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author | Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp> | 2018-08-01 21:36:44 +0900 |
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committer | Jun-ichi Takimoto <takimoto-j@kba.biglobe.ne.jp> | 2018-08-01 21:36:44 +0900 |
commit | ad9f07e66fded8a44adba15d576960cef587f9d4 (patch) | |
tree | 365b51648af05a76a01e9539b6604294f5f38981 /Src/utils.c | |
parent | 96ea5e32b442ff2406f1d7268cccdd73baf313ea (diff) | |
download | zsh-ad9f07e66fded8a44adba15d576960cef587f9d4.tar.gz zsh-ad9f07e66fded8a44adba15d576960cef587f9d4.tar.xz zsh-ad9f07e66fded8a44adba15d576960cef587f9d4.zip |
43227: fix memory leaks in term{cap,info}.c
Diffstat (limited to 'Src/utils.c')
-rw-r--r-- | Src/utils.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Src/utils.c b/Src/utils.c index ee2ad207f..075d27241 100644 --- a/Src/utils.c +++ b/Src/utils.c @@ -375,6 +375,43 @@ zerrmsg(FILE *file, const char *fmt, va_list ap) fflush(file); } +/* + * Wrapper for setupterm() and del_curterm(). + * These are called from terminfo.c and termcap.c. + */ +static int term_count; /* reference count of cur_term */ + +/**/ +mod_export void +zsetupterm(void) +{ +#ifdef HAVE_SETUPTERM + int errret; + + DPUTS(term_count < 0 || (term_count > 0 && !cur_term), + "inconsistent term_count and/or cur_term"); + /* + * Just because we can't set up the terminal doesn't + * mean the modules hasn't booted---TERM may change, + * and it should be handled dynamically---so ignore errors here. + */ + if (term_count++ == 0) + (void)setupterm((char *)0, 1, &errret); +#endif +} + +/**/ +mod_export void +zdeleteterm(void) +{ +#ifdef HAVE_SETUPTERM + DPUTS(term_count < 1 || !cur_term, + "inconsistent term_count and/or cur_term"); + if (--term_count == 0) + del_curterm(cur_term); +#endif +} + /* Output a single character, for the termcap routines. * * This is used instead of putchar since it can be a macro. */ |