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_UTF8_IS_ASCII(_c) (((char)_c) < 0x80)
35 #define OSRF_UTF8_IS_START(_c) (((char)_c) >= 0xc0 && (((char)_c) <= 0xfd))
36 #define OSRF_UTF8_IS_CONTINUATION(_c) (((char)_c) >= 0x80 && (((char)_c) <= 0xbf))
37 #define OSRF_UTF8_IS_CONTINUED(_c) (((char)_c) & 0x80)
39 #define OSRF_UTF8_CONTINUATION_MASK (0x3f)
40 #define OSRF_UTF8_ACCUMULATION_SHIFT 6
41 #define OSRF_UTF8_ACCUMULATE(_o, _n) (((_o) << OSRF_UTF8_ACCUMULATION_SHIFT) | (((char)_n) & OSRF_UTF8_CONTINUATION_MASK))
43 #define OSRF_MALLOC(ptr, size) \
44 ptr = (void*) malloc( size ); \
46 perror("OSRF_MALLOC(): Out of Memory" );\
49 memset( ptr, 0, size );
52 #define OSRF_BUFFER_ADD(gb, data) \
56 __tl = strlen(data) + gb->n_used;\
57 if( __tl < gb->size ) {\
58 strcat(gb->buf, data);\
60 } else { buffer_add(gb, data); }\
64 #define OSRF_BUFFER_ADD_CHAR(gb, c)\
67 if(gb->n_used < gb->size - 1)\
68 gb->buf[gb->n_used++] = c;\
70 buffer_add_char(gb, c);\
77 /* turns a va_list into a string */
78 #define VA_LIST_TO_STRING(x) \
79 unsigned long __len = 0;\
82 va_copy(a_copy, args); \
84 __len = vsnprintf(NULL, 0, x, args); \
89 va_start(a_copy, x); \
90 vsnprintf(_b, __len - 1, x, a_copy); \
94 /* turns a long into a string */
95 #define LONG_TO_STRING(l) \
96 unsigned int __len = snprintf(NULL, 0, "%ld", l) + 2;\
99 snprintf(__b, __len - 1, "%ld", l); \
102 #define DOUBLE_TO_STRING(l) \
103 unsigned int __len = snprintf(NULL, 0, "%lf", l) + 2; \
106 snprintf(__b, __len - 1, "%lf", l); \
107 char* DOUBLESTR = __b;
109 #define LONG_DOUBLE_TO_STRING(l) \
110 unsigned int __len = snprintf(NULL, 0, "%Lf", l) + 2; \
113 snprintf(__b, __len - 1, "%Lf", l); \
114 char* LONGDOUBLESTR = __b;
117 #define INT_TO_STRING(l) \
118 unsigned int __len = snprintf(NULL, 0, "%d", l) + 2; \
121 snprintf(__b, __len - 1, "%d", l); \
127 struct md5_ctx ctx; \
128 unsigned char digest[16];\
131 for ( i=0 ; i != strlen(text) ; i++ ) MD5_feed (&ctx, text[i]);\
132 MD5_stop (&ctx, digest);\
136 memset(final,0,256);\
137 for ( i=0 ; i<16 ; i++ ) {\
138 sprintf(buf, "%02x", digest[i]);\
139 strcat( final, buf );\
141 char* MD5STR = final;
148 #define BUFFER_MAX_SIZE 10485760
150 /* these are evil and should be condemned
151 ! Only use these if you are done with argv[].
152 call init_proc_title() first, then call
154 the title is only allowed to be as big as the
155 initial process name of the process (full size of argv[]).
156 truncation may occurr.
158 int init_proc_title( int argc, char* argv[] );
159 int set_proc_title( char* format, ... );
164 void* safe_malloc(int size);
166 // ---------------------------------------------------------------------------------
167 // Generic growing buffer. Add data all you want
168 // ---------------------------------------------------------------------------------
169 struct growing_buffer_struct {
174 typedef struct growing_buffer_struct growing_buffer;
176 growing_buffer* buffer_init( int initial_num_bytes);
178 // XXX This isn't defined in utils.c!! removing for now...
179 //int buffer_addchar(growing_buffer* gb, char c);
181 int buffer_add(growing_buffer* gb, char* c);
182 int buffer_fadd(growing_buffer* gb, const char* format, ... );
183 int buffer_reset( growing_buffer* gb);
184 char* buffer_data( growing_buffer* gb);
185 int buffer_free( growing_buffer* gb );
186 int buffer_add_char(growing_buffer* gb, char c);
188 /* returns the size needed to fill in the vsnprintf buffer.
189 * ! this calls va_end on the va_list argument*
191 long va_list_size(const char* format, va_list);
193 /* turns a va list into a string, caller must free the
195 char* va_list_to_string(const char* format, ...);
198 /* string escape utility method. escapes unicode embeded characters.
199 escapes the usual \n, \t, etc.
200 for example, if you provide a string like so:
209 char* uescape( const char* string, int size, int full_escape );
211 /* utility methods */
212 int set_fl( int fd, int flags );
213 int clr_fl( int fd, int flags );
218 double get_timestamp_millis();
221 /* returns true if the whole string is a number */
222 int stringisnum(char* s);
224 /* reads a file and returns the string version of the file
225 user is responsible for freeing the returned char*
227 char* file_to_string(const char* filename);
232 Calculates the md5 of the text provided.
233 The returned string must be freed by the caller.
235 char* md5sum( char* text, ... );
239 Checks the validity of the file descriptor
240 returns -1 if the file descriptor is invalid
241 returns 0 if the descriptor is OK
243 int osrfUtilsCheckFileDescriptor( int fd );