Update fopen calls for Windows compatibility

Open files in binary mode, or on Windows fread/fwrite will treat the files as text and mangle the read/written data

4 files changed, 4 insertions, 4 deletions

diff --git a/tools/input/ivf.c b/tools/input/ivf.c
index 2e47d32..a8f7810 100644
--- a/tools/input/ivf.c
+++ b/tools/input/ivf.c
@@ -49,7 +49,7 @@ static int ivf_open(IvfInputContext *const c, const char *const file,
     uint8_t hdr[32];
 
     memset(c, 0, sizeof(*c));
-    if (!(c->f = fopen(file, "r"))) {
+    if (!(c->f = fopen(file, "rb"))) {
         fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
         return -1;
     } else if ((res = fread(hdr, 32, 1, c->f)) != 1) {
diff --git a/tools/output/md5.c b/tools/output/md5.c
index 0fe0c3e..a6d92d6 100644
--- a/tools/output/md5.c
+++ b/tools/output/md5.c
@@ -76,7 +76,7 @@ static int md5_open(MD5Context *const md5, const char *const file,
 {
     if (!strcmp(file, "-")) {
         md5->f = stdout;
-    } else if (!(md5->f = fopen(file, "w"))) {
+    } else if (!(md5->f = fopen(file, "wb"))) {
         fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
         return -1;
     }
diff --git a/tools/output/y4m2.c b/tools/output/y4m2.c
index 5c9ed93..94e8b66 100644
--- a/tools/output/y4m2.c
+++ b/tools/output/y4m2.c
@@ -44,7 +44,7 @@ static int y4m2_open(Y4m2OutputContext *const c, const char *const file,
 {
     if (!strcmp(file, "-")) {
         c->f = stdout;
-    } else if (!(c->f = fopen(file, "w"))) {
+    } else if (!(c->f = fopen(file, "wb"))) {
         fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
         return -1;
     }
diff --git a/tools/output/yuv.c b/tools/output/yuv.c
index 07d9518..406f284 100644
--- a/tools/output/yuv.c
+++ b/tools/output/yuv.c
@@ -45,7 +45,7 @@ static int yuv_open(YuvOutputContext *const c, const char *const file,
 {
     if (!strcmp(file, "-")) {
         c->f = stdout;
-    } else if (!(c->f = fopen(file, "w"))) {
+    } else if (!(c->f = fopen(file, "wb"))) {
         fprintf(stderr, "Failed to open %s: %s\n", file, strerror(errno));
         return -1;
     }