#define LINUX_COMPATIBLE
#endif
+#include "portable.h" /* to get a working stdarg.h */
+
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
-#include "portable.h" /* to get a working stdarg.h */
-
#include <assert.h>
#include <errno.h>
#include "xbt/str.h"
* Small values favor memcpy, large values favor inline code.
*/
#if defined(__alpha__) || defined(__alpha)
-# define breakeven_point 2 /* AXP (DEC Alpha) - gcc or cc or egcs */
+# define breakeven_point 2 /* AXP (DEC Alpha) - gcc or cc or egcs */
#endif
#if defined(__i386__) || defined(__i386)
-# define breakeven_point 12 /* Intel Pentium/Linux - gcc 2.96 */
+# define breakeven_point 12 /* Intel Pentium/Linux - gcc 2.96 */
#endif
#if defined(__hppa)
-# define breakeven_point 10 /* HP-PA - gcc */
+# define breakeven_point 10 /* HP-PA - gcc */
#endif
#if defined(__sparc__) || defined(__sparc)
-# define breakeven_point 33 /* Sun Sparc 5 - gcc 2.8.1 */
+# define breakeven_point 33 /* Sun Sparc 5 - gcc 2.8.1 */
#endif
/* some other values of possible interest: */
-/* #define breakeven_point 8 */ /* VAX 4000 - vaxc */
-/* #define breakeven_point 19 */ /* VAX 4000 - gcc 2.7.0 */
+ /* #define breakeven_point 8 *//* VAX 4000 - vaxc */
+ /* #define breakeven_point 19 *//* VAX 4000 - gcc 2.7.0 */
#ifndef breakeven_point
-# define breakeven_point 6 /* some reasonable one-size-fits-all value */
+# define breakeven_point 6 /* some reasonable one-size-fits-all value */
#endif
#define fast_memcpy(d,s,n) \
{ register size_t nn = (size_t)(n); \
- if (nn >= breakeven_point) memcpy((d), (s), nn); \
- else if (nn > 0) { /* proc call overhead is worth only for large strings*/\
- register char *dd; register const char *ss; \
- for (ss=(s), dd=(d); nn>0; nn--) *dd++ = *ss++; } }
+ if (nn >= breakeven_point) memcpy((d), (s), nn); \
+ else if (nn > 0) { /* proc call overhead is worth only for large strings*/\
+ register char *dd; register const char *ss; \
+ for (ss=(s), dd=(d); nn>0; nn--) *dd++ = *ss++; } }
#define fast_memset(d,c,n) \
{ register size_t nn = (size_t)(n); \
- if (nn >= breakeven_point) memset((d), (int)(c), nn); \
- else if (nn > 0) { /* proc call overhead is worth only for large strings*/\
- register char *dd; register const int cc=(int)(c); \
- for (dd=(d); nn>0; nn--) *dd++ = cc; } }
+ if (nn >= breakeven_point) memset((d), (int)(c), nn); \
+ else if (nn > 0) { /* proc call overhead is worth only for large strings*/\
+ register char *dd; register const int cc=(int)(c); \
+ for (dd=(d); nn>0; nn--) *dd++ = cc; } }
/* prototypes */
#if defined(NEED_ASPRINTF)
-int asprintf (char **ptr, const char *fmt, /*args*/ ...);
+int asprintf(char **ptr, const char *fmt, /*args */ ...);
#endif
-#if defined(NEED_VASPRINTF)
-int vasprintf (char **ptr, const char *fmt, va_list ap);
+#if defined(NEED_VASPRINTF)
+int vasprintf(char **ptr, const char *fmt, va_list ap);
#endif
#if defined(NEED_ASNPRINTF)
-int asnprintf (char **ptr, size_t str_m, const char *fmt, /*args*/ ...);
+int asnprintf(char **ptr, size_t str_m, const char *fmt, /*args */ ...);
#endif
#if defined(NEED_VASNPRINTF)
-int vasnprintf (char **ptr, size_t str_m, const char *fmt, va_list ap);
+int vasnprintf(char **ptr, size_t str_m, const char *fmt, va_list ap);
#endif
#if defined(HAVE_SNPRINTF)
/* declare our portable snprintf routine under name portable_snprintf */
/* declare our portable vsnprintf routine under name portable_vsnprintf */
# if defined(_MSC_VER) && (_MSC_VER >= 1400)
-# define portable_snprintf _snprintf
-# if !defined(NEED_SNPRINTF_ONLY)
+# define portable_snprintf _snprintf
+# define portable_vsnprintf vsnprintf
+# else
+# define portable_snprintf snprintf
# define portable_vsnprintf vsnprintf
# endif
-# endif
#else
/* declare our portable routines under names snprintf and vsnprintf */
#define portable_snprintf snprintf
#endif
#if !defined(HAVE_SNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
-int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args*/ ...);
+int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args */
+ ...);
#if !defined(NEED_SNPRINTF_ONLY)
int portable_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap);
#endif
/* declarations */
static char credits[] = "\n\
-@(#)snprintf.c, v2.2: Mark Martinec, <mark.martinec@ijs.si>\n\
-@(#)snprintf.c, v2.2: Copyright 1999, Mark Martinec. Frontier Artistic License applies.\n\
-@(#)snprintf.c, v2.2: http://www.ijs.si/software/snprintf/\n";
+ @(#)snprintf.c, v2.2: Mark Martinec, <mark.martinec@ijs.si>\n\
+ @(#)snprintf.c, v2.2: Copyright 1999, Mark Martinec. Frontier Artistic License applies.\n\
+ @(#)snprintf.c, v2.2: http://www.ijs.si/software/snprintf/\n";
-static void __foo__(void)
+static void __foo__(void)
{
- printf("%s",credits);
- __foo__();
+ printf("%s", credits);
+ __foo__();
}
#if defined(NEED_ASPRINTF)
-int asprintf(char **ptr, const char *fmt, /*args*/ ...) {
+int asprintf(char **ptr, const char *fmt, /*args */ ...)
