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-rw-r--r--libc-top-half/musl/src/time/getdate.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/time/getdate.c b/libc-top-half/musl/src/time/getdate.c
new file mode 100644
index 0000000..058c48b
--- /dev/null
+++ b/libc-top-half/musl/src/time/getdate.c
@@ -0,0 +1,52 @@
+#include <time.h>
+#if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT)
+#include <pthread.h>
+#endif
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int getdate_err;
+
+struct tm *getdate(const char *s)
+{
+ static struct tm tmbuf;
+ struct tm *ret = 0;
+ char *datemsk = getenv("DATEMSK");
+ FILE *f = 0;
+ char fmt[100], *p;
+ int cs;
+
+#if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT)
+ pthread_setcancelstate(PTHREAD_CANCEL_DEFERRED, &cs);
+#endif
+
+ if (!datemsk) {
+ getdate_err = 1;
+ goto out;
+ }
+
+ f = fopen(datemsk, "rbe");
+ if (!f) {
+ if (errno == ENOMEM) getdate_err = 6;
+ else getdate_err = 2;
+ goto out;
+ }
+
+ while (fgets(fmt, sizeof fmt, f)) {
+ p = strptime(s, fmt, &tmbuf);
+ if (p && !*p) {
+ ret = &tmbuf;
+ goto out;
+ }
+ }
+
+ if (ferror(f)) getdate_err = 5;
+ else getdate_err = 7;
+out:
+ if (f) fclose(f);
+#if defined(__wasilibc_unmodified_upstream) || defined(_REENTRANT)
+ pthread_setcancelstate(cs, 0);
+#endif
+ return ret;
+}