block.c (0d54a6fed3ebaf0e17656a712e5d6575c712459b) block.c (03c320d803fd881736b63015048498cf97d410d3)
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

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192 if (len > dest_size - 1)
193 len = dest_size - 1;
194 memcpy(dest, base_path, len);
195 dest[len] = '\0';
196 pstrcat(dest, dest_size, filename);
197 }
198}
199
1/*
2 * QEMU System Emulator block driver
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights

--- 183 unchanged lines hidden (view full) ---

192 if (len > dest_size - 1)
193 len = dest_size - 1;
194 memcpy(dest, base_path, len);
195 dest[len] = '\0';
196 pstrcat(dest, dest_size, filename);
197 }
198}
199
200/*
201 * Helper function for bdrv_parse_filename() implementations to remove optional
202 * protocol prefixes (especially "file:") from a filename and for putting the
203 * stripped filename into the options QDict if there is such a prefix.
204 */
205void bdrv_parse_filename_strip_prefix(const char *filename, const char *prefix,
206 QDict *options)
207{
208 if (strstart(filename, prefix, &filename)) {
209 /* Stripping the explicit protocol prefix may result in a protocol
210 * prefix being (wrongly) detected (if the filename contains a colon) */
211 if (path_has_protocol(filename)) {
212 QString *fat_filename;
213
214 /* This means there is some colon before the first slash; therefore,
215 * this cannot be an absolute path */
216 assert(!path_is_absolute(filename));
217
218 /* And we can thus fix the protocol detection issue by prefixing it
219 * by "./" */
220 fat_filename = qstring_from_str("./");
221 qstring_append(fat_filename, filename);
222
223 assert(!path_has_protocol(qstring_get_str(fat_filename)));
224
225 qdict_put(options, "filename", fat_filename);
226 } else {
227 /* If no protocol prefix was detected, we can use the shortened
228 * filename as-is */
229 qdict_put_str(options, "filename", filename);
230 }
231 }
232}
233
234
200/* Returns whether the image file is opened as read-only. Note that this can
201 * return false and writing to the image file is still not possible because the
202 * image is inactivated. */
203bool bdrv_is_read_only(BlockDriverState *bs)
204{
205 return bs->read_only;
206}
207

--- 4689 unchanged lines hidden --- 		235/* Returns whether the image file is opened as read-only. Note that this can
236 * return false and writing to the image file is still not possible because the
237 * image is inactivated. */
238bool bdrv_is_read_only(BlockDriverState *bs)
239{
240 return bs->read_only;
241}
242

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