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Fix compile warnings under VS 2013 /W4 warning level

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This commit is contained in:
Alexander Bock
2015-05-23 22:13:00 +02:00
parent 7a3e607898
commit 49e82e2e00
1 changed files with 23 additions and 7 deletions
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30
tiny_obj_loader.cc
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@@ -76,7 +76,7 @@ static inline int fixIndex(int idx, int n) {
static inline std::string parseString(const char *&token) { static inline std::string parseString(const char *&token) {
std::string s; std::string s;
token += strspn(token, " \t"); token += strspn(token, " \t");
int e = strcspn(token, " \t\r"); size_t e = strcspn(token, " \t\r");
s = std::string(token, &token[e]); s = std::string(token, &token[e]);
token += e; token += e;
return s; return s;
@@ -325,7 +325,7 @@ updateVertex(std::map<vertex_index, unsigned int> &vertexCache,
texcoords.push_back(in_texcoords[2 * i.vt_idx + 1]); texcoords.push_back(in_texcoords[2 * i.vt_idx + 1]);
} }
unsigned int idx = positions.size() / 3 - 1; unsigned int idx = static_cast<unsigned int>(positions.size() / 3 - 1);
vertexCache[i] = idx; vertexCache[i] = idx;
return idx; return idx;
@@ -448,7 +448,7 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
// flush previous material. // flush previous material.
if (!material.name.empty()) { if (!material.name.empty()) {
material_map.insert( material_map.insert(
std::pair<std::string, int>(material.name, materials.size())); std::pair<std::string, int>(material.name, static_cast<int>(materials.size())));
materials.push_back(material); materials.push_back(material);
} }
@@ -458,7 +458,11 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
// set new mtl name // set new mtl name
char namebuf[4096]; char namebuf[4096];
token += 7; token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
#else
sscanf(token, "%s", namebuf); sscanf(token, "%s", namebuf);
#endif
material.name = namebuf; material.name = namebuf;
continue; continue;
} }
@@ -585,7 +589,7 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
_space = strchr(token, '\t'); _space = strchr(token, '\t');
} }
if (_space) { if (_space) {
int len = _space - token; ptrdiff_t len = _space - token;
std::string key(token, len); std::string key(token, len);
std::string value = _space + 1; std::string value = _space + 1;
material.unknown_parameter.insert( material.unknown_parameter.insert(
@@ -594,7 +598,7 @@ std::string LoadMtl(std::map<std::string, int> &material_map,
} }
// flush last material. // flush last material.
material_map.insert( material_map.insert(
std::pair<std::string, int>(material.name, materials.size())); std::pair<std::string, int>(material.name, static_cast<int>(materials.size())));
materials.push_back(material); materials.push_back(material);
return err.str(); return err.str();
@@ -729,9 +733,9 @@ std::string LoadObj(std::vector<shape_t> &shapes,
std::vector<vertex_index> face; std::vector<vertex_index> face;
while (!isNewLine(token[0])) { while (!isNewLine(token[0])) {
vertex_index vi = vertex_index vi =
parseTriple(token, v.size() / 3, vn.size() / 3, vt.size() / 2); parseTriple(token, static_cast<int>(v.size() / 3), static_cast<int>(vn.size() / 3), static_cast<int>(vt.size() / 2));
face.push_back(vi); face.push_back(vi);
int n = strspn(token, " \t\r"); size_t n = strspn(token, " \t\r");
token += n; token += n;
} }
@@ -745,7 +749,11 @@ std::string LoadObj(std::vector<shape_t> &shapes,
char namebuf[4096]; char namebuf[4096];
token += 7; token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
#else
sscanf(token, "%s", namebuf); sscanf(token, "%s", namebuf);
#endif
// Create face group per material. // Create face group per material.
bool ret = exportFaceGroupToShape(shape, vertexCache, v, vn, vt, bool ret = exportFaceGroupToShape(shape, vertexCache, v, vn, vt,
@@ -768,7 +776,11 @@ std::string LoadObj(std::vector<shape_t> &shapes,
if ((0 == strncmp(token, "mtllib", 6)) && isSpace((token[6]))) { if ((0 == strncmp(token, "mtllib", 6)) && isSpace((token[6]))) {
char namebuf[4096]; char namebuf[4096];
token += 7; token += 7;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
#else
sscanf(token, "%s", namebuf); sscanf(token, "%s", namebuf);
#endif
std::string err_mtl = readMatFn(namebuf, materials, material_map); std::string err_mtl = readMatFn(namebuf, materials, material_map);
if (!err_mtl.empty()) { if (!err_mtl.empty()) {
@@ -830,7 +842,11 @@ std::string LoadObj(std::vector<shape_t> &shapes,
// @todo { multiple object name? } // @todo { multiple object name? }
char namebuf[4096]; char namebuf[4096];
token += 2; token += 2;
#ifdef _MSC_VER
sscanf_s(token, "%s", namebuf);
#else
sscanf(token, "%s", namebuf); sscanf(token, "%s", namebuf);
#endif
name = std::string(namebuf); name = std::string(namebuf);
continue; continue;