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) \
36 ptr = (void*) malloc( size ); \
38 perror("OSRF_MALLOC(): Out of Memory" );\
41 memset( ptr, 0, size );\
45 // The original ... replace with noop once no more errors occur in NDEBUG mode
46 #define osrf_clearbuf( s, n ) memset( s, 0, n )
48 #define osrf_clearbuf( s, n ) \
50 char * clearbuf_temp_s = (s); \
51 size_t clearbuf_temp_n = (n); \
52 memset( clearbuf_temp_s, '!', clearbuf_temp_n ); \
53 clearbuf_temp_s[ clearbuf_temp_n - 1 ] = '\0'; \
57 #define OSRF_BUFFER_ADD(gb, data) \
61 __tl = strlen(data) + gb->n_used;\
62 if( __tl < gb->size ) {\
63 strcat(gb->buf, data);\
65 } else { buffer_add(gb, data); }\
69 #define OSRF_BUFFER_ADD_CHAR(gb, c)\
72 if(gb->n_used < gb->size - 1)\
73 gb->buf[gb->n_used++] = c;\
75 buffer_add_char(gb, c);\
79 #define OSRF_BUFFER_RESET(gb) \
80 memset(gb->buf, 0, gb->size);\
86 /* turns a va_list into a string */
87 #define VA_LIST_TO_STRING(x) \
88 unsigned long __len = 0;\
91 va_copy(a_copy, args); \
93 __len = vsnprintf(NULL, 0, x, args); \
98 va_start(a_copy, x); \
99 vsnprintf(_b, __len - 1, x, a_copy); \
103 /* turns a long into a string */
104 #define LONG_TO_STRING(l) \
105 unsigned int __len = snprintf(NULL, 0, "%ld", l) + 2;\
108 snprintf(__b, __len - 1, "%ld", l); \
111 #define DOUBLE_TO_STRING(l) \
112 unsigned int __len = snprintf(NULL, 0, "%f", l) + 2; \
115 snprintf(__b, __len - 1, "%f", l); \
116 char* DOUBLESTR = __b;
118 #define LONG_DOUBLE_TO_STRING(l) \
119 unsigned int __len = snprintf(NULL, 0, "%Lf", l) + 2; \
122 snprintf(__b, __len - 1, "%Lf", l); \
123 char* LONGDOUBLESTR = __b;
126 #define INT_TO_STRING(l) \
127 unsigned int __len = snprintf(NULL, 0, "%d", l) + 2; \
130 snprintf(__b, __len - 1, "%d", l); \
136 struct md5_ctx ctx; \
137 unsigned char digest[16];\
140 for ( i=0 ; i != strlen(text) ; i++ ) MD5_feed (&ctx, text[i]);\
141 MD5_stop (&ctx, digest);\
145 memset(final,0,256);\
146 for ( i=0 ; i<16 ; i++ ) {\
147 sprintf(buf, "%02x", digest[i]);\
148 strcat( final, buf );\
150 char* MD5STR = final;
157 #define BUFFER_MAX_SIZE 10485760
159 /* these are evil and should be condemned
160 ! Only use these if you are done with argv[].
161 call init_proc_title() first, then call
163 the title is only allowed to be as big as the
164 initial process name of the process (full size of argv[]).
165 truncation may occurr.
167 int init_proc_title( int argc, char* argv[] );
168 int set_proc_title( const char* format, ... );
171 int daemonize( void );
173 void* safe_malloc(int size);
174 void* safe_calloc(int size);
176 // ---------------------------------------------------------------------------------
177 // Generic growing buffer. Add data all you want
178 // ---------------------------------------------------------------------------------
179 struct growing_buffer_struct {
184 typedef struct growing_buffer_struct growing_buffer;
186 growing_buffer* buffer_init( int initial_num_bytes);
188 // XXX This isn't defined in utils.c!! removing for now...
189 //int buffer_addchar(growing_buffer* gb, char c);
191 int buffer_add(growing_buffer* gb, const char* c);
192 int buffer_fadd(growing_buffer* gb, const char* format, ... );
193 int buffer_reset( growing_buffer* gb);
194 char* buffer_data( const growing_buffer* gb);
195 char* buffer_release( growing_buffer* gb );
196 int buffer_free( growing_buffer* gb );
197 int buffer_add_char(growing_buffer* gb, char c);
199 /* returns the size needed to fill in the vsnprintf buffer.
200 * ! this calls va_end on the va_list argument*
202 long va_list_size(const char* format, va_list);
204 /* turns a va list into a string, caller must free the
206 char* va_list_to_string(const char* format, ...);
209 /* string escape utility method. escapes unicode embeded characters.
210 escapes the usual \n, \t, etc.
211 for example, if you provide a string like so:
220 char* uescape( const char* string, int size, int full_escape );
222 /* utility methods */
223 int set_fl( int fd, int flags );
224 int clr_fl( int fd, int flags );
229 double get_timestamp_millis( void );
232 /* returns true if the whole string is a number */
233 int stringisnum(const char* s);
235 /* reads a file and returns the string version of the file
236 user is responsible for freeing the returned char*
238 char* file_to_string(const char* filename);
243 Calculates the md5 of the text provided.
244 The returned string must be freed by the caller.
246 char* md5sum( const char* text, ... );
250 Checks the validity of the file descriptor
251 returns -1 if the file descriptor is invalid
252 returns 0 if the descriptor is OK
254 int osrfUtilsCheckFileDescriptor( int fd );