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authorErik Andersen <andersen@codepoet.org>2000-05-14 04:16:35 +0000
committerErik Andersen <andersen@codepoet.org>2000-05-14 04:16:35 +0000
commit64bc6412188b141c010ac3b8e813b837dd991e80 (patch)
treeffa12b79ea4b13191754f54b872eb1a4f9e3a04b /libc/misc/time/asc_conv.c
Initial revision
Diffstat (limited to 'libc/misc/time/asc_conv.c')
-rw-r--r--libc/misc/time/asc_conv.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/libc/misc/time/asc_conv.c b/libc/misc/time/asc_conv.c
new file mode 100644
index 000000000..78cbcdd8d
--- /dev/null
+++ b/libc/misc/time/asc_conv.c
@@ -0,0 +1,49 @@
+
+#include <time.h>
+#include <string.h>
+/*
+ * Internal ascii conversion routine, avoid use of printf, it's a bit big!
+ */
+
+
+static void
+hit(buf, val)
+char * buf;
+int val;
+{
+ *buf = '0' + val%10;
+}
+
+void
+__asctime(buffer, ptm)
+register char * buffer;
+struct tm * ptm;
+{
+static char days[] = "SunMonTueWedThuFriSat";
+static char mons[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
+ int year;
+
+ /* 012345678901234567890123456 */
+ strcpy(buffer, "Err Err .. ..:..:.. ....\n");
+ if( (ptm->tm_wday >= 0) && (ptm->tm_wday <= 6) )
+ memcpy(buffer, days+3*(ptm->tm_wday), 3);
+
+ if( (ptm->tm_mon >= 0) && (ptm->tm_mon <= 11) )
+ memcpy(buffer+4, mons+3*(ptm->tm_mon), 3);
+
+
+ hit(buffer+ 8, ptm->tm_mday/10);
+ hit(buffer+ 9, ptm->tm_mday );
+ hit(buffer+11, ptm->tm_hour/10);
+ hit(buffer+12, ptm->tm_hour );
+ hit(buffer+14, ptm->tm_min/10);
+ hit(buffer+15, ptm->tm_min );
+ hit(buffer+17, ptm->tm_sec/10);
+ hit(buffer+18, ptm->tm_sec );
+
+ year = ptm->tm_year + 1900;
+ hit(buffer+20, year/1000);
+ hit(buffer+21, year/100);
+ hit(buffer+22, year/10);
+ hit(buffer+23, year);
+}