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Christian Grothoff committed 2008-09-11 02:56:50 +00:00
1 parent fac89fd011
commit d6ca58fa60
5 files changed
+9 -1024
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src/daemon/https/lgl/Makefile.am
+9 -10
View File
@@ -12,19 +12,18 @@ liblgl_la_LDFLAGS = -lgcrypt
# liblgl_la_LIBADD = ./gc-libgcrypt.lo
liblgl_la_SOURCES = \
sha1.c \
sha1.c sha1.h \
gc-libgcrypt.c \
time_r.c \
rijndael-api-fst.c \
gc-pbkdf2-sha1.c \
read-file.c \
rijndael-alg-fst.c \
hmac-md5.c \
gc-pbkdf2-sha1.c gc.h \
read-file.c read-file.h \
rijndael-alg-fst.c rijndael-alg-fst.h \
hmac-md5.c hmac.h \
hmac-sha1.c \
realloc.c \
memxor.c \
memxor.c memxor.h\
memmem.c \
strverscmp.c \
md5.c \
des.c
strverscmp.c strverscmp.h \
md5.c md5.h \
des.c des.h
src/daemon/https/lgl/printf-args.h
-152
View File
@@ -1,152 +0,0 @@
/* Decomposed printf argument list.
Copyright (C) 1999, 2002-2003, 2006-2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _PRINTF_ARGS_H
#define _PRINTF_ARGS_H
/* This file can be parametrized with the following macros:
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
PRINTF_FETCHARGS Name of the function to be declared.
STATIC Set to 'static' to declare the function static. */
/* Default parameters. */
#ifndef PRINTF_FETCHARGS
# define PRINTF_FETCHARGS printf_fetchargs
#endif
/* Get size_t. */
#include <stddef.h>
/* Get wchar_t. */
#if HAVE_WCHAR_T
# include <stddef.h>
#endif
/* Get wint_t. */
#if 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,
#if HAVE_LONG_LONG_INT
TYPE_LONGLONGINT,
TYPE_ULONGLONGINT,
#endif
TYPE_DOUBLE,
TYPE_LONGDOUBLE,
TYPE_CHAR,
#if HAVE_WINT_T
TYPE_WIDE_CHAR,
#endif
TYPE_STRING,
#if 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
#if HAVE_LONG_LONG_INT
, TYPE_COUNT_LONGLONGINT_POINTER
#endif
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
, TYPE_U8_STRING, TYPE_U16_STRING, TYPE_U32_STRING
#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;
#if HAVE_LONG_LONG_INT
long long int a_longlongint;
unsigned long long int a_ulonglongint;
#endif
float a_float;
double a_double;
long double a_longdouble;
int a_char;
#if HAVE_WINT_T
wint_t a_wide_char;
#endif
const char *a_string;
#if 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;
#if HAVE_LONG_LONG_INT
long long int *a_count_longlongint_pointer;
#endif
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
const uint8_t *a_u8_string;
const uint16_t *a_u16_string;
const uint32_t *a_u32_string;
#endif
}
a;
}
argument;
typedef struct
{
size_t 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 */
src/daemon/https/lgl/printf-parse.c
-599
View File
@@ -1,599 +0,0 @@
/* Formatted output to strings.
Copyright (C) 1999-2000, 2002-2003, 2006-2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* This file can be parametrized with the following macros:
CHAR_T The element type of the format string.
CHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
in the format string are ASCII.
DIRECTIVE Structure denoting a format directive.
Depends on CHAR_T.
DIRECTIVES Structure denoting the set of format directives of a
format string. Depends on CHAR_T.
PRINTF_PARSE Function that parses a format string.
Depends on CHAR_T.
STATIC Set to 'static' to declare the function static.
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. */
#ifndef PRINTF_PARSE
#include "MHD_config.h"
#endif
/* Specification. */
#ifndef PRINTF_PARSE
# include "printf-parse.h"
#endif
/* Default parameters. */
#ifndef PRINTF_PARSE
# define PRINTF_PARSE printf_parse
# define CHAR_T char
# define DIRECTIVE char_directive
# define DIRECTIVES char_directives
#endif
/* Get size_t, NULL. */
#include <stddef.h>
/* Get intmax_t. */
#if defined IN_LIBINTL || defined IN_LIBASPRINTF
# if HAVE_STDINT_H_WITH_UINTMAX
# include <stdint.h>
# endif
# if HAVE_INTTYPES_H_WITH_UINTMAX
# include <inttypes.h>
# endif
#else
# include <stdint.h>
#endif
/* malloc(), realloc(), free(). */
#include <stdlib.h>
/* errno. */
#include <errno.h>
/* Checked size_t computations. */
#include "xsize.h"
#if CHAR_T_ONLY_ASCII
/* c_isascii(). */
# include "c-ctype.h"
#endif
#ifdef STATIC
STATIC
#endif
int
PRINTF_PARSE (const CHAR_T * format, DIRECTIVES * d, arguments * a)
{
const CHAR_T *cp = format; /* pointer into format */
size_t arg_posn = 0; /* number of regular arguments consumed */
size_t d_allocated; /* allocated elements of d->dir */
size_t a_allocated; /* allocated elements of a->arg */
size_t max_width_length = 0;
size_t max_precision_length = 0;
d->count = 0;
d_allocated = 1;
d->dir = (DIRECTIVE *) malloc (d_allocated * sizeof (DIRECTIVE));
if (d->dir == NULL)
/* Out of memory. */
goto out_of_memory_1;
a->count = 0;
a_allocated = 0;
a->arg = NULL;
#define REGISTER_ARG(_index_,_type_) \
{ \
size_t n = (_index_); \
if (n >= a_allocated) \
{ \
size_t memory_size; \
argument *memory; \
\
a_allocated = xtimes (a_allocated, 2); \
if (a_allocated <= n) \
a_allocated = xsum (n, 1); \
memory_size = xtimes (a_allocated, sizeof (argument)); \
if (size_overflow_p (memory_size)) \
/* Overflow, would lead to out of memory. */ \
goto out_of_memory; \
memory = (argument *) (a->arg \
? realloc (a->arg, memory_size) \
: malloc (memory_size)); \
if (memory == NULL) \
/* Out of memory. */ \
goto out_of_memory; \
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_T c = *cp++;
if (c == '%')
{
size_t arg_index = ARG_NONE;
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 = ARG_NONE;
dp->precision_start = NULL;
dp->precision_end = NULL;
dp->precision_arg_index = ARG_NONE;
dp->arg_index = ARG_NONE;
/* Test for positional argument. */
if (*cp >= '0' && *cp <= '9')
{
const CHAR_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory later. */
goto error;
arg_index = n - 1;
cp = np + 1;
}
}
/* Read the flags. */
for (;;)
{
if (*cp == '\'')
{
dp->flags |= FLAG_GROUP;
cp++;
}
else if (*cp == '-')
{
dp->flags |= FLAG_LEFT;
cp++;
}
else if (*cp == '+')
{
dp->flags |= FLAG_SHOWSIGN;
cp++;
}
else if (*cp == ' ')
{
dp->flags |= FLAG_SPACE;
cp++;
}
else if (*cp == '#')
{
dp->flags |= FLAG_ALT;
cp++;
}
else if (*cp == '0')
{
dp->flags |= FLAG_ZERO;
cp++;
}
else
break;
}
/* Parse the field width. */
if (*cp == '*')
{
dp->width_start = cp;
cp++;
dp->width_end = cp;
if (max_width_length < 1)
max_width_length = 1;
/* Test for positional argument. */
if (*cp >= '0' && *cp <= '9')
{
const CHAR_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory later. */
goto error;
dp->width_arg_index = n - 1;
cp = np + 1;
}
}
if (dp->width_arg_index == ARG_NONE)
{
dp->width_arg_index = arg_posn++;
if (dp->width_arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->width_arg_index, TYPE_INT);
}
else if (*cp >= '0' && *cp <= '9')
{
size_t 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_T *np;
for (np = cp; *np >= '0' && *np <= '9'; np++)
;
if (*np == '$')
{
size_t n = 0;
for (np = cp; *np >= '0' && *np <= '9'; np++)
n = xsum (xtimes (n, 10), *np - '0');
if (n == 0)
/* Positional argument 0. */
goto error;
if (size_overflow_p (n))
/* n too large, would lead to out of memory
later. */
goto error;
dp->precision_arg_index = n - 1;
cp = np + 1;
}
}
if (dp->precision_arg_index == ARG_NONE)
{
dp->precision_arg_index = arg_posn++;
if (dp->precision_arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
}
else
{
size_t 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++;
}
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++;
}
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':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_LONGLONGINT;
else
#endif
/* If 'long long' exists and is the same as 'long', we parse
"lld" into TYPE_LONGINT. */
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':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_ULONGLONGINT;
else
#endif
/* If 'unsigned long long' exists and is the same as
'unsigned long', we parse "llu" into TYPE_ULONGINT. */
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':
if (flags >= 16 || (flags & 4))
type = TYPE_LONGDOUBLE;
else
type = TYPE_DOUBLE;
break;
case 'c':
if (flags >= 8)
#if HAVE_WINT_T
type = TYPE_WIDE_CHAR;
#else
goto error;
#endif
else
type = TYPE_CHAR;
break;
#if HAVE_WINT_T
case 'C':
type = TYPE_WIDE_CHAR;
c = 'c';
break;
#endif
case 's':
if (flags >= 8)
#if HAVE_WCHAR_T
type = TYPE_WIDE_STRING;
#else
goto error;
#endif
else
type = TYPE_STRING;
break;
#if HAVE_WCHAR_T
case 'S':
type = TYPE_WIDE_STRING;
c = 's';
break;
#endif
case 'p':
type = TYPE_POINTER;
break;
case 'n':
#if HAVE_LONG_LONG_INT
/* If 'long long' exists and is larger than 'long': */
if (flags >= 16 || (flags & 4))
type = TYPE_COUNT_LONGLONGINT_POINTER;
else
#endif
/* If 'long long' exists and is the same as 'long', we parse
"lln" into TYPE_COUNT_LONGINT_POINTER. */
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;
#if ENABLE_UNISTDIO
/* The unistdio extensions. */
case 'U':
if (flags >= 16)
type = TYPE_U32_STRING;
else if (flags >= 8)
type = TYPE_U16_STRING;
else
type = TYPE_U8_STRING;
break;
#endif
case '%':
type = TYPE_NONE;
break;
default:
/* Unknown conversion character. */
goto error;
}
}
if (type != TYPE_NONE)
{
dp->arg_index = arg_index;
if (dp->arg_index == ARG_NONE)
{
dp->arg_index = arg_posn++;
if (dp->arg_index == ARG_NONE)
/* arg_posn wrapped around. */
goto error;
}
REGISTER_ARG (dp->arg_index, type);
}
dp->conversion = c;
dp->dir_end = cp;
}
d->count++;
if (d->count >= d_allocated)
{
size_t memory_size;
DIRECTIVE *memory;
d_allocated = xtimes (d_allocated, 2);
memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
if (size_overflow_p (memory_size))
/* Overflow, would lead to out of memory. */
goto out_of_memory;
memory = (DIRECTIVE *) realloc (d->dir, memory_size);
if (memory == NULL)
/* Out of memory. */
goto out_of_memory;
d->dir = memory;
}
}
#if CHAR_T_ONLY_ASCII
else if (!c_isascii (c))
{
/* Non-ASCII character. Not supported. */
goto error;
}
#endif
}
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);
errno = EINVAL;
return -1;
out_of_memory:
if (a->arg)
free (a->arg);
if (d->dir)
free (d->dir);
out_of_memory_1:
errno = ENOMEM;
return -1;
}
#undef PRINTF_PARSE
#undef DIRECTIVES
#undef DIRECTIVE
#undef CHAR_T_ONLY_ASCII
#undef CHAR_T
src/daemon/https/lgl/printf-parse.h
-176
View File
@@ -1,176 +0,0 @@
/* Parse printf format string.
Copyright (C) 1999, 2002-2003, 2005, 2007 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifndef _PRINTF_PARSE_H
#define _PRINTF_PARSE_H
/* This file can be parametrized with the following macros:
ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
STATIC Set to 'static' to declare the function static. */
#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
/* arg_index value indicating that no argument is consumed. */
#define ARG_NONE (~(size_t)0)
/* xxx_directive: A parsed directive.
xxx_directives: A parsed format string. */
/* A parsed directive. */
typedef struct
{
const char *dir_start;
const char *dir_end;
int flags;
const char *width_start;
const char *width_end;
size_t width_arg_index;
const char *precision_start;
const char *precision_end;
size_t precision_arg_index;
char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
char_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
char_directive *dir;
size_t max_width_length;
size_t max_precision_length;
}
char_directives;
#if ENABLE_UNISTDIO
/* A parsed directive. */
typedef struct
{
const uint8_t *dir_start;
const uint8_t *dir_end;
int flags;
const uint8_t *width_start;
const uint8_t *width_end;
size_t width_arg_index;
const uint8_t *precision_start;
const uint8_t *precision_end;
size_t precision_arg_index;
uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u8_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u8_directive *dir;
size_t max_width_length;
size_t max_precision_length;
}
u8_directives;
/* A parsed directive. */
typedef struct
{
const uint16_t *dir_start;
const uint16_t *dir_end;
int flags;
const uint16_t *width_start;
const uint16_t *width_end;
size_t width_arg_index;
const uint16_t *precision_start;
const uint16_t *precision_end;
size_t precision_arg_index;
uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u16_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u16_directive *dir;
size_t max_width_length;
size_t max_precision_length;
}
u16_directives;
/* A parsed directive. */
typedef struct
{
const uint32_t *dir_start;
const uint32_t *dir_end;
int flags;
const uint32_t *width_start;
const uint32_t *width_end;
size_t width_arg_index;
const uint32_t *precision_start;
const uint32_t *precision_end;
size_t precision_arg_index;
uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
size_t arg_index;
}
u32_directive;
/* A parsed format string. */
typedef struct
{
size_t count;
u32_directive *dir;
size_t max_width_length;
size_t max_precision_length;
}
u32_directives;
#endif
/* 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. */
#if ENABLE_UNISTDIO
extern int
ulc_printf_parse (const char *format, char_directives * d, arguments * a);
extern int
u8_printf_parse (const uint8_t * format, u8_directives * d, arguments * a);
extern int
u16_printf_parse (const uint16_t * format, u16_directives * d, arguments * a);
extern int
u32_printf_parse (const uint32_t * format, u32_directives * d, arguments * a);
#else
# ifdef STATIC
STATIC
# else
extern
# endif
int printf_parse (const char *format, char_directives * d, arguments * a);
#endif
#endif /* _PRINTF_PARSE_H */
src/daemon/https/lgl/realloc.c
-87
View File
@@ -1,87 +0,0 @@
/* realloc() function that is glibc compatible.
Copyright (C) 1997, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* written by Jim Meyering and Bruno Haible */
#include "MHD_config.h"
/* Only the AC_FUNC_REALLOC macro defines 'realloc' already in config.h. */
#ifdef realloc
# define NEED_REALLOC_GNU 1
#endif
/* Infer the properties of the system's malloc function.
Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
#if GNULIB_MALLOC_GNU && !defined malloc
# define SYSTEM_MALLOC_GLIBC_COMPATIBLE 1
#endif
/* Below we want to call the system's malloc and realloc.
Undefine the symbols here so that including <stdlib.h> provides a
declaration of malloc(), not of rpl_malloc(), and likewise for realloc. */
#undef malloc
#undef realloc
/* Specification. */
#include <stdlib.h>
#include <errno.h>
/* Below we want to call the system's malloc and realloc.
Undefine the symbols, if they were defined by gnulib's <stdlib.h>
replacement. */
#undef malloc
#undef realloc
/* Change the size of an allocated block of memory P to N bytes,
with error checking. If N is zero, change it to 1. If P is NULL,
use malloc. */
void *
rpl_realloc (void *p, size_t n)
{
void *result;
#if NEED_REALLOC_GNU
if (n == 0)
{
n = 1;
/* In theory realloc might fail, so don't rely on it to free. */
free (p);
p = NULL;
}
#endif
if (p == NULL)
{
#if GNULIB_REALLOC_GNU && !NEED_REALLOC_GNU && !SYSTEM_MALLOC_GLIBC_COMPATIBLE
if (n == 0)
n = 1;
#endif
result = malloc (n);
}
else
result = realloc (p, n);
#if !HAVE_REALLOC_POSIX
if (result == NULL)
errno = ENOMEM;
#endif
return result;
}