Workaround for some STLs not parsing floats with a suffix

src/compiler/translator/glslang.l

@@ -504,7 +504,9 @@ int floatsuffix_check(TParseContext* context)
         return 0;
     }
 
-    if (!atof_clamp(yytext, &(yylval->lex.f)))
+    std::string text = yytext;
+    text.resize(text.size() - 1);
+    if (!strtof_clamp(text, &(yylval->lex.f)))
         yyextra->warning(*yylloc, "Float overflow", yytext, "");
 
     return(FLOATCONSTANT);
@@ -526,7 +528,7 @@ int int_constant(yyscan_t yyscanner) {
 int float_constant(yyscan_t yyscanner) {
     struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
 
-    if (!atof_clamp(yytext, &(yylval->lex.f)))
+    if (!strtof_clamp(yytext, &(yylval->lex.f)))
         yyextra->warning(*yylloc, "Float overflow", yytext, "");
     return FLOATCONSTANT;
 }

src/compiler/translator/glslang_lex.cpp

@@ -3339,7 +3339,9 @@ int floatsuffix_check(TParseContext* context)
         return 0;
     }
 
-    if (!atof_clamp(yytext, &(yylval->lex.f)))
+    std::string text = yytext;
+    text.resize(text.size() - 1);
+    if (!strtof_clamp(text, &(yylval->lex.f)))
         yyextra->warning(*yylloc, "Float overflow", yytext, "");
 
     return(FLOATCONSTANT);
@@ -3361,7 +3363,7 @@ int int_constant(yyscan_t yyscanner) {
 int float_constant(yyscan_t yyscanner) {
     struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
 
-    if (!atof_clamp(yytext, &(yylval->lex.f)))
+    if (!strtof_clamp(yytext, &(yylval->lex.f)))
         yyextra->warning(*yylloc, "Float overflow", yytext, "");
     return FLOATCONSTANT;
 }

src/compiler/translator/util.cpp

@@ -12,7 +12,7 @@
 #include "compiler/translator/SymbolTable.h"
 #include "common/utilities.h"
 
-bool atof_clamp(const char *str, float *value)
+bool strtof_clamp(const std::string &str, float *value)
 {
     bool success = pp::numeric_lex_float(str, value);
     if (!success)

src/compiler/translator/util.h

@@ -14,15 +14,15 @@
 
 #include "compiler/translator/Types.h"
 
-// atof_clamp is like atof but
+// strtof_clamp is like strtof but
 //   1. it forces C locale, i.e. forcing '.' as decimal point.
 //   2. it clamps the value to -FLT_MAX or FLT_MAX if overflow happens.
 // Return false if overflow happens.
-extern bool atof_clamp(const char *str, float *value);
+bool strtof_clamp(const std::string &str, float *value);
 
 // If overflow happens, clamp the value to INT_MIN or INT_MAX.
 // Return false if overflow happens.
-extern bool atoi_clamp(const char *str, int *value);
+bool atoi_clamp(const char *str, int *value);
 
 class TSymbolTable;