Check malloc return for NULL.

diff --git a/anacron/matchrx.c b/anacron/matchrx.c
index 905694e0c0647ae2409cbeafb44c38ae035d023b..17bec9336b2781b9d3e66bcf8bd8d8f7567520fe 100644 (file)
--- a/anacron/matchrx.c
+++ b/anacron/matchrx.c
@@ -48,16 +48,18 @@ match_rx(const char *rx, char *string, int n_sub,  /* char **substrings */...)
        char **substring;
        regmatch_t *sub_offsets;
        sub_offsets = malloc(sizeof(regmatch_t) * (n_sub + 1));
+       if (sub_offsets == NULL)
+           return -1;
        memset(sub_offsets, 0, sizeof(regmatch_t) * (n_sub + 1));
 
        if (regcomp(&crx, rx, REG_EXTENDED)) {
            free(sub_offsets);
-           return - 1;
+           return -1;
        }
        r = regexec(&crx, string, n_sub + 1, sub_offsets, 0);
        if (r != 0 && r != REG_NOMATCH) {
           free(sub_offsets);
-          return - 1;
+          return -1;
        }
        regfree(&crx);
        if (r == REG_NOMATCH) {