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Fix #120 - seek virgin file

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This commit is contained in:
sensslen
2016-12-14 17:05:08 +01:00
committed by GitHub
parent 21fe570974
commit 19dd301cc6
1 changed files with 4 additions and 2 deletions
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src/spiffs_hydrogen.c
+4 -2
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@@ -577,16 +577,18 @@ s32_t SPIFFS_lseek(spiffs *fs, spiffs_file fh, s32_t offs, int whence) {
spiffs_fflush_cache(fs, fh);
#endif
s32_t fileSize = fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size;
switch (whence) {
case SPIFFS_SEEK_CUR:
offs = fd->fdoffset+offs;
break;
case SPIFFS_SEEK_END:
offs = (fd->size == SPIFFS_UNDEFINED_LEN ? 0 : fd->size) + offs;
offs = fileSize + offs;
break;
}
if ((offs > (s32_t)fd->size) && (SPIFFS_UNDEFINED_LEN != fd->size)) {
if ((offs > fileSize)) {
res = SPIFFS_ERR_END_OF_OBJECT;
}
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);