+2003-01-30 Bruno Haible <bruno@clisp.org>
+
+ * modules/vasnprintf, modules/vasprintf: New modules.
+ * MODULES.html.sh (func_all_modules): Add them.
+
2003-01-29 Bruno Haible <bruno@clisp.org>
* modules/stpncpy: New module.
func_begin_table
func_module unlocked-io
- #func_module vasnprintf
- #func_module vasprintf
+ func_module vasnprintf
+ func_module vasprintf
func_end_table
element="Command-line arguments"
+2003-01-30 Bruno Haible <bruno@clisp.org>
+
+ * printf-args.h: New file, from GNU gettext.
+ * printf-args.c: New file, from GNU gettext.
+ * printf-parse.h: New file, from GNU gettext.
+ * printf-parse.c: New file, from GNU gettext.
+ * vasnprintf.h: New file, from GNU gettext.
+ * vasnprintf.c: New file, from GNU gettext.
+ * asnprintf.c: New file, from GNU gettext.
+ * vasprintf.h: New file, from GNU gettext with modifications.
+ * vasprintf.c: New file, from GNU gettext.
+ * asprintf.c: New file, from GNU gettext.
+
2003-01-29 Bruno Haible <bruno@clisp.org>
* stpncpy.h: New file, from GNU gettext with modifications.
--- /dev/null
+/* Formatted output to strings.
+ Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include "vasnprintf.h"
+
+#include <stdarg.h>
+
+char *
+asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+{
+ va_list args;
+ char *result;
+
+ va_start (args, format);
+ result = vasnprintf (resultbuf, lengthp, format, args);
+ va_end (args);
+ return result;
+}
--- /dev/null
+/* Formatted output to strings.
+ Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include "vasprintf.h"
+
+#include <stdarg.h>
+
+int
+asprintf (char **resultp, const char *format, ...)
+{
+ va_list args;
+ int result;
+
+ va_start (args, format);
+ result = vasprintf (resultp, format, args);
+ va_end (args);
+ return result;
+}
--- /dev/null
+/* Decomposed printf argument list.
+ Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include "printf-args.h"
+
+#ifdef STATIC
+STATIC
+#endif
+int
+printf_fetchargs (va_list args, arguments *a)
+{
+ unsigned int i;
+ argument *ap;
+
+ for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
+ switch (ap->type)
+ {
+ case TYPE_SCHAR:
+ ap->a.a_schar = va_arg (args, /*signed char*/ int);
+ break;
+ case TYPE_UCHAR:
+ ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
+ break;
+ case TYPE_SHORT:
+ ap->a.a_short = va_arg (args, /*short*/ int);
+ break;
+ case TYPE_USHORT:
+ ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
+ break;
+ case TYPE_INT:
+ ap->a.a_int = va_arg (args, int);
+ break;
+ case TYPE_UINT:
+ ap->a.a_uint = va_arg (args, unsigned int);
+ break;
+ case TYPE_LONGINT:
+ ap->a.a_longint = va_arg (args, long int);
+ break;
+ case TYPE_ULONGINT:
+ ap->a.a_ulongint = va_arg (args, unsigned long int);
+ break;
+#ifdef HAVE_LONG_LONG
+ case TYPE_LONGLONGINT:
+ ap->a.a_longlongint = va_arg (args, long long int);
+ break;
+ case TYPE_ULONGLONGINT:
+ ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
+ break;
+#endif
+ case TYPE_DOUBLE:
+ ap->a.a_double = va_arg (args, double);
+ break;
+#ifdef HAVE_LONG_DOUBLE
+ case TYPE_LONGDOUBLE:
+ ap->a.a_longdouble = va_arg (args, long double);
+ break;
+#endif
+ case TYPE_CHAR:
+ ap->a.a_char = va_arg (args, int);
+ break;
+#ifdef HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+ ap->a.a_wide_char = va_arg (args, wint_t);
+ break;
+#endif
+ case TYPE_STRING:
+ ap->a.a_string = va_arg (args, const char *);
+ break;
+#ifdef HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+ ap->a.a_wide_string = va_arg (args, const wchar_t *);
+ break;
+#endif
+ case TYPE_POINTER:
+ ap->a.a_pointer = va_arg (args, void *);
+ break;
+ case TYPE_COUNT_SCHAR_POINTER:
+ ap->a.a_count_schar_pointer = va_arg (args, signed char *);
+ break;
+ case TYPE_COUNT_SHORT_POINTER:
+ ap->a.a_count_short_pointer = va_arg (args, short *);
+ break;
+ case TYPE_COUNT_INT_POINTER:
+ ap->a.a_count_int_pointer = va_arg (args, int *);
+ break;
+ case TYPE_COUNT_LONGINT_POINTER:
+ ap->a.a_count_longint_pointer = va_arg (args, long int *);
+ break;
+#ifdef HAVE_LONG_LONG
+ case TYPE_COUNT_LONGLONGINT_POINTER:
+ ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
+ break;
+#endif
+ default:
+ /* Unknown type. */
+ return -1;
+ }
+ return 0;
+}
--- /dev/null
+/* Decomposed printf argument list.
+ Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifndef _PRINTF_ARGS_H
+#define _PRINTF_ARGS_H
+
+/* Get wchar_t. */
+#ifdef HAVE_WCHAR_T
+# include <stddef.h>
+#endif
+
+/* Get wint_t. */
+#ifdef HAVE_WINT_T
+# include <wchar.h>
+#endif
+
+/* Get va_list. */
+#include <stdarg.h>
+
+
+/* Argument types */
+typedef enum
+{
+ TYPE_NONE,
+ TYPE_SCHAR,
+ TYPE_UCHAR,
+ TYPE_SHORT,
+ TYPE_USHORT,
+ TYPE_INT,
+ TYPE_UINT,
+ TYPE_LONGINT,
+ TYPE_ULONGINT,
+#ifdef HAVE_LONG_LONG
+ TYPE_LONGLONGINT,
+ TYPE_ULONGLONGINT,
+#endif
+ TYPE_DOUBLE,
+#ifdef HAVE_LONG_DOUBLE
+ TYPE_LONGDOUBLE,
+#endif
+ TYPE_CHAR,
+#ifdef HAVE_WINT_T
+ TYPE_WIDE_CHAR,
+#endif
+ TYPE_STRING,
+#ifdef HAVE_WCHAR_T
+ TYPE_WIDE_STRING,
+#endif
+ TYPE_POINTER,
+ TYPE_COUNT_SCHAR_POINTER,
+ TYPE_COUNT_SHORT_POINTER,
+ TYPE_COUNT_INT_POINTER,
+ TYPE_COUNT_LONGINT_POINTER
+#ifdef HAVE_LONG_LONG
+, TYPE_COUNT_LONGLONGINT_POINTER
+#endif
+} arg_type;
+
+/* Polymorphic argument */
+typedef struct
+{
+ arg_type type;
+ union
+ {
+ signed char a_schar;
+ unsigned char a_uchar;
+ short a_short;
+ unsigned short a_ushort;
+ int a_int;
+ unsigned int a_uint;
+ long int a_longint;
+ unsigned long int a_ulongint;
+#ifdef HAVE_LONG_LONG
+ long long int a_longlongint;
+ unsigned long long int a_ulonglongint;
+#endif
+ float a_float;
+ double a_double;
+#ifdef HAVE_LONG_DOUBLE
+ long double a_longdouble;
+#endif
+ int a_char;
+#ifdef HAVE_WINT_T
+ wint_t a_wide_char;
+#endif
+ const char* a_string;
+#ifdef HAVE_WCHAR_T
+ const wchar_t* a_wide_string;
+#endif
+ void* a_pointer;
+ signed char * a_count_schar_pointer;
+ short * a_count_short_pointer;
+ int * a_count_int_pointer;
+ long int * a_count_longint_pointer;
+#ifdef HAVE_LONG_LONG
+ long long int * a_count_longlongint_pointer;
+#endif
+ }
+ a;
+}
+argument;
+
+typedef struct
+{
+ unsigned int count;
+ argument *arg;
+}
+arguments;
+
+
+/* Fetch the arguments, putting them into a. */
+#ifdef STATIC
+STATIC
+#else
+extern
+#endif
+int printf_fetchargs (va_list args, arguments *a);
+
+#endif /* _PRINTF_ARGS_H */
--- /dev/null
+/* Formatted output to strings.
+ Copyright (C) 1999-2000, 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include "printf-parse.h"
+
+/* Get size_t, NULL. */
+#include <stddef.h>
+
+/* Get intmax_t. */
+#if HAVE_STDINT_H_WITH_UINTMAX
+# include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H_WITH_UINTMAX
+# include <inttypes.h>
+#endif
+
+/* malloc(), realloc(), free(). */
+#include <stdlib.h>
+
+#ifdef STATIC
+STATIC
+#endif
+int
+printf_parse (const char *format, char_directives *d, arguments *a)
+{
+ const char *cp = format; /* pointer into format */
+ int arg_posn = 0; /* number of regular arguments consumed */
+ unsigned int d_allocated; /* allocated elements of d->dir */
+ unsigned int a_allocated; /* allocated elements of a->arg */
+ unsigned int max_width_length = 0;
+ unsigned int max_precision_length = 0;
+
+ d->count = 0;
+ d_allocated = 1;
+ d->dir = malloc (d_allocated * sizeof (char_directive));
+ if (d->dir == NULL)
+ /* Out of memory. */
+ return -1;
+
+ a->count = 0;
+ a_allocated = 0;
+ a->arg = NULL;
+
+#define REGISTER_ARG(_index_,_type_) \
+ { \
+ unsigned int n = (_index_); \
+ if (n >= a_allocated) \
+ { \
+ argument *memory; \
+ a_allocated = 2 * a_allocated; \
+ if (a_allocated <= n) \
+ a_allocated = n + 1; \
+ memory = (a->arg \
+ ? realloc (a->arg, a_allocated * sizeof (argument)) \
+ : malloc (a_allocated * sizeof (argument))); \
+ if (memory == NULL) \
+ /* Out of memory. */ \
+ goto error; \
+ a->arg = memory; \
+ } \
+ while (a->count <= n) \
+ a->arg[a->count++].type = TYPE_NONE; \
+ if (a->arg[n].type == TYPE_NONE) \
+ a->arg[n].type = (_type_); \
+ else if (a->arg[n].type != (_type_)) \
+ /* Ambiguous type for positional argument. */ \
+ goto error; \
+ }
+
+ while (*cp != '\0')
+ {
+ char c = *cp++;
+ if (c == '%')
+ {
+ int arg_index = -1;
+ char_directive *dp = &d->dir[d->count];/* pointer to next directive */
+
+ /* Initialize the next directive. */
+ dp->dir_start = cp - 1;
+ dp->flags = 0;
+ dp->width_start = NULL;
+ dp->width_end = NULL;
+ dp->width_arg_index = -1;
+ dp->precision_start = NULL;
+ dp->precision_end = NULL;
+ dp->precision_arg_index = -1;
+ dp->arg_index = -1;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const char *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ unsigned int n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = 10 * n + (*np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+
+ /* Read the flags. */
+ for (;;)
+ {
+ if (*cp == '\'')
+ {
+ dp->flags |= FLAG_GROUP;
+ cp++;
+ }
+ else if (*cp == '-')
