examples-code-check.c: Report on missing defined function return types

man/examples-code-check.c

@@ -236,13 +236,15 @@ decode_synopsis_definition(FILE *fpheader, const char *buffer, int in_synopsis)
  int is_number_func = 0;
  int is_inline_func = 0;
  int is_struct_func = 0;
+ int is_ptr = 0;
  const char *func_start = NULL;
  int is_struct = 0;
  unsigned int i;
 
  if (strncmp(buffer, "*void ", sizeof("*void ")-1) == 0) {
  if (strncmp(buffer, "*void *", sizeof("*void *")-1) == 0) {
  func_start = &buffer[sizeof("*void *")-1];
+ is_ptr = 1;
  } else {
  is_void_func = 1;
  func_start = &buffer[sizeof("*void ")-1];
@@ -254,6 +256,7 @@ decode_synopsis_definition(FILE *fpheader, const char *buffer, int in_synopsis)
  strlen(number_list[i])) == 0) {
  if (buffer[1 + strlen(number_list[i])] == '*') {
  func_start = &buffer[2 + strlen(number_list[i])];
+ is_ptr = 1;
  } else {
  is_number_func = 1;
  func_start = &buffer[1 + strlen(number_list[i])];
@@ -267,6 +270,7 @@ decode_synopsis_definition(FILE *fpheader, const char *buffer, int in_synopsis)
  strlen(pointer_list[i])) == 0) {
  if (buffer[1 + strlen(pointer_list[i])] == '*') {
  func_start = &buffer[2 + strlen(pointer_list[i])];
+ is_ptr = 1;
  } else {
  is_struct_func = i + 1;
  func_start = &buffer[1 + strlen(pointer_list[i])];
@@ -330,6 +334,19 @@ decode_synopsis_definition(FILE *fpheader, const char *buffer, int in_synopsis)
  len = strlen(outbuf);
  if (len > 3 && ((outbuf[len-3] == ';' && outbuf[len-2] == '*') ||
  (outbuf[len-3] == '*' && outbuf[len-2] == ';'))) {
+ if (!is_inline_func && !is_void_func && !is_number_func && !is_struct_func && !is_struct &&
+ !is_ptr) {
+ char *lcp = strchr(buffer, ' ');
+
+ if (lcp)
+ *lcp = '\000';
+ fprintf(stderr,
+ "man/examples-code-check.c: Function return type '%s' undefined in ptr_list[] or number_list[]\n",
+ &buffer[1]);
+ if (lcp)
+ *lcp = ' ';
+ exit_code = 1;
+ }
  if (is_inline_func) {
  strcpy(&outbuf[len-3], ";\n");
  }