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b9b5e3078dfdcf0f9a8515f55a4eb44b6c55a9f5
system76-edk2/StdLib/LibC/Uefi/compat.c
darylm503 41b152c5f6 StdLib: Improve robustness of stat() and make basename() a public function. 
AppPkg: Refinements to pyconfig.h and port of getpath.c to EDK II.

Signed-off-by: darylm503
Reviewed-by: geekboy15a
Reviewed-by: jljusten


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12508 6f19259b-4bc3-4df7-8a09-765794883524
2011-10-03 18:54:12 +00:00

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/*
* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $
* Copyright (c) 1997, 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein and Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $NetBSD: compat.c,v 1.1.1.1 2008/08/24 05:33:08 gmcgarry Exp $
*/
#include <LibConfig.h>
#include <string.h>
#include <fcntl.h>
#include <sys/syslimits.h>
#ifndef HAVE_GETOPT
char *optarg;
int optind = 1;
int
getopt(int argc, char **argv, char *args)
{
size_t n;
size_t nlen = strlen(args);
char cmd;
char rv;
if (argv[optind] && *argv[optind] == '-') {
cmd = *(argv[optind] + 1);
for (n = 0; n < nlen; n++) {
if (args[n] == ':')
continue;
if (args[n] == cmd) {
rv = *(argv[optind] + 1);
if (args[n+1] == ':') {
if (*(argv[optind] + 2) != '\0') {
optarg = argv[optind] + 2;
optind += 1;
} else {
optarg = argv[optind + 1];
optind += 2;
}
if (!optarg)
optarg="";
return rv;
} else {
optarg = NULL;
optind += 1;
return rv;
}
}
}
}
return -1;
}
#endif
#define ISPATHSEPARATOR(x) ((x == '/') || (x == '\\'))
#ifndef HAVE_BASENAME
#ifndef PATH_MAX
#define PATH_MAX 5000
#endif
char *
basename(char *path)
{
static char singledot[] = ".";
static char result[PATH_MAX];
char *p, *lastp;
size_t len;
/*
* If `path' is a null pointer or points to an empty string,
* return a pointer to the string ".".
*/
if ((path == NULL) || (*path == '\0'))
return (singledot);
/* Strip trailing slashes, if any. */
lastp = path + strlen(path) - 1;
while (lastp != path && ISPATHSEPARATOR(*lastp))
lastp--;
/* Now find the beginning of this (final) component. */
p = lastp;
while (p != path && !ISPATHSEPARATOR(*(p - 1)))
p--;
/* ...and copy the result into the result buffer. */
len = (lastp - p) + 1 /* last char */;
if (len > (PATH_MAX - 1))
len = PATH_MAX - 1;
memcpy(result, p, len);
result[len] = '\0';
return (result);
}
#endif
#if !defined(HAVE_MKSTEMP) && !defined(WIN32)
int
mkstemp(char *path)
{
char *start, *trv;
unsigned int pid;
/* To guarantee multiple calls generate unique names even if
the file is not created. 676 different possibilities with 7
or more X's, 26 with 6 or less. */
static char xtra[2] = "aa";
int xcnt = 0;
pid = getpid();
/* Move to end of path and count trailing X's. */
for (trv = path; *trv; ++trv)
if (*trv == 'X')
xcnt++;
else
xcnt = 0;
/* Use at least one from xtra. Use 2 if more than 6 X's. */
if (*(trv - 1) == 'X')
*--trv = xtra[0];
if (xcnt > 6 && *(trv - 1) == 'X')
*--trv = xtra[1];
/* Set remaining X's to pid digits with 0's to the left. */
while (*--trv == 'X') {
*trv = (pid % 10) + '0';
pid /= 10;
}