+ {
+ dp->flags |= FLAG_LEFT;
+ cp++;
+ }
+ else if (*cp == '+')
+ {
+ dp->flags |= FLAG_SHOWSIGN;
+ cp++;
+ }
+ else if (*cp == ' ')
+ {
+ dp->flags |= FLAG_SPACE;
+ cp++;
+ }
+ else if (*cp == '#')
+ {
+ dp->flags |= FLAG_ALT;
+ cp++;
+ }
+ else if (*cp == '0')
+ {
+ dp->flags |= FLAG_ZERO;
+ cp++;
+ }
+ else
+ break;
+ }
+
+ /* Parse the field width. */
+ if (*cp == '*')
+ {
+ dp->width_start = cp;
+ cp++;
+ dp->width_end = cp;
+ if (max_width_length < 1)
+ max_width_length = 1;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const char *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ unsigned int n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = 10 * n + (*np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ dp->width_arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+ if (dp->width_arg_index < 0)
+ dp->width_arg_index = arg_posn++;
+ REGISTER_ARG (dp->width_arg_index, TYPE_INT);
+ }
+ else if (*cp >= '0' && *cp <= '9')
+ {
+ unsigned int width_length;
+
+ dp->width_start = cp;
+ for (; *cp >= '0' && *cp <= '9'; cp++)
+ ;
+ dp->width_end = cp;
+ width_length = dp->width_end - dp->width_start;
+ if (max_width_length < width_length)
+ max_width_length = width_length;
+ }
+
+ /* Parse the precision. */
+ if (*cp == '.')
+ {
+ cp++;
+ if (*cp == '*')
+ {
+ dp->precision_start = cp - 1;
+ cp++;
+ dp->precision_end = cp;
+ if (max_precision_length < 2)
+ max_precision_length = 2;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const char *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ unsigned int n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = 10 * n + (*np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ dp->precision_arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+ if (dp->precision_arg_index < 0)
+ dp->precision_arg_index = arg_posn++;
+ REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
+ }
+ else
+ {
+ unsigned int precision_length;
+
+ dp->precision_start = cp - 1;
+ for (; *cp >= '0' && *cp <= '9'; cp++)
+ ;
+ dp->precision_end = cp;
+ precision_length = dp->precision_end - dp->precision_start;
+ if (max_precision_length < precision_length)
+ max_precision_length = precision_length;
+ }
+ }
+
+ {
+ arg_type type;
+
+ /* Parse argument type/size specifiers. */
+ {
+ int flags = 0;
+
+ for (;;)
+ {
+ if (*cp == 'h')
+ {
+ flags |= (1 << (flags & 1));
+ cp++;
+ }
+ else if (*cp == 'L')
+ {
+ flags |= 4;
+ cp++;
+ }
+ else if (*cp == 'l')
+ {
+ flags += 8;
+ cp++;
+ }
+#ifdef HAVE_INTMAX_T
+ else if (*cp == 'j')
+ {
+ if (sizeof (intmax_t) > sizeof (long))
+ {
+ /* intmax_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (intmax_t) > sizeof (int))
+ {
+ /* intmax_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+#endif
+ else if (*cp == 'z' || *cp == 'Z')
+ {
+ /* 'z' is standardized in ISO C 99, but glibc uses 'Z'
+ because the warning facility in gcc-2.95.2 understands
+ only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
+ if (sizeof (size_t) > sizeof (long))
+ {
+ /* size_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (size_t) > sizeof (int))
+ {
+ /* size_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+ else if (*cp == 't')
+ {
+ if (sizeof (ptrdiff_t) > sizeof (long))
+ {
+ /* ptrdiff_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (ptrdiff_t) > sizeof (int))
+ {
+ /* ptrdiff_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+ else
+ break;
+ }
+
+ /* Read the conversion character. */
+ c = *cp++;
+ switch (c)
+ {
+ case 'd': case 'i':
+#ifdef HAVE_LONG_LONG
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_LONGLONGINT;
+ else
+#endif
+ if (flags >= 8)
+ type = TYPE_LONGINT;
+ else if (flags & 2)
+ type = TYPE_SCHAR;
+ else if (flags & 1)
+ type = TYPE_SHORT;
+ else
+ type = TYPE_INT;
+ break;
+ case 'o': case 'u': case 'x': case 'X':
+#ifdef HAVE_LONG_LONG
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_ULONGLONGINT;
+ else
+#endif
+ if (flags >= 8)
+ type = TYPE_ULONGINT;
+ else if (flags & 2)
+ type = TYPE_UCHAR;
+ else if (flags & 1)
+ type = TYPE_USHORT;
+ else
+ type = TYPE_UINT;
+ break;
+ case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
+ case 'a': case 'A':
+#ifdef HAVE_LONG_DOUBLE
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_LONGDOUBLE;
+ else
+#endif
+ type = TYPE_DOUBLE;
+ break;
+ case 'c':
+ if (flags >= 8)
+#ifdef HAVE_WINT_T
+ type = TYPE_WIDE_CHAR;
+#else
+ goto error;
+#endif
+ else
+ type = TYPE_CHAR;
+ break;
+#ifdef HAVE_WINT_T
+ case 'C':
+ type = TYPE_WIDE_CHAR;
+ c = 'c';
+ break;
+#endif
+ case 's':
+ if (flags >= 8)
+#ifdef HAVE_WCHAR_T
+ type = TYPE_WIDE_STRING;
