp, &fd, file) >= MANDOCLEVEL_SYSERR)
+ else if (mparse_open(curp, &fd, file) != MANDOCLEVEL_OK)
goto out;
if (read_whole_file(curp, file, fd, &blk, &with_mmap)) {
int pfd[2];
int save_errno;
char *cp;
- enum mandocerr err;
- pfd[1] = -1;
curp->file = file;
/* Unless zipped, try to just open the file. */
if (access(file, R_OK) == -1) {
if (cp != NULL)
errno = save_errno;
- err = MANDOCERR_SYSOPEN;
- goto out;
+ free(cp);
+ *fd = -1;
+ curp->child = 0;
+ mandoc_msg(MANDOCERR_FILE, curp, 0, 0, strerror(errno));
+ return(MANDOCLEVEL_ERROR);
}
/* Run gunzip(1). */
*fd = pfd[0];
return(MANDOCLEVEL_OK);
}
-
-out:
- free(cp);
- *fd = -1;
- curp->child = 0;
- curp->file_status = MANDOCLEVEL_SYSERR;
- if (curp->mmsg)
- (*curp->mmsg)(err, curp->file_status, curp->file,
- 0, 0, strerror(errno));
- if (pfd[1] != -1)
- exit(1);
- return(curp->file_status);
}
enum mandoclevel
exit((int)MANDOCLEVEL_SYSERR);
}
if (WIFSIGNALED(status)) {
- mandoc_vmsg(MANDOCERR_SYSSIG, curp, 0, 0,
- "%d", WTERMSIG(status));
- curp->file_status = MANDOCLEVEL_SYSERR;
- return(curp->file_status);
+ mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0,
+ "gunzip died from signal %d", WTERMSIG(status));
+ return(MANDOCLEVEL_ERROR);
}
if (WEXITSTATUS(status)) {
- mandoc_vmsg(MANDOCERR_SYSEXIT, curp, 0, 0,
- "%d", WEXITSTATUS(status));
- curp->file_status = MANDOCLEVEL_SYSERR;
- return(curp->file_status);
+ mandoc_vmsg(MANDOCERR_FILE, curp, 0, 0,
+ "gunzip failed with code %d", WEXITSTATUS(status));
+ return(MANDOCLEVEL_ERROR);
}
return(MANDOCLEVEL_OK);
}
while (er < mandoclimits[level])
level--;
- if (level < m->wlevel)
+ if (level < m->wlevel && er != MANDOCERR_FILE)
return;
if (m->mmsg)