diff options
Diffstat (limited to 'coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c')
-rw-r--r-- | coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c b/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c new file mode 100644 index 0000000..76aa92d --- /dev/null +++ b/coreutils-5.3.0-bin/contrib/sed/4.2.1/sed-4.2.1/sed-4.2.1-src/testsuite/bug-regex15.c @@ -0,0 +1,53 @@ +/* Test for memory/CPU leak in regcomp. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <sys/types.h> +#include <sys/time.h> +#ifdef HAVE_SYS_RESOURCE_H +#include <sys/resource.h> +#endif +#include <regex.h> +#include <stdio.h> +#include <stdlib.h> + +#define TEST_DATA_LIMIT (32 << 20) + +int +main () +{ +#ifdef RLIMIT_DATA + regex_t re; + int reerr; + + /* Try to avoid eating all memory if a test leaks. */ + struct rlimit data_limit; + if (getrlimit (RLIMIT_DATA, &data_limit) == 0) + { + if ((rlim_t) TEST_DATA_LIMIT > data_limit.rlim_max) + data_limit.rlim_cur = data_limit.rlim_max; + else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT) + data_limit.rlim_cur = (rlim_t) TEST_DATA_LIMIT; + if (setrlimit (RLIMIT_DATA, &data_limit) < 0) + perror ("setrlimit: RLIMIT_DATA"); + } + else + perror ("getrlimit: RLIMIT_DATA"); + + reerr = regcomp (&re, "^6?3?[25]?5?[14]*[25]*[69]*+[58]*87?4?$", + REG_EXTENDED | REG_NOSUB); + if (reerr != 0) + { + char buf[100]; + regerror (reerr, &re, buf, sizeof buf); + printf ("regerror %s\n", buf); + return 1; + } + + return 0; +#else + return 77; +#endif +} |