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removed old code and made briefer

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1632 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-05-02 10:46:49 +00:00
parent b0790fa0d1
commit 9a89bb4626
1 changed files with 14 additions and 58 deletions
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68
lib/roken/snprintf.c
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@@ -191,46 +191,28 @@ vsnprintf (char *str, size_t sz, const char *format, va_list args)
} }
#endif #endif
static int
sn_append_char (struct state *state, char c)
{
if(state->s < state->theend) {
*state->s++ = c;
return 0;
} else {
*state->s++ = '\0';
return 1;
}
}
static int static int
sn_reserve (struct state *state, size_t n) sn_reserve (struct state *state, size_t n)
{ {
return state->s + n >= state->theend; return state->s + n > state->theend;
} }
static int static int
as_append_char (struct state *state, char c) sn_append_char (struct state *state, char c)
{ {
if (state->s >= state->theend) { if (sn_reserve (state, 1)) {
int off = state->s - state->str; *state->s++ = '\0';
state->sz *= 2;
state->str = realloc (state->str, state->sz);
if (state->str == NULL) {
return 1; return 1;
} } else {
state->s = state->str + off;
state->theend = state->str + state->sz - 1;
}
*state->s++ = c; *state->s++ = c;
return 0; return 0;
} }
}
static int static int
as_reserve (struct state *state, size_t n) as_reserve (struct state *state, size_t n)
{ {
while (state->s + n >= state->theend) { while (state->s + n > state->theend) {
int off = state->s - state->str; int off = state->s - state->str;
state->sz *= 2; state->sz *= 2;
@@ -243,19 +225,16 @@ as_reserve (struct state *state, size_t n)
return 0; return 0;
} }
#if 0 /* old code */
static int static int
append_char (char **s, char *theend, char c) as_append_char (struct state *state, char c)
{ {
if (*s < theend) { if(as_reserve (state, 1))
*(*s)++ = c;
return 0;
} else {
*(*s)++ = '\0';
return 1; return 1;
else {
*state->s++ = c;
return 0;
} }
} }
#endif
static int static int
append_number (struct state *state, append_number (struct state *state,
@@ -291,38 +270,15 @@ append_number (struct state *state,
state->s[-len+i] = c; state->s[-len+i] = c;
} }
#if 0 /* old */
for (i = 0; i < len / 2; ++i) {
char c;
c = beg[i];
beg[i] = beg[len-i-1];
beg[len-i-1] = c;
}
#endif
if (width > len) { if (width > len) {
if ((*state->reserve) (state, width - len)) if ((*state->reserve) (state, width - len))
return 1; return 1;
#if 0
if (*s + width - len >= theend) {
*(*s)++ = '\0';
return 1;
}
#endif
memmove (state->s + width - 2 * len, state->s - len, len); memmove (state->s + width - 2 * len, state->s - len, len);
for (i = 0; i < width - len; ++i) for (i = 0; i < width - len; ++i)
state->s[-len+i] = (zerop ? '0' : ' '); state->s[-len+i] = (zerop ? '0' : ' ');
state->s += width - len; state->s += width - len;
#if 0
memmove (beg + width - len, beg, len);
for (i = 0; i < width - len; ++i)
beg[i] = (zerop ? '0' : ' ');
#endif
} }
return 0; return 0;
} }