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-rw-r--r--gnu/usr.bin/ld/etc.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/gnu/usr.bin/ld/etc.c b/gnu/usr.bin/ld/etc.c
new file mode 100644
index 000000000000..27e2c5661895
--- /dev/null
+++ b/gnu/usr.bin/ld/etc.c
@@ -0,0 +1,151 @@
+/*
+ * $Id: etc.c,v 1.7 1994/02/13 20:41:05 jkh Exp $
+ */
+
+#include <sys/param.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <ar.h>
+#include <ranlib.h>
+#include <a.out.h>
+#include <stab.h>
+#include <string.h>
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "ld.h"
+
+/*
+ * Report a nonfatal error.
+ */
+
+void
+#if __STDC__
+error(char *fmt, ...)
+#else
+error(fmt, va_alist)
+ char *fmt;
+ va_dcl
+#endif
+{
+ va_list ap;
+#if __STDC__
+ va_start(ap, fmt);
+#else
+ va_start(ap);
+#endif
+ (void)fprintf(stderr, "%s: ", progname);
+ (void)vfprintf(stderr, fmt, ap);
+ (void)fprintf(stderr, "\n");
+ va_end(ap);
+}
+
+void (*fatal_cleanup_hook)__P((void));
+/*
+ * Report a fatal error.
+ */
+
+void
+#if __STDC__
+fatal(char *fmt, ...)
+#else
+fatal(fmt, va_alist)
+ char *fmt;
+ va_dcl
+#endif
+{
+ va_list ap;
+#if __STDC__
+ va_start(ap, fmt);
+#else
+ va_start(ap);
+#endif
+ (void)fprintf(stderr, "%s: ", progname);
+ (void)vfprintf(stderr, fmt, ap);
+ (void)fprintf(stderr, "\n");
+ va_end(ap);
+
+ if (fatal_cleanup_hook)
+ (*fatal_cleanup_hook)();
+ exit(1);
+}
+
+
+/*
+ * Return a newly-allocated string whose contents concatenate
+ * the strings S1, S2, S3.
+ */
+
+char *
+concat(s1, s2, s3)
+ const char *s1, *s2, *s3;
+{
+ register int len1 = strlen (s1),
+ len2 = strlen (s2),
+ len3 = strlen (s3);
+
+ register char *result = (char *) xmalloc (len1 + len2 + len3 + 1);
+
+ strcpy (result, s1);
+ strcpy (result + len1, s2);
+ strcpy (result + len1 + len2, s3);
+ result[len1 + len2 + len3] = 0;
+
+ return result;
+}
+
+/* Parse the string ARG using scanf format FORMAT, and return the result.
+ If it does not parse, report fatal error
+ generating the error message using format string ERROR and ARG as arg. */
+
+int
+parse(arg, format, error)
+ char *arg, *format, *error;
+{
+ int x;
+ if (1 != sscanf (arg, format, &x))
+ fatal (error, arg);
+ return x;
+}
+
+/* Like malloc but get fatal error if memory is exhausted. */
+
+void *
+xmalloc(size)
+ int size;
+{
+ register void *result = (void *)malloc (size);
+
+ if (!result)
+ fatal ("virtual memory exhausted", 0);
+
+ return result;
+}
+
+/* Like realloc but get fatal error if memory is exhausted. */
+
+void *
+xrealloc(ptr, size)
+ void *ptr;
+ int size;
+{
+ register void *result;
+
+ if (ptr == NULL)
+ result = (void *)malloc (size);
+ else
+ result = (void *)realloc (ptr, size);
+
+ if (!result)
+ fatal ("virtual memory exhausted", 0);
+
+ return result;
+}