diff options
Diffstat (limited to 'tag.c')
| -rw-r--r-- | tag.c | 49 |
1 files changed, 34 insertions, 15 deletions
@@ -1,6 +1,6 @@ -/* $Id: tag.c,v 1.21 2018/11/22 11:30:23 schwarze Exp $ */ +/* $Id: tag.c,v 1.24 2019/07/22 03:21:50 schwarze Exp $ */ /* - * Copyright (c) 2015, 2016, 2018 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2015, 2016, 2018, 2019 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 @@ -18,9 +18,7 @@ #include <sys/types.h> -#if HAVE_ERR -#include <err.h> -#endif +#include <errno.h> #include <limits.h> #include <signal.h> #include <stddef.h> @@ -32,6 +30,7 @@ #include "mandoc_aux.h" #include "mandoc_ohash.h" +#include "mandoc.h" #include "tag.h" struct tag_entry { @@ -83,8 +82,10 @@ tag_init(void) /* Save the original standard output for use by the pager. */ - if ((tag_files.ofd = dup(STDOUT_FILENO)) == -1) + if ((tag_files.ofd = dup(STDOUT_FILENO)) == -1) { + mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno)); goto fail; + } /* Create both temporary output files. */ @@ -92,12 +93,20 @@ tag_init(void) sizeof(tag_files.ofn)); (void)strlcpy(tag_files.tfn, "/tmp/man.XXXXXXXXXX", sizeof(tag_files.tfn)); - if ((ofd = mkstemp(tag_files.ofn)) == -1) + if ((ofd = mkstemp(tag_files.ofn)) == -1) { + mandoc_msg(MANDOCERR_MKSTEMP, 0, 0, + "%s: %s", tag_files.ofn, strerror(errno)); goto fail; - if ((tag_files.tfd = mkstemp(tag_files.tfn)) == -1) + } + if ((tag_files.tfd = mkstemp(tag_files.tfn)) == -1) { + mandoc_msg(MANDOCERR_MKSTEMP, 0, 0, + "%s: %s", tag_files.tfn, strerror(errno)); goto fail; - if (dup2(ofd, STDOUT_FILENO) == -1) + } + if (dup2(ofd, STDOUT_FILENO) == -1) { + mandoc_msg(MANDOCERR_DUP, 0, 0, "%s", strerror(errno)); goto fail; + } close(ofd); /* @@ -142,11 +151,11 @@ tag_put(const char *s, int prio, size_t line) s += 2; /* - * Skip whitespace and whatever follows it, + * Skip whitespace and escapes and whatever follows, * and if there is any, downgrade the priority. */ - len = strcspn(s, " \t"); + len = strcspn(s, " \t\\"); if (len == 0) return; @@ -216,21 +225,27 @@ tag_write(void) struct tag_entry *entry; size_t i; unsigned int slot; + int empty; if (tag_files.tfd <= 0) return; if (tag_files.tagname != NULL && ohash_find(&tag_data, ohash_qlookup(&tag_data, tag_files.tagname)) == NULL) { - warnx("%s: no such tag", tag_files.tagname); + mandoc_msg(MANDOCERR_TAG, 0, 0, "%s", tag_files.tagname); tag_files.tagname = NULL; } - stream = fdopen(tag_files.tfd, "w"); + if ((stream = fdopen(tag_files.tfd, "w")) == NULL) + mandoc_msg(MANDOCERR_FDOPEN, 0, 0, "%s", strerror(errno)); + empty = 1; entry = ohash_first(&tag_data, &slot); while (entry != NULL) { - if (stream != NULL && entry->prio >= 0) - for (i = 0; i < entry->nlines; i++) + if (stream != NULL && entry->prio >= 0) { + for (i = 0; i < entry->nlines; i++) { fprintf(stream, "%s %s %zu\n", entry->s, tag_files.ofn, entry->lines[i]); + empty = 0; + } + } free(entry->lines); free(entry); entry = ohash_next(&tag_data, &slot); @@ -241,6 +256,10 @@ tag_write(void) else close(tag_files.tfd); tag_files.tfd = -1; + if (empty) { + unlink(tag_files.tfn); + *tag_files.tfn = '\0'; + } } void |