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authorAndreas Schwab <schwab@suse.de>2013-10-31 12:51:03 +0100
committerAndreas Schwab <schwab@suse.de>2013-10-31 12:51:03 +0100
commita4966c6104918ac884ee1131a4ed23c5ad6b4c5a (patch)
tree50d215a87669be3f9b9cc0164a2affe45f392bad /stdio-common
parent28d708c44bc47b56f6551ff285f78edcf61c208a (diff)
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Fix parsing of 0e+0 as float
Diffstat (limited to 'stdio-common')
-rw-r--r--stdio-common/tst-sscanf.c34
-rw-r--r--stdio-common/vfscanf.c2
2 files changed, 36 insertions, 0 deletions
diff --git a/stdio-common/tst-sscanf.c b/stdio-common/tst-sscanf.c
index 1edb227199..3c34f58a63 100644
--- a/stdio-common/tst-sscanf.c
+++ b/stdio-common/tst-sscanf.c
@@ -109,6 +109,19 @@ struct test double_tests[] =
{ L("-inf"), L("%g"), 1 }
};
+struct test2
+{
+ const CHAR *str;
+ const CHAR *fmt;
+ int retval;
+ char residual;
+} double_tests2[] =
+{
+ { L("0e+0"), L("%g%c"), 1, 0 },
+ { L("0xe+0"), L("%g%c"), 2, '+' },
+ { L("0x.e+0"), L("%g%c"), 2, '+' },
+};
+
int
main (void)
{
@@ -196,5 +209,26 @@ main (void)
}
}
+ for (i = 0; i < sizeof (double_tests2) / sizeof (double_tests2[0]); ++i)
+ {
+ double dummy;
+ int ret;
+ char c = 0;
+
+ if ((ret = SSCANF (double_tests2[i].str, double_tests2[i].fmt,
+ &dummy, &c)) != double_tests2[i].retval)
+ {
+ printf ("double_tests2[%d] returned %d != %d\n",
+ i, ret, double_tests2[i].retval);
+ result = 1;
+ }
+ else if (ret == 2 && c != double_tests2[i].residual)
+ {
+ printf ("double_tests2[%d] stopped at '%c' != '%c'\n",
+ i, c, double_tests2[i].residual);
+ result = 1;
+ }
+ }
+
return result;
}
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index 78dc2fcfe5..e6fa8f372b 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -1966,6 +1966,8 @@ _IO_vfscanf_internal (_IO_FILE *s, const char *format, _IO_va_list argptr,
if (width > 0)
--width;
}
+ else
+ got_digit = 1;
}
while (1)