From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Wed, 24 Jul 2024 08:32:32 +0000 (+0200)
Subject: chore(c): drop warnings related to breaking strict-aliasing rules
X-Git-Tag: 3.2.2~9^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=57f4d2cf897887eecd3860a9bd36fe45498bc6c5;p=thirdparty%2Fpsycopg.git

chore(c): drop warnings related to breaking strict-aliasing rules
---

diff --git a/psycopg_c/psycopg_c/types/datetime.pyx b/psycopg_c/psycopg_c/types/datetime.pyx
index 2e1f1eee3..44b227eda 100644
--- a/psycopg_c/psycopg_c/types/datetime.pyx
+++ b/psycopg_c/psycopg_c/types/datetime.pyx
@@ -971,11 +971,11 @@ cdef class IntervalBinaryLoader(CLoader):
     format = PQ_BINARY
 
     cdef object cload(self, const char *data, size_t length):
-        cdef int32_t bedata[4]
+        cdef int64_t bedata[2]
         memcpy(&bedata, data, sizeof(bedata))
-        cdef int64_t val = endian.be64toh((<uint64_t *>bedata)[0])
-        cdef int32_t days = endian.be32toh(bedata[2])
-        cdef int32_t months = endian.be32toh(bedata[3])
+        cdef int64_t val = endian.be64toh(bedata[0])
+        cdef int32_t days = endian.be32toh((<uint32_t *>bedata)[2])
+        cdef int32_t months = endian.be32toh((<uint32_t *>bedata)[3])
 
         cdef int years
         with cython.cdivision(True):
diff --git a/psycopg_c/psycopg_c/types/numeric.pyx b/psycopg_c/psycopg_c/types/numeric.pyx
index 5f93a108c..ff4dacec2 100644
--- a/psycopg_c/psycopg_c/types/numeric.pyx
+++ b/psycopg_c/psycopg_c/types/numeric.pyx
@@ -346,7 +346,9 @@ cdef class FloatBinaryDumper(CDumper):
 
     cdef Py_ssize_t cdump(self, obj, bytearray rv, Py_ssize_t offset) except -1:
         cdef double d = PyFloat_AsDouble(obj)
-        cdef uint64_t beval = endian.htobe64((<uint64_t *>&d)[0])
+        cdef uint64_t ival
+        memcpy(&ival, &d, sizeof(ival))
+        cdef uint64_t beval = endian.htobe64(ival)
         cdef uint64_t *buf = <uint64_t *>CDumper.ensure_size(
             rv, offset, sizeof(beval))
         memcpy(buf, &beval, sizeof(beval))
@@ -361,7 +363,9 @@ cdef class Float4BinaryDumper(CDumper):
 
     cdef Py_ssize_t cdump(self, obj, bytearray rv, Py_ssize_t offset) except -1:
         cdef float f = <float>PyFloat_AsDouble(obj)
-        cdef uint32_t beval = endian.htobe32((<uint32_t *>&f)[0])
+        cdef uint32_t ival
+        memcpy(&ival, &f, sizeof(ival))
+        cdef uint32_t beval = endian.htobe32(ival)
         cdef uint32_t *buf = <uint32_t *>CDumper.ensure_size(
             rv, offset, sizeof(beval))
         memcpy(buf, &beval, sizeof(beval))