X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fstrv.c;h=b1643b357fbddf9f69eb09d4ae2c8cde67b7dd5d;hp=d1c7b2c32d89c31b121fc6ef1c0c719a9167c81c;hb=21bc923aa35d455cdef1607eb7022608c705c9f3;hpb=80758717a6359cbe6048f43a17c2b53a3ca8c2fa diff --git a/src/strv.c b/src/strv.c index d1c7b2c32..b1643b357 100644 --- a/src/strv.c +++ b/src/strv.c @@ -577,3 +577,45 @@ char **strv_env_clean(char **l) { return ret; } + +char **strv_parse_nulstr(const char *s, size_t l) { + const char *p; + unsigned c = 0, i = 0; + char **v; + + assert(s || l <= 0); + + if (l <= 0) + return strv_new(NULL, NULL); + + for (p = s; p < s + l; p++) + if (*p == 0) + c++; + + if (s[l-1] != 0) + c++; + + if (!(v = new0(char*, c+1))) + return NULL; + + p = s; + while (p < s + l) { + const char *e; + + e = memchr(p, 0, s + l - p); + + if (!(v[i++] = strndup(p, e ? e - p : s + l - p))) { + strv_free(v); + return NULL; + } + + if (!e) + break; + + p = e + 1; + } + + assert(i == c); + + return v; +}