version 1.19, 2018/02/23 16:47:10 |
version 1.21, 2018/11/22 11:30:23 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2015, 2016 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2015, 2016, 2018 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <sys/types.h> |
#include <sys/types.h> |
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#if HAVE_ERR |
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#include <err.h> |
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#endif |
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#include <limits.h> |
#include <signal.h> |
#include <signal.h> |
#include <stddef.h> |
#include <stddef.h> |
#include <stdint.h> |
#include <stdint.h> |
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/* |
/* |
* Set the line number where a term is defined, |
* Set the line number where a term is defined, |
* unless it is already defined at a higher priority. |
* unless it is already defined at a lower priority. |
*/ |
*/ |
void |
void |
tag_put(const char *s, int prio, size_t line) |
tag_put(const char *s, int prio, size_t line) |
{ |
{ |
struct tag_entry *entry; |
struct tag_entry *entry; |
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const char *se; |
size_t len; |
size_t len; |
unsigned int slot; |
unsigned int slot; |
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/* Sanity checks. */ |
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if (tag_files.tfd <= 0) |
if (tag_files.tfd <= 0) |
return; |
return; |
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if (s[0] == '\\' && (s[1] == '&' || s[1] == 'e')) |
if (s[0] == '\\' && (s[1] == '&' || s[1] == 'e')) |
s += 2; |
s += 2; |
if (*s == '\0' || strchr(s, ' ') != NULL) |
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/* |
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* Skip whitespace and whatever follows it, |
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* and if there is any, downgrade the priority. |
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*/ |
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len = strcspn(s, " \t"); |
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if (len == 0) |
return; |
return; |
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slot = ohash_qlookup(&tag_data, s); |
se = s + len; |
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if (*se != '\0') |
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prio = INT_MAX; |
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slot = ohash_qlookupi(&tag_data, s, &se); |
entry = ohash_find(&tag_data, slot); |
entry = ohash_find(&tag_data, slot); |
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if (entry == NULL) { |
if (entry == NULL) { |
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/* Build a new entry. */ |
/* Build a new entry. */ |
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len = strlen(s) + 1; |
entry = mandoc_malloc(sizeof(*entry) + len + 1); |
entry = mandoc_malloc(sizeof(*entry) + len); |
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memcpy(entry->s, s, len); |
memcpy(entry->s, s, len); |
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entry->s[len] = '\0'; |
entry->lines = NULL; |
entry->lines = NULL; |
entry->maxlines = entry->nlines = 0; |
entry->maxlines = entry->nlines = 0; |
ohash_insert(&tag_data, slot, entry); |
ohash_insert(&tag_data, slot, entry); |
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} else { |
} else { |
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/* Handle priority 0 entries. */ |
/* |
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* Lower priority numbers take precedence, |
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* but 0 is special. |
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* A tag with priority 0 is only used |
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* if the tag occurs exactly once. |
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*/ |
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if (prio == 0) { |
if (prio == 0) { |
if (entry->prio == 0) |
if (entry->prio == 0) |
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if (tag_files.tfd <= 0) |
if (tag_files.tfd <= 0) |
return; |
return; |
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if (tag_files.tagname != NULL && ohash_find(&tag_data, |
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ohash_qlookup(&tag_data, tag_files.tagname)) == NULL) { |
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warnx("%s: no such tag", tag_files.tagname); |
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tag_files.tagname = NULL; |
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} |
stream = fdopen(tag_files.tfd, "w"); |
stream = fdopen(tag_files.tfd, "w"); |
entry = ohash_first(&tag_data, &slot); |
entry = ohash_first(&tag_data, &slot); |
while (entry != NULL) { |
while (entry != NULL) { |