+{
va_list ap;
size_t str_m;
int str_l;
*ptr = NULL;
- va_start(ap, fmt); /* measure the required size */
- str_l = portable_vsnprintf(NULL, (size_t)0, fmt, ap);
+ va_start(ap, fmt); /* measure the required size */
+ str_l = portable_vsnprintf(NULL, (size_t) 0, fmt, ap);
va_end(ap);
- assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
- *ptr = (char *) malloc(str_m = (size_t)str_l + 1);
- if (*ptr == NULL) { errno = ENOMEM; str_l = -1; }
- else {
+ assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
+ *ptr = (char *) malloc(str_m = (size_t) str_l + 1);
+ if (*ptr == NULL) {
+ errno = ENOMEM;
+ str_l = -1;
+ } else {
int str_l2;
va_start(ap, fmt);
str_l2 = portable_vsnprintf(*ptr, str_m, fmt, ap);
#endif
#if defined(NEED_VASPRINTF)
-int vasprintf(char **ptr, const char *fmt, va_list ap) {
+int vasprintf(char **ptr, const char *fmt, va_list ap)
+{
size_t str_m;
int str_l;
*ptr = NULL;
- { va_list ap2;
- va_copy(ap2, ap); /* don't consume the original ap, we'll need it again */
- str_l = portable_vsnprintf(NULL, (size_t)0, fmt, ap2);/*get required size*/
+ {
+ va_list ap2;
+ va_copy(ap2, ap); /* don't consume the original ap, we'll need it again */
+ str_l = portable_vsnprintf(NULL, (size_t) 0, fmt, ap2); /*get required size */
va_end(ap2);
}
- assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
- *ptr = (char *) malloc(str_m = (size_t)str_l + 1);
- if (*ptr == NULL) { errno = ENOMEM; str_l = -1; }
- else {
+ assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
+ *ptr = (char *) malloc(str_m = (size_t) str_l + 1);
+ if (*ptr == NULL) {
+ errno = ENOMEM;
+ str_l = -1;
+ } else {
int str_l2 = portable_vsnprintf(*ptr, str_m, fmt, ap);
assert(str_l2 == str_l);
}
#endif
#if defined(NEED_ASNPRINTF)
-int asnprintf (char **ptr, size_t str_m, const char *fmt, /*args*/ ...) {
+int asnprintf(char **ptr, size_t str_m, const char *fmt, /*args */ ...)
+{
va_list ap;
int str_l;
*ptr = NULL;
- va_start(ap, fmt); /* measure the required size */
- str_l = portable_vsnprintf(NULL, (size_t)0, fmt, ap);
+ va_start(ap, fmt); /* measure the required size */
+ str_l = portable_vsnprintf(NULL, (size_t) 0, fmt, ap);
va_end(ap);
- assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
- if ((size_t)str_l + 1 < str_m) str_m = (size_t)str_l + 1; /* truncate */
+ assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
+ if ((size_t) str_l + 1 < str_m)
+ str_m = (size_t) str_l + 1; /* truncate */
/* if str_m is 0, no buffer is allocated, just set *ptr to NULL */
- if (str_m == 0) { /* not interested in resulting string, just return size */
+ if (str_m == 0) { /* not interested in resulting string, just return size */
} else {
*ptr = (char *) malloc(str_m);
- if (*ptr == NULL) { errno = ENOMEM; str_l = -1; }
- else {
+ if (*ptr == NULL) {
+ errno = ENOMEM;
+ str_l = -1;
+ } else {
int str_l2;
va_start(ap, fmt);
str_l2 = portable_vsnprintf(*ptr, str_m, fmt, ap);
#endif
#if defined(NEED_VASNPRINTF)
-int vasnprintf (char **ptr, size_t str_m, const char *fmt, va_list ap) {
+int vasnprintf(char **ptr, size_t str_m, const char *fmt, va_list ap)
+{
int str_l;
*ptr = NULL;
- { va_list ap2;
- va_copy(ap2, ap); /* don't consume the original ap, we'll need it again */
- str_l = portable_vsnprintf(NULL, (size_t)0, fmt, ap2);/*get required size*/
+ {
+ va_list ap2;
+ va_copy(ap2, ap); /* don't consume the original ap, we'll need it again */
+ str_l = portable_vsnprintf(NULL, (size_t) 0, fmt, ap2); /*get required size */
va_end(ap2);
}
- assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
- if ((size_t)str_l + 1 < str_m) str_m = (size_t)str_l + 1; /* truncate */
+ assert(str_l >= 0); /* possible integer overflow if str_m > INT_MAX */
+ if ((size_t) str_l + 1 < str_m)
+ str_m = (size_t) str_l + 1; /* truncate */
/* if str_m is 0, no buffer is allocated, just set *ptr to NULL */
- if (str_m == 0) { /* not interested in resulting string, just return size */
+ if (str_m == 0) { /* not interested in resulting string, just return size */
} else {
*ptr = (char *) malloc(str_m);
- if (*ptr == NULL) { errno = ENOMEM; str_l = -1; }
- else {
+ if (*ptr == NULL) {
+ errno = ENOMEM;
+ str_l = -1;
+ } else {
int str_l2 = portable_vsnprintf(*ptr, str_m, fmt, ap);
assert(str_l2 == str_l);
}
#if !defined(HAVE_SNPRINTF) || defined(PREFER_PORTABLE_SNPRINTF)
#if !defined(NEED_SNPRINTF_ONLY)
-int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args*/ ...) {
+int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args */ ...)
+{
va_list ap;
int str_l;
#endif
#if defined(NEED_SNPRINTF_ONLY)
-int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args*/ ...) {
+int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args */ ...)
+{
#else
-int portable_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap) {
+int portable_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap)
+{
#endif
#if defined(NEED_SNPRINTF_ONLY)
size_t str_l = 0;
const char *p = fmt;
-/* In contrast with POSIX, the ISO C99 now says
- * that str can be NULL and str_m can be 0.
