Replace ftello() with BIO_tell() in get_current_position()

olszomal · olszomal · commit 24233a85cef7 · 2025-07-07T15:59:11.000+02:00
diff --git a/appx.c b/appx.c
@@ -2790,11 +2790,12 @@ static int readZip64EOCDR(ZIP64_EOCDR *eocdr, FILE *file, uint64_t offset)
 
 static int get_current_position(BIO *bio, uint64_t *offset)
 {
-    FILE *file = NULL;
     int64_t pos;
 
-    BIO_get_fp(bio, &file);
-    pos = ftello(file);
+    if (!bio) {
+         return 0; /* FAILED */
+    }
+    pos = BIO_tell(bio);
     if (pos < 0) {
         return 0; /* FAILED */
     }

Original file line number	Diff line number	Diff line change
`@@ -2790,11 +2790,12 @@ static int readZip64EOCDR(ZIP64_EOCDR eocdr, FILE file, uint64_t offset)`
`2790`	`2790`
`2791`	`2791`	`static int get_current_position(BIO bio, uint64_t offset)`
`2792`	`2792`	`{`
`2793`		`- FILE *file = NULL;`
`2794`	`2793`	`int64_t pos;`
`2795`	`2794`
`2796`		`- BIO_get_fp(bio, &file);`
`2797`		`- pos = ftello(file);`
	`2795`	`+ if (!bio) {`
	`2796`	`+ return 0; /* FAILED */`
	`2797`	`+ }`
	`2798`	`+ pos = BIO_tell(bio);`
`2798`	`2799`	`if (pos < 0) {`
`2799`	`2800`	`return 0; /* FAILED */`
`2800`	`2801`	`}`