X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdeck_id%7D%7D/cards/%7B%7Bcard_id%7D%7D/static/git-logo.png?a=blobdiff_plain;f=src%2Fmisc.c;h=8d38d59c383297ef3be00af1f3f67ce562d5e01c;hb=0f12557b88c73f8629ffafc38dc59ab5bd15e687;hp=683346f84efd974538a501f904b18f1d909e5ae7;hpb=e4f2a14c7385d99d49cf831cd3fd92234caf71b5;p=plomrogue

diff --git a/src/misc.c b/src/misc.c
index 683346f..8d38d59 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -10,6 +10,26 @@
 #include "main.h"
 #include "yx_uint16.h"
 
+extern void textfile_sizes (FILE * file, uint16_t * linemax_p, uint16_t * n_lines_p) {
+// Learn largest line length (linemax_p) and (n_lines_p if not set to NULL) number of lines.
+  uint16_t n_lines = 0;
+  int c = 0;
+  uint16_t linemax = 0;
+  uint16_t c_count = 0;
+  while (EOF != c) {
+    c_count++;
+    c = getc(file);
+    if ('\n' == c) {
+      if (c_count > linemax)
+        linemax = c_count + 1;
+      c_count = 0;
+      if (n_lines_p)
+        n_lines++; } }
+  fseek(file, 0, SEEK_SET);
+  * linemax_p = linemax;
+  if (n_lines_p)
+    * n_lines_p = n_lines; }
+
 extern uint16_t rrand(char use_seed, uint32_t new_seed) {
 // Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
   static uint32_t seed;