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-rw-r--r--mandoc.c73
1 files changed, 46 insertions, 27 deletions
diff --git a/mandoc.c b/mandoc.c
index 24a3a24f..0f5ef509 100644
--- a/mandoc.c
+++ b/mandoc.c
@@ -31,8 +31,10 @@
#include "mandoc.h"
#include "libmandoc.h"
-static int a2time(time_t *, const char *, const char *);
+#define DATESIZE 32
+static int a2time(time_t *, const char *, const char *);
+static char *time2a(time_t);
int
mandoc_special(char *p)
@@ -380,38 +382,55 @@ a2time(time_t *t, const char *fmt, const char *p)
}
-/*
- * Convert from a manual date string (see mdoc(7) and man(7)) into a
- * date according to the stipulated date type.
- */
-time_t
-mandoc_a2time(int flags, const char *p)
+static char *
+time2a(time_t t)
{
- time_t t;
+ struct tm tm;
+ char buf[DATESIZE];
+ char *p;
+ size_t nsz, rsz;
+ int isz;
- if (MTIME_MDOCDATE & flags) {
- if (0 == strcmp(p, "$" "Mdocdate$"))
- return(time(NULL));
- if (a2time(&t, "$" "Mdocdate: %b %d %Y $", p))
- return(t);
- }
+ localtime_r(&t, &tm);
- if (MTIME_CANONICAL & flags || MTIME_REDUCED & flags)
- if (a2time(&t, "%b %d, %Y", p))
- return(t);
+ p = buf;
+ rsz = DATESIZE;
- if (MTIME_ISO_8601 & flags)
- if (a2time(&t, "%Y-%m-%d", p))
- return(t);
+ if (0 == (nsz = strftime(p, rsz, "%B ", &tm)))
+ return(NULL);
- if (MTIME_REDUCED & flags) {
- if (a2time(&t, "%d, %Y", p))
- return(t);
- if (a2time(&t, "%Y", p))
- return(t);
- }
+ p += (int)nsz;
+ rsz -= nsz;
- return(0);
+ if (-1 == (isz = snprintf(p, rsz, "%d, ", tm.tm_mday)))
+ return(NULL);
+
+ p += isz;
+ rsz -= isz;
+
+ return(strftime(p, rsz, "%Y", &tm) ? buf : NULL);
+}
+
+
+char *
+mandoc_normdate(char *in, mandocmsg msg, void *data, int ln, int pos)
+{
+ char *out;
+ time_t t;
+
+ if (NULL == in || '\0' == *in ||
+ 0 == strcmp(in, "$" "Mdocdate$")) {
+ (*msg)(MANDOCERR_NODATE, data, ln, pos, NULL);
+ time(&t);
+ }
+ else if (!a2time(&t, "$" "Mdocdate: %b %d %Y $", in) &&
+ !a2time(&t, "%b %d, %Y", in) &&
+ !a2time(&t, "%Y-%m-%d", in)) {
+ (*msg)(MANDOCERR_BADDATE, data, ln, pos, NULL);
+ t = 0;
+ }
+ out = t ? time2a(t) : NULL;
+ return(mandoc_strdup(out ? out : in));
}