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eprintf on pattern that is longer than we can do

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closes  #5513
This commit is contained in:
Jeffrey Crowell 2016-08-16 15:42:15 +00:00
parent 1cab8b93b6
commit 57b357fb0a
1 changed files with 13 additions and 0 deletions
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13
libr/util/debruijn.c
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@ -63,6 +63,7 @@ static char* de_bruijn(const char* charset, int order, int maxlen) {
// to free the memory.
R_API char* r_debruijn_pattern(int size, int start, const char* charset) {
char *pat, *pat2;
ut64 len;
if (!charset)
charset = debruijn_charset;
if (start >= size) {
@ -71,6 +72,12 @@ R_API char* r_debruijn_pattern(int size, int start, const char* charset) {
pat = de_bruijn (charset, 3 /*subsequence length*/, size);
if (!pat) return NULL;
if (start == 0) {
len = strlen (pat);
if (size != len) {
eprintf ("warning: requested pattern of length %lld, "
"generated length %lld\n",
size, len);
}
return pat;
}
pat2 = calloc ((size - start) + 1, sizeof(char));
@ -81,6 +88,12 @@ R_API char* r_debruijn_pattern(int size, int start, const char* charset) {
strncpy (pat2, pat + start, size - start);
pat2[size-start] = 0;
free (pat);
len = strlen (pat2);
if (size != len) {
eprintf ("warning: requested pattern of length %lld, "
"generated length %lld\n",
size, len);
}
return pat2;
}