/* update xtra for next call. */
if (xtra[0] != 'z')
xtra[0]++;
else {
xtra[0] = 'a';
if (xtra[1] != 'z')
xtra[1]++;
else
xtra[1] = 'a';
}
return open(path, O_CREAT | O_EXCL | O_RDWR, 0600);
}
#endif
#ifndef HAVE_FFS
int
ffs(int x)
{
int r = 1;
if (!x) return 0;
if (!(x & 0xffff)) { x >>= 16; r += 16; }
if (!(x & 0xff)) { x >>= 8; r += 8; }
if (!(x & 0xf)) { x >>= 4; r += 4; }
if (!(x & 3)) { x >>= 2; r += 2; }
if (!(x & 1)) { x >>= 1; r += 1; }
return r;
}
#endif
/*
* Copyright Patrick Powell 1995
* This code is based on code written by Patrick Powell (papowell@astart.com)
* It may be used for any purpose as long as this notice remains intact
* on all source code distributions
*/
#if !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF)
static void
dopr(char *buffer, size_t maxlen, const char *format, va_list args);
static void
fmtstr(char *buffer, size_t *currlen, size_t maxlen, char *value, int flags,
int min, int max);
static void
fmtint(char *buffer, size_t *currlen, size_t maxlen, long value, int base,
int min, int max, int flags);
static void
fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
int min, int max, int flags);
static void
dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c);
/*
* dopr(): poor man's version of doprintf
*/
/* format read states */
#define DP_S_DEFAULT 0
#define DP_S_FLAGS 1
#define DP_S_MIN 2
#define DP_S_DOT 3
#define DP_S_MAX 4
#define DP_S_MOD 5
#define DP_S_CONV 6
#define DP_S_DONE 7
/* format flags - Bits */
#define DP_F_MINUS (1 << 0)
#define DP_F_PLUS (1 << 1)
#define DP_F_SPACE (1 << 2)
#define DP_F_NUM (1 << 3)
#define DP_F_ZERO (1 << 4)
#define DP_F_UP (1 << 5)
#define DP_F_UNSIGNED (1 << 6)
/* Conversion Flags */
#define DP_C_SHORT 1
#define DP_C_LONG 2
#define DP_C_LDOUBLE 3
#define DP_C_LONG_LONG 4
#define char_to_int(p) (p - '0')
#define abs_val(p) (p < 0 ? -p : p)
static void
dopr(char *buffer, size_t maxlen, const char *format, va_list args)
{
char *strvalue, ch;
long value;
long double fvalue;
int min = 0, max = -1, state = DP_S_DEFAULT, flags = 0, cflags = 0;
size_t currlen = 0;
ch = *format++;
while (state != DP_S_DONE) {
if ((ch == '\0') || (currlen >= maxlen))
state = DP_S_DONE;
switch(state) {
case DP_S_DEFAULT:
if (ch == '%')
state = DP_S_FLAGS;
else
dopr_outch(buffer, &currlen, maxlen, ch);
ch = *format++;
break;
case DP_S_FLAGS:
switch (ch) {
case '-':
flags |= DP_F_MINUS;
ch = *format++;
break;
case '+':
flags |= DP_F_PLUS;
ch = *format++;
break;
case ' ':
flags |= DP_F_SPACE;
ch = *format++;
break;
case '#':
flags |= DP_F_NUM;
ch = *format++;
break;
case '0':
flags |= DP_F_ZERO;
ch = *format++;
break;
default:
state = DP_S_MIN;
break;
}
break;
case DP_S_MIN:
if (isdigit((unsigned char)ch)) {
min = 10 * min + char_to_int (ch);
ch = *format++;
} else if (ch == '*') {
min = va_arg (args, int);
ch = *format++;
state = DP_S_DOT;
} else
state = DP_S_DOT;
break;
case DP_S_DOT:
if (ch == '.') {
state = DP_S_MAX;
ch = *format++;
} else
state = DP_S_MOD;
break;
case DP_S_MAX:
if (isdigit((unsigned char)ch)) {
if (max < 0)
max = 0;
max = 10 * max + char_to_int(ch);
