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O_RDONLY is 0
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parent
77faa00a57
commit
3682a56062
1 changed files with 8 additions and 3 deletions
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@ -311,24 +311,29 @@ static int fsdev_open(struct _reent *r, void *fileStruct, const char *path, int
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{ O_CREAT , FA_OPEN_ALWAYS },
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{ O_EXCL , FA_CREATE_NEW },
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{ O_TRUNC , FA_CREATE_ALWAYS },
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{ O_RDONLY, FA_READ },
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/*{ O_RDONLY, FA_READ }, O_RDONLY is 0*/
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{ O_WRONLY, FA_WRITE },
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{ O_RDWR , FA_READ | FA_WRITE },
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};
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if ((flags & O_RDONLY & O_WRONLY) || ((flags & O_RDWR) & (O_RDONLY | O_WRONLY))) {
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if ((flags & O_RDWR) & (O_RDONLY | O_WRONLY)) {
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r->_errno = EINVAL;
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return -1;
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}
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if (flags & O_RDONLY & O_APPEND) {
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if ((flags & O_APPEND) && (flags & O_ACCMODE) == O_RDONLY) {
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r->_errno = EINVAL;
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return -1;
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}
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for (size_t i = 0; i < sizeof(flag_mappings)/sizeof(flag_mappings[0]); i++) {
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if (flags & flag_mappings[i].posix_flag) {
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ff_flags |= flag_mappings[i].ff_flag;
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}
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}
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if ((flags & O_ACCMODE) == O_RDONLY) {
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ff_flags |= FA_READ;
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}
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/* Normalize O_CREAT|O_TRUNC */
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if ((ff_flags & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS)) == (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS)) {
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ff_flags &= ~FA_OPEN_ALWAYS;
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