[FFmpeg-cvslog] avoid "0xFF << 24" as it is considered a integer overflow in C99

Michael Niedermayer git at videolan.org
Sun Oct 14 03:30:52 CEST 2012


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Oct 14 03:17:13 2012 +0200| [b12d92efd6c0d48665383a9baecc13e7ebbd8a22] | committer: Michael Niedermayer

avoid "0xFF << 24" as it is considered a integer overflow in C99

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b12d92efd6c0d48665383a9baecc13e7ebbd8a22
---

 libavcodec/avs.c         |    2 +-
 libavcodec/bfi.c         |    2 +-
 libavcodec/bmv.c         |    2 +-
 libavcodec/cdgraphics.c  |    2 +-
 libavcodec/dfa.c         |    2 +-
 libavcodec/dxa.c         |    2 +-
 libavcodec/eacmv.c       |    2 +-
 libavcodec/eatgv.c       |    2 +-
 libavcodec/flicvideo.c   |    2 +-
 libavcodec/jvdec.c       |    2 +-
 libavcodec/kmvc.c        |    2 +-
 libavcodec/mmvideo.c     |    2 +-
 libavcodec/mss1.c        |    2 +-
 libavcodec/mss12.c       |    2 +-
 libavcodec/pngdec.c      |    4 ++--
 libavcodec/qdrw.c        |    2 +-
 libavcodec/rl2.c         |    2 +-
 libavcodec/sanm.c        |    8 ++++----
 libavcodec/smacker.c     |    2 +-
 libavcodec/tiertexseqv.c |    2 +-
 libavcodec/tiff.c        |    4 ++--
 libavcodec/vmdav.c       |    2 +-
 libavcodec/vqavideo.c    |    2 +-
 libavcodec/yop.c         |    2 +-
 24 files changed, 29 insertions(+), 29 deletions(-)

diff --git a/libavcodec/avs.c b/libavcodec/avs.c
index a9ab029..4b05bf9 100644
--- a/libavcodec/avs.c
+++ b/libavcodec/avs.c
@@ -87,7 +87,7 @@ avs_decode_frame(AVCodecContext * avctx,
         buf += 4;
         for (i=first; i<last; i++, buf+=3) {
             pal[i] = (buf[0] << 18) | (buf[1] << 10) | (buf[2] << 2);
-            pal[i] |= 0xFF << 24 | (pal[i] >> 6) & 0x30303;
+            pal[i] |= 0xFFU << 24 | (pal[i] >> 6) & 0x30303;
         }
 
