version 1.1, 2015/07/17 22:38:29 |
version 1.5, 2015/07/25 14:28:59 |
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*/ |
*/ |
#include <sys/types.h> |
#include <sys/types.h> |
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#include <signal.h> |
#include <stddef.h> |
#include <stddef.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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struct tag_entry { |
struct tag_entry { |
size_t line; |
size_t line; |
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int prio; |
char s[]; |
char s[]; |
}; |
}; |
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static void tag_signal(int); |
static void *tag_alloc(size_t, void *); |
static void *tag_alloc(size_t, void *); |
static void tag_free(void *, void *); |
static void tag_free(void *, void *); |
static void *tag_calloc(size_t, size_t, void *); |
static void *tag_calloc(size_t, size_t, void *); |
Line 50 static int tag_fd = -1; |
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Line 53 static int tag_fd = -1; |
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* where various marked-up terms are documented and create |
* where various marked-up terms are documented and create |
* the temporary tags file, saving the name for the pager. |
* the temporary tags file, saving the name for the pager. |
*/ |
*/ |
void |
char * |
tag_init(void) |
tag_init(void) |
{ |
{ |
struct ohash_info tag_info; |
struct ohash_info tag_info; |
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tag_fn = mandoc_strdup("/tmp/man.XXXXXXXXXX"); |
tag_fn = mandoc_strdup("/tmp/man.XXXXXXXXXX"); |
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signal(SIGHUP, tag_signal); |
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signal(SIGINT, tag_signal); |
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signal(SIGTERM, tag_signal); |
if ((tag_fd = mkstemp(tag_fn)) == -1) { |
if ((tag_fd = mkstemp(tag_fn)) == -1) { |
free(tag_fn); |
free(tag_fn); |
tag_fn = NULL; |
tag_fn = NULL; |
return; |
return(NULL); |
} |
} |
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tag_info.alloc = tag_alloc; |
tag_info.alloc = tag_alloc; |
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tag_info.key_offset = offsetof(struct tag_entry, s); |
tag_info.key_offset = offsetof(struct tag_entry, s); |
tag_info.data = NULL; |
tag_info.data = NULL; |
ohash_init(&tag_data, 4, &tag_info); |
ohash_init(&tag_data, 4, &tag_info); |
} |
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char * |
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tag_filename(void) |
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{ |
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return(tag_fn); |
return(tag_fn); |
} |
} |
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/* |
/* |
* Return the line number where a term is defined, |
* Set the line number where a term is defined, |
* or 0 if the term is unknown. |
* unless it is already defined at a higher priority. |
*/ |
*/ |
size_t |
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tag_get(const char *s, size_t len) |
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{ |
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struct tag_entry *entry; |
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const char *end; |
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unsigned int slot; |
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if (tag_fd == -1) |
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return(0); |
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if (len == 0) |
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len = strlen(s); |
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end = s + len; |
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slot = ohash_qlookupi(&tag_data, s, &end); |
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entry = ohash_find(&tag_data, slot); |
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return(entry == NULL ? 0 : entry->line); |
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} |
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/* |
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* Set the line number where a term is defined. |
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*/ |
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void |
void |
tag_put(const char *s, size_t len, size_t line) |
tag_put(const char *s, int prio, size_t line) |
{ |
{ |
struct tag_entry *entry; |
struct tag_entry *entry; |
const char *end; |
size_t len; |
unsigned int slot; |
unsigned int slot; |
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if (tag_fd == -1) |
if (tag_fd == -1) |
return; |
return; |
if (len == 0) |
slot = ohash_qlookup(&tag_data, s); |
len = strlen(s); |
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end = s + len; |
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slot = ohash_qlookupi(&tag_data, s, &end); |
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entry = ohash_find(&tag_data, slot); |
entry = ohash_find(&tag_data, slot); |
if (entry == NULL) { |
if (entry == NULL) { |
entry = mandoc_malloc(sizeof(*entry) + len + 1); |
len = strlen(s) + 1; |
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entry = mandoc_malloc(sizeof(*entry) + len); |
memcpy(entry->s, s, len); |
memcpy(entry->s, s, len); |
entry->s[len] = '\0'; |
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ohash_insert(&tag_data, slot, entry); |
ohash_insert(&tag_data, slot, entry); |
} |
} else if (entry->prio <= prio) |
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return; |
entry->line = line; |
entry->line = line; |
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entry->prio = prio; |
} |
} |
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/* |
/* |
Line 156 tag_unlink(void) |
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Line 135 tag_unlink(void) |
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if (tag_fn != NULL) |
if (tag_fn != NULL) |
unlink(tag_fn); |
unlink(tag_fn); |
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} |
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static void |
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tag_signal(int signum) |
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{ |
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tag_unlink(); |
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signal(signum, SIG_DFL); |
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kill(getpid(), signum); |
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/* NOTREACHED */ |
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_exit(1); |
} |
} |
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/* |
/* |