ReactOS  0.4.14-dev-49-gfb4591c
util.c
Go to the documentation of this file.
1 /*
2  * Utility functions.
3  *
4  * Copyright 2003 Dimitrie O. Paun
5  * Copyright 2003 Ferenc Wagner
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21 
22 #include <unistd.h>
23 #include <errno.h>
24 
25 #include "winetest.h"
26 
27 void *xmalloc (size_t len)
28 {
29  void *p = malloc (len);
30 
31  if (!p) report (R_FATAL, "Out of memory.");
32  return p;
33 }
34 
35 void *xrealloc (void *op, size_t len)
36 {
37  void *p = realloc (op, len);
38 
39  if (len && !p) report (R_FATAL, "Out of memory.");
40  return p;
41 }
42 
43 char *xstrdup( const char *str )
44 {
45  char *res = strdup( str );
46  if (!res) report (R_FATAL, "Out of memory.");
47  return res;
48 }
49 
50 static char *vstrfmtmake (size_t *lenp, const char *fmt, va_list ap)
51 {
52  size_t size = 1000;
53  char *p, *q;
54  int n;
55 
56  p = malloc (size);
57  if (!p) return NULL;
58  while (1) {
59  n = vsnprintf (p, size, fmt, ap);
60  if (n < 0) size *= 2; /* Windows */
61  else if ((unsigned)n >= size) size = n+1; /* glibc */
62  else break;
63  q = realloc (p, size);
64  if (!q) {
65  free (p);
66  return NULL;
67  }
68  p = q;
69  }
70  if (lenp) *lenp = n;
71  return p;
72 }
73 
74 char *vstrmake (size_t *lenp, va_list ap)
75 {
76  const char *fmt;
77 
78  fmt = va_arg (ap, const char*);
79  return vstrfmtmake (lenp, fmt, ap);
80 }
81 
82 char *strmake (size_t *lenp, ...)
83 {
84  va_list ap;
85  char *p;
86 
87  va_start (ap, lenp);
88  p = vstrmake (lenp, ap);
89  if (!p) report (R_FATAL, "Out of memory.");
90  va_end (ap);
91  return p;
92 }
93 
94 void xprintf (const char *fmt, ...)
95 {
96  va_list ap;
97  size_t size;
98  ssize_t written;
99  char *buffer, *head;
100 
101  va_start (ap, fmt);
102  buffer = vstrfmtmake (&size, fmt, ap);
103  head = buffer;
104  va_end (ap);
105  while ((written = write (1, head, size)) != size) {
106  if (written == -1)
107  report (R_FATAL, "Can't write logs: %d", errno);
108  head += written;
109  size -= written;
110  }
111  free (buffer);
112 }
113 
114 int
116 {
117  return (('a'<=c && c<='z') ||
118  ('A'<=c && c<='Z') ||
119  ('0'<=c && c<='9') ||
120  c=='-' || c=='.');
121 }
122 
123 const char *
124 findbadtagchar (const char *tag)
125 {
126  while (*tag)
127  if (goodtagchar (*tag)) tag++;
128  else return tag;
129  return NULL;
130 }
#define realloc
Definition: debug_ros.c:6
void * xrealloc(void *op, size_t len)
Definition: util.c:35
#define vsnprintf
Definition: tif_win32.c:406
const char * findbadtagchar(const char *tag)
Definition: util.c:124
struct outqueuenode * head
Definition: adnsresfilter.c:66
#define free
Definition: debug_ros.c:5
const char * fmt
Definition: wsprintf.c:30
GLdouble n
Definition: glext.h:7729
Definition: ecma_167.h:138
GLuint buffer
Definition: glext.h:5915
int goodtagchar(char c)
Definition: util.c:115
int errno
void * xmalloc(size_t len)
Definition: util.c:27
#define write
Definition: acwin.h:97
#define va_end(ap)
Definition: acmsvcex.h:90
_Check_return_ _CRTIMP char *__cdecl strdup(_In_opt_z_ const char *_Src)
void xprintf(const char *fmt,...)
Definition: util.c:94
const WCHAR * str
smooth NULL
Definition: ftsmooth.c:416
char * va_list
Definition: acmsvcex.h:78
static void report(const DATA_BLOB *pDataIn, const DATA_BLOB *pOptionalEntropy, CRYPTPROTECT_PROMPTSTRUCT *pPromptStruct, DWORD dwFlags)
Definition: protectdata.c:769
char * strmake(size_t *lenp,...)
Definition: util.c:82
static char * vstrfmtmake(size_t *lenp, const char *fmt, va_list ap)
Definition: util.c:50
GLsizeiptr size
Definition: glext.h:5919
const GLubyte * c
Definition: glext.h:8905
GLdouble GLdouble GLdouble GLdouble q
Definition: gl.h:2063
GLenum GLsizei len
Definition: glext.h:6722
int ssize_t
Definition: rosdhcp.h:48
#define va_arg(ap, T)
Definition: acmsvcex.h:89
#define va_start(ap, A)
Definition: acmsvcex.h:91
char * xstrdup(const char *str)
Definition: util.c:43
void int int ULONGLONG int va_list * ap
Definition: winesup.h:32
GLuint res
Definition: glext.h:9613
#define malloc
Definition: debug_ros.c:4
UINT op
Definition: effect.c:223
GLfloat GLfloat p
Definition: glext.h:8902
Definition: dsound.c:943
char * vstrmake(size_t *lenp, va_list ap)
Definition: util.c:74
char * tag
Definition: main.c:59