+#else
+ goto error;
+#endif
+ else
+ type = TYPE_STRING;
+ break;
+#ifdef HAVE_WCHAR_T
+ case 'S':
+ type = TYPE_WIDE_STRING;
+ c = 's';
+ break;
+#endif
+ case 'p':
+ type = TYPE_POINTER;
+ break;
+ case 'n':
+#ifdef HAVE_LONG_LONG
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_COUNT_LONGLONGINT_POINTER;
+ else
+#endif
+ if (flags >= 8)
+ type = TYPE_COUNT_LONGINT_POINTER;
+ else if (flags & 2)
+ type = TYPE_COUNT_SCHAR_POINTER;
+ else if (flags & 1)
+ type = TYPE_COUNT_SHORT_POINTER;
+ else
+ type = TYPE_COUNT_INT_POINTER;
+ break;
+ case '%':
+ type = TYPE_NONE;
+ break;
+ default:
+ /* Unknown conversion character. */
+ goto error;
+ }
+ }
+
+ if (type != TYPE_NONE)
+ {
+ dp->arg_index = arg_index;
+ if (dp->arg_index < 0)
+ dp->arg_index = arg_posn++;
+ REGISTER_ARG (dp->arg_index, type);
+ }
+ dp->conversion = c;
+ dp->dir_end = cp;
+ }
+
+ d->count++;
+ if (d->count >= d_allocated)
+ {
+ char_directive *memory;
+
+ d_allocated = 2 * d_allocated;
+ memory = realloc (d->dir, d_allocated * sizeof (char_directive));
+ if (memory == NULL)
+ /* Out of memory. */
+ goto error;
+ d->dir = memory;
+ }
+ }
+ }
+ d->dir[d->count].dir_start = cp;
+
+ d->max_width_length = max_width_length;
+ d->max_precision_length = max_precision_length;
+ return 0;
+
+error:
+ if (a->arg)
+ free (a->arg);
+ if (d->dir)
+ free (d->dir);
+ return -1;
+}
--- /dev/null
+/* Parse printf format string.
+ Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifndef _PRINTF_PARSE_H
+#define _PRINTF_PARSE_H
+
+#include "printf-args.h"
+
+
+/* Flags */
+#define FLAG_GROUP 1 /* ' flag */
+#define FLAG_LEFT 2 /* - flag */
+#define FLAG_SHOWSIGN 4 /* + flag */
+#define FLAG_SPACE 8 /* space flag */
+#define FLAG_ALT 16 /* # flag */
+#define FLAG_ZERO 32
+
+/* A parsed directive. */
+typedef struct
+{
+ const char* dir_start;
+ const char* dir_end;
+ int flags;
+ const char* width_start;
+ const char* width_end;
+ int width_arg_index;
+ const char* precision_start;
+ const char* precision_end;
+ int precision_arg_index;
+ char conversion; /* d i o u x X f e E g G c s p n U % but not C S */
+ int arg_index;
+}
+char_directive;
+
+/* A parsed format string. */
+typedef struct
+{
+ unsigned int count;
+ char_directive *dir;
+ unsigned int max_width_length;
+ unsigned int max_precision_length;
+}
+char_directives;
+
+
+/* Parses the format string. Fills in the number N of directives, and fills
+ in directives[0], ..., directives[N-1], and sets directives[N].dir_start
+ to the end of the format string. Also fills in the arg_type fields of the
+ arguments and the needed count of arguments. */
+#ifdef STATIC
+STATIC
+#else
+extern
+#endif
+int printf_parse (const char *format, char_directives *d, arguments *a);
+
+#endif /* _PRINTF_PARSE_H */
--- /dev/null
+/* vsprintf with automatic memory allocation.
+ Copyright (C) 1999, 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+/* Tell glibc's <stdio.h> to provide a prototype for snprintf().
+ This must come before <config.h> because <config.h> may include
+ <features.h>, and once <features.h> has been included, it's too late. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+#include <alloca.h>
+
+/* Specification. */
+#include "vasnprintf.h"
+
+#include <stdio.h> /* snprintf(), sprintf() */
+#include <stdlib.h> /* abort(), malloc(), realloc(), free() */
+#include <string.h> /* memcpy(), strlen() */
+#include <errno.h> /* errno */
+#include <limits.h> /* CHAR_BIT */
+#include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */
+#include "printf-parse.h"
+
+/* For those losing systems which don't have 'alloca' we have to add
+ some additional code emulating it. */
+#ifdef HAVE_ALLOCA
+# define freea(p) /* nothing */
+#else
+# define alloca(n) malloc (n)
+# define freea(p) free (p)
+#endif
+
+char *
+vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
+{
+ char_directives d;
+ arguments a;
+
+ if (printf_parse (format, &d, &a) < 0)
+ {
+ errno = EINVAL;
+ return NULL;
+ }
+
+#define CLEANUP() \
+ free (d.dir); \
+ if (a.arg) \
+ free (a.arg);
+
+ if (printf_fetchargs (args, &a) < 0)
+ {
+ CLEANUP ();
+ errno = EINVAL;
+ return NULL;
+ }
+
+ {
+ char *buf =
+ (char *) alloca (7 + d.max_width_length + d.max_precision_length + 6);
+ const char *cp;
+ unsigned int i;
+ char_directive *dp;
+ /* Output string accumulator. */
+ char *result;
+ size_t allocated;
+ size_t length;
+
+ if (resultbuf != NULL)
+ {
+ result = resultbuf;
+ allocated = *lengthp;
+ }
+ else
+ {
+ result = NULL;
+ allocated = 0;
+ }
+ length = 0;
+ /* Invariants:
+ result is either == resultbuf or == NULL or malloc-allocated.