ch = *format++;
} else if (ch == '*') {
max = va_arg (args, int);
ch = *format++;
state = DP_S_MOD;
} else
state = DP_S_MOD;
break;
case DP_S_MOD:
switch (ch) {
case 'h':
cflags = DP_C_SHORT;
ch = *format++;
break;
case 'l':
cflags = DP_C_LONG;
ch = *format++;
if (ch == 'l') {
cflags = DP_C_LONG_LONG;
ch = *format++;
}
break;
case 'q':
cflags = DP_C_LONG_LONG;
ch = *format++;
break;
case 'L':
cflags = DP_C_LDOUBLE;
ch = *format++;
break;
default:
break;
}
state = DP_S_CONV;
break;
case DP_S_CONV:
switch (ch) {
case 'd':
case 'i':
if (cflags == DP_C_SHORT)
value = va_arg(args, int);
else if (cflags == DP_C_LONG)
value = va_arg(args, long int);
else if (cflags == DP_C_LONG_LONG)
value = va_arg (args, long long);
else
value = va_arg (args, int);
fmtint(buffer, &currlen, maxlen, value, 10, min, max, flags);
break;
case 'o':
flags |= DP_F_UNSIGNED;
if (cflags == DP_C_SHORT)
value = va_arg(args, unsigned int);
else if (cflags == DP_C_LONG)
value = va_arg(args, unsigned long int);
else if (cflags == DP_C_LONG_LONG)
value = va_arg(args, unsigned long long);
else
value = va_arg(args, unsigned int);
fmtint(buffer, &currlen, maxlen, value, 8, min, max, flags);
break;
case 'u':
flags |= DP_F_UNSIGNED;
if (cflags == DP_C_SHORT)
value = va_arg(args, unsigned int);
else if (cflags == DP_C_LONG)
value = va_arg(args, unsigned long int);
else if (cflags == DP_C_LONG_LONG)
value = va_arg(args, unsigned long long);
else
value = va_arg(args, unsigned int);
fmtint (buffer, &currlen, maxlen, value, 10, min, max, flags);
break;
case 'X':
flags |= DP_F_UP;
case 'x':
flags |= DP_F_UNSIGNED;
if (cflags == DP_C_SHORT)
value = va_arg(args, unsigned int);
else if (cflags == DP_C_LONG)
value = va_arg(args, unsigned long int);
else if (cflags == DP_C_LONG_LONG)
value = va_arg(args, unsigned long long);
else
value = va_arg(args, unsigned int);
fmtint(buffer, &currlen, maxlen, value, 16, min, max, flags);
break;
case 'f':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, long double);
else
fvalue = va_arg(args, double);
/* um, floating point? */
fmtfp(buffer, &currlen, maxlen, fvalue, min, max, flags);
break;
case 'E':
flags |= DP_F_UP;
case 'e':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, long double);
else
fvalue = va_arg(args, double);
break;
case 'G':
flags |= DP_F_UP;
case 'g':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, long double);
else
fvalue = va_arg(args, double);
break;
case 'c':
dopr_outch(buffer, &currlen, maxlen, va_arg(args, int));
break;
case 's':
strvalue = va_arg(args, char *);
if (max < 0)
max = maxlen; /* ie, no max */
fmtstr(buffer, &currlen, maxlen, strvalue, flags, min, max);
break;
case 'p':
strvalue = va_arg(args, void *);
fmtint(buffer, &currlen, maxlen, (long) strvalue, 16, min, max, flags);
break;
case 'n':
if (cflags == DP_C_SHORT) {
short int *num;
num = va_arg(args, short int *);
*num = currlen;
} else if (cflags == DP_C_LONG) {
long int *num;
num = va_arg(args, long int *);
*num = currlen;
} else if (cflags == DP_C_LONG_LONG) {
long long *num;
num = va_arg(args, long long *);
*num = currlen;
} else {
int *num;
