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Fix CID 1353770, 1353769

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This commit is contained in:
Anton Kochkov 2016-04-06 00:55:20 +03:00
parent c481971fc8
commit 5b75d4cac7
1 changed files with 9 additions and 3 deletions
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12
libr/util/buf.c
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@ -207,13 +207,16 @@ R_API RBuffer *r_buf_new_slurp (const char *file) {
R_API int r_buf_seek (RBuffer *b, st64 addr, int whence) {
ut64 min = 0LL, max = 0LL;
if (b->fd != -1) {
r_sandbox_lseek (b->fd, addr, whence);
if (r_sandbox_lseek (b->fd, addr, whence) == -1) {
// seek failed - print error here?
return -1;
}
} else if (b->sparse) {
sparse_limits (b->sparse, &min, &max);
switch (whence) {
case R_IO_SEEK_SET: b->cur = addr; break;
case R_IO_SEEK_CUR: b->cur = b->cur + addr; break;
case R_IO_SEEK_END:
case R_IO_SEEK_END:
if (sparse_limits (b->sparse, NULL, &max)) {
return max; // -min
}
@ -376,7 +379,10 @@ static int r_buf_cpy(RBuffer *b, ut64 addr, ut8 *dst, const ut8 *src, int len, i
if (!b || b->empty)
return 0;
if (b->fd != -1) {
r_sandbox_lseek (b->fd, addr, SEEK_SET);
if (r_sandbox_lseek (b->fd, addr, SEEK_SET) == -1) {
// seek failed - print error here?
return 0;
}
if (write) {
return r_sandbox_write (b->fd, src, len);
} else {