From 3ae1aa8b49764d6b78cef03253cb2f90ad29fb61 Mon Sep 17 00:00:00 2001 From: msnyder Date: Tue, 3 Jul 2007 01:01:12 +0000 Subject: [PATCH] 2007-07-02 Michael Snyder * p-exp.y (yylex): Memory leak, 'uptokstart' must be freed (Coverity). --- gdb/ChangeLog | 4 ++++ gdb/p-exp.y | 38 ++++++++++++++++++++++++++++++++------ 2 files changed, 36 insertions(+), 6 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index e1f7e3efdb..30a1652a71 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2007-07-02 Michael Snyder + + * p-exp.y (yylex): Memory leak, 'uptokstart' must be freed (Coverity). + 2007-07-02 Daniel Jacobowitz * Makefile.in (XMLFILES): Add library-list.dtd. diff --git a/gdb/p-exp.y b/gdb/p-exp.y index 683444132c..92f93ff092 100644 --- a/gdb/p-exp.y +++ b/gdb/p-exp.y @@ -1342,6 +1342,7 @@ yylex () removed from the input stream. */ if (namelen == 2 && uptokstart[0] == 'I' && uptokstart[1] == 'F') { + free (uptokstart); return 0; } @@ -1354,18 +1355,31 @@ yylex () { case 6: if (DEPRECATED_STREQ (uptokstart, "OBJECT")) - return CLASS; + { + free (uptokstart); + return CLASS; + } if (DEPRECATED_STREQ (uptokstart, "RECORD")) - return STRUCT; + { + free (uptokstart); + return STRUCT; + } if (DEPRECATED_STREQ (uptokstart, "SIZEOF")) - return SIZEOF; + { + free (uptokstart); + return SIZEOF; + } break; case 5: if (DEPRECATED_STREQ (uptokstart, "CLASS")) - return CLASS; + { + free (uptokstart); + return CLASS; + } if (DEPRECATED_STREQ (uptokstart, "FALSE")) { yylval.lval = 0; + free (uptokstart); return FALSEKEYWORD; } break; @@ -1373,6 +1387,7 @@ yylex () if (DEPRECATED_STREQ (uptokstart, "TRUE")) { yylval.lval = 1; + free (uptokstart); return TRUEKEYWORD; } if (DEPRECATED_STREQ (uptokstart, "SELF")) @@ -1384,7 +1399,10 @@ yylex () if (lookup_symbol (this_name, expression_context_block, VAR_DOMAIN, (int *) NULL, (struct symtab **) NULL)) - return THIS; + { + free (uptokstart); + return THIS; + } } break; default: @@ -1401,6 +1419,7 @@ yylex () so in expression to enter hexadecimal values we still need to use C syntax with 0xff */ write_dollar_variable (yylval.sval); + free (uptokstart); return VARIABLE; } @@ -1493,6 +1512,7 @@ yylex () strncpy (tempbuf, tokstart, namelen); tempbuf [namelen] = 0; yylval.sval.ptr = tempbuf; yylval.sval.length = namelen; + free (uptokstart); return FIELDNAME; } /* Call lookup_symtab, not lookup_partial_symtab, in case there are @@ -1503,6 +1523,7 @@ yylex () { yylval.ssym.sym = sym; yylval.ssym.is_a_field_of_this = is_a_field_of_this; + free (uptokstart); return BLOCKNAME; } if (sym && SYMBOL_CLASS (sym) == LOC_TYPEDEF) @@ -1593,13 +1614,17 @@ yylex () #else /* not 0 */ yylval.tsym.type = SYMBOL_TYPE (sym); #endif /* not 0 */ + free (uptokstart); return TYPENAME; } yylval.tsym.type = language_lookup_primitive_type_by_name (current_language, current_gdbarch, tmp); if (yylval.tsym.type != NULL) - return TYPENAME; + { + free (uptokstart); + return TYPENAME; + } /* Input names that aren't symbols but ARE valid hex numbers, when the input radix permits them, can be names or numbers @@ -1614,6 +1639,7 @@ yylex () { yylval.ssym.sym = sym; yylval.ssym.is_a_field_of_this = is_a_field_of_this; + free (uptokstart); return NAME_OR_INT; } } -- 2.11.0