Author: delphij Date: Mon Dec 12 02:14:42 2016 New Revision: 309867 URL: https://svnweb.freebsd.org/changeset/base/309867
Log: MFC r309238,309239: r309238: Plug a potential memory leak. r309239: style(9). Modified: stable/10/bin/kenv/kenv.c Directory Properties: stable/10/ (props changed) Modified: stable/10/bin/kenv/kenv.c ============================================================================== --- stable/10/bin/kenv/kenv.c Mon Dec 12 02:13:35 2016 (r309866) +++ stable/10/bin/kenv/kenv.c Mon Dec 12 02:14:42 2016 (r309867) @@ -63,7 +63,6 @@ main(int argc, char **argv) char *env, *eq, *val; int ch, error; - error = 0; val = NULL; env = NULL; while ((ch = getopt(argc, argv, "hNquv")) != -1) { @@ -128,7 +127,7 @@ main(int argc, char **argv) static int kdumpenv(void) { - char *buf, *cp; + char *buf, *bp, *cp; int buflen, envlen; envlen = kenv(KENV_DUMP, NULL, NULL, 0); @@ -136,10 +135,9 @@ kdumpenv(void) return (-1); for (;;) { buflen = envlen * 120 / 100; - buf = malloc(buflen + 1); + buf = calloc(1, buflen + 1); if (buf == NULL) return (-1); - memset(buf, 0, buflen + 1); /* Be defensive */ envlen = kenv(KENV_DUMP, NULL, buf, buflen); if (envlen < 0) { free(buf); @@ -151,21 +149,23 @@ kdumpenv(void) break; } - for (; *buf != '\0'; buf += strlen(buf) + 1) { + for (bp = buf; *bp != '\0'; bp += strlen(bp) + 1) { if (hflag) { - if (strncmp(buf, "hint.", 5) != 0) + if (strncmp(bp, "hint.", 5) != 0) continue; } - cp = strchr(buf, '='); + cp = strchr(bp, '='); if (cp == NULL) continue; *cp++ = '\0'; if (Nflag) - printf("%s\n", buf); + printf("%s\n", bp); else - printf("%s=\"%s\"\n", buf, cp); - buf = cp; + printf("%s=\"%s\"\n", bp, cp); + bp = cp; } + + free(buf); return (0); } @@ -190,7 +190,7 @@ ksetenv(const char *env, char *val) { int ret; - ret = kenv(KENV_SET, env, val, strlen(val)+1); + ret = kenv(KENV_SET, env, val, strlen(val) + 1); if (ret == 0) printf("%s=\"%s\"\n", env, val); return (ret); @@ -200,7 +200,7 @@ static int kunsetenv(const char *env) { int ret; - + ret = kenv(KENV_UNSET, env, NULL, 0); return (ret); } _______________________________________________ svn-src-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"