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Make gnulib vfprintf return the number of bytes actually written

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To be honest, i don't remember what problems were caused by it returning the
number of bytes it *wanted* to write instead of the number of bytes
it actually wrote. Probably related to the fact that fwrite could
independently fail, and ignoring its return value ignores that error.

https://bugzilla.gnome.org/show_bug.cgi?id=748064
This commit is contained in:
Руслан Ижбулатов 2015-04-17 16:04:31 +00:00
parent 82c2461e3d
commit b7774b182d
1 changed files with 3 additions and 3 deletions
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6
glib/gnulib/printf.c
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@ -88,16 +88,16 @@ int _g_gnulib_vprintf (char const *format, va_list args)
int _g_gnulib_vfprintf (FILE *file, char const *format, va_list args) int _g_gnulib_vfprintf (FILE *file, char const *format, va_list args)
{ {
char *result; char *result;
size_t length; size_t length, rlength;
result = vasnprintf (NULL, &length, format, args); result = vasnprintf (NULL, &length, format, args);
if (result == NULL) if (result == NULL)
return -1; return -1;
fwrite (result, 1, length, file); rlength = fwrite (result, 1, length, file);
free (result); free (result);
return length; return rlength;
} }
int _g_gnulib_vsprintf (char *string, char const *format, va_list args) int _g_gnulib_vsprintf (char *string, char const *format, va_list args)