+ If length > 0, then result != NULL. */
+
+#define ENSURE_ALLOCATION(needed) \
+ if ((needed) > allocated) \
+ { \
+ char *memory; \
+ \
+ allocated = (allocated > 0 ? 2 * allocated : 12); \
+ if ((needed) > allocated) \
+ allocated = (needed); \
+ if (result == resultbuf || result == NULL) \
+ memory = (char *) malloc (allocated); \
+ else \
+ memory = (char *) realloc (result, allocated); \
+ \
+ if (memory == NULL) \
+ { \
+ if (!(result == resultbuf || result == NULL)) \
+ free (result); \
+ freea (buf); \
+ CLEANUP (); \
+ errno = ENOMEM; \
+ return NULL; \
+ } \
+ if (result == resultbuf && length > 0) \
+ memcpy (memory, result, length); \
+ result = memory; \
+ }
+
+ for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++)
+ {
+ if (cp != dp->dir_start)
+ {
+ size_t n = dp->dir_start - cp;
+
+ ENSURE_ALLOCATION (length + n);
+ memcpy (result + length, cp, n);
+ length += n;
+ }
+ if (i == d.count)
+ break;
+
+ /* Execute a single directive. */
+ if (dp->conversion == '%')
+ {
+ if (!(dp->arg_index < 0))
+ abort ();
+ ENSURE_ALLOCATION (length + 1);
+ result[length] = '%';
+ length += 1;
+ }
+ else
+ {
+ if (!(dp->arg_index >= 0))
+ abort ();
+
+ if (dp->conversion == 'n')
+ {
+ switch (a.arg[dp->arg_index].type)
+ {
+ case TYPE_COUNT_SCHAR_POINTER:
+ *a.arg[dp->arg_index].a.a_count_schar_pointer = length;
+ break;
+ case TYPE_COUNT_SHORT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_short_pointer = length;
+ break;
+ case TYPE_COUNT_INT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_int_pointer = length;
+ break;
+ case TYPE_COUNT_LONGINT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_longint_pointer = length;
+ break;
+#ifdef HAVE_LONG_LONG
+ case TYPE_COUNT_LONGLONGINT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length;
+ break;
+#endif
+ default:
+ abort ();
+ }
+ }
+ else
+ {
+ arg_type type = a.arg[dp->arg_index].type;
+ char *p;
+ unsigned int prefix_count;
+ int prefixes[2];
+#if !HAVE_SNPRINTF
+ unsigned int tmp_length;
+ char tmpbuf[700];
+ char *tmp;
+
+ /* Allocate a temporary buffer of sufficient size for calling
+ sprintf. */
+ {
+ unsigned int width;
+ unsigned int precision;
+
+ width = 0;
+ if (dp->width_start != dp->width_end)
+ {
+ if (dp->width_arg_index >= 0)
+ {
+ int arg;
+
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->width_arg_index].a.a_int;
+ width = (arg < 0 ? -arg : arg);
+ }
+ else
+ {
+ const char *digitp = dp->width_start;
+
+ do
+ width = width * 10 + (*digitp++ - '0');
+ while (digitp != dp->width_end);
+ }
+ }
+
+ precision = 6;
+ if (dp->precision_start != dp->precision_end)
+ {
+ if (dp->precision_arg_index >= 0)
+ {
+ int arg;
+
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->precision_arg_index].a.a_int;
+ precision = (arg < 0 ? 0 : arg);
+ }
+ else
+ {
+ const char *digitp = dp->precision_start + 1;
+
+ precision = 0;
+ do
+ precision = precision * 10 + (*digitp++ - '0');
+ while (digitp != dp->precision_end);
+ }
+ }
+
+ switch (dp->conversion)
+ {
+
+ case 'd': case 'i': case 'u':
+# ifdef HAVE_LONG_LONG
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ break;
+
+ case 'o':
+# ifdef HAVE_LONG_LONG
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1 /* turn floor into ceil */
+ + 1; /* account for leading sign */
+ break;
+
+ case 'x': case 'X':
+# ifdef HAVE_LONG_LONG
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1 /* turn floor into ceil */
+ + 2; /* account for leading sign or alternate form */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1 /* turn floor into ceil */
+ + 2; /* account for leading sign or alternate form */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1 /* turn floor into ceil */
+ + 2; /* account for leading sign or alternate form */
+ break;
+
+ case 'f': case 'F':
+# ifdef HAVE_LONG_DOUBLE
+ if (type == TYPE_LONGDOUBLE)
+ tmp_length =
+ (unsigned int) (LDBL_MAX_EXP
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + precision
+ + 10; /* sign, decimal point etc. */
+ else
+# endif
+ tmp_length =
+ (unsigned int) (DBL_MAX_EXP
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + precision
+ + 10; /* sign, decimal point etc. */
+ break;
+
+ case 'e': case 'E': case 'g': case 'G':
+ case 'a': case 'A':
+ tmp_length =
+ precision
+ + 12; /* sign, decimal point, exponent etc. */
+ break;
+
+ case 'c':
+# ifdef HAVE_WINT_T
+ if (type == TYPE_WIDE_CHAR)
+ tmp_length = MB_CUR_MAX;
+ else
+# endif
+ tmp_length = 1;
+ break;
+
+ case 's':
+# ifdef HAVE_WCHAR_T
+ if (type == TYPE_WIDE_STRING)
+ tmp_length =
+ wcslen (a.arg[dp->arg_index].a.a_wide_string)
+ * MB_CUR_MAX;
+ else
+# endif
+ tmp_length = strlen (a.arg[dp->arg_index].a.a_string);
+ break;
+
+ case 'p':
+ tmp_length =
+ (unsigned int) (sizeof (void *) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1 /* turn floor into ceil */
