Fix multiple memory leaks

hll/ACXLoader.c

@@ -41,8 +41,10 @@ hll_defun(Load, args)
 
 	if (!(fp = fopen(path, "rb"))) {
 		WARNING("ACXLoader.Load: Failed to open %s", path);
+		free(path);
 		hll_return(false);
 	}
+	free(path);
 
 	// get size of ACX file
 	fseek(fp, 0, SEEK_END);
@@ -67,6 +69,7 @@ hll_defun(Load, args)
 	unsigned long size = acx.size;
 	if (Z_OK != uncompress(acx.data_raw, &size, buf+16, len-16)) {
 		WARNING("ACXLoader.Load: uncompress failed");
+		free(buf);
 		hll_return(false);
 	}
 
@@ -74,6 +77,7 @@ hll_defun(Load, args)
 	acx.nr_lines = LittleEndian_getDW(acx.data_raw, 4 + acx.nr_columns * 4);
 	acx.data = acx.data_raw + (8 + acx.nr_columns * 4);
 
+	free(buf);
 	hll_return(true);
 }
 

hll/File.c

@@ -65,6 +65,8 @@ hll_defun(Close, args)
 	}
 	int r = !fclose(current_file);
 	current_file = NULL;
+	if (file_contents)
+		free(file_contents);
 	file_contents = NULL;
 	file_size = 0;
 	file_cursor = 0;
@@ -168,8 +170,10 @@ hll_defun(GetTime, args)
 
 	if (stat(path, &s) < 0) {
 		WARNING("stat failed: %s", strerror(errno));
+		free(path);
 		hll_return(0);
 	}
+	free(path);
 
 	struct tm *tm = localtime(&s.st_mtime);
 	if (!tm) {

text.c

@@ -333,6 +333,7 @@ void gfx_draw_text_to_amap(Texture *dst, int x, int y, char *text)
 	get_glyph(font->font, &glyph, conv, font_metrics.color);
 	render_glyph(dst, &glyph, pos);
 	gfx_delete_texture(&glyph);
+	free(conv);
 
 	glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
 }
@@ -354,6 +355,7 @@ void gfx_draw_text_to_pmap(Texture *dst, int x, int y, char *text)
 	get_glyph(font->font, &glyph, conv, font_metrics.color);
 	render_glyph(dst, &glyph, pos);
 	gfx_delete_texture(&glyph);
+	free(conv);
 
 	glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ZERO);
 }

video.c

@@ -79,6 +79,7 @@ static GLuint load_shader_file(const char *path, GLenum type)
 	glGetShaderiv(shader, GL_COMPILE_STATUS, &shader_compiled);
 	if (!shader_compiled)
 		ERROR("Failed to compile shader: %s", path);
+	free((char*)source);
 	return shader;
 }