version 1.9, 2015/10/11 22:00:52 |
version 1.12, 2016/07/08 20:42:15 |
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#include <string.h> |
#include <string.h> |
#include <unistd.h> |
#include <unistd.h> |
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#if HAVE_OHASH |
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#include <ohash.h> |
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#else |
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#include "compat_ohash.h" |
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#endif |
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#include "mandoc_aux.h" |
#include "mandoc_aux.h" |
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#include "mandoc_ohash.h" |
#include "tag.h" |
#include "tag.h" |
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struct tag_entry { |
struct tag_entry { |
Line 42 struct tag_entry { |
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Line 37 struct tag_entry { |
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}; |
}; |
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static void tag_signal(int); |
static void tag_signal(int); |
static void *tag_alloc(size_t, void *); |
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static void tag_free(void *, void *); |
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static void *tag_calloc(size_t, size_t, void *); |
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static struct ohash tag_data; |
static struct ohash tag_data; |
static struct tag_files tag_files; |
static struct tag_files tag_files; |
Line 58 static struct tag_files tag_files; |
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Line 50 static struct tag_files tag_files; |
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struct tag_files * |
struct tag_files * |
tag_init(void) |
tag_init(void) |
{ |
{ |
struct ohash_info tag_info; |
struct sigaction sa; |
int ofd; |
int ofd; |
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ofd = -1; |
ofd = -1; |
tag_files.tfd = -1; |
tag_files.tfd = -1; |
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tag_files.tcpgid = -1; |
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/* Clean up when dying from a signal. */ |
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memset(&sa, 0, sizeof(sa)); |
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sigfillset(&sa.sa_mask); |
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sa.sa_handler = tag_signal; |
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sigaction(SIGHUP, &sa, NULL); |
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sigaction(SIGINT, &sa, NULL); |
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sigaction(SIGTERM, &sa, NULL); |
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/* |
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* POSIX requires that a process calling tcsetpgrp(3) |
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* from the background gets a SIGTTOU signal. |
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* In that case, do not stop. |
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*/ |
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sa.sa_handler = SIG_IGN; |
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sigaction(SIGTTOU, &sa, NULL); |
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/* Save the original standard output for use by the pager. */ |
/* Save the original standard output for use by the pager. */ |
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if ((tag_files.ofd = dup(STDOUT_FILENO)) == -1) |
if ((tag_files.ofd = dup(STDOUT_FILENO)) == -1) |
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sizeof(tag_files.ofn)); |
sizeof(tag_files.ofn)); |
(void)strlcpy(tag_files.tfn, "/tmp/man.XXXXXXXXXX", |
(void)strlcpy(tag_files.tfn, "/tmp/man.XXXXXXXXXX", |
sizeof(tag_files.tfn)); |
sizeof(tag_files.tfn)); |
signal(SIGHUP, tag_signal); |
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signal(SIGINT, tag_signal); |
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signal(SIGTERM, tag_signal); |
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if ((ofd = mkstemp(tag_files.ofn)) == -1) |
if ((ofd = mkstemp(tag_files.ofn)) == -1) |
goto fail; |
goto fail; |
if ((tag_files.tfd = mkstemp(tag_files.tfn)) == -1) |
if ((tag_files.tfd = mkstemp(tag_files.tfn)) == -1) |
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* where various marked-up terms are documented. |
* where various marked-up terms are documented. |
*/ |
*/ |
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tag_info.alloc = tag_alloc; |
mandoc_ohash_init(&tag_data, 4, offsetof(struct tag_entry, s)); |
tag_info.calloc = tag_calloc; |
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tag_info.free = tag_free; |
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tag_info.key_offset = offsetof(struct tag_entry, s); |
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tag_info.data = NULL; |
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ohash_init(&tag_data, 4, &tag_info); |
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return &tag_files; |
return &tag_files; |
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fail: |
fail: |
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void |
void |
tag_unlink(void) |
tag_unlink(void) |
{ |
{ |
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pid_t tc_pgid; |
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if (tag_files.tcpgid != -1) { |
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tc_pgid = tcgetpgrp(STDIN_FILENO); |
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if (tc_pgid == tag_files.pager_pid || |
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tc_pgid == getpgid(0) || |
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getpgid(tc_pgid) == -1) |
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(void)tcsetpgrp(STDIN_FILENO, tag_files.tcpgid); |
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} |
if (*tag_files.ofn != '\0') |
if (*tag_files.ofn != '\0') |
unlink(tag_files.ofn); |
unlink(tag_files.ofn); |
if (*tag_files.tfn != '\0') |
if (*tag_files.tfn != '\0') |
Line 180 tag_unlink(void) |
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Line 191 tag_unlink(void) |
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static void |
static void |
tag_signal(int signum) |
tag_signal(int signum) |
{ |
{ |
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struct sigaction sa; |
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tag_unlink(); |
tag_unlink(); |
signal(signum, SIG_DFL); |
memset(&sa, 0, sizeof(sa)); |
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sigemptyset(&sa.sa_mask); |
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sa.sa_handler = SIG_DFL; |
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sigaction(signum, &sa, NULL); |
kill(getpid(), signum); |
kill(getpid(), signum); |
/* NOTREACHED */ |
/* NOTREACHED */ |
_exit(1); |
_exit(1); |
} |
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/* |
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* Memory management callback functions for ohash. |
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*/ |
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static void * |
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tag_alloc(size_t sz, void *arg) |
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{ |
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return mandoc_malloc(sz); |
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} |
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static void * |
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tag_calloc(size_t nmemb, size_t sz, void *arg) |
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{ |
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return mandoc_calloc(nmemb, sz); |
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} |
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static void |
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tag_free(void *p, void *arg) |
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{ |
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free(p); |
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} |
} |