+ + 2; /* account for leading 0x */
+ break;
+
+ default:
+ abort ();
+ }
+
+ if (tmp_length < width)
+ tmp_length = width;
+
+ tmp_length++; /* account for trailing NUL */
+ }
+
+ if (tmp_length <= sizeof (tmpbuf))
+ tmp = tmpbuf;
+ else
+ {
+ tmp = (char *) malloc (tmp_length);
+ if (tmp == NULL)
+ {
+ /* Out of memory. */
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ freea (buf);
+ CLEANUP ();
+ errno = ENOMEM;
+ return NULL;
+ }
+ }
+#endif
+
+ /* Construct the format string for calling snprintf or
+ sprintf. */
+ p = buf;
+ *p++ = '%';
+ if (dp->flags & FLAG_GROUP)
+ *p++ = '\'';
+ if (dp->flags & FLAG_LEFT)
+ *p++ = '-';
+ if (dp->flags & FLAG_SHOWSIGN)
+ *p++ = '+';
+ if (dp->flags & FLAG_SPACE)
+ *p++ = ' ';
+ if (dp->flags & FLAG_ALT)
+ *p++ = '#';
+ if (dp->flags & FLAG_ZERO)
+ *p++ = '0';
+ if (dp->width_start != dp->width_end)
+ {
+ size_t n = dp->width_end - dp->width_start;
+ memcpy (p, dp->width_start, n);
+ p += n;
+ }
+ if (dp->precision_start != dp->precision_end)
+ {
+ size_t n = dp->precision_end - dp->precision_start;
+ memcpy (p, dp->precision_start, n);
+ p += n;
+ }
+
+ switch (type)
+ {
+#ifdef HAVE_LONG_LONG
+ case TYPE_LONGLONGINT:
+ case TYPE_ULONGLONGINT:
+ *p++ = 'l';
+ /*FALLTHROUGH*/
+#endif
+ case TYPE_LONGINT:
+ case TYPE_ULONGINT:
+#ifdef HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+#endif
+#ifdef HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+#endif
+ *p++ = 'l';
+ break;
+#ifdef HAVE_LONG_DOUBLE
+ case TYPE_LONGDOUBLE:
+ *p++ = 'L';
+ break;
+#endif
+ default:
+ break;
+ }
+ *p = dp->conversion;
+#if HAVE_SNPRINTF
+ p[1] = '%';
+ p[2] = 'n';
+ p[3] = '\0';
+#else
+ p[1] = '\0';
+#endif
+
+ /* Construct the arguments for calling snprintf or sprintf. */
+ prefix_count = 0;
+ if (dp->width_arg_index >= 0)
+ {
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int;
+ }
+ if (dp->precision_arg_index >= 0)
+ {
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int;
+ }
+
+#if HAVE_SNPRINTF
+ /* Prepare checking whether snprintf returns the count
+ via %n. */
+ ENSURE_ALLOCATION (length + 1);
+ result[length] = '\0';
+#endif
+
+ for (;;)
+ {
+ size_t maxlen;
+ int count;
+ int retcount;
+
+ maxlen = allocated - length;
+ count = -1;
+ retcount = 0;
+
+#if HAVE_SNPRINTF
+#define SNPRINTF_BUF(arg) \
+ switch (prefix_count) \
+ { \
+ case 0: \
+ retcount = snprintf (result + length, maxlen, buf, \
+ arg, &count); \
+ break; \
+ case 1: \
+ retcount = snprintf (result + length, maxlen, buf, \
+ prefixes[0], arg, &count); \
+ break; \
+ case 2: \
+ retcount = snprintf (result + length, maxlen, buf, \
+ prefixes[0], prefixes[1], arg, \
+ &count); \
+ break; \
+ default: \
+ abort (); \
+ }
+#else
+#define SNPRINTF_BUF(arg) \
+ switch (prefix_count) \
+ { \
+ case 0: \
+ count = sprintf (tmp, buf, arg); \
+ break; \
+ case 1: \
+ count = sprintf (tmp, buf, prefixes[0], arg); \
+ break; \
+ case 2: \
+ count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
+ arg); \
+ break; \
+ default: \
+ abort (); \
+ }
+#endif
+
+ switch (type)
+ {
+ case TYPE_SCHAR:
+ {
+ int arg = a.arg[dp->arg_index].a.a_schar;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_UCHAR:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_uchar;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_SHORT:
+ {
+ int arg = a.arg[dp->arg_index].a.a_short;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_USHORT:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_ushort;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_INT:
+ {
+ int arg = a.arg[dp->arg_index].a.a_int;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_UINT:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_uint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_LONGINT:
+ {
+ long int arg = a.arg[dp->arg_index].a.a_longint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_ULONGINT:
+ {
+ unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#ifdef HAVE_LONG_LONG
+ case TYPE_LONGLONGINT:
+ {
+ long long int arg = a.arg[dp->arg_index].a.a_longlongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_ULONGLONGINT:
+ {
+ unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_DOUBLE:
+ {
+ double arg = a.arg[dp->arg_index].a.a_double;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#ifdef HAVE_LONG_DOUBLE
+ case TYPE_LONGDOUBLE:
+ {
+ long double arg = a.arg[dp->arg_index].a.a_longdouble;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_CHAR:
+ {
+ int arg = a.arg[dp->arg_index].a.a_char;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#ifdef HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+ {
+ wint_t arg = a.arg[dp->arg_index].a.a_wide_char;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_STRING:
+ {
