1 files changed, 129 insertions, 0 deletions
diff --git a/err.c b/err.c
new file mode 100644
index 0000000..5544fa4
--- /dev/null
+++ b/err.c
@@ -0,0 +1,129 @@
+#include "config.h"
+#include "err.h"
+
+#include <errno.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+#ifdef NEED_STRINGS
+#include <strings.h>
+#endif
+
+RCSID("$Id: err.c,v 1.1.1.1 1999/02/02 23:29:39 shmit Exp $");
+
+FILE *errfile = NULL;
+FILE *infofile = NULL;
+
+void
+err(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	printf(DUMP_ERROR "\n");
+	fflush(stdout);
+	vfprintf(stderr, fmt, ap);
+	fflush(stderr);
+	va_end(ap);
+}
+
+/* TODO: use stream reading instead of raw mode. */
+void
+readerr(int infd, const char *host)
+{
+	static char buffer[MAXLINE];
+	char *i, *p;
+	static ssize_t leftover = 0;
+	ssize_t readb;
+
+	while ((readb = read(infd, buffer+leftover,
+			     sizeof(buffer)-leftover)) > 0) {
+		p = buffer;
+		while ((i = index(p, '\n'))) {
+			*i = '\0';
+
+			log_err("%s: %s\n", host, p);
+			p = i+1;
+		}
+
+		if (p-buffer < readb) {
+			leftover = readb-(p-buffer);
+			memmove(buffer, p, leftover);
+
+			/* TODO: dynamically allocate in this case. */
+			if (leftover == sizeof(buffer)) {
+				fprintf(stderr, "DEBUG: really big line.\n");
+				buffer[sizeof(buffer)] = '\0';
+				log_err("%s: %s\n", host, buffer);
+				leftover = 0;
+			}
+		}
+	}
+}
+
+void
+initlog(const char *infon, const char *errorn)
+{
+	const char *i;
+
+	i = rindex(infon, '/');
+	if (i)
+		i++;
+	else
+		i = infon;
+	if (!strcmp(i, "-"))
+		infofile = stdout;
+	else {
+		unlink(infon);
+		infofile = fopen(infon, "w");
+		if (!infofile) {
+			fprintf(stderr,
+				"Error: couldn't write log file `%s',"
+			        " using stderr: %s.\n", infon, strerror(errno));
+			infofile = stdout;
+		}
+	}
+
+	i = rindex(errorn, '/');
+	if (i)
+		i++;
+	else
+		i = errorn;
+	if (!strcmp(i, "-"))
+		errfile = stderr;
+	else {
+		unlink(errorn);
+		errfile = fopen(errorn, "w");
+		if (!errfile) {
+			fprintf(stderr,
+				"Error: couldn't write log file `%s',"
+			        " using stderr: %s.\n",
+				errorn, strerror(errno));
+			errfile = stderr;
+		}
+	}
+}
+
+void
+log_info(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vfprintf(infofile, fmt, ap);
+	va_end(ap);
+}
+
+void
+log_err(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	vfprintf(errfile, fmt, ap);
+	va_end(ap);
+}