[PATCH v2 1/2] utils: use always fwrite to write bitmap

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Make easier to check error on next patch
---
 server/spice-bitmap-utils.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/server/spice-bitmap-utils.c b/server/spice-bitmap-utils.c
index 8d6e7c6..e6be15f 100644
--- a/server/spice-bitmap-utils.c
+++ b/server/spice-bitmap-utils.c
@@ -147,17 +147,15 @@ static void dump_palette(FILE *f, SpicePalette* plt)
 
 static void dump_line(FILE *f, uint8_t* line, uint16_t n_pixel_bits, int width, int row_size)
 {
-    int i;
+    static char zeroes[4] = { 0 };
     int copy_bytes_size = SPICE_ALIGN(n_pixel_bits * width, 8) / 8;
 
     fwrite(line, 1, copy_bytes_size, f);
-    if (row_size > copy_bytes_size) {
-        // each line should be 4 bytes aligned
-        for (i = copy_bytes_size; i < row_size; i++) {
-            fprintf(f, "%c", 0);
-        }
-    }
+    // each line should be 4 bytes aligned
+    spice_assert(row_size - copy_bytes_size >= 0 && row_size - copy_bytes_size <= 4);
+    fwrite(zeroes, 1, row_size - copy_bytes_size, f);
 }
+
 void dump_bitmap(SpiceBitmap *bitmap)
 {
     static uint32_t file_id = 0;
-- 
2.4.3

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