helper/fileio: Use size_t for file size.

[openocd.git] / src / helper / fileio.c

diff --git a/src/helper/fileio.c b/src/helper/fileio.c
index c6f45e6ba78bb23d8dec0bcdb00abe2b5ee4ed15..9d3931356e706120aa67f57febcd5ccda1f2d41c 100644 (file)
--- a/src/helper/fileio.c
+++ b/src/helper/fileio.c
@@ -34,7 +34,7 @@
 
 struct fileio_internal {
        char *url;
-       ssize_t size;
+       size_t size;
        enum fileio_type type;
        enum fileio_access access;
        FILE *file;
@@ -44,6 +44,7 @@ static inline int fileio_close_local(struct fileio_internal *fileio);
 static inline int fileio_open_local(struct fileio_internal *fileio)
 {
        char file_access[4];
+       ssize_t file_size;
 
        switch (fileio->access) {
                case FILEIO_READ:
@@ -78,6 +79,8 @@ static inline int fileio_open_local(struct fileio_internal *fileio)
                return ERROR_FILEIO_OPERATION_FAILED;
        }
 
+       file_size = 0;
+
        if ((fileio->access != FILEIO_WRITE) || (fileio->access == FILEIO_READWRITE)) {
                /* NB! Here we use fseek() instead of stat(), since stat is a
                 * more advanced operation that might not apply to e.g. a disk path
@@ -86,16 +89,17 @@ static inline int fileio_open_local(struct fileio_internal *fileio)
 
                result = fseek(fileio->file, 0, SEEK_END);
 
-               fileio->size = ftell(fileio->file);
+               file_size = ftell(fileio->file);
 
                result2 = fseek(fileio->file, 0, SEEK_SET);
 
-               if ((fileio->size < 0) || (result < 0) || (result2 < 0)) {
+               if ((file_size < 0) || (result < 0) || (result2 < 0)) {
                        fileio_close_local(fileio);
                        return ERROR_FILEIO_OPERATION_FAILED;
                }
-       } else
-               fileio->size = 0x0;
+       }
+
+       fileio->size = file_size;
 
        return ERROR_OK;
 }
@@ -245,9 +249,10 @@ int fileio_write_u32(struct fileio *fileio_p, uint32_t data)
  * Avoiding the seek on startup opens up for using streams.
  *
  */
-int fileio_size(struct fileio *fileio_p, int *size)
+int fileio_size(struct fileio *fileio_p, size_t *size)
 {
        struct fileio_internal *fileio = fileio_p->fp;
        *size = fileio->size;
+
        return ERROR_OK;
 }