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fix compiler warning on 32-bit Linux

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fixes #5
This commit is contained in:
Martins Mozeiko
2017-11-01 10:55:44 -07:00
parent 8bd9674de4
commit 1120dd06e4
1 changed files with 2 additions and 2 deletions
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pkg2zip_sys.c
+2 -2
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@@ -154,7 +154,7 @@ void sys_close(sys_file file)
void sys_read(sys_file file, uint64_t offset, void* buffer, uint32_t size)
{
ssize_t read = pread((int)(intptr_t)file, buffer, size, offset);
if (read != size)
if (read < 0 || read != (ssize_t)size)
{
fatal("ERROR: failed to read %u bytes from file\n", size);
}
@@ -163,7 +163,7 @@ void sys_read(sys_file file, uint64_t offset, void* buffer, uint32_t size)
void sys_write(sys_file file, uint64_t offset, const void* buffer, uint32_t size)
{
ssize_t wrote = pwrite((int)(intptr_t)file, buffer, size, offset);
if (wrote != size)
if (wrote < 0 || wrote != (ssize_t)size)
{
fatal("ERROR: failed to read %u bytes from file\n", size);
}