shithub: sox

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don't assume all files in PKGLIBDIR have prefix

--- a/src/soxio.c

+++ b/src/soxio.c

@@ -32,10 +32,10 @@

   const char *end = file + strlen(file);

   const char prefix[] = "libsox_fmt_";

   char fnname[MAX_NAME_LEN];

-  char *start = strstr(file, prefix) + sizeof(prefix) - 1;

+  char *start = strstr(file, prefix);

   (void)data;

-  if (start < end) {

+  if (start && (start += sizeof(prefix) - 1) < end) {

     int ret = snprintf(fnname, MAX_NAME_LEN, "sox_%.*s_format_fn", end - start, start);

     if (ret > 0 && ret < MAX_NAME_LEN) {

       sox_format_fns[sox_formats].fn = (sox_format_fn_t)lt_dlsym(lth, fnname);