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mirror of https://github.com/adtools/clib2.git synced 2025-12-08 14:59:05 +00:00

- Floating point numbers which do not begin with a digit, but with a decimal point, are now processed correctly.

git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15213 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2015-04-24 13:00:12 +00:00
parent a665fffff1
commit eeb4e5d7aa

View File

@ -1,5 +1,5 @@
/*
* $Id: stdio_vfscanf.c,v 1.21 2006-09-25 14:51:15 obarthel Exp $
* $Id: stdio_vfscanf.c,v 1.22 2015-04-24 13:00:12 obarthel Exp $
*
* :ts=4
*
@ -775,6 +775,8 @@ vfscanf(FILE *stream, const char *format, va_list arg)
/* Check if there's a hex prefix introducing this number. */
if(maximum_field_width != 0 && (c = __getc(stream)) != EOF)
{
D(("c = '%lc'",c));
if(c == '0')
{
/* Use the leading zero as is. */
@ -889,6 +891,8 @@ vfscanf(FILE *stream, const char *format, va_list arg)
c = __getc(stream);
if(c != EOF)
{
D(("c = '%lc'",c));
__locale_lock();
/* Did we find the decimal point? We accept both the
@ -963,6 +967,7 @@ vfscanf(FILE *stream, const char *format, va_list arg)
int digit;
SHOWMSG("found a decimal point");
num_chars_processed++;
/* Process all digits following the decimal point. */
while(maximum_field_width != 0 && (c = __getc(stream)) != EOF)
@ -1004,6 +1009,7 @@ vfscanf(FILE *stream, const char *format, va_list arg)
}
total_num_chars_read++;
num_chars_processed++;
if(maximum_field_width > 0)
maximum_field_width--;
@ -1014,6 +1020,7 @@ vfscanf(FILE *stream, const char *format, va_list arg)
SHOWMSG("found an exponent specifier");
total_num_chars_read++;
num_chars_processed++;
if(maximum_field_width > 0)
maximum_field_width--;
@ -1056,12 +1063,15 @@ vfscanf(FILE *stream, const char *format, va_list arg)
{
int digit;
D(("c = '%lc'",c));
/* Skip the sign. */
if(c == '-')
{
exponent_is_negative = TRUE;
total_num_chars_read++;
num_chars_processed++;
if(maximum_field_width > 0)
maximum_field_width--;
@ -1069,6 +1079,7 @@ vfscanf(FILE *stream, const char *format, va_list arg)
else if (c == '+')
{
total_num_chars_read++;
num_chars_processed++;
if(maximum_field_width > 0)
maximum_field_width--;
@ -1097,6 +1108,8 @@ vfscanf(FILE *stream, const char *format, va_list arg)
new_exponent = (exponent_radix * exponent) + digit;
if(new_exponent < exponent) /* overflow? */
{
SHOWMSG("overflow!");
if(ungetc(c,stream) == EOF)
{
SHOWMSG("couldn't push this character back");
@ -1109,12 +1122,15 @@ vfscanf(FILE *stream, const char *format, va_list arg)
exponent = new_exponent;
total_num_chars_read++;
num_chars_processed++;
if(maximum_field_width > 0)
maximum_field_width--;
}
else
{
SHOWMSG("invalid digit");
if(ungetc(c,stream) == EOF)
{
SHOWMSG("couldn't push this character back");
@ -1178,9 +1194,17 @@ vfscanf(FILE *stream, const char *format, va_list arg)
}
num_assignments++;
D(("number of assignments = %ld\n", num_assignments));
}
num_conversions++;
D(("number of conversions = %ld\n", num_conversions));
}
else
{
SHOWMSG("no characters were actually processed");
}
}
#else