         sub_type = buf[0];
diff --git a/libavcodec/bfi.c b/libavcodec/bfi.c
index 8d7aa13..f7df68e 100644
--- a/libavcodec/bfi.c
+++ b/libavcodec/bfi.c
@@ -82,7 +82,7 @@ static int bfi_decode_frame(AVCodecContext *avctx, void *data,
         pal = (uint32_t *)bfi->frame.data[1];
         for (i = 0; i < avctx->extradata_size / 3; i++) {
             int shift = 16;
-            *pal = 0xFF << 24;
+            *pal = 0xFFU << 24;
             for (j = 0; j < 3; j++, shift -= 8)
                 *pal += ((avctx->extradata[i * 3 + j] << 2) |
                          (avctx->extradata[i * 3 + j] >> 4)) << shift;
diff --git a/libavcodec/bmv.c b/libavcodec/bmv.c
index 48e9508..a345ea4 100644
--- a/libavcodec/bmv.c
+++ b/libavcodec/bmv.c
@@ -227,7 +227,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
             return AVERROR_INVALIDDATA;
         }
         for (i = 0; i < 256; i++)
-            c->pal[i] = 0xFF << 24 | bytestream_get_be24(&c->stream);
+            c->pal[i] = 0xFFU << 24 | bytestream_get_be24(&c->stream);
     }
     if (type & BMV_SCROLL) {
         if (c->stream - pkt->data > pkt->size - 2) {
diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c
index 91b2d90..1f666fc 100644
--- a/libavcodec/cdgraphics.c
+++ b/libavcodec/cdgraphics.c
@@ -126,7 +126,7 @@ static void cdg_load_palette(CDGraphicsContext *cc, uint8_t *data, int low)
         r = ((color >> 8) & 0x000F) * 17;
         g = ((color >> 4) & 0x000F) * 17;
         b = ((color     ) & 0x000F) * 17;
-        palette[i + array_offset] = 0xFF << 24 | r << 16 | g << 8 | b;
+        palette[i + array_offset] = 0xFFU << 24 | r << 16 | g << 8 | b;
     }
     cc->frame.palette_has_changed = 1;
 }
diff --git a/libavcodec/dfa.c b/libavcodec/dfa.c
index 8156c37..94a4265 100644
--- a/libavcodec/dfa.c
+++ b/libavcodec/dfa.c
@@ -345,7 +345,7 @@ static int dfa_decode_frame(AVCodecContext *avctx,
             pal_elems = FFMIN(chunk_size / 3, 256);
             for (i = 0; i < pal_elems; i++) {
                 s->pal[i] = bytestream2_get_be24(&gb) << 2;
-                s->pal[i] |= 0xFF << 24 | (s->pal[i] >> 6) & 0x30303;
+                s->pal[i] |= 0xFFU << 24 | (s->pal[i] >> 6) & 0x30303;
             }
             s->pic.palette_has_changed = 1;
         } else if (chunk_type <= 9) {
diff --git a/libavcodec/dxa.c b/libavcodec/dxa.c
index 2155195..13b63df 100644
--- a/libavcodec/dxa.c
+++ b/libavcodec/dxa.c
@@ -209,7 +209,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
             r = *buf++;
             g = *buf++;
             b = *buf++;
-            c->pal[i] = 0xFF << 24 | r << 16 | g << 8 | b;
+            c->pal[i] = 0xFFU << 24 | r << 16 | g << 8 | b;
         }
         pc = 1;
         buf_size -= 768+4;
diff --git a/libavcodec/eacmv.c b/libavcodec/eacmv.c
index 4960011..d3de7ca 100644
--- a/libavcodec/eacmv.c
+++ b/libavcodec/eacmv.c
@@ -142,7 +142,7 @@ static void cmv_process_header(CmvContext *s, const uint8_t *buf, const uint8_t
 
     buf += 16;
     for (i=pal_start; i<pal_start+pal_count && i<AVPALETTE_COUNT && buf_end - buf >= 3; i++) {
-        s->palette[i] = 0xFF << 24 | AV_RB24(buf);
+        s->palette[i] = 0xFFU << 24 | AV_RB24(buf);
         buf += 3;
     }
 }
diff --git a/libavcodec/eatgv.c b/libavcodec/eatgv.c
index 45f9fc7..69e74ca 100644
--- a/libavcodec/eatgv.c
+++ b/libavcodec/eatgv.c
@@ -286,7 +286,7 @@ static int tgv_decode_frame(AVCodecContext *avctx,
         pal_count = AV_RL16(&buf[6]);
         buf += 12;
         for(i=0; i<pal_count && i<AVPALETTE_COUNT && buf_end - buf >= 3; i++) {
-            s->palette[i] = 0xFF << 24 | AV_RB24(buf);
+            s->palette[i] = 0xFFU << 24 | AV_RB24(buf);
             buf += 3;
         }
     }
diff --git a/libavcodec/flicvideo.c b/libavcodec/flicvideo.c
index 79695da..0514b75 100644
--- a/libavcodec/flicvideo.c
+++ b/libavcodec/flicvideo.c
@@ -256,7 +256,7 @@ static int flic_decode_frame_8BPP(AVCodecContext *avctx,
                     r = bytestream2_get_byte(&g2) << color_shift;
                     g = bytestream2_get_byte(&g2) << color_shift;
                     b = bytestream2_get_byte(&g2) << color_shift;
-                    entry = 0xFF << 24 | r << 16 | g << 8 | b;
+                    entry = 0xFFU << 24 | r << 16 | g << 8 | b;
                     if (color_shift == 2)
                         entry |= entry >> 6 & 0x30303;
                     if (s->palette[palette_ptr] != entry)
diff --git a/libavcodec/jvdec.c b/libavcodec/jvdec.c
index cec28cc..976ce08 100644
--- a/libavcodec/jvdec.c
+++ b/libavcodec/jvdec.c
@@ -177,7 +177,7 @@ static int decode_frame(AVCodecContext *avctx,
     if (buf_end - buf >= AVPALETTE_COUNT * 3) {
         for (i = 0; i < AVPALETTE_COUNT; i++) {
             uint32_t pal = AV_RB24(buf);
-            s->palette[i] = 0xFF << 24 | pal << 2 | ((pal >> 4) & 0x30303);
+            s->palette[i] = 0xFFU << 24 | pal << 2 | ((pal >> 4) & 0x30303);
             buf += 3;
         }
         s->palette_has_changed = 1;
diff --git a/libavcodec/kmvc.c b/libavcodec/kmvc.c
index 59ae9f2..3454594 100644
--- a/libavcodec/kmvc.c
+++ b/libavcodec/kmvc.c
@@ -389,7 +389,7 @@ static av_cold int decode_init(AVCodecContext * avctx)
     c->prev = c->frm1;
 
