[tools,tests] Fix incorrect errno checking

Valid error numbers are all positive numbers in libc. Signed-off-by: Kailun Qin <kailun.qin@intel.com>
gramineproject · Feb 19, 2024 · 2cef387 · 2cef387
1 parent f0bb306
commit 2cef387
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/libos/test/regression/large_file.c b/libos/test/regression/large_file.c
@@ -74,7 +74,7 @@ int main(void) {
         ssize_t n;
         do {
             n = read(fd, &c, 1);
-        } while (n == -1 && errno == -EINTR);
+        } while (n == -1 && errno == EINTR);
         if (n == -1)
             err(1, "read");
         if (n != 1)

diff --git a/tools/sgx/common/pf_util.c b/tools/sgx/common/pf_util.c
@@ -351,7 +351,7 @@ int pf_encrypt_file(const char* input_path, const char* output_path, const pf_ke
             break;
 
         if (chunk_size < 0) {
-            if (errno == -EINTR)
+            if (errno == EINTR)
                 continue;
 
             ERROR("Failed to read file '%s': %s\n", input_path, strerror(errno));
@@ -479,7 +479,7 @@ int pf_decrypt_file(const char* input_path, const char* output_path, bool verify
         ssize_t written = write(output, chunk, chunk_size);
 
         if (written < 0) {
-            if (errno == -EINTR)
+            if (errno == EINTR)
                 continue;
 
             ERROR("Failed to write file '%s': %s\n", output_path, strerror(errno));