2 Copyright (C) 2005 Georgia Public Library Service
3 Bill Erickson <highfalutin@gmail.com>
4 Mike Rylander <mrylander@gmail.com>
6 This program is free software; you can redistribute it and/or
7 modify it under the terms of the GNU General Public License
8 as published by the Free Software Foundation; either version 2
9 of the License, or (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
27 #include <sys/types.h>
30 //#include <sys/timeb.h>
34 #define OSRF_MALLOC(ptr, size) \
35 ptr = (void*) malloc( size ); \
37 perror("OSRF_MALLOC(): Out of Memory" );\
40 memset( ptr, 0, size );
43 #define OSRF_BUFFER_ADD(gb, data) \
47 __tl = strlen(data) + gb->n_used;\
48 if( __tl < gb->size ) {\
49 strcat(gb->buf, data);\
51 } else { buffer_add(gb, data); }\
55 #define OSRF_BUFFER_ADD_CHAR(gb, c)\
58 if(gb->n_used < gb->size - 1)\
59 gb->buf[gb->n_used++] = c;\
61 buffer_add_char(gb, c);\
68 /* turns a va_list into a string */
69 #define VA_LIST_TO_STRING(x) \
70 unsigned long __len = 0;\
73 va_copy(a_copy, args); \
75 __len = vsnprintf(NULL, 0, x, args); \
80 va_start(a_copy, x); \
81 vsnprintf(_b, __len - 1, x, a_copy); \
85 /* turns a long into a string */
86 #define LONG_TO_STRING(l) \
87 unsigned int __len = snprintf(NULL, 0, "%ld", l) + 2;\
90 snprintf(__b, __len - 1, "%ld", l); \
93 #define DOUBLE_TO_STRING(l) \
94 unsigned int __len = snprintf(NULL, 0, "%f", l) + 2; \
97 snprintf(__b, __len - 1, "%f", l); \
98 char* DOUBLESTR = __b;
100 #define LONG_DOUBLE_TO_STRING(l) \
101 unsigned int __len = snprintf(NULL, 0, "%Lf", l) + 2; \
104 snprintf(__b, __len - 1, "%Lf", l); \
105 char* LONGDOUBLESTR = __b;
108 #define INT_TO_STRING(l) \
109 unsigned int __len = snprintf(NULL, 0, "%d", l) + 2; \
112 snprintf(__b, __len - 1, "%d", l); \
118 struct md5_ctx ctx; \
119 unsigned char digest[16];\
122 for ( i=0 ; i != strlen(text) ; i++ ) MD5_feed (&ctx, text[i]);\
123 MD5_stop (&ctx, digest);\
127 memset(final,0,256);\
128 for ( i=0 ; i<16 ; i++ ) {\
129 sprintf(buf, "%02x", digest[i]);\
130 strcat( final, buf );\
132 char* MD5STR = final;
139 #define BUFFER_MAX_SIZE 10485760
141 /* these are evil and should be condemned
142 ! Only use these if you are done with argv[].
143 call init_proc_title() first, then call
145 the title is only allowed to be as big as the
146 initial process name of the process (full size of argv[]).
147 truncation may occurr.
149 int init_proc_title( int argc, char* argv[] );
150 int set_proc_title( char* format, ... );
155 void* safe_malloc(int size);
157 // ---------------------------------------------------------------------------------
158 // Generic growing buffer. Add data all you want
159 // ---------------------------------------------------------------------------------
160 struct growing_buffer_struct {
165 typedef struct growing_buffer_struct growing_buffer;
167 growing_buffer* buffer_init( int initial_num_bytes);
169 // XXX This isn't defined in utils.c!! removing for now...
170 //int buffer_addchar(growing_buffer* gb, char c);
172 int buffer_add(growing_buffer* gb, char* c);
173 int buffer_fadd(growing_buffer* gb, const char* format, ... );
174 int buffer_reset( growing_buffer* gb);
175 char* buffer_data( growing_buffer* gb);
176 int buffer_free( growing_buffer* gb );
177 int buffer_add_char(growing_buffer* gb, char c);
179 /* returns the size needed to fill in the vsnprintf buffer.
180 * ! this calls va_end on the va_list argument*
182 long va_list_size(const char* format, va_list);
184 /* turns a va list into a string, caller must free the
186 char* va_list_to_string(const char* format, ...);
189 /* string escape utility method. escapes unicode embeded characters.
190 escapes the usual \n, \t, etc.
191 for example, if you provide a string like so:
200 char* uescape( const char* string, int size, int full_escape );
202 /* utility methods */
203 int set_fl( int fd, int flags );
204 int clr_fl( int fd, int flags );
209 double get_timestamp_millis();
212 /* returns true if the whole string is a number */
213 int stringisnum(char* s);
215 /* reads a file and returns the string version of the file
216 user is responsible for freeing the returned char*
218 char* file_to_string(const char* filename);
223 Calculates the md5 of the text provided.
224 The returned string must be freed by the caller.
226 char* md5sum( char* text, ... );
230 Checks the validity of the file descriptor
231 returns -1 if the file descriptor is invalid
232 returns 0 if the descriptor is OK
234 int osrfUtilsCheckFileDescriptor( int fd );