     for (i = 0; i < 256; i++) {
-        c->pal[i] = 0xFF << 24 | i * 0x10101;
+        c->pal[i] = 0xFFU << 24 | i * 0x10101;
     }
 
     if (avctx->extradata_size < 12) {
diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c
index 28975e8..b51d4fe 100644
--- a/libavcodec/mmvideo.c
+++ b/libavcodec/mmvideo.c
@@ -72,7 +72,7 @@ static int mm_decode_pal(MmContext *s)
 
     bytestream2_skip(&s->gb, 4);
     for (i = 0; i < 128; i++) {
-        s->palette[i] = 0xFF << 24 | bytestream2_get_be24(&s->gb);
+        s->palette[i] = 0xFFU << 24 | bytestream2_get_be24(&s->gb);
         s->palette[i+128] = s->palette[i]<<2;
     }
 
diff --git a/libavcodec/mss1.c b/libavcodec/mss1.c
index 660dd89..6a55b4f 100644
--- a/libavcodec/mss1.c
+++ b/libavcodec/mss1.c
@@ -129,7 +129,7 @@ static int decode_pal(MSS12Context *ctx, ArithCoder *acoder)
         r = arith_get_bits(acoder, 8);
         g = arith_get_bits(acoder, 8);
         b = arith_get_bits(acoder, 8);
-        *pal++ = (0xFF << 24) | (r << 16) | (g << 8) | b;
+        *pal++ = (0xFFU << 24) | (r << 16) | (g << 8) | b;
     }
 
     return !!ncol;
diff --git a/libavcodec/mss12.c b/libavcodec/mss12.c
index b8df225..59294b8 100644
--- a/libavcodec/mss12.c
+++ b/libavcodec/mss12.c
@@ -645,7 +645,7 @@ av_cold int ff_mss12_decode_init(MSS12Context *c, int version,
     }
 
     for (i = 0; i < 256; i++)
-        c->pal[i] = 0xFF << 24 | AV_RB24(avctx->extradata + 52 +
+        c->pal[i] = 0xFFU << 24 | AV_RB24(avctx->extradata + 52 +
                             (version ? 8 : 0) + i * 3);
 
