X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fstrv.c;h=607c221ae66790b86311bdc36625039e2f401c20;hp=3e7778d61ca663eab8c2f23f9d024ef14ffa842c;hb=0461f8cdc1d7b4afee2f2ff40fcaa3c7e26c662c;hpb=e21fea24ae2a7a04f6d5c9d2bbbaf5833d248952 diff --git a/src/shared/strv.c b/src/shared/strv.c index 3e7778d61..607c221ae 100644 --- a/src/shared/strv.c +++ b/src/shared/strv.c @@ -356,6 +356,43 @@ char *strv_join(char **l, const char *separator) { return r; } +char *strv_join_quoted(char **l) { + char *buf = NULL; + char **s; + size_t allocated = 0, len = 0; + + STRV_FOREACH(s, l) { + /* assuming here that escaped string cannot be more + * than twice as long, and reserving space for the + * separator and quotes. + */ + _cleanup_free_ char *esc = NULL; + size_t needed; + + if (!GREEDY_REALLOC(buf, allocated, + len + strlen(*s) * 2 + 3)) + goto oom; + + esc = cescape(*s); + if (!esc) + goto oom; + + needed = snprintf(buf + len, allocated - len, "%s\"%s\"", + len > 0 ? " " : "", esc); + assert(needed < allocated - len); + len += needed; + } + + if (!buf) + buf = malloc0(1); + + return buf; + + oom: + free(buf); + return NULL; +} + char **strv_append(char **l, const char *s) { char **r, **k; @@ -387,21 +424,6 @@ fail: return NULL; } -char **strv_appendf(char **l, const char *format, ...) { - va_list ap; - _cleanup_free_ char *s = NULL; - int r; - - va_start(ap, format); - r = vasprintf(&s, format, ap); - va_end(ap); - - if (r < 0) - return NULL; - - return strv_append(l, s); -} - int strv_push(char ***l, char *value) { char **c; unsigned n; @@ -509,7 +531,7 @@ char **strv_parse_nulstr(const char *s, size_t l) { assert(s || l <= 0); if (l <= 0) - return strv_new(NULL, NULL); + return new0(char*, 1); for (p = s; p < s + l; p++) if (*p == 0)