libarchive/tar/subst.c

72 	struct subst_rule *rule;
83 	rule = malloc(sizeof(*rule));
84 	if (rule == NULL)
86 	rule->next = NULL;
87 	rule->result = NULL;
90 		subst->first_rule = rule;
92 		subst->last_rule->next = rule;
93 	subst->last_rule = rule;
107 	if ((r = regcomp(&rule->re, pattern, REG_BASIC)) != 0) {
109 		regerror(r, &rule->re, buf, sizeof(buf));
119 	rule->result = malloc(end_pattern - start_subst + 1);
120 	if (rule->result == NULL)
122 	memcpy(rule->result, start_subst, end_pattern - start_subst);
123 	rule->result[end_pattern - start_subst] = '\0';
126 	rule->global = 0; /* Don't do multiple replacements. */
127 	rule->print = 0; /* Don't print. */
128 	rule->regular = 1; /* Rewrite regular filenames. */
129 	rule->symlink = 1; /* Rewrite symlink targets. */
130 	rule->hardlink = 1; /* Rewrite hardlink targets. */
136 			rule->global = 1;
139 			rule->hardlink = 1;
142 			rule->hardlink = 0;
146 			rule->print = 1;
149 			rule->regular = 1;
152 			rule->regular = 0;
155 			rule->symlink = 1;
158 			rule->symlink = 0;
216 	struct subst_rule *rule;
228 	for (rule = subst->first_rule; rule != NULL; rule = rule->next) {
230 			if (!rule->symlink)
233 			if (!rule->hardlink)
236 			if (!rule->regular)
241 			if (regexec(&rule->re, name, 10, matches, 0))
245 			print_match |= rule->print;
248 			for (i = 0, j = 0; rule->result[i] != '\0'; ++i) {
249 				if (rule->result[i] == '~') {
250 					realloc_strncat(result, rule->result + j, i - j);
257 				if (rule->result[i] != '\\')
261 				c = rule->result[i];
265 					realloc_strncat(result, rule->result + j, i - j - 1);
277 					realloc_strncat(result, rule->result + j, i - j - 1);
278 					if ((size_t)(c - '0') > (size_t)(rule->re.re_nsub)) {
293 			realloc_strcat(result, rule->result + j);
297 			if (!rule->global)
314 	struct subst_rule *rule;
320 	while ((rule = subst->first_rule) != NULL) {
321 		subst->first_rule = rule->next;
322 		free(rule->result);
323 		free(rule);