     c->mask_stride = FFALIGN(avctx->width, 16);
diff --git a/libavcodec/pngdec.c b/libavcodec/pngdec.c
index 4a6047e..a75420b 100644
--- a/libavcodec/pngdec.c
+++ b/libavcodec/pngdec.c
@@ -592,10 +592,10 @@ static int decode_frame(AVCodecContext *avctx,
                     r = bytestream2_get_byte(&s->gb);
                     g = bytestream2_get_byte(&s->gb);
                     b = bytestream2_get_byte(&s->gb);
-                    s->palette[i] = (0xff << 24) | (r << 16) | (g << 8) | b;
+                    s->palette[i] = (0xFFU << 24) | (r << 16) | (g << 8) | b;
                 }
                 for(;i<256;i++) {
-                    s->palette[i] = (0xff << 24);
+                    s->palette[i] = (0xFFU << 24);
                 }
                 s->state |= PNG_PLTE;
                 bytestream2_skip(&s->gb, 4); /* crc */
diff --git a/libavcodec/qdrw.c b/libavcodec/qdrw.c
index 55fc930..ab4c6c1 100644
--- a/libavcodec/qdrw.c
+++ b/libavcodec/qdrw.c
@@ -91,7 +91,7 @@ static int decode_frame(AVCodecContext *avctx,
         buf++;
         b = *buf++;
         buf++;
-        pal[idx] = 0xFF << 24 | r << 16 | g << 8 | b;
+        pal[idx] = 0xFFU << 24 | r << 16 | g << 8 | b;
     }
     p->palette_has_changed = 1;
 
diff --git a/libavcodec/rl2.c b/libavcodec/rl2.c
index 96041a6..5cffd52 100644
--- a/libavcodec/rl2.c
+++ b/libavcodec/rl2.c
@@ -154,7 +154,7 @@ static av_cold int rl2_decode_init(AVCodecContext *avctx)
 
     /** initialize palette */
     for(i=0;i<AVPALETTE_COUNT;i++)
-        s->palette[i] = 0xFF << 24 | AV_RB24(&avctx->extradata[6 + i * 3]);
+        s->palette[i] = 0xFFU << 24 | AV_RB24(&avctx->extradata[6 + i * 3]);
 
     /** decode background frame if present */
     back_size = avctx->extradata_size - EXTRADATA1_SIZE;
diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c
index c39d269..766ac68 100644
--- a/libavcodec/sanm.c
+++ b/libavcodec/sanm.c
@@ -284,7 +284,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
         ctx->subversion = AV_RL16(avctx->extradata);
         for (i = 0; i < 256; i++)
-            ctx->pal[i] = 0xFF << 24 | AV_RL32(avctx->extradata + 2 + i * 4);
+            ctx->pal[i] = 0xFFU << 24 | AV_RL32(avctx->extradata + 2 + i * 4);
     }
 
     return 0;
@@ -1172,7 +1172,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
                     return AVERROR_INVALIDDATA;
                 }
                 for (i = 0; i < 256; i++)
-                    ctx->pal[i] = 0xFF << 24 | bytestream2_get_be24u(&ctx->gb);
+                    ctx->pal[i] = 0xFFU << 24 | bytestream2_get_be24u(&ctx->gb);
                 break;
             case MKBETAG('F', 'O', 'B', 'J'):
                 if (size < 16)
@@ -1190,7 +1190,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
                             int t = (ctx->pal[i] >> (16 - j * 8)) & 0xFF;
                             tmp[j] = av_clip_uint8((t * 129 + ctx->delta_pal[i * 3 + j]) >> 7);
                         }
-                        ctx->pal[i] = 0xFF << 24 | AV_RB24(tmp);
+                        ctx->pal[i] = 0xFFU << 24 | AV_RB24(tmp);
                     }
                 } else {
                     if (size < 768 * 2 + 4) {
@@ -1203,7 +1203,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
                         ctx->delta_pal[i] = bytestream2_get_le16u(&ctx->gb);
                     if (size >= 768 * 5 + 4) {
                         for (i = 0; i < 256; i++)
-                            ctx->pal[i] = 0xFF << 24 | bytestream2_get_be24u(&ctx->gb);
+                            ctx->pal[i] = 0xFFU << 24 | bytestream2_get_be24u(&ctx->gb);
                     } else {
                         memset(ctx->pal, 0, sizeof(ctx->pal));
                     }
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index fa4812c..0291061 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -388,7 +388,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
         smk->pic.pict_type = AV_PICTURE_TYPE_P;
 
