aboutsummaryrefslogtreecommitdiffstats
path: root/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch
diff options
context:
space:
mode:
Diffstat (limited to 'main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch')
-rw-r--r--main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch b/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch
new file mode 100644
index 0000000000..6da625dd76
--- /dev/null
+++ b/main/musl/0022-fix-gratuitous-undefined-behavior-in-strptime.patch
@@ -0,0 +1,34 @@
+From f33b17585058381491e6fda08f491b8e48c7980c Mon Sep 17 00:00:00 2001
+From: Rich Felker <dalias@aerifal.cx>
+Date: Thu, 20 Oct 2016 13:22:20 -0400
+Subject: [PATCH 22/25] fix gratuitous undefined behavior in strptime
+
+accessing an object of type const char *restrict as if it had type
+char * is not defined.
+---
+ src/time/strptime.c | 9 +++++++--
+ 1 file changed, 7 insertions(+), 2 deletions(-)
+
+diff --git a/src/time/strptime.c b/src/time/strptime.c
+index f41f55f..55c7ed1 100644
+--- a/src/time/strptime.c
++++ b/src/time/strptime.c
+@@ -22,8 +22,13 @@ char *strptime(const char *restrict s, const char *restrict f, struct tm *restri
+ }
+ f++;
+ if (*f == '+') f++;
+- if (isdigit(*f)) w=strtoul(f, (void *)&f, 10);
+- else w=-1;
++ if (isdigit(*f)) {
++ char *new_f;
++ w=strtoul(f, &new_f, 10);
++ f = new_f;
++ } else {
++ w=-1;
++ }
+ adj=0;
+ switch (*f++) {
+ case 'a': case 'A':
+--
+2.10.1
+