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(append_string): handle NULL strings by printing `(null)'

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9392 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2000-12-15 14:04:42 +00:00
parent bb929ceafd
commit 9e16596a07
1 changed files with 25 additions and 22 deletions
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47
lib/roken/snprintf.c
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@@ -214,28 +214,31 @@ append_string (struct state *state,
int prec,
int flags)
{
if(prec != -1)
width -= prec;
else
width -= strlen((char *)arg);
if(!(flags & minus_flag))
while(width-- > 0)
if((*state->append_char) (state, ' '))
return 1;
if (prec != -1) {
while (*arg && prec--)
if ((*state->append_char) (state, *arg++))
return 1;
} else {
while (*arg)
if ((*state->append_char) (state, *arg++))
return 1;
}
if(flags & minus_flag)
while(width-- > 0)
if((*state->append_char) (state, ' '))
return 1;
return 0;
if(arg == NULL)
arg = (unsigned char*)"(null)";
if(prec != -1)
width -= prec;
else
width -= strlen((char *)arg);
if(!(flags & minus_flag))
while(width-- > 0)
if((*state->append_char) (state, ' '))
return 1;
if (prec != -1) {
while (*arg && prec--)
if ((*state->append_char) (state, *arg++))
return 1;
} else {
while (*arg)
if ((*state->append_char) (state, *arg++))
return 1;
}
if(flags & minus_flag)
while(width-- > 0)
if((*state->append_char) (state, ' '))
return 1;
return 0;
}
static int