From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 21 May 2022 03:08:35 +0000 (-0700)
Subject: common: cast stat size results, squashing -Wsign-conversion warnings
X-Git-Tag: 4.0.0~21^2~7
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=437b779d11e14bdd028aa3e0008031d3a2f4f40a;p=graphviz

common: cast stat size results, squashing -Wsign-conversion warnings

The `st_size` field coming out of the `stat` call is always non-negative.
---

diff --git a/lib/common/psusershape.c b/lib/common/psusershape.c
index a5cae11fa..abccefc74 100644
--- a/lib/common/psusershape.c
+++ b/lib/common/psusershape.c
@@ -74,9 +74,9 @@ static usershape_t *user_init(const char *str)
 	us->name = str;
 	us->macro_id = N_EPSF_files++;
 	fstat(fileno(fp), &statbuf);
-	contents = us->data = N_GNEW(statbuf.st_size + 1, char);
+	contents = us->data = N_GNEW((size_t)statbuf.st_size + 1, char);
 	fseek(fp, 0, SEEK_SET);
-	rc = fread(contents, statbuf.st_size, 1, fp);
+	rc = fread(contents, (size_t)statbuf.st_size, 1, fp);
 	if (rc == 1) {
             contents[statbuf.st_size] = '\0';
             dtinsert(EPSF_contents, us);