all repos — mgba @ 3cd0b50bcef89c3aa81d0ef4ad536d52ef5cc138

mGBA Game Boy Advance Emulator

Add phony strndup implementation for when we do not have one
Jeffrey Pfau jeffrey@endrift.com
Tue, 30 Sep 2014 22:05:07 -0700
commit

3cd0b50bcef89c3aa81d0ef4ad536d52ef5cc138

parent

38762449ad0d38989f674ca3b7076e5c67080088

1 files changed, 15 insertions(+), 3 deletions(-)

jump to
M src/debugger/parser.c → src/debugger/parser.c 
@@ -1,5 +1,17 @@
 #include "parser.h"
 
+static inline char* _strndup(const char* start, size_t len) {
+#ifdef HAVE_STRNDUP
+	return strndup(start, len);
+#else
+	// This is suboptimal, but anything recent should have strndup
+	char* out = malloc((len + 1) * sizeof(char));
+	strncpy(out, start, len);
+	out[len] = '\0';
+	return out;
+#endif
+}
+
 static struct LexVector* _lexOperator(struct LexVector* lv, char operator) {
 	struct LexVector* lvNext = malloc(sizeof(struct LexVector));
 	lvNext->token.type = TOKEN_OPERATOR_TYPE;

@@ -95,13 +107,13 @@ case '-':
 			case '*':
 			case '/':
 				lv->token.type = TOKEN_IDENTIFIER_TYPE;
-				lv->token.identifierValue = strndup(tokenStart, string - tokenStart - 1);
+				lv->token.identifierValue = _strndup(tokenStart, string - tokenStart - 1);
 				lv = _lexOperator(lv, token);
 				state = LEX_ROOT;
 				break;
 			case ')':
 				lv->token.type = TOKEN_IDENTIFIER_TYPE;
-				lv->token.identifierValue = strndup(tokenStart, string - tokenStart - 1);
+				lv->token.identifierValue = _strndup(tokenStart, string - tokenStart - 1);
 				state = LEX_EXPECT_OPERATOR;
 				break;
 			default:

@@ -240,7 +252,7 @@ lv->token.uintValue = next;
 		break;
 	case LEX_EXPECT_IDENTIFIER:
 		lv->token.type = TOKEN_IDENTIFIER_TYPE;
-		lv->token.identifierValue = strndup(tokenStart, string - tokenStart);
+		lv->token.identifierValue = _strndup(tokenStart, string - tokenStart);
 		break;
 	case LEX_EXPECT_OPERATOR:
 		lvNext = malloc(sizeof(struct LexVector));