fix: Attempt to fix the compilation issue of plc4c on windows.

chrisdutz · chrisdutz · commit e79362eff9f1 · 2025-09-18T18:50:46.000+02:00
diff --git a/plc4c/spi/src/read_buffer.c b/plc4c/spi/src/read_buffer.c
@@ -328,7 +328,11 @@ plc4c_return_code plc4c_spi_read_bit(plc4c_spi_read_buffer* buf, bool* value) {
 }
 
 plc4c_return_code plc4c_spi_read_char(plc4c_spi_read_buffer* buf, char* value) {
-    return plc4c_spi_read_signed_int(buf, 8, (int8_t*) value);
+  int32_t tmp;
+  plc4c_return_code rc = plc4c_spi_read_signed_int(buf, 8, &tmp);
+  if(rc != OK) return rc;
+  *value = (char) tmp;
+  return OK;
 }
 
 // Unsigned Integers ...

Original file line number	Diff line number	Diff line change
`@@ -328,7 +328,11 @@ plc4c_return_code plc4c_spi_read_bit(plc4c_spi_read_buffer* buf, bool* value) {`
`328`	`328`	`}`
`329`	`329`
`330`	`330`	`plc4c_return_code plc4c_spi_read_char(plc4c_spi_read_buffer* buf, char* value) {`
`331`		`- return plc4c_spi_read_signed_int(buf, 8, (int8_t*) value);`
	`331`	`+ int32_t tmp;`
	`332`	`+ plc4c_return_code rc = plc4c_spi_read_signed_int(buf, 8, &tmp);`
	`333`	`+ if(rc != OK) return rc;`
	`334`	`+ *value = (char) tmp;`
	`335`	`+ return OK;`
`332`	`336`	`}`
`333`	`337`
`334`	`338`	`// Unsigned Integers ...`