libarchive/cat/cmdline.c

43 #include "bsdcat.h"
55  * defined in bsdcat.h.  Also note that so far I've found no need
75  * has, of course, been shamelessly tailored for bsdcat.  (If you're
93  * early bsdcat as a way to access long options on platforms that did
104  * bsdcat.c.
113 bsdcat_getopt(struct bsdcat *bsdcat)
124 	bsdcat->argument = NULL;
127 	if (bsdcat->getopt_state == state_start) {
129 		++bsdcat->argv;
130 		--bsdcat->argc;
131 		if (*bsdcat->argv == NULL)
134 		bsdcat->getopt_state = state_next_word;
140 	if (bsdcat->getopt_state == state_next_word) {
142 		if (bsdcat->argv[0] == NULL)
145 		if (bsdcat->argv[0][0] != '-')
148 		if (strcmp(bsdcat->argv[0], "--") == 0) {
149 			++bsdcat->argv;
150 			--bsdcat->argc;
154 		bsdcat->getopt_word = *bsdcat->argv++;
155 		--bsdcat->argc;
156 		if (bsdcat->getopt_word[1] == '-') {
158 			bsdcat->getopt_state = state_long;
159 			bsdcat->getopt_word += 2; /* Skip leading '--' */
162 			bsdcat->getopt_state = state_short;
163 			++bsdcat->getopt_word;  /* Skip leading '-' */
170 	if (bsdcat->getopt_state == state_short) {
172 		opt = *bsdcat->getopt_word++;
175 			bsdcat->getopt_state = state_next_word;
176 			return bsdcat_getopt(bsdcat);
188 			/* If arg is run-in, bsdcat->getopt_word already points to it. */
189 			if (bsdcat->getopt_word[0] == '\0') {
191 				bsdcat->getopt_word = *bsdcat->argv;
192 				if (bsdcat->getopt_word == NULL) {
198 				++bsdcat->argv;
199 				--bsdcat->argc;
202 				bsdcat->getopt_state = state_long;
205 				bsdcat->getopt_state = state_next_word;
206 				bsdcat->argument = bsdcat->getopt_word;
212 	if (bsdcat->getopt_state == state_long) {
214 		bsdcat->getopt_state = state_next_word;
217 		p = strchr(bsdcat->getopt_word, '=');
219 			optlength = (size_t)(p - bsdcat->getopt_word);
220 			bsdcat->argument = (char *)(uintptr_t)(p + 1);
222 			optlength = strlen(bsdcat->getopt_word);
228 			if (popt->name[0] != bsdcat->getopt_word[0])
231 			if (strncmp(bsdcat->getopt_word, popt->name, optlength) == 0) {
246 			    long_prefix, bsdcat->getopt_word);
252 			    long_prefix, bsdcat->getopt_word, match->name, match2->name);
259 			if (bsdcat->argument == NULL) {
260 				bsdcat->argument = *bsdcat->argv;
261 				if (bsdcat->argument == NULL) {
267 				++bsdcat->argv;
268 				--bsdcat->argc;
272 			if (bsdcat->argument != NULL) {