     for(i = 0; i < 256; i++)
-        *pal++ = 0xFF << 24 | bytestream2_get_be24u(&gb2);
+        *pal++ = 0xFFU << 24 | bytestream2_get_be24u(&gb2);
 
     last_reset(smk->mmap_tbl, smk->mmap_last);
     last_reset(smk->mclr_tbl, smk->mclr_last);
diff --git a/libavcodec/tiertexseqv.c b/libavcodec/tiertexseqv.c
index e6bf0fd..62b7eeb 100644
--- a/libavcodec/tiertexseqv.c
+++ b/libavcodec/tiertexseqv.c
@@ -178,7 +178,7 @@ static int seqvideo_decode(SeqVideoContext *seq, const unsigned char *data, int
         for (i = 0; i < 256; i++) {
             for (j = 0; j < 3; j++, data++)
                 c[j] = (*data << 2) | (*data >> 4);
-            palette[i] = 0xFF << 24 | AV_RB24(c);
+            palette[i] = 0xFFU << 24 | AV_RB24(c);
         }
         seq->frame.palette_has_changed = 1;
     }
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index ed4670f..ad0b0ba 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -607,7 +607,7 @@ static int init_image(TiffContext *s)
             /* make default grayscale pal */
             pal = (uint32_t *) s->picture.data[1];
             for (i = 0; i < 1<<s->bpp; i++)
-                pal[i] = 0xFF << 24 | i * 255 / ((1<<s->bpp) - 1) * 0x010101;
+                pal[i] = 0xFFU << 24 | i * 255 / ((1<<s->bpp) - 1) * 0x010101;
         }
     }
     return 0;
@@ -824,7 +824,7 @@ static int tiff_decode_tag(TiffContext *s)
         for (k = 2; k >= 0; k--) {
             for (i = 0; i < count / 3; i++) {
                 if (k == 2)
-                    pal[i] = 0xff << 24;
+                    pal[i] = 0xFFU << 24;
                 j =  (tget(&s->gb, type, s->le) >> off) << (k * 8);
                 pal[i] |= j;
             }
diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
index b0599b9..2b298fe 100644
--- a/libavcodec/vmdav.c
+++ b/libavcodec/vmdav.c
@@ -265,7 +265,7 @@ static void vmd_decode(VmdVideoContext *s)
             r = *p++ * 4;
             g = *p++ * 4;
             b = *p++ * 4;
-            palette32[i] = 0xFF << 24 | r << 16 | g << 8 | b;
+            palette32[i] = 0xFFU << 24 | r << 16 | g << 8 | b;
             palette32[i] |= palette32[i] >> 6 & 0x30303;
         }
     }
diff --git a/libavcodec/vqavideo.c b/libavcodec/vqavideo.c
index 93a602e..7646519 100644
--- a/libavcodec/vqavideo.c
+++ b/libavcodec/vqavideo.c
@@ -416,7 +416,7 @@ static int vqa_decode_chunk(VqaContext *s)
             r = bytestream2_get_byteu(&s->gb) * 4;
             g = bytestream2_get_byteu(&s->gb) * 4;
             b = bytestream2_get_byteu(&s->gb) * 4;
-            s->palette[i] = 0xFF << 24 | r << 16 | g << 8 | b;
+            s->palette[i] = 0xFFU << 24 | r << 16 | g << 8 | b;
             s->palette[i] |= s->palette[i] >> 6 & 0x30303;
         }
     }
diff --git a/libavcodec/yop.c b/libavcodec/yop.c
index 3e27c1f..2103628 100644
--- a/libavcodec/yop.c
+++ b/libavcodec/yop.c
@@ -235,7 +235,7 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         palette[i + firstcolor] = (s->srcptr[0] << 18) |
                                   (s->srcptr[1] << 10) |
                                   (s->srcptr[2] << 2);
-        palette[i + firstcolor] |= 0xFF << 24 |
+        palette[i + firstcolor] |= 0xFFU << 24 |
                                    (palette[i + firstcolor] >> 6) & 0x30303;
     }
 



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