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 #define OSRF_BUFFER_ADD(gb, data) \
49 __tl = strlen(data) + gb->n_used;\
50 if( __tl < gb->size ) {\
51 strcat(gb->buf, data);\
53 } else { buffer_add(gb, data); }\
57 #define OSRF_BUFFER_ADD_CHAR(gb, c)\
60 if(gb->n_used < gb->size - 1)\
61 gb->buf[gb->n_used++] = c;\
63 buffer_add_char(gb, c);\
67 #define OSRF_BUFFER_RESET(gb) \
68 memset(gb->buf, 0, gb->size);\
74 /* turns a va_list into a string */
75 #define VA_LIST_TO_STRING(x) \
76 unsigned long __len = 0;\
79 va_copy(a_copy, args); \
81 __len = vsnprintf(NULL, 0, x, args); \
86 va_start(a_copy, x); \
87 vsnprintf(_b, __len - 1, x, a_copy); \
91 /* turns a long into a string */
92 #define LONG_TO_STRING(l) \
93 unsigned int __len = snprintf(NULL, 0, "%ld", l) + 2;\
96 snprintf(__b, __len - 1, "%ld", l); \
99 #define DOUBLE_TO_STRING(l) \
100 unsigned int __len = snprintf(NULL, 0, "%f", l) + 2; \
103 snprintf(__b, __len - 1, "%f", l); \
104 char* DOUBLESTR = __b;
106 #define LONG_DOUBLE_TO_STRING(l) \
107 unsigned int __len = snprintf(NULL, 0, "%Lf", l) + 2; \
110 snprintf(__b, __len - 1, "%Lf", l); \
111 char* LONGDOUBLESTR = __b;
114 #define INