Adwaith-Rajesh/gperf
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Fix memory leaks.

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This commit is contained in:
Bruno Haible
2003-01-23 12:03:33 +00:00
parent 83440a2aed
commit a9916548fa
8 changed files with 141 additions and 60 deletions
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54
src/input.cc
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@@ -299,9 +299,19 @@ Input::read_input ()
if (struct_decl)
{
/* Drop leading whitespace. */
while (struct_decl[0] == '\n' || struct_decl[0] == ' '
|| struct_decl[0] == '\t')
struct_decl++;
{
char *p = struct_decl;
while (p[0] == '\n' || p[0] == ' ' || p[0] == '\t')
p++;
if (p != struct_decl)
{
size_t len = strlen (p);
char *new_struct_decl = new char[len + 1];
memcpy (new_struct_decl, p, len + 1);
delete[] struct_decl;
struct_decl = new_struct_decl;
}
}
/* Drop trailing whitespace. */
for (char *p = struct_decl + strlen (struct_decl); p > struct_decl;)
if (p[-1] == '\n' || p[-1] == ' ' || p[-1] == '\t')
@@ -315,20 +325,19 @@ Input::read_input ()
" for option --struct-type\n");
exit (1);
}
if (struct_decl)
{
/* Ensure trailing semicolon. */
size_t old_len = strlen (struct_decl);
if (struct_decl[old_len - 1] != ';')
{
char *new_struct_decl = new char[old_len + 2];
memcpy (new_struct_decl, struct_decl, old_len);
new_struct_decl[old_len] = ';';
new_struct_decl[old_len + 1] = '\0';
delete[] struct_decl;
struct_decl = new_struct_decl;
}
}
{
/* Ensure trailing semicolon. */
size_t old_len = strlen (struct_decl);
if (struct_decl[old_len - 1] != ';')
{
char *new_struct_decl = new char[old_len + 2];
memcpy (new_struct_decl, struct_decl, old_len);
new_struct_decl[old_len] = ';';
new_struct_decl[old_len + 1] = '\0';
delete[] struct_decl;
struct_decl = new_struct_decl;
}
}
/* Set _struct_decl to the entire declaration. */
_struct_decl = struct_decl;
/* Set _struct_tag to the naked "struct something". */
@@ -529,7 +538,7 @@ Input::read_input ()
rest = line_rest;
}
else
rest = "";
rest = empty_string;
}
else
{
@@ -541,7 +550,7 @@ Input::read_input ()
{
keyword = line;
keyword_length = lp - line;
rest = "";
rest = empty_string;
break;
}
if (strchr (delimiters, *lp) != NULL)
@@ -560,7 +569,7 @@ Input::read_input ()
rest = line_rest;
}
else
rest = "";
rest = empty_string;
break;
}
lp++;
@@ -588,9 +597,14 @@ Input::read_input ()
/* To be freed in the destructor. */
_input = input;
_input_end = input_end;
}
Input::~Input ()
{
/* Free allocated memory. */
delete[] _return_type;
delete[] _struct_tag;
delete[] _struct_decl;
delete[] _input;
}