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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1645 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-05-02 17:51:09 +00:00
parent 27100522f9
commit b03b3bb1e0
1 changed files with 164 additions and 175 deletions
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339
lib/roken/snprintf.c
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@@ -62,181 +62,6 @@ struct state {
/* XXX - methods */
};
static int as_append_char (struct state *state, char c);
static int sn_append_char (struct state *state, char c);
static int as_reserve (struct state *, size_t);
static int sn_reserve (struct state *, size_t);
static int append_number (struct state *state,
unsigned long num, unsigned base, char *rep,
int width, int zerop, int minusp);
static int append_string (struct state *state,
char *arg,
int prec);
static int xyzprintf (struct state *state, const char *format, va_list ap);
#ifndef HAVE_SNPRINTF
int
snprintf (char *str, size_t sz, const char *format, ...)
{
va_list args;
int ret;
va_start(args, format);
ret = vsnprintf (str, sz, format, args);
/* XXX - This is real paranoia! */
{
int ret2;
char *tmp;
tmp = malloc (sz);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (ret != ret2 || strcmp(str, tmp))
abort ();
free (tmp);
}
va_end(args);
return ret;
}
#endif
#ifndef HAVE_ASPRINTF
int
asprintf (char **ret, const char *format, ...)
{
va_list args;
int val;
va_start(args, format);
val = vasprintf (ret, format, args);
/* XXX - more paranoia */
{
int ret2;
char *tmp;
tmp = malloc (val + 1);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (val != ret2 || strcmp(*ret, tmp))
abort ();
free (tmp);
}
va_end(args);
return val;
}
#endif
#ifndef HAVE_ASNPRINTF
int
asnprintf (char **ret, size_t max_sz, const char *format, ...)
{
va_list args;
int val;
va_start(args, format);
val = vasnprintf (ret, max_sz, format, args);
/* XXX - more paranoia */
{
int ret2;
char *tmp;
tmp = malloc (val + 1);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (val != ret2 || strcmp(*ret, tmp))
abort ();
free (tmp);
}
va_end(args);
return val;
}
#endif
#ifndef HAVE_VASPRINTF
int
vasprintf (char **ret, const char *format, va_list args)
{
return vasnprintf (ret, 0, format, args);
}
#endif
#ifndef HAVE_VASNPRINTF
int
vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
{
int st;
size_t len;
struct state state;
state.max_sz = max_sz;
state.sz = min(1, max_sz);
state.str = malloc(state.sz);
if (state.str == NULL) {
*ret = NULL;
return -1;
}
state.s = state.str;
state.theend = state.s + state.sz - 1;
state.append_char = as_append_char;
state.reserve = as_reserve;
st = xyzprintf (&state, format, args);
if (st) {
free (state.str);
*ret = NULL;
return -1;
} else {
char *tmp;
*state.s = '\0';
len = state.s - state.str;
tmp = realloc (state.str, len+1);
if (state.str == NULL) {
free (state.str);
*ret = NULL;
return -1;
}
*ret = tmp;
return len;
}
}
#endif
#ifndef HAVE_VSNPRINTF
int
vsnprintf (char *str, size_t sz, const char *format, va_list args)
{
struct state state;
int ret;
state.max_sz = 0;
state.sz = sz;
state.str = str;
state.s = str;
state.theend = str + sz - 1;
state.append_char = sn_append_char;
state.reserve = sn_reserve;
ret = xyzprintf (&state, format, args);
*state.s = '\0';
if (ret)
return sz;
else
return state.s - state.str;
}
#endif
static int
sn_reserve (struct state *state, size_t n)
{
@@ -516,3 +341,167 @@ xyzprintf (struct state *state, const char *format, va_list ap)
}
return 0;
}
#ifndef HAVE_SNPRINTF
int
snprintf (char *str, size_t sz, const char *format, ...)
{
va_list args;
int ret;
va_start(args, format);
ret = vsnprintf (str, sz, format, args);
/* XXX - This is real paranoia! */
{
int ret2;
char *tmp;
tmp = malloc (sz);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (ret != ret2 || strcmp(str, tmp))
abort ();
free (tmp);
}
va_end(args);
return ret;
}
#endif
#ifndef HAVE_ASPRINTF
int
asprintf (char **ret, const char *format, ...)
{
va_list args;
int val;
va_start(args, format);
val = vasprintf (ret, format, args);
/* XXX - more paranoia */
{
int ret2;
char *tmp;
tmp = malloc (val + 1);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (val != ret2 || strcmp(*ret, tmp))
abort ();
free (tmp);
}
va_end(args);
return val;
}
#endif
#ifndef HAVE_ASNPRINTF
int
asnprintf (char **ret, size_t max_sz, const char *format, ...)
{
va_list args;
int val;
va_start(args, format);
val = vasnprintf (ret, max_sz, format, args);
/* XXX - more paranoia */
{
int ret2;
char *tmp;
tmp = malloc (val + 1);
if (tmp == NULL)
abort ();
ret2 = vsprintf (tmp, format, args);
if (val != ret2 || strcmp(*ret, tmp))
abort ();
free (tmp);
}
va_end(args);
return val;
}
#endif
#ifndef HAVE_VASPRINTF
int
vasprintf (char **ret, const char *format, va_list args)
{
return vasnprintf (ret, 0, format, args);
}
#endif
#ifndef HAVE_VASNPRINTF
int
vasnprintf (char **ret, size_t max_sz, const char *format, va_list args)
{
int st;
size_t len;
struct state state;
state.max_sz = max_sz;
state.sz = min(1, max_sz);
state.str = malloc(state.sz);
if (state.str == NULL) {
*ret = NULL;
return -1;
}
state.s = state.str;
state.theend = state.s + state.sz - 1;
state.append_char = as_append_char;
state.reserve = as_reserve;
st = xyzprintf (&state, format, args);
if (st) {
free (state.str);
*ret = NULL;
return -1;
} else {
char *tmp;
*state.s = '\0';
len = state.s - state.str;
tmp = realloc (state.str, len+1);
if (state.str == NULL) {
free (state.str);
*ret = NULL;
return -1;
}
*ret = tmp;
return len;
}
}
#endif
#ifndef HAVE_VSNPRINTF
int
vsnprintf (char *str, size_t sz, const char *format, va_list args)
{
struct state state;
int ret;
state.max_sz = 0;
state.sz = sz;
state.str = str;
state.s = str;
state.theend = str + sz - 1;
state.append_char = sn_append_char;
state.reserve = sn_reserve;
ret = xyzprintf (&state, format, args);
*state.s = '\0';
if (ret)
return sz;
else
return state.s - state.str;
}
#endif