+ const char *arg = a.arg[dp->arg_index].a.a_string;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#ifdef HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+ {
+ const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_POINTER:
+ {
+ void *arg = a.arg[dp->arg_index].a.a_pointer;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ default:
+ abort ();
+ }
+
+#if HAVE_SNPRINTF
+ /* Portability: Not all implementations of snprintf()
+ are ISO C 99 compliant. Determine the number of
+ bytes that snprintf() has produced or would have
+ produced. */
+ if (count >= 0)
+ {
+ /* Verify that snprintf() has NUL-terminated its
+ result. */
+ if (count < maxlen && result[length + count] != '\0')
+ abort ();
+ /* Portability hack. */
+ if (retcount > count)
+ count = retcount;
+ }
+ else
+ {
+ /* snprintf() doesn't understand the '%n'
+ directive. */
+ if (p[1] != '\0')
+ {
+ /* Don't use the '%n' directive; instead, look
+ at the snprintf() return value. */
+ p[1] = '\0';
+ continue;
+ }
+ count = retcount;
+ }
+#endif
+
+ /* Attempt to handle failure. */
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ freea (buf);
+ CLEANUP ();
+ errno = EINVAL;
+ return NULL;
+ }
+
+#if !HAVE_SNPRINTF
+ if (count >= tmp_length)
+ /* tmp_length was incorrectly calculated - fix the
+ code above! */
+ abort ();
+#endif
+
+ /* Make room for the result. */
+ if (count >= maxlen)
+ {
+ /* Need at least count bytes. But allocate
+ proportionally, to avoid looping eternally if
+ snprintf() reports a too small count. */
+ size_t n = length + count;
+
+ if (n < 2 * allocated)
+ n = 2 * allocated;
+
+ ENSURE_ALLOCATION (n);
+#if HAVE_SNPRINTF
+ continue;
+#endif
+ }
+
+#if HAVE_SNPRINTF
+ /* The snprintf() result did fit. */
+#else
+ /* Append the sprintf() result. */
+ memcpy (result + length, tmp, count);
+ if (tmp != tmpbuf)
+ free (tmp);
+#endif
+
+ length += count;
+ break;
+ }
+ }
+ }
+ }
+
+ /* Add the final NUL. */
+ ENSURE_ALLOCATION (length + 1);
+ result[length] = '\0';
+
+ if (result != resultbuf && length + 1 < allocated)
+ {
+ /* Shrink the allocated memory if possible. */
+ char *memory;
+
+ memory = (char *) realloc (result, length + 1);
+ if (memory != NULL)
+ result = memory;
+ }
+
+ freea (buf);
+ CLEANUP ();
+ *lengthp = length;
+ return result;
+ }
+}
--- /dev/null
+/* vsprintf with automatic memory allocation.
+ Copyright (C) 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifndef _VASNPRINTF_H
+#define _VASNPRINTF_H
+
+/* Get va_list. */
+#include <stdarg.h>
+
+/* Get size_t. */
+#include <stddef.h>
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc().
+ You can pass a preallocated buffer for the result in RESULTBUF and its
+ size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
+ If successful, return the address of the string (this may be = RESULTBUF
+ if no dynamic memory allocation was necessary) and set *LENGTHP to the
+ number of resulting bytes, excluding the trailing NUL. Upon error, set
+ errno and return NULL. */
+extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _VASNPRINTF_H */
--- /dev/null
+/* Formatted output to strings.
+ Copyright (C) 1999, 2002 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Specification. */
+#include "vasprintf.h"
+
+#include "vasnprintf.h"
+
+int
+vasprintf (char **resultp, const char *format, va_list args)
+{
+ size_t length;
+ char *result = vasnprintf (NULL, &length, format, args);
+ if (result == NULL)
+ return -1;
+ *resultp = result;
+ /* Return the number of resulting bytes, excluding the trailing NUL. */
+ return length;
+}
--- /dev/null
+/* vsprintf with automatic memory allocation.
+ Copyright (C) 2002-2003 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library General Public License as published
+ by the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ USA. */
+
+#ifndef _VASPRINTF_H
+#define _VASPRINTF_H
+
+#if HAVE_VASPRINTF
+
+/* Get asprintf(), vasprintf() declarations. */
+#include <stdio.h>
+
+#else
+
+/* Get va_list. */
+#include <stdarg.h>
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc().
+ If the memory allocation succeeds, store the address of the string in
+ *RESULT and return the number of resulting bytes, excluding the trailing
+ NUL. Upon memory allocation error, or some other error, return -1. */
+extern int asprintf (char **result, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+extern int vasprintf (char **result, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif /* _VASPRINTF_H */
+2003-01-30 Bruno Haible <bruno@clisp.org>
+
+ * signed.m4: New file, from GNU gettext.
+ * longdouble.m4: New file, from GNU gettext.
+ * wchar_t.m4: New file, from GNU gettext.
+ * wint_t.m4: New file, from GNU gettext.
+ * vasnprintf.m4: New file.
+ * vasprintf.m4: New file.
+
2003-01-29 Bruno Haible <bruno@clisp.org>
* stpncpy.m4: New file.