num = va_arg(args, int *);
*num = currlen;
}
break;
case '%':
dopr_outch(buffer, &currlen, maxlen, ch);
break;
case 'w': /* not supported yet, treat as next char */
ch = *format++;
break;
default: /* Unknown, skip */
break;
}
ch = *format++;
state = DP_S_DEFAULT;
flags = cflags = min = 0;
max = -1;
break;
case DP_S_DONE:
break;
default: /* hmm? */
break; /* some picky compilers need this */
}
}
if (currlen < maxlen - 1)
buffer[currlen] = '\0';
else
buffer[maxlen - 1] = '\0';
}
static void
fmtstr(char *buffer, size_t *currlen, size_t maxlen,
char *value, int flags, int min, int max)
{
int cnt = 0, padlen, strln; /* amount to pad */
if (value == 0)
value = "<NULL>";
for (strln = 0; value[strln]; ++strln); /* strlen */
padlen = min - strln;
if (padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
padlen = -padlen; /* Left Justify */
while ((padlen > 0) && (cnt < max)) {
dopr_outch(buffer, currlen, maxlen, ' ');
--padlen;
++cnt;
}
while (*value && (cnt < max)) {
dopr_outch(buffer, currlen, maxlen, *value++);
++cnt;
}
while ((padlen < 0) && (cnt < max)) {
dopr_outch(buffer, currlen, maxlen, ' ');
++padlen;
++cnt;
}
}
/* Have to handle DP_F_NUM (ie 0x and 0 alternates) */
static void
fmtint(char *buffer, size_t *currlen, size_t maxlen,
long value, int base, int min, int max, int flags)
{
unsigned long uvalue;
char convert[20];
int signvalue = 0, place = 0, caps = 0;
int spadlen = 0; /* amount to space pad */
int zpadlen = 0; /* amount to zero pad */
#define PADMAX(x,y) ((x) > (y) ? (x) : (y))
if (max < 0)
max = 0;
uvalue = value;
if (!(flags & DP_F_UNSIGNED)) {
if (value < 0) {
signvalue = '-';
uvalue = -value;
} else if (flags & DP_F_PLUS) /* Do a sign (+/i) */
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
}
if (flags & DP_F_UP)
caps = 1; /* Should characters be upper case? */
do {
convert[place++] =
(caps ? "0123456789ABCDEF" : "0123456789abcdef")
[uvalue % (unsigned)base];
uvalue = (uvalue / (unsigned)base );
} while (uvalue && (place < 20));
if (place == 20)
place--;
convert[place] = 0;
zpadlen = max - place;
spadlen = min - PADMAX(max, place) - (signvalue ? 1 : 0);
if (zpadlen < 0)
zpadlen = 0;
if (spadlen < 0)
spadlen = 0;
if (flags & DP_F_ZERO) {
zpadlen = PADMAX(zpadlen, spadlen);
spadlen = 0;
}
if (flags & DP_F_MINUS)
spadlen = -spadlen; /* Left Justifty */
/* Spaces */
while (spadlen > 0) {
dopr_outch(buffer, currlen, maxlen, ' ');
--spadlen;
}
/* Sign */
if (signvalue)
dopr_outch(buffer, currlen, maxlen, signvalue);
/* Zeros */
if (zpadlen > 0) {
while (zpadlen > 0) {
dopr_outch(buffer, currlen, maxlen, '0');
--zpadlen;
}
}
/* Digits */
while (place > 0)
dopr_outch(buffer, currlen, maxlen, convert[--place]);
/* Left Justified spaces */
while (spadlen < 0) {
dopr_outch (buffer, currlen, maxlen, ' ');
++spadlen;
}
}
static long double
pow10(int exp)
{
long double result = 1;
while (exp) {
result *= 10;
exp--;
}
return result;
}
static long
round(long double value)
{
long intpart = value;
value -= intpart;
if (value >= 0.5)
intpart++;
return intpart;
}
static void
fmtfp(char *buffer, size_t *currlen, size_t maxlen, long double fvalue,
