9os

commit e00b157a98df92ea8aa8ada11f8ca9e17e399668
parent 23dd177eb3058f03c5e55d3f0ab0c3a82bfefeaf
Author: Dimitris Papastamos <dimitris.papastamos@arm.com>
Date:   Thu,  8 Nov 2018 23:04:25 +0000

[libc] Initialize ch to 0 in fgets()

Change-Id: I7529a938acd9a488f15e630e87e0999d56682f27
Signed-off-by: Dimitris Papastamos <dimitris.papastamos@arm.com>

Diffstat:
M
src/libc/stdio/fgets.c
 | 
8
++++----

1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/src/libc/stdio/fgets.c b/src/libc/stdio/fgets.c
@@ -4,11 +4,11 @@
 char *
 fgets(char *s, int n, FILE *fp)
 {
-	int ch;
-	char *t = s;
+	int ch = 0;
+	char *t;
 
-	while (--n > 0 && (ch = getc(fp)) != EOF) {
-		if ((*t++ = ch) == '\n')
+	for (t = s; --n > 0; ++t) {
+		if ((ch = getc(fp)) == EOF || (*t = ch) == '\n')
 			break;
 	}
 	if (ch == EOF && s == t)