From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 16 Apr 2012 05:55:37 +0000 (-0400)
Subject: fix broken shgetc limiter logic (wasn't working)
X-Git-Tag: v0.8.8~25
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=f007bb854b0b2d2d12cd45a8feb674fa9abe70b2;p=oweals%2Fmusl.git

fix broken shgetc limiter logic (wasn't working)
---

diff --git a/src/internal/shgetc.c b/src/internal/shgetc.c
index 82e3a4fa..e85d38ac 100644
--- a/src/internal/shgetc.c
+++ b/src/internal/shgetc.c
@@ -13,7 +13,10 @@ void __shlim(FILE *f, off_t lim)
 int __shgetc(FILE *f)
 {
 	int c;
-	if (f->shcnt >= f->shlim) return EOF;
+	if (f->shlim && f->shcnt >= f->shlim) {
+		f->shend = 0;
+		return EOF;
+	}
 	c = __uflow(f);
 	if (f->shlim && f->rend - f->rpos > f->shlim - f->shcnt - 1)
 		f->shend = f->rpos + (f->shlim - f->shcnt - 1);
diff --git a/src/internal/shgetc.h b/src/internal/shgetc.h
index 0543cb0d..7beb8ce6 100644
--- a/src/internal/shgetc.h
+++ b/src/internal/shgetc.h
@@ -6,4 +6,4 @@ int __shgetc(FILE *);
 #define shcnt(f) ((f)->shcnt + ((f)->rpos - (f)->rend))
 #define shlim(f, lim) __shlim((f), (lim))
 #define shgetc(f) (((f)->rpos < (f)->shend) ? *(f)->rpos++ : __shgetc(f))
-#define shunget(f) ((f)->rend ? (void)(f)->rpos-- : (void)0)
+#define shunget(f) ((f)->shend ? (void)(f)->rpos-- : (void)0)