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Merge pull request #54 from raburton/tellandeof

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add tell and eof functions
This commit is contained in:
Peter Andersson
2015-10-12 11:31:43 +02:00
parent 0f6e5f2300 276e26f7de
commit 6c7585806b
2 changed files with 60 additions and 0 deletions
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src/spiffs.h
+14
View File
@@ -548,6 +548,20 @@ s32_t SPIFFS_gc_quick(spiffs *fs, u16_t max_free_pages);
*/
s32_t SPIFFS_gc(spiffs *fs, u32_t size);
/**
* Check if EOF reached.
* @param fs the file system struct
* @param fh the filehandle of the file to check
*/
s32_t SPIFFS_eof(spiffs *fs, spiffs_file fh);
/**
* Get position in file.
* @param fs the file system struct
* @param fh the filehandle of the file to check
*/
s32_t SPIFFS_tell(spiffs *fs, spiffs_file fh);
#if SPIFFS_TEST_VISUALISATION
/**
* Prints out a visualization of the filesystem.
src/spiffs_hydrogen.c
+46
View File
@@ -922,6 +922,52 @@ s32_t SPIFFS_gc(spiffs *fs, u32_t size) {
return 0;
}
s32_t SPIFFS_eof(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = (fd->fdoffset == fd->size);
SPIFFS_UNLOCK(fs);
return res;
}
s32_t SPIFFS_tell(spiffs *fs, spiffs_file fh) {
s32_t res;
SPIFFS_API_CHECK_CFG(fs);
SPIFFS_API_CHECK_MOUNT(fs);
SPIFFS_LOCK(fs);
fh = SPIFFS_FH_UNOFFS(fs, fh);
spiffs_fd *fd;
res = spiffs_fd_get(fs, fh, &fd);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#if SPIFFS_CACHE_WR
res = spiffs_fflush_cache(fs, fh);
SPIFFS_API_CHECK_RES_UNLOCK(fs, res);
#endif
res = fd->fdoffset;
SPIFFS_UNLOCK(fs);
return res;
}
#if SPIFFS_TEST_VISUALISATION
s32_t SPIFFS_vis(spiffs *fs) {