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dtinfo/DtSR: coverity CID 88552; memory corruption

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This commit is contained in:
Jon Trulson 2018-03-31 14:17:36 -06:00
parent 8862366f00
commit af58b6be10
3 changed files with 9 additions and 19 deletions
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2
cde/programs/dtinfo/dtinfo/src/UAS/DtSR/DtSR_SearchResultsEntry.C
View file

@ -333,7 +333,7 @@ DtSR_SearchResultsEntry::create_matches()
DtSrHitword* kwics = NULL; DtSrHitword* kwics = NULL;
long n_kwics = 0; long n_kwics = 0;
char* parseout = NULL; const char* parseout = NULL;
// hack! overwrite f_language, since austext's value is wrong // hack! overwrite f_language, since austext's value is wrong
// In future, the next lines should be removed. // In future, the next lines should be removed.

22
cde/programs/dtinfo/dtinfo/src/UAS/DtSR/TextParser.C
View file

@ -41,7 +41,7 @@ using namespace std;
#define True 1 #define True 1
#endif #endif
char * const char *
StringParser::brute_force(const char* text_in, int n_of_pats, StringParser::brute_force(const char* text_in, int n_of_pats,
const char* patterns, int sensitive) const char* patterns, int sensitive)
{ {
@ -238,18 +238,12 @@ StringParser::brute_force(const char* text_in, int n_of_pats,
if (caped_text) if (caped_text)
delete[] caped_text; delete[] caped_text;
string trunstr = text_run.str(); static string trunstr = text_run.str();
char* ret_text = (char *)trunstr.c_str();
if (ret_text == NULL) if (!trunstr.size())
return NULL; return NULL;
else if (*ret_text == '\0') {
delete[] ret_text;
return NULL;
}
else
return ret_text;
return trunstr.c_str();
} }
const char * const char *
@ -332,16 +326,12 @@ StringParser::project_textrun(const char* org_textrun)
const char * const char *
StringParser::hilite(const char* text, int n, const char* pats) StringParser::hilite(const char* text, int n, const char* pats)
{ {
char* textrun = brute_force(text, n, pats); const char* textrun = brute_force(text, n, pats);
if (textrun == NULL) if (textrun == NULL)
return NULL; return NULL;
delete[] textrun; return project_textrun(textrun);
const char* prjed_textrun = project_textrun(textrun);
return prjed_textrun;
} }

2
cde/programs/dtinfo/dtinfo/src/UAS/DtSR/TextParser.hh
View file

@ -12,7 +12,7 @@ public:
static const char * static const char *
hilite(const char* text, int n, const char* pats); hilite(const char* text, int n, const char* pats);
static char * static const char *
brute_force(const char* text, int, const char* pats, int sensitive = 0); brute_force(const char* text, int, const char* pats, int sensitive = 0);
static const char * static const char *