Dynamically adjust the size of line reads

* Dynamically adjust the size of line reads.
* Remove some more uses of fgets with arbitrary sizes.
* Fix reading of lines and width of n column.

Fixes #514.

1 files changed, 7 insertions, 4 deletions

diff --git a/Settings.c b/Settings.c
index eaca7829..0e296c10 100644
--- a/Settings.c
+++ b/Settings.c
@@ -173,12 +173,15 @@ static bool Settings_read(Settings* this, const char* fileName) {
    if (!fd)
       return false;
    
-   const int maxLine = 2048;
-   char buffer[maxLine];
    bool readMeters = false;
-   while (fgets(buffer, maxLine, fd)) {
+   for (;;) {
+      char* line = String_readLine(fd);
+      if (!line) {
+         break;
+      }
       int nOptions;
-      char** option = String_split(buffer, '=', &nOptions);
+      char** option = String_split(line, '=', &nOptions);
+      free (line);
       if (nOptions < 2) {
          String_freeArray(option);
          continue;