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Fix sscanf_s seg fault on windows. Fixes #41

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Syoyo Fujita
2015-06-09 23:49:52 +09:00
parent a2851fdf17
commit 1adfc794ae
1 changed files with 23 additions and 20 deletions
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43
tiny_obj_loader.cc
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@@ -5,19 +5,20 @@
//
//
// version 0.9.9: Replace atof() with custom parser.
// version 0.9.8: Fix multi-materials(per-face material ID).
// version 0.9.7: Support multi-materials(per-face material ID) per
// version 0.9.10: Fix seg fault on windows.
// version 0.9.9 : Replace atof() with custom parser.
// version 0.9.8 : Fix multi-materials(per-face material ID).
// version 0.9.7 : Support multi-materials(per-face material ID) per
// object/group.
// version 0.9.6: Support Ni(index of refraction) mtl parameter.
// Parse transmittance material parameter correctly.
// version 0.9.5: Parse multiple group name.
// Add support of specifying the base path to load material file.
// version 0.9.4: Initial suupport of group tag(g)
// version 0.9.3: Fix parsing triple 'x/y/z'
// version 0.9.2: Add more .mtl load support
// version 0.9.1: Add initial .mtl load support
// version 0.9.0: Initial
// version 0.9.6 : Support Ni(index of refraction) mtl parameter.
// Parse transmittance material parameter correctly.
// version 0.9.5 : Parse multiple group name.
// Add support of specifying the base path to load material file.
// version 0.9.4 : Initial suupport of group tag(g)
// version 0.9.3 : Fix parsing triple 'x/y/z'
// version 0.9.2 : Add more .mtl load support
// version 0.9.1 : Add initial .mtl load support
// version 0.9.0 : Initial
//
#include <cstdlib>
@@ -36,6 +37,8 @@
namespace tinyobj {
#define TINYOBJ_SSCANF_BUFFER_SIZE (4096)
struct vertex_index {
int v_idx, vt_idx, vn_idx;
vertex_index(){};
@@ -457,10 +460,10 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
InitMaterial(material);
// set new mtl name
char namebuf[4096];
char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
sscanf_s(token, "%s", namebuf, _countof(namebuf));
#else
sscanf(token, "%s", namebuf);
#endif
@@ -748,10 +751,10 @@ std::string LoadObj(std::vector<shape_t> &shapes,
// use mtl
if ((0 == strncmp(token, "usemtl", 6)) && isSpace((token[6]))) {
char namebuf[4096];
char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
sscanf_s(token, "%s", namebuf, _countof(namebuf));
#else
sscanf(token, "%s", namebuf);
#endif
@@ -775,10 +778,10 @@ std::string LoadObj(std::vector<shape_t> &shapes,
// load mtl
if ((0 == strncmp(token, "mtllib", 6)) && isSpace((token[6]))) {
char namebuf[4096];
char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
sscanf_s(token, "%s", namebuf, _countof(namebuf));
#else
sscanf(token, "%s", namebuf);
#endif
@@ -841,10 +844,10 @@ std::string LoadObj(std::vector<shape_t> &shapes,
shape = shape_t();
// @todo { multiple object name? }
char namebuf[4096];
char namebuf[TINYOBJ_SSCANF_BUFFER_SIZE];
token += 2;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
sscanf_s(token, "%s", namebuf, _countof(namebuf));
#else
sscanf(token, "%s", namebuf);
#endif