- * This is more useful than the old: if (str_m < 1) return -1; */
+ /* In contrast with POSIX, the ISO C99 now says
+ * that str can be NULL and str_m can be 0.
+ * This is more useful than the old: if (str_m < 1) return -1; */
#if defined(NEED_SNPRINTF_ONLY)
va_start(ap, fmt);
#endif
- if (!p) p = "";
+ if (!p)
+ p = "";
while (*p) {
if (*p != '%') {
- /* if (str_l < str_m) str[str_l++] = *p++; -- this would be sufficient */
- /* but the following code achieves better performance for cases
- * where format string is long and contains few conversions */
- const char *q = strchr(p+1,'%');
- size_t n = !q ? strlen(p) : (q-p);
+ /* if (str_l < str_m) str[str_l++] = *p++; -- this would be sufficient */
+ /* but the following code achieves better performance for cases
+ * where format string is long and contains few conversions */
+ const char *q = strchr(p + 1, '%');
+ size_t n = !q ? strlen(p) : (q - p);
if (str_l < str_m) {
- size_t avail = str_m-str_l;
- fast_memcpy(str+str_l, p, (n>avail?avail:n));
+ size_t avail = str_m - str_l;
+ fast_memcpy(str + str_l, p, (n > avail ? avail : n));
}
- p += n; str_l += n;
+ p += n;
+ str_l += n;
} else {
const char *starting_p;
size_t min_field_width = 0, precision = 0;
int zero_padding = 0, precision_specified = 0, justify_left = 0;
int alternate_form = 0, force_sign = 0;
- int space_for_positive = 1; /* If both the ' ' and '+' flags appear,
- the ' ' flag should be ignored. */
- char length_modifier = '\0'; /* allowed values: \0, h, l, L */
- char tmp[32];/* temporary buffer for simple numeric->string conversion */
+ int space_for_positive = 1; /* If both the ' ' and '+' flags appear,
+ the ' ' flag should be ignored. */
+ char length_modifier = '\0'; /* allowed values: \0, h, l, L */
+ char tmp[32]; /* temporary buffer for simple numeric->string conversion */
const char *str_arg; /* string address in case of string argument */
size_t str_arg_l; /* natural field width of arg without padding
and sign */
unsigned char uchar_arg;
- /* unsigned char argument value - only defined for c conversion.
- N.B. standard explicitly states the char argument for
- the c conversion is unsigned */
+ /* unsigned char argument value - only defined for c conversion.
+ N.B. standard explicitly states the char argument for
+ the c conversion is unsigned */
size_t number_of_zeros_to_pad = 0;
- /* number of zeros to be inserted for numeric conversions
- as required by the precision or minimal field width */
+ /* number of zeros to be inserted for numeric conversions
+ as required by the precision or minimal field width */
size_t zero_padding_insertion_ind = 0;
- /* index into tmp where zero padding is to be inserted */
+ /* index into tmp where zero padding is to be inserted */
char fmt_spec = '\0';
- /* current conversion specifier character */
+ /* current conversion specifier character */
- str_arg = credits;/* just to make compiler happy (defined but not used)*/
+ str_arg = credits; /* just to make compiler happy (defined but not used) */
str_arg = NULL;
- starting_p = p; p++; /* skip '%' */
- /* parse flags */
+ starting_p = p;
+ p++; /* skip '%' */
+ /* parse flags */
while (*p == '0' || *p == '-' || *p == '+' ||
*p == ' ' || *p == '#' || *p == '\'') {
switch (*p) {
- case '0': zero_padding = 1; break;
- case '-': justify_left = 1; break;
- case '+': force_sign = 1; space_for_positive = 0; break;
- case ' ': force_sign = 1;
- /* If both the ' ' and '+' flags appear, the ' ' flag should be ignored */
+ case '0':
+ zero_padding = 1;
+ break;
+ case '-':
+ justify_left = 1;
+ break;
+ case '+':
+ force_sign = 1;
+ space_for_positive = 0;
+ break;
+ case ' ':
+ force_sign = 1;
+ /* If both the ' ' and '+' flags appear, the ' ' flag should be ignored */
#ifdef PERL_COMPATIBLE
- /* ... but in Perl the last of ' ' and '+' applies */
- space_for_positive = 1;
+ /* ... but in Perl the last of ' ' and '+' applies */
+ space_for_positive = 1;
#endif
- break;
- case '#': alternate_form = 1; break;
- case '\'': break;
+ break;
+ case '#':
+ alternate_form = 1;
+ break;
+ case '\'':
+ break;
}
p++;
}
- /* If the '0' and '-' flags both appear, the '0' flag should be ignored. */
+ /* If the '0' and '-' flags both appear, the '0' flag should be ignored. */
- /* parse field width */
+ /* parse field width */
if (*p == '*') {
int j;
- p++; j = va_arg(ap, int);
- if (j >= 0) min_field_width = j;
- else { min_field_width = -j; justify_left = 1; }
- } else if (isdigit((int)(*p))) {
+ p++;
+ j = va_arg(ap, int);
+ if (j >= 0)
+ min_field_width = j;
+ else {
+ min_field_width = -j;
+ justify_left = 1;
+ }
+ } else if (isdigit((int) (*p))) {
/* size_t could be wider than unsigned int;
make sure we treat argument like common implementations do */
unsigned int uj = *p++ - '0';
- while (isdigit((int)(*p))) uj = 10*uj + (unsigned int)(*p++ - '0');
+ while (isdigit((int) (*p)))
+ uj = 10 * uj + (unsigned int) (*p++ - '0');
min_field_width = uj;
}
- /* parse precision */
+ /* parse precision */
if (*p == '.') {
- p++; precision_specified = 1;
+ p++;
+ precision_specified = 1;
if (*p == '*') {
int j = va_arg(ap, int);
p++;
- if (j >= 0) precision = j;
+ if (j >= 0)
+ precision = j;
else {
- precision_specified = 0; precision = 0;
- /* NOTE:
- * Solaris 2.6 man page claims that in this case the precision
- * should be set to 0. Digital Unix 4.0, HPUX 10 and BSD man page
- * claim that this case should be treated as unspecified precision,
- * which is what we do here.
