Ollie Milton / FileUtils

Utility for copying and renaming files.

Utility for copying and renaming files.

FileUtils.h@2:361360b2f1c5, 2015-01-26 (annotated)

Committer:
ollie8
Date:
Mon Jan 26 08:28:04 2015 +0000
Revision:
2:361360b2f1c5
Parent:
1:1f1e0c92b3f8 
Fixed bug where rename would always return true.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ollie8 0:4be393eec2a2 1
ollie8 2:361360b2f1c5 2 #define DEBUG
ollie8 2:361360b2f1c5 3 #include "logger.h"
ollie8 0:4be393eec2a2 4 /** fcopy: Copies a file
ollie8 2:361360b2f1c5 5 * Checks to ensure destination file was created.
ollie8 0:4be393eec2a2 6 * Returns -1 = error; 0 = success
ollie8 0:4be393eec2a2 7 */
ollie8 0:4be393eec2a2 8 int fcopy (const char *src, const char *dst) {
ollie8 0:4be393eec2a2 9 FILE *fpsrc = fopen(src, "r");
ollie8 0:4be393eec2a2 10 FILE *fpdst = fopen(dst, "w");
ollie8 0:4be393eec2a2 11 int ch = fgetc(fpsrc);
ollie8 0:4be393eec2a2 12 while (ch != EOF) {
ollie8 0:4be393eec2a2 13 fputc(ch, fpdst);
ollie8 0:4be393eec2a2 14 ch = fgetc(fpsrc);
ollie8 0:4be393eec2a2 15 }
ollie8 0:4be393eec2a2 16 fclose(fpsrc);
ollie8 1:1f1e0c92b3f8 17 fclose(fpdst);
ollie8 0:4be393eec2a2 18 int retval = 0;
ollie8 0:4be393eec2a2 19 fpdst = fopen(dst, "r");
ollie8 0:4be393eec2a2 20 if (fpdst == NULL) {
ollie8 2:361360b2f1c5 21 retval = 0;
ollie8 0:4be393eec2a2 22 } else {
ollie8 0:4be393eec2a2 23 fclose(fpdst);
ollie8 2:361360b2f1c5 24 retval = 1;
ollie8 0:4be393eec2a2 25 }
ollie8 0:4be393eec2a2 26 return retval;
ollie8 0:4be393eec2a2 27 }
ollie8 0:4be393eec2a2 28
ollie8 0:4be393eec2a2 29 /** frename: renames a file (via copy & delete).
ollie8 0:4be393eec2a2 30 * Moves data instead of adjusting the file name in the
ollie8 2:361360b2f1c5 31 * file directory. Checks to ensure the file was renamed.
ollie8 0:4be393eec2a2 32 * Returns -1 = error; 0 = success
ollie8 0:4be393eec2a2 33 */
ollie8 0:4be393eec2a2 34 int frename(const char *oldfname, const char *newfname) {
ollie8 2:361360b2f1c5 35 int retval = -1;
ollie8 2:361360b2f1c5 36 INFO("Renaming");
ollie8 0:4be393eec2a2 37 if (fcopy(oldfname, newfname)) {
ollie8 2:361360b2f1c5 38 INFO("Deleting");
ollie8 0:4be393eec2a2 39 remove(oldfname);
ollie8 2:361360b2f1c5 40 retval = 0;
ollie8 0:4be393eec2a2 41 }
ollie8 2:361360b2f1c5 42 INFO("Done");
ollie8 0:4be393eec2a2 43 return retval;
ollie8 0:4be393eec2a2 44 }