--- /dev/null
+# longdouble.m4 serial 1 (gettext-0.11.6)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether the compiler supports the 'long double' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_LONGDOUBLE],
+[
+ AC_CACHE_CHECK([for long double], gt_cv_c_long_double,
+ [if test "$GCC" = yes; then
+ gt_cv_c_long_double=yes
+ else
+ AC_TRY_COMPILE([
+ /* The Stardent Vistra knows sizeof(long double), but does not support it. */
+ long double foo = 0.0;
+ /* On Ultrix 4.3 cc, long double is 4 and double is 8. */
+ int array [2*(sizeof(long double) >= sizeof(double)) - 1];
+ ], ,
+ gt_cv_c_long_double=yes, gt_cv_c_long_double=no)
+ fi])
+ if test $gt_cv_c_long_double = yes; then
+ AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the 'long double' type.])
+ fi
+])
--- /dev/null
+# signed.m4 serial 1 (gettext-0.10.40)
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([bh_C_SIGNED],
+[
+ AC_CACHE_CHECK([for signed], bh_cv_c_signed,
+ [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
+ if test $bh_cv_c_signed = no; then
+ AC_DEFINE(signed, ,
+ [Define to empty if the C compiler doesn't support this keyword.])
+ fi
+])
--- /dev/null
+# vasnprintf.m4 serial 1
+dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_FUNC_VASNPRINTF],
+[
+ AC_REPLACE_FUNCS(vasnprintf)
+ if test $ac_cv_func_vasnprintf = no; then
+ AC_LIBOBJ(printf-args)
+ AC_LIBOBJ(printf-parse)
+ AC_LIBOBJ(asnprintf)
+ gl_PREREQ_PRINTF_ARGS
+ gl_PREREQ_PRINTF_PARSE
+ gl_PREREQ_VASNPRINTF
+ gl_PREREQ_ASNPRINTF
+ fi
+])
+
+# Prequisites of lib/printf-args.h, lib/printf-args.c.
+AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
+[
+ AC_REQUIRE([bh_C_SIGNED])
+ AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
+ AC_REQUIRE([gt_TYPE_LONGDOUBLE])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+])
+
+# Prequisites of lib/printf-parse.h, lib/printf-parse.c.
+AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
+[
+ AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
+ AC_REQUIRE([gt_TYPE_LONGDOUBLE])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+ AC_REQUIRE([AC_TYPE_SIZE_T])
+ AC_CHECK_TYPES(ptrdiff_t)
+ AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
+])
+
+# Prerequisites of lib/vasnprintf.c.
+AC_DEFUN([gl_PREREQ_VASNPRINTF],
+[
+ AC_REQUIRE([AC_FUNC_ALLOCA])
+ AC_REQUIRE([jm_AC_TYPE_LONG_LONG])
+ AC_REQUIRE([gt_TYPE_LONGDOUBLE])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+ AC_CHECK_FUNCS(snprintf)
+])
+
+# Prerequisites of lib/asnprintf.c.
+AC_DEFUN([gl_PREREQ_ASNPRINTF],
+[
+])
--- /dev/null
+# vasprintf.m4 serial 1
+dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_FUNC_VASPRINTF],
+[
+ AC_REPLACE_FUNCS(vasprintf)
+ if test $ac_cv_func_vasprintf = no; then
+ AC_LIBOBJ(asprintf)
+ gl_PREREQ_VASPRINTF
+ gl_PREREQ_ASPRINTF
+ fi
+])
+
+# Prerequisites of lib/vasprintf.c.
+AC_DEFUN([gl_PREREQ_VASPRINTF],
+[
+])
+
+# Prerequisites of lib/asprintf.c.
+AC_DEFUN([gl_PREREQ_ASPRINTF],
+[
+])
--- /dev/null
+# wchar_t.m4 serial 1 (gettext-0.11.6)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether <stddef.h> has the 'wchar_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WCHAR_T],
+[
+ AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
+ [AC_TRY_COMPILE([#include <stddef.h>
+ wchar_t foo = (wchar_t)'\0';], ,
+ gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
+ if test $gt_cv_c_wchar_t = yes; then
+ AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
+ fi
+])
--- /dev/null
+# wint_t.m4 serial 1
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+dnl Test whether <wchar.h> has the 'wint_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WINT_T],
+[
+ AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
+ [AC_TRY_COMPILE([#include <wchar.h>
+ wint_t foo = (wchar_t)'\0';], ,
+ gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
+ if test $gt_cv_c_wint_t = yes; then
+ AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
+ fi
+])
--- /dev/null
+Description:
+vsprintf with automatic memory allocation and bounded output size.
+
+Files:
+lib/printf-args.h
+lib/printf-args.c
+lib/printf-parse.h
+lib/printf-parse.c
+lib/vasnprintf.h
+lib/vasnprintf.c
+lib/asnprintf.c
+m4/signed.m4
+m4/longdouble.m4
+m4/wchar_t.m4
+m4/wint_t.m4
+m4/longlong.m4
+m4/intmax_t.m4
+m4/vasnprintf.m4
+
+Depends-on:
+alloca
+
+configure.ac:
+gl_FUNC_VASNPRINTF
+
+Makefile.am:
+lib_SOURCES += printf-args.h printf-parse.h vasnprintf.h
+
+Include:
+"vasnprintf.h"
+
+Maintainer:
+Bruno Haible
+
--- /dev/null
+Description:
+vsprintf with automatic memory allocation.
+
+Files:
+lib/vasprintf.h
+lib/vasprintf.c
+lib/asprintf.c
+m4/vasprintf.m4
+
+Depends-on:
+vasnprintf
+
+configure.ac:
+gl_FUNC_VASPRINTF
+
+Makefile.am:
+lib_SOURCES += vasprintf.h
+
+Include:
+"vasprintf.h"
+
+Maintainer:
+Bruno Haible
+
projects / gnulib.git / commitdiff