51 	FILE	*f;  member
58 gzfgetln(gzFile f, size_t *len)  in gzfgetln()  argument
64 		c = gzgetc(f);  in gzfgetln()
69 			if (gzeof(f))  in gzfgetln()
72 			gzerrstr = gzerror(f, &gzerr);  in gzfgetln()
87 	if (gzeof(f) && n == 0)  in gzfgetln()
97 	file_t *f;  in grep_fdopen()  local
104 	f = grep_malloc(sizeof *f);  in grep_fdopen()
108 		f->type = FILE_GZIP;  in grep_fdopen()
109 		f->noseek = lseek(fd, 0L, SEEK_SET) == -1;  in grep_fdopen()
110 		if ((f->gzf = gzdopen(fd, mode)) != NULL)  in grep_fdopen()
111 			return f;  in grep_fdopen()
115 		f->type = FILE_STDIO;  in grep_fdopen()
116 		f->noseek = isatty(fd);  in grep_fdopen()
117 		if ((f->f = fdopen(fd, mode)) != NULL)  in grep_fdopen()
118 			return f;  in grep_fdopen()
121 	free(f);  in grep_fdopen()
128 	file_t *f;  in grep_open()  local
132 	f = grep_malloc(sizeof *f);  in grep_open()
133 	f->noseek = 0;  in grep_open()
137 		f->type = FILE_GZIP;  in grep_open()
138 		if ((f->gzf = gzopen(fname, mode)) != NULL)  in grep_open()
139 			return f;  in grep_open()
144 		if ((f->mmf = mmopen(fname, mode)) != NULL) {  in grep_open()
145 			f->type = FILE_MMAP;  in grep_open()
146 			return f;  in grep_open()
148 		f->type = FILE_STDIO;  in grep_open()
149 		if ((f->f = fopen(path, mode)) != NULL)  in grep_open()
150 			return f;  in grep_open()
153 	free(f);  in grep_open()
158 grep_bin_file(file_t *f)  in grep_bin_file()  argument
160 	if (f->noseek)  in grep_bin_file()
163 	switch (f->type) {  in grep_bin_file()
165 		return bin_file(f->f);  in grep_bin_file()
167 		return mmbin_file(f->mmf);  in grep_bin_file()
170 		return gzbin_file(f->gzf);  in grep_bin_file()
179 grep_tell(file_t *f)  in grep_tell()  argument
181 	switch (f->type) {  in grep_tell()
183 		return ftell(f->f);  in grep_tell()
185 		return mmtell(f->mmf);  in grep_tell()
188 		return gztell(f->gzf);  in grep_tell()
197 grep_fgetln(file_t *f, size_t *l)  in grep_fgetln()  argument
199 	switch (f->type) {  in grep_fgetln()
201 		return fgetln(f->f, l);  in grep_fgetln()
203 		return mmfgetln(f->mmf, l);  in grep_fgetln()
206 		return gzfgetln(f->gzf, l);  in grep_fgetln()
215 grep_close(file_t *f)  in grep_close()  argument
217 	switch (f->type) {  in grep_close()
219 		fclose(f->f);  in grep_close()
222 		mmclose(f->mmf);  in grep_close()
226 		gzclose(f->gzf);  in grep_close()