Philips Philips / Mbed 2 deprecated LocalFileSystem_with_Rename

Rename LocalFileSystem flash memory files, thanks Doug Wendelboe for the fix

Dependencies:   mbed

rename.h@0:07f9467c9d46, 2012-04-02 (annotated)

Committer:
mbed2f
Date:
Mon Apr 02 20:01:38 2012 +0000
Revision:
0:07f9467c9d46
LocalFileSystem with Rename

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed2f 0:07f9467c9d46 1 //***********************************************************
mbed2f 0:07f9467c9d46 2 // file_rename: renames a file (via copy & delete).
mbed2f 0:07f9467c9d46 3 // Moves data instead of adjusting the file name in the
mbed2f 0:07f9467c9d46 4 // file directory. Checks to insure the file was renamed.
mbed2f 0:07f9467c9d46 5 // Returns -1 = error; 0 = success
mbed2f 0:07f9467c9d46 6 //***********************************************************
mbed2f 0:07f9467c9d46 7 int file_rename(const char *oldfname, const char *newfname) {
mbed2f 0:07f9467c9d46 8 int retval = 0;
mbed2f 0:07f9467c9d46 9 int ch;
mbed2f 0:07f9467c9d46 10
mbed2f 0:07f9467c9d46 11 FILE *fpold = fopen(oldfname, "r"); // src file
mbed2f 0:07f9467c9d46 12 FILE *fpnew = fopen(newfname, "w"); // dest file
mbed2f 0:07f9467c9d46 13
mbed2f 0:07f9467c9d46 14 while (1) { // Copy src to dest
mbed2f 0:07f9467c9d46 15 ch = fgetc(fpold); // until src EOF read.
mbed2f 0:07f9467c9d46 16 if (ch == EOF) break;
mbed2f 0:07f9467c9d46 17 fputc(ch, fpnew);
mbed2f 0:07f9467c9d46 18 }
mbed2f 0:07f9467c9d46 19
mbed2f 0:07f9467c9d46 20 fclose(fpnew);
mbed2f 0:07f9467c9d46 21 fclose(fpold);
mbed2f 0:07f9467c9d46 22
mbed2f 0:07f9467c9d46 23 fpnew = fopen(newfname, "r"); // Reopen dest to insure
mbed2f 0:07f9467c9d46 24 if(fpnew == NULL) { // that it was created.
mbed2f 0:07f9467c9d46 25 retval = (-1); // Return Error.
mbed2f 0:07f9467c9d46 26 }
mbed2f 0:07f9467c9d46 27 else {
mbed2f 0:07f9467c9d46 28 fclose(fpnew);
mbed2f 0:07f9467c9d46 29 remove(oldfname); // Remove original file.
mbed2f 0:07f9467c9d46 30 retval = (0); // Return Success.
mbed2f 0:07f9467c9d46 31 }
mbed2f 0:07f9467c9d46 32 return (retval);
mbed2f 0:07f9467c9d46 33 }
mbed2f 0:07f9467c9d46 34
mbed2f 0:07f9467c9d46 35 //***********************************************************
mbed2f 0:07f9467c9d46 36 // file_copy: Copies a file
mbed2f 0:07f9467c9d46 37 // Checks to insure destination file was created.
mbed2f 0:07f9467c9d46 38 // Returns -1 = error; 0 = success
mbed2f 0:07f9467c9d46 39 //***********************************************************
mbed2f 0:07f9467c9d46 40 int file_copy (const char *src, const char *dst) {
mbed2f 0:07f9467c9d46 41 int retval = 0;
mbed2f 0:07f9467c9d46 42 int ch;
mbed2f 0:07f9467c9d46 43
mbed2f 0:07f9467c9d46 44 FILE *fpsrc = fopen(src, "r"); // src file
mbed2f 0:07f9467c9d46 45 FILE *fpdst = fopen(dst, "w"); // dest file
mbed2f 0:07f9467c9d46 46
mbed2f 0:07f9467c9d46 47 while (1) { // Copy src to dest
mbed2f 0:07f9467c9d46 48 ch = fgetc(fpsrc); // until src EOF read.
mbed2f 0:07f9467c9d46 49 if (ch == EOF) break;
mbed2f 0:07f9467c9d46 50 fputc(ch, fpdst);
mbed2f 0:07f9467c9d46 51 }
mbed2f 0:07f9467c9d46 52 fclose(fpsrc);
mbed2f 0:07f9467c9d46 53 fclose(fpdst);
mbed2f 0:07f9467c9d46 54
mbed2f 0:07f9467c9d46 55 fpdst = fopen(dst, "r"); // Reopen dest to insure
mbed2f 0:07f9467c9d46 56 if(fpdst == NULL) { // that it was created.
mbed2f 0:07f9467c9d46 57 retval = (-1); // Return error.
mbed2f 0:07f9467c9d46 58 }
mbed2f 0:07f9467c9d46 59 else {
mbed2f 0:07f9467c9d46 60 fclose(fpdst);
mbed2f 0:07f9467c9d46 61 retval = (0); // Return success.
mbed2f 0:07f9467c9d46 62 }
mbed2f 0:07f9467c9d46 63 return (retval);
mbed2f 0:07f9467c9d46 64 }
mbed2f 0:07f9467c9d46 65
mbed2f 0:07f9467c9d46 66
mbed2f 0:07f9467c9d46 67