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authorjkh <jkh@FreeBSD.org>1994-12-30 23:33:10 +0000
committerjkh <jkh@FreeBSD.org>1994-12-30 23:33:10 +0000
commit2517028602ac0a7f098a9c69f3f9889df8aeda81 (patch)
tree37db35d514c69a356634c1a2cbaecf365cbb68b2 /gnu/usr.bin/gdb/libiberty
parentcbfab23866a6fbbeedaea00fb9cc3c21f292ba86 (diff)
downloadFreeBSD-src-2517028602ac0a7f098a9c69f3f9889df8aeda81.zip
FreeBSD-src-2517028602ac0a7f098a9c69f3f9889df8aeda81.tar.gz
Bring in the files added by Gary Jennejohn's gdb update.
Submitted by: gj
Diffstat (limited to 'gnu/usr.bin/gdb/libiberty')
-rw-r--r--gnu/usr.bin/gdb/libiberty/vasprintf.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/gnu/usr.bin/gdb/libiberty/vasprintf.c b/gnu/usr.bin/gdb/libiberty/vasprintf.c
new file mode 100644
index 0000000..b3ba0ca
--- /dev/null
+++ b/gnu/usr.bin/gdb/libiberty/vasprintf.c
@@ -0,0 +1,139 @@
+/* Like vsprintf but provides a pointer to malloc'd storage, which must
+ be freed by the caller.
+ Copyright (C) 1994 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <stdio.h>
+#include <varargs.h>
+
+#ifdef TEST
+int global_total_width;
+#endif
+
+unsigned long strtoul ();
+char *malloc ();
+
+int
+vasprintf (result, format, args)
+ char **result;
+ char *format;
+ va_list args;
+{
+ char *p = format;
+ /* Add one to make sure that it is never zero, which might cause malloc
+ to return NULL. */
+ int total_width = strlen (format) + 1;
+ va_list ap = args;
+
+ while (*p != '\0')
+ {
+ if (*p++ == '%')
+ {
+ while (strchr ("-+ #0", *p))
+ ++p;
+ if (*p == '*')
+ {
+ ++p;
+ total_width += abs (va_arg (ap, int));
+ }
+ else
+ total_width += strtoul (p, &p, 10);
+ if (*p == '.')
+ {
+ ++p;
+ if (*p == '*')
+ {
+ ++p;
+ total_width += abs (va_arg (ap, int));
+ }
+ else
+ total_width += strtoul (p, &p, 10);
+ }
+ while (strchr ("hlL", *p))
+ ++p;
+ /* Should be big enough for any format specifier except %s. */
+ total_width += 30;
+ switch (*p)
+ {
+ case 'd':
+ case 'i':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
+ case 'c':
+ va_arg (ap, int);
+ break;
+ case 'f':
+ case 'e':
+ case 'E':
+ case 'g':
+ case 'G':
+ va_arg (ap, double);
+ break;
+ case 's':
+ total_width += strlen (va_arg (ap, char *));
+ break;
+ case 'p':
+ case 'n':
+ va_arg (ap, char *);
+ break;
+ }
+ }
+ }
+#ifdef TEST
+ global_total_width = total_width;
+#endif
+ *result = malloc (total_width);
+ if (*result != NULL)
+ return vsprintf (*result, format, args);
+ else
+ return 0;
+}
+
+#ifdef TEST
+void
+checkit (va_alist)
+ va_dcl
+{
+ va_list args;
+ char *format;
+ char *result;
+
+ va_start (args);
+ format = va_arg (args, char *);
+ vasprintf (&result, format, args);
+ if (strlen (result) < global_total_width)
+ printf ("PASS: ");
+ else
+ printf ("FAIL: ");
+ printf ("%d %s\n", global_total_width, result);
+}
+
+int
+main ()
+{
+ checkit ("%d", 0x12345678);
+ checkit ("%200d", 5);
+ checkit ("%.300d", 6);
+ checkit ("%100.150d", 7);
+ checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
+777777777777777777333333333333366666666666622222222222777777777777733333");
+ checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx");
+}
+#endif /* TEST */
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