int min, int max, int flags)
{
char iconvert[20], fconvert[20];
int signvalue = 0, iplace = 0, fplace = 0;
int padlen = 0; /* amount to pad */
int zpadlen = 0, caps = 0;
long intpart, fracpart;
long double ufvalue;
/*
* AIX manpage says the default is 0, but Solaris says the default
* is 6, and sprintf on AIX defaults to 6
*/
if (max < 0)
max = 6;
ufvalue = abs_val(fvalue);
if (fvalue < 0)
signvalue = '-';
else if (flags & DP_F_PLUS) /* Do a sign (+/i) */
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
intpart = ufvalue;
/*
* Sorry, we only support 9 digits past the decimal because of our
* conversion method
*/
if (max > 9)
max = 9;
/* We "cheat" by converting the fractional part to integer by
* multiplying by a factor of 10
*/
fracpart = round((pow10 (max)) * (ufvalue - intpart));
if (fracpart >= pow10 (max)) {
intpart++;
fracpart -= pow10 (max);
}
/* Convert integer part */
do {
iconvert[iplace++] =
(caps ? "0123456789ABCDEF" : "0123456789abcdef")
[intpart % 10];
intpart = (intpart / 10);
} while(intpart && (iplace < 20));
if (iplace == 20)
iplace--;
iconvert[iplace] = 0;
/* Convert fractional part */
do {
fconvert[fplace++] =
(caps ? "0123456789ABCDEF" : "0123456789abcdef")
[fracpart % 10];
fracpart = (fracpart / 10);
} while(fracpart && (fplace < 20));
if (fplace == 20)
fplace--;
fconvert[fplace] = 0;
/* -1 for decimal point, another -1 if we are printing a sign */
padlen = min - iplace - max - 1 - ((signvalue) ? 1 : 0);
zpadlen = max - fplace;
if (zpadlen < 0)
zpadlen = 0;
if (padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
padlen = -padlen; /* Left Justifty */
if ((flags & DP_F_ZERO) && (padlen > 0)) {
if (signvalue) {
dopr_outch(buffer, currlen, maxlen, signvalue);
--padlen;
signvalue = 0;
}
while (padlen > 0) {
dopr_outch(buffer, currlen, maxlen, '0');
--padlen;
}
}
while (padlen > 0) {
dopr_outch(buffer, currlen, maxlen, ' ');
--padlen;
}
if (signvalue)
dopr_outch(buffer, currlen, maxlen, signvalue);
while (iplace > 0)
dopr_outch(buffer, currlen, maxlen, iconvert[--iplace]);
/*
* Decimal point. This should probably use locale to find the
* correct char to print out.
*/
dopr_outch(buffer, currlen, maxlen, '.');
while (fplace > 0)
dopr_outch(buffer, currlen, maxlen, fconvert[--fplace]);
while (zpadlen > 0) {
dopr_outch(buffer, currlen, maxlen, '0');
--zpadlen;
}
while (padlen < 0) {
dopr_outch(buffer, currlen, maxlen, ' ');
++padlen;
}
}
static void
dopr_outch(char *buffer, size_t *currlen, size_t maxlen, char c)
{
if (*currlen < maxlen)
buffer[(*currlen)++] = c;
}
#endif /* !defined(HAVE_SNPRINTF) || !defined(HAVE_VSNPRINTF) */
#ifndef HAVE_VSNPRINTF
int
vsnprintf(char *str, size_t count, const char *fmt, va_list args)
{
str[0] = 0;
dopr(str, count, fmt, args);
return(strlen(str));
}
#endif /* !HAVE_VSNPRINTF */
#ifndef HAVE_SNPRINTF
int
snprintf(char *str,size_t count,const char *fmt,...)
{
va_list ap;
va_start(ap, fmt);
(void) vsnprintf(str, count, fmt, ap);
va_end(ap);
return(strlen(str));
}
#endif /* !HAVE_SNPRINTF */
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