grijp: minder strtok(3)

1 files changed, 10 insertions, 4 deletions

diff --git a/src/grijp.c b/src/grijp.c
index add2806..a616959 100644
--- a/src/grijp.c
+++ b/src/grijp.c
@@ -96,16 +96,22 @@ static void parse_patterns() {
   patterns = calloc(cappat, sizeof(char*));
 
   char *s = gpats;
-  char *pat = NULL;
-  while ((pat = strtok(s, "\n")) != NULL) {
-    s = NULL;
+  size_t cursor = 0;
+  while (true) {
+    const size_t lfidx = strchrnul(s + cursor, '\n') - s;
+    const bool last = s[lfidx] == '\0';
+    s[lfidx] = '\0';
 
     if (npat == cappat) {
       cappat *= 2;
       patterns = realloc(patterns, sizeof(char*)*cappat);
     }
-    patterns[npat] = strdup(pat);
+    patterns[npat] = strdup(s + cursor);
     npat++;
+
+    cursor = lfidx + 1;
+
+    if (last) break;
   }
 }