- */
+ precision_specified = 0;
+ precision = 0;
+ /* NOTE:
+ * Solaris 2.6 man page claims that in this case the precision
+ * should be set to 0. Digital Unix 4.0, HPUX 10 and BSD man page
+ * claim that this case should be treated as unspecified precision,
+ * which is what we do here.
+ */
}
- } else if (isdigit((int)(*p))) {
+ } else if (isdigit((int) (*p))) {
/* size_t could be wider than unsigned int;
make sure we treat argument like common implementations do */
unsigned int uj = *p++ - '0';
- while (isdigit((int)(*p))) uj = 10*uj + (unsigned int)(*p++ - '0');
+ while (isdigit((int) (*p)))
+ uj = 10 * uj + (unsigned int) (*p++ - '0');
precision = uj;
}
}
- /* parse 'h', 'l' and 'll' length modifiers */
+ /* parse 'h', 'l' and 'll' length modifiers */
if (*p == 'h' || *p == 'l') {
- length_modifier = *p; p++;
- if (length_modifier == 'l' && *p == 'l') { /* double l = long long */
+ length_modifier = *p;
+ p++;
+ if (length_modifier == 'l' && *p == 'l') { /* double l = long long */
#ifdef SNPRINTF_LONGLONG_SUPPORT
- length_modifier = '2'; /* double l encoded as '2' */
+ length_modifier = '2'; /* double l encoded as '2' */
#else
- length_modifier = 'l'; /* treat it as a single 'l' */
+ length_modifier = 'l'; /* treat it as a single 'l' */
#endif
p++;
}
}
fmt_spec = *p;
- /* common synonyms: */
+ /* common synonyms: */
switch (fmt_spec) {
- case 'i': fmt_spec = 'd'; break;
- case 'D': fmt_spec = 'd'; length_modifier = 'l'; break;
- case 'U': fmt_spec = 'u'; length_modifier = 'l'; break;
- case 'O': fmt_spec = 'o'; length_modifier = 'l'; break;
- default: break;
+ case 'i':
+ fmt_spec = 'd';
+ break;
+ case 'D':
+ fmt_spec = 'd';
+ length_modifier = 'l';
+ break;
+ case 'U':
+ fmt_spec = 'u';
+ length_modifier = 'l';
+ break;
+ case 'O':
+ fmt_spec = 'o';
+ length_modifier = 'l';
+ break;
+ default:
+ break;
}
- /* get parameter value, do initial processing */
+ /* get parameter value, do initial processing */
switch (fmt_spec) {
- case '%': /* % behaves similar to 's' regarding flags and field widths */
- case 'c': /* c behaves similar to 's' regarding flags and field widths */
+ case '%': /* % behaves similar to 's' regarding flags and field widths */
+ case 'c': /* c behaves similar to 's' regarding flags and field widths */
case 's':
- length_modifier = '\0'; /* wint_t and wchar_t not supported */
- /* the result of zero padding flag with non-numeric conversion specifier*/
- /* is undefined. Solaris and HPUX 10 does zero padding in this case, */
- /* Digital Unix and Linux does not. */
+ length_modifier = '\0'; /* wint_t and wchar_t not supported */
+ /* the result of zero padding flag with non-numeric conversion specifier */
+ /* is undefined. Solaris and HPUX 10 does zero padding in this case, */
+ /* Digital Unix and Linux does not. */
#if !defined(SOLARIS_COMPATIBLE) && !defined(HPUX_COMPATIBLE)
- zero_padding = 0; /* turn zero padding off for string conversions */
+ zero_padding = 0; /* turn zero padding off for string conversions */
#endif
str_arg_l = 1;
switch (fmt_spec) {
case '%':
- str_arg = p; break;
- case 'c': {
- int j = va_arg(ap, int);
- uchar_arg = (unsigned char) j; /* standard demands unsigned char */
- str_arg = (const char *) &uchar_arg;
+ str_arg = p;
break;
- }
+ case 'c':{
+ int j = va_arg(ap, int);
+ uchar_arg = (unsigned char) j; /* standard demands unsigned char */
+ str_arg = (const char *) &uchar_arg;
+ break;
+ }
case 's':
str_arg = va_arg(ap, const char *);
- if (!str_arg) str_arg_l = 0;
- /* make sure not to address string beyond the specified precision !!! */
- else if (!precision_specified) str_arg_l = strlen(str_arg);
- /* truncate string if necessary as requested by precision */
- else if (precision == 0) str_arg_l = 0;
+ if (!str_arg)
+ str_arg_l = 0;
+ /* make sure not to address string beyond the specified precision !!! */
+ else if (!precision_specified)
+ str_arg_l = strlen(str_arg);
+ /* truncate string if necessary as requested by precision */
+ else if (precision == 0)
+ str_arg_l = 0;
else {
- /* memchr on HP does not like n > 2^31 !!! */
+ /* memchr on HP does not like n > 2^31 !!! */
char *q = (char *) memchr(str_arg, '\0',
- precision <= 0x7fffffff ? precision : 0x7fffffff);
- str_arg_l = !q ? precision : (q-str_arg);
+ precision <=
+ 0x7fffffff ? precision : 0x7fffffff);
+ str_arg_l = !q ? precision : (q - str_arg);
}
break;
- default: break;
+ default:
+ break;
}
break;
- case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': {
- /* NOTE: the u, o, x, X and p conversion specifiers imply
- the value is unsigned; d implies a signed value */
-
- int arg_sign = 0;
+ case 'd':
+ case 'u':
+ case 'o':
+ case 'x':
+ case 'X':
+ case 'p':{
+ /* NOTE: the u, o, x, X and p conversion specifiers imply
+ the value is unsigned; d implies a signed value */
+
+ int arg_sign = 0;
/* 0 if numeric argument is zero (or if pointer is NULL for 'p'),
- +1 if greater than zero (or nonzero for unsigned arguments),
- -1 if negative (unsigned argument is never negative) */
+ +1 if greater than zero (or nonzero for unsigned arguments),
+ -1 if negative (unsigned argument is never negative) */
- int int_arg = 0; unsigned int uint_arg = 0;
+ int int_arg = 0;
+ unsigned int uint_arg = 0;
/* only defined for length modifier h, or for no length modifiers */
- long int long_arg = 0; unsigned long int ulong_arg = 0;
+ long int long_arg = 0;
+ unsigned long int ulong_arg = 0;
/* only defined for length modifier l */
- void *ptr_arg = NULL;
+ void *ptr_arg = NULL;
/* pointer argument value -only defined for p conversion */
#ifdef SNPRINTF_LONGLONG_SUPPORT
- long long int long_long_arg = 0;
- unsigned long long int ulong_long_arg = 0;
+ long long int long_long_arg = 0;
+ unsigned long long int ulong_long_arg = 0;
/* only defined for length modifier ll */
#endif
- if (fmt_spec == 'p') {
- /* HPUX 10: An l, h, ll or L before any other conversion character
- * (other than d, i, u, o, x, or X) is ignored.
- * Digital Unix:
- * not specified, but seems to behave as HPUX does.
- * Solaris: If an h, l, or L appears before any other conversion
- * specifier (other than d, i, u, o, x, or X), the behavior
- * is undefined. (Actually %hp converts only 16-bits of address
- * and %llp treats address as 64-bit data which is incompatible
- * with (void *) argument on a 32-bit system).
- */
+ if (fmt_spec == 'p') {
+ /* HPUX 10: An l, h, ll or L before any other conversion character
+ * (other than d, i, u, o, x, or X) is ignored.
+ * Digital Unix:
+ * not specified, but seems to behave as HPUX does.
+ * Solaris: If an h, l, or L appears before any other conversion
+ * specifier (other than d, i, u, o, x, or X), the behavior
+ * is undefined. (Actually %hp converts only 16-bits of address
+ * and %llp treats address as 64-bit data which is incompatible
+ * with (void *) argument on a 32-bit system).
+ */
#ifdef SOLARIS_COMPATIBLE
# ifdef SOLARIS_BUG_COMPATIBLE
- /* keep length modifiers even if it represents 'll' */
+ /* keep length modifiers even if it represents 'll' */
# else
- if (length_modifier == '2') length_modifier = '\0';
+ if (length_modifier == '2')
+ length_modifier = '\0';
# endif
#else
- length_modifier = '\0';
+ length_modifier = '\0';
#endif
- ptr_arg = va_arg(ap, void *);
- if (ptr_arg != NULL) arg_sign = 1;
- } else if (fmt_spec == 'd') { /* signed */
- switch (length_modifier) {
- case '\0':
- case 'h':
- /* It is non-portable to specify a second argument of char or short
- * to va_arg, because arguments seen by the called function
- * are not char or short. C converts char and short arguments
- * to int before passing them to a function.
- */
- int_arg = va_arg(ap, int);
- if (int_arg > 0) arg_sign = 1;
- else if (int_arg < 0) arg_sign = -1;
- break;
- case 'l':
- long_arg = va_arg(ap, long int);
- if (long_arg > 0) arg_sign = 1;
- else if (long_arg < 0) arg_sign = -1;
- break;
+ ptr_arg = va_arg(ap, void *);
+ if (ptr_arg != NULL)
+ arg_sign = 1;
+ } else if (fmt_spec == 'd') { /* signed */
+ switch (length_modifier) {
+ case '\0':
+ case 'h':
+ /* It is non-portable to specify a second argument of char or short
+ * to va_arg, because arguments seen by the called function
+ * are not char or short. C converts char and short arguments
+ * to int before passing them to a function.
+ */
+ int_arg = va_arg(ap, int);
+ if (int_arg > 0)
+ arg_sign = 1;
+ else if (int_arg < 0)
+ arg_sign = -1;
+ break;
+ case 'l':
+ long_arg = va_arg(ap, long int);
+ if (long_arg > 0)
+ arg_sign = 1;
+ else if (long_arg < 0)
+ arg_sign = -1;
+ break;
#ifdef SNPRINTF_LONGLONG_SUPPORT
- case '2':
- long_long_arg = va_arg(ap, long long int);
- if (long_long_arg > 0) arg_sign = 1;
- else if (long_long_arg < 0) arg_sign = -1;
- break;
+ case '2':
+ long_long_arg = va_arg(ap, long long int);
+ if (long_long_arg > 0)
+ arg_sign = 1;
+ else if (long_long_arg < 0)
+ arg_sign = -1;
+ break;
#endif
- }
- } else { /* unsigned */
- switch (length_modifier) {
- case '\0':
- case 'h':
- uint_arg = va_arg(ap, unsigned int);
- if (uint_arg) arg_sign = 1;
- break;
- case 'l':
- ulong_arg = va_arg(ap, unsigned long int);
- if (ulong_arg) arg_sign = 1;
- break;
+ }
+ } else { /* unsigned */
+ switch (length_modifier) {
+ case '\0':
+ case 'h':
+ uint_arg = va_arg(ap, unsigned int);
+ if (uint_arg)
+ arg_sign = 1;
+ break;
+ case 'l':
+ ulong_arg = va_arg(ap, unsigned long int);
+ if (ulong_arg)
+ arg_sign = 1;
+ break;
#ifdef SNPRINTF_LONGLONG_SUPPORT
- case '2':
- ulong_long_arg = va_arg(ap, unsigned long long int);
- if (ulong_long_arg) arg_sign = 1;
- break;
+ case '2':
+ ulong_long_arg = va_arg(ap, unsigned long long int);
+ if (ulong_long_arg)
+ arg_sign = 1;
+ break;
#endif
+ }
}
- }
- str_arg = tmp; str_arg_l = 0;
- /* NOTE:
- * For d, i, u, o, x, and X conversions, if precision is specified,
- * the '0' flag should be ignored. This is so with Solaris 2.6,
- * Digital UNIX 4.0, HPUX 10, Linux, FreeBSD, NetBSD; but not with Perl.
- */
+ str_arg = tmp;
+ str_arg_l = 0;
+ /* NOTE:
+ * For d, i, u, o, x, and X conversions, if precision is specified,
+ * the '0' flag should be ignored. This is so with Solaris 2.6,
+ * Digital UNIX 4.0, HPUX 10, Linux, FreeBSD, NetBSD; but not with Perl.
+ */
#ifndef PERL_COMPATIBLE
- if (precision_specified) zero_padding = 0;
+ if (precision_specified)
+ zero_padding = 0;
#endif
- if (fmt_spec == 'd') {
- if (force_sign && arg_sign >= 0)
- tmp[str_arg_l++] = space_for_positive ? ' ' : '+';
- /* leave negative numbers for sprintf to handle,
- to avoid handling tricky cases like (short int)(-32768) */
+ if (fmt_spec == 'd') {
+ if (force_sign && arg_sign >= 0)
+ tmp[str_arg_l++] = space_for_positive ? ' ' : '+';
+ /* leave negative numbers for sprintf to handle,
+ to avoid handling tricky cases like (short int)(-32768) */
#ifdef LINUX_COMPATIBLE
- } else if (fmt_spec == 'p' && force_sign && arg_sign > 0) {
- tmp[str_arg_l++] = space_for_positive ? ' ' : '+';
+ } else if (fmt_spec == 'p' && force_sign && arg_sign > 0) {
+ tmp[str_arg_l++] = space_for_positive ? ' ' : '+';
#endif
- } else if (alternate_form) {
- if (arg_sign != 0 && (fmt_spec == 'x' || fmt_spec == 'X') )
- { tmp[str_arg_l++] = '0'; tmp[str_arg_l++] = fmt_spec; }
- /* alternate form should have no effect for p conversion, but ... */
+ } else if (alternate_form) {
+ if (arg_sign != 0 && (fmt_spec == 'x' || fmt_spec == 'X')) {
+ tmp[str_arg_l++] = '0';
+ tmp[str_arg_l++] = fmt_spec;
+ }
+ /* alternate form should have no effect for p conversion, but ... */
#ifdef HPUX_COMPATIBLE
- else if (fmt_spec == 'p'
- /* HPUX 10: for an alternate form of p conversion,
- * a nonzero result is prefixed by 0x. */
+ else if (fmt_spec == 'p'
+ /* HPUX 10: for an alternate form of p conversion,
+ * a nonzero result is prefixed by 0x. */
#ifndef HPUX_BUG_COMPATIBLE
- /* Actually it uses 0x prefix even for a zero value. */
- && arg_sign != 0
+ /* Actually it uses 0x prefix even for a zero value. */
+ && arg_sign != 0
#endif
- ) { tmp[str_arg_l++] = '0'; tmp[str_arg_l++] = 'x'; }
+ ) {
+ tmp[str_arg_l++] = '0';
+ tmp[str_arg_l++] = 'x';
+ }
#endif
- }
- zero_padding_insertion_ind = str_arg_l;
- if (!precision_specified) precision = 1; /* default precision is 1 */
- if (precision == 0 && arg_sign == 0
+ }
+ zero_padding_insertion_ind = str_arg_l;
+ if (!precision_specified)
+ precision = 1; /* default precision is 1 */
+ if (precision == 0 && arg_sign == 0
#if defined(HPUX_BUG_COMPATIBLE) || defined(LINUX_COMPATIBLE)
- && fmt_spec != 'p'
- /* HPUX 10 man page claims: With conversion character p the result of
- * converting a zero value with a precision of zero is a null string.
- * Actually HP returns all zeroes, and Linux returns "(nil)". */
+ && fmt_spec != 'p'
+ /* HPUX 10 man page claims: With conversion character p the result of
+ * converting a zero value with a precision of zero is a null string.
+ * Actually HP returns all zeroes, and Linux returns "(nil)". */
#endif
- ) {
- /* converted to null string */
- /* When zero value is formatted with an explicit precision 0,
- the resulting formatted string is empty (d, i, u, o, x, X, p). */
- } else {
- char f[5]; int f_l = 0;
- f[f_l++] = '%'; /* construct a simple format string for sprintf */
- if (!length_modifier) { }
- else if (length_modifier=='2') { f[f_l++] = 'l'; f[f_l++] = 'l'; }
- else f[f_l++] = length_modifier;
- f[f_l++] = fmt_spec; f[f_l++] = '\0';
- if (fmt_spec == 'p') str_arg_l += sprintf(tmp+str_arg_l, f, ptr_arg);
- else if (fmt_spec == 'd') { /* signed */
- switch (length_modifier) {
- case '\0':
- case 'h': str_arg_l+=sprintf(tmp+str_arg_l, f, int_arg); break;
- case 'l': str_arg_l+=sprintf(tmp+str_arg_l, f, long_arg); break;
+ ) {
+ /* converted to null string */
+ /* When zero value is formatted with an explicit precision 0,
+ the resulting formatted string is empty (d, i, u, o, x, X, p). */
+ } else {
+ char f[5];
+ int f_l = 0;
+ f[f_l++] = '%'; /* construct a simple format string for sprintf */
+ if (!length_modifier) {
+ } else if (length_modifier == '2') {
+ f[f_l++] = 'l';
+ f[f_l++] = 'l';
+ } else
+ f[f_l++] = length_modifier;
+ f[f_l++] = fmt_spec;
+ f[f_l++] = '\0';
+ if (fmt_spec == 'p')
+ str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg);
+ else if (fmt_spec == 'd') { /* signed */
+ switch (length_modifier) {
+ case '\0':
+ case 'h':
+ str_arg_l += sprintf(tmp + str_arg_l, f, int_arg);
+ break;
+ case 'l':
+ str_arg_l += sprintf(tmp + str_arg_l, f, long_arg);
+ break;
#ifdef SNPRINTF_LONGLONG_SUPPORT
- case '2': str_arg_l+=sprintf(tmp+str_arg_l,f,long_long_arg); break;
+ case '2':
+ str_arg_l += sprintf(tmp + str_arg_l, f, long_long_arg);
+ break;
#endif
- }
- } else { /* unsigned */
- switch (length_modifier) {
- case '\0':
- case 'h': str_arg_l+=sprintf(tmp+str_arg_l, f, uint_arg); break;
- case 'l': str_arg_l+=sprintf(tmp+str_arg_l, f, ulong_arg); break;
+ }
+ } else { /* unsigned */
+ switch (length_modifier) {
+ case '\0':
+ case 'h':
+ str_arg_l += sprintf(tmp + str_arg_l, f, uint_arg);
+ break;
+ case 'l':
+ str_arg_l += sprintf(tmp + str_arg_l, f, ulong_arg);
+ break;
#ifdef SNPRINTF_LONGLONG_SUPPORT
- case '2': str_arg_l+=sprintf(tmp+str_arg_l,f,ulong_long_arg);break;
+ case '2':
+ str_arg_l += sprintf(tmp + str_arg_l, f, ulong_long_arg);
+ break;
#endif
+ }
+ }
+ /* include the optional minus sign and possible "0x"
+ in the region before the zero padding insertion point */
+ if (zero_padding_insertion_ind < str_arg_l &&
+ tmp[zero_padding_insertion_ind] == '-') {
+ zero_padding_insertion_ind++;
+ }
+ if (zero_padding_insertion_ind + 1 < str_arg_l &&
+ tmp[zero_padding_insertion_ind] == '0' &&
+ (tmp[zero_padding_insertion_ind + 1] == 'x' ||
+ tmp[zero_padding_insertion_ind + 1] == 'X')) {
+ zero_padding_insertion_ind += 2;
}
}
- /* include the optional minus sign and possible "0x"
- in the region before the zero padding insertion point */
- if (zero_padding_insertion_ind < str_arg_l &&
- tmp[zero_padding_insertion_ind] == '-') {
- zero_padding_insertion_ind++;
- }
- if (zero_padding_insertion_ind+1 < str_arg_l &&
- tmp[zero_padding_insertion_ind] == '0' &&
- (tmp[zero_padding_insertion_ind+1] == 'x' ||
- tmp[zero_padding_insertion_ind+1] == 'X') ) {
- zero_padding_insertion_ind += 2;
- }
- }
- { size_t num_of_digits = str_arg_l - zero_padding_insertion_ind;
- if (alternate_form && fmt_spec == 'o'
-#ifdef HPUX_COMPATIBLE /* ("%#.o",0) -> "" */
- && (str_arg_l > 0)
+ {
+ size_t num_of_digits = str_arg_l - zero_padding_insertion_ind;
+ if (alternate_form && fmt_spec == 'o'
+#ifdef HPUX_COMPATIBLE /* ("%#.o",0) -> "" */
+ && (str_arg_l > 0)
#endif
-#ifdef DIGITAL_UNIX_BUG_COMPATIBLE /* ("%#o",0) -> "00" */
+#ifdef DIGITAL_UNIX_BUG_COMPATIBLE /* ("%#o",0) -> "00" */
#else
- /* unless zero is already the first character */
- && !(zero_padding_insertion_ind < str_arg_l
- && tmp[zero_padding_insertion_ind] == '0')
+ /* unless zero is already the first character */
+ && !(zero_padding_insertion_ind < str_arg_l
+ && tmp[zero_padding_insertion_ind] == '0')
#endif
- ) { /* assure leading zero for alternate-form octal numbers */
- if (!precision_specified || precision < num_of_digits+1) {
- /* precision is increased to force the first character to be zero,
- except if a zero value is formatted with an explicit precision
- of zero */
- precision = num_of_digits+1; precision_specified = 1;
+ ) { /* assure leading zero for alternate-form octal numbers */
+ if (!precision_specified || precision < num_of_digits + 1) {
+ /* precision is increased to force the first character to be zero,
+ except if a zero value is formatted with an explicit precision
+ of zero */
+ precision = num_of_digits + 1;
+ precision_specified = 1;
+ }
}
+ /* zero padding to specified precision? */
+ if (num_of_digits < precision)
+ number_of_zeros_to_pad = precision - num_of_digits;
}
- /* zero padding to specified precision? */
- if (num_of_digits < precision)
- number_of_zeros_to_pad = precision - num_of_digits;
- }
- /* zero padding to specified minimal field width? */
- if (!justify_left && zero_padding) {
- int n = min_field_width - (str_arg_l+number_of_zeros_to_pad);
- if (n > 0) number_of_zeros_to_pad += n;
+ /* zero padding to specified minimal field width? */
+ if (!justify_left && zero_padding) {
+ int n = min_field_width - (str_arg_l + number_of_zeros_to_pad);
+ if (n > 0)
+ number_of_zeros_to_pad += n;
+ }
+ break;
}
- break;
- }
- default: /* unrecognized conversion specifier, keep format string as-is*/
- zero_padding = 0; /* turn zero padding off for non-numeric convers. */
+ default: /* unrecognized conversion specifier, keep format string as-is */
+ zero_padding = 0; /* turn zero padding off for non-numeric convers. */
#ifndef DIGITAL_UNIX_COMPATIBLE
- justify_left = 1; min_field_width = 0; /* reset flags */
+ justify_left = 1;
+ min_field_width = 0; /* reset flags */
#endif
#if defined(PERL_COMPATIBLE) || defined(LINUX_COMPATIBLE)
- /* keep the entire format string unchanged */
- str_arg = starting_p; str_arg_l = p - starting_p;
- /* well, not exactly so for Linux, which does something inbetween,
- * and I don't feel an urge to imitate it: "%+++++hy" -> "%+y" */
+ /* keep the entire format string unchanged */
+ str_arg = starting_p;
+ str_arg_l = p - starting_p;
+ /* well, not exactly so for Linux, which does something inbetween,
+ * and I don't feel an urge to imitate it: "%+++++hy" -> "%+y" */
#else
- /* discard the unrecognized conversion, just keep *
- * the unrecognized conversion character */
- str_arg = p; str_arg_l = 0;
+ /* discard the unrecognized conversion, just keep *
+ * the unrecognized conversion character */
+ str_arg = p;
+ str_arg_l = 0;
#endif
- if (*p) str_arg_l++; /* include invalid conversion specifier unchanged
- if not at end-of-string */
+ if (*p)
+ str_arg_l++; /* include invalid conversion specifier unchanged
+ if not at end-of-string */
break;
}
- if (*p) p++; /* step over the just processed conversion specifier */
- /* insert padding to the left as requested by min_field_width;
- this does not include the zero padding in case of numerical conversions*/
- if (!justify_left) { /* left padding with blank or zero */
- int n = min_field_width - (str_arg_l+number_of_zeros_to_pad);
+ if (*p)
+ p++; /* step over the just processed conversion specifier */
+ /* insert padding to the left as requested by min_field_width;
+ this does not include the zero padding in case of numerical conversions */
+ if (!justify_left) { /* left padding with blank or zero */
+ int n = min_field_width - (str_arg_l + number_of_zeros_to_pad);
if (n > 0) {
if (str_l < str_m) {
- int avail = str_m-str_l;
- fast_memset(str+str_l, (zero_padding?'0':' '), (n>avail?avail:n));
+ int avail = str_m - str_l;
+ fast_memset(str + str_l, (zero_padding ? '0' : ' '),
+ (n > avail ? avail : n));
}
str_l += n;
}
}
- /* zero padding as requested by the precision or by the minimal field width
- * for numeric conversions required? */
+ /* zero padding as requested by the precision or by the minimal field width
+ * for numeric conversions required? */
if (number_of_zeros_to_pad <= 0) {
- /* will not copy first part of numeric right now, *
- * force it to be copied later in its entirety */
+ /* will not copy first part of numeric right now, *
+ * force it to be copied later in its entirety */
zero_padding_insertion_ind = 0;
} else {
- /* insert first part of numerics (sign or '0x') before zero padding */
+ /* insert first part of numerics (sign or '0x') before zero padding */
int n = zero_padding_insertion_ind;
if (n > 0) {
if (str_l < str_m) {
- int avail = str_m-str_l;
- fast_memcpy(str+str_l, str_arg, (n>avail?avail:n));
+ int avail = str_m - str_l;
+ fast_memcpy(str + str_l, str_arg, (n > avail ? avail : n));
}
str_l += n;
}
- /* insert zero padding as requested by the precision or min field width */
+ /* insert zero padding as requested by the precision or min field width */
n = number_of_zeros_to_pad;
if (n > 0) {
if (str_l < str_m) {
- int avail = str_m-str_l;
- fast_memset(str+str_l, '0', (n>avail?avail:n));
+ int avail = str_m - str_l;
+ fast_memset(str + str_l, '0', (n > avail ? avail : n));
}
str_l += n;
}
}
- /* insert formatted string
- * (or as-is conversion specifier for unknown conversions) */
- { int n = str_arg_l - zero_padding_insertion_ind;
+ /* insert formatted string
+ * (or as-is conversion specifier for unknown conversions) */
+ {
+ int n = str_arg_l - zero_padding_insertion_ind;
if (n > 0) {
if (str_l < str_m) {
- int avail = str_m-str_l;
- fast_memcpy(str+str_l, str_arg+zero_padding_insertion_ind,
- (n>avail?avail:n));
+ int avail = str_m - str_l;
+ fast_memcpy(str + str_l, str_arg + zero_padding_insertion_ind,
+ (n > avail ? avail : n));
}
str_l += n;
}
}
- /* insert right padding */
- if (justify_left) { /* right blank padding to the field width */
- int n = min_field_width - (str_arg_l+number_of_zeros_to_pad);
+ /* insert right padding */
+ if (justify_left) { /* right blank padding to the field width */
+ int n = min_field_width - (str_arg_l + number_of_zeros_to_pad);
if (n > 0) {
if (str_l < str_m) {
- int avail = str_m-str_l;
- fast_memset(str+str_l, ' ', (n>avail?avail:n));
+ int avail = str_m - str_l;
+ fast_memset(str + str_l, ' ', (n > avail ? avail : n));
}
str_l += n;
}
#if defined(NEED_SNPRINTF_ONLY)
va_end(ap);
#endif
- if (str_m > 0) { /* make sure the string is null-terminated
- even at the expense of overwriting the last character
- (shouldn't happen, but just in case) */
- str[str_l <= str_m-1 ? str_l : str_m-1] = '\0';
+ if (str_m > 0) { /* make sure the string is null-terminated
+ even at the expense of overwriting the last character
+ (shouldn't happen, but just in case) */
+ str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0';
}
/* Return the number of characters formatted (excluding trailing null
* character), that is, the number of characters that would have been
#endif
-/* FIXME: better place */
+ /* FIXME: better place */
#include "xbt/sysdep.h"
-char *bprintf(const char*fmt, ...) {
+char *bprintf(const char *fmt, ...)
+{
va_list ap;
char *res;
-
+ int len;
+
va_start(ap, fmt);
-
-
- vasprintf(&res,fmt,ap);
-
+
+ len = vasprintf(&res, fmt, ap);
+
va_end(ap);
return res;
}
