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Fix memory leaks in some conditions. 

Reported by Klocwork #152.
This commit is contained in:
Neal Norwitz 2006-07-16 02:15:27 +00:00
parent 109f91414f
commit 5eaf772980
1 changed files with 11 additions and 9 deletions
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20
Modules/readline.c
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@ -20,6 +20,12 @@
#include <locale.h>
#endif
#ifdef SAVE_LOCALE
# define RESTORE_LOCALE(sl) { setlocale(LC_CTYPE, sl); free(sl); }
#else
# define RESTORE_LOCALE(sl)
#endif
/* GNU readline definitions */
#undef HAVE_CONFIG_H /* Else readline/chardefs.h includes strings.h */
#include <readline/readline.h>
@ -723,10 +729,7 @@ setup_readline(void)
*/
rl_initialize();
#ifdef SAVE_LOCALE
setlocale(LC_CTYPE, saved_locale); /* Restore locale */
free(saved_locale);
#endif
RESTORE_LOCALE(saved_locale)
}
/* Wrapper around GNU readline that handles signals differently. */
@ -864,7 +867,8 @@ call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
p = readline_until_enter_or_signal(prompt, &signal);
/* we got an interrupt signal */
if(signal) {
if (signal) {
RESTORE_LOCALE(saved_locale)
return NULL;
}
@ -873,6 +877,7 @@ call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
p = PyMem_Malloc(1);
if (p != NULL)
*p = '\0';
RESTORE_LOCALE(saved_locale)
return p;
}
@ -905,10 +910,7 @@ call_readline(FILE *sys_stdin, FILE *sys_stdout, char *prompt)
p[n+1] = '\0';
}
free(q);
#ifdef SAVE_LOCALE
setlocale(LC_CTYPE, saved_locale); /* Restore locale */
free(saved_locale);
#endif
RESTORE_LOCALE(saved_locale)
return p;
}