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Use fprintf for error message when loading external GC

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The error message is often long, so using a small buffer could cause it
to be truncated. rb_bug also has a 256 byte message buffer, so it could
also be truncated.
This commit is contained in:
Peter Zhu 2024-04-25 10:45:26 -04:00
parent 67b79d484f
commit 353cba4955
1 changed files with 3 additions and 2 deletions
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5
gc.c
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@ -1893,10 +1893,11 @@ ruby_external_gc_init()
char *gc_so_path = getenv("RUBY_GC_LIBRARY_PATH"); char *gc_so_path = getenv("RUBY_GC_LIBRARY_PATH");
void *handle = NULL; void *handle = NULL;
if (gc_so_path) { if (gc_so_path) {
char error[128]; char error[1024];
handle = dln_open(gc_so_path, error, sizeof(error)); handle = dln_open(gc_so_path, error, sizeof(error));
if (!handle) { if (!handle) {
rb_bug("ruby_external_gc_init: Shared library %s cannot be opened (%s)", gc_so_path, error); fprintf(stderr, "%s", error);
rb_bug("ruby_external_gc_init: Shared library %s cannot be opened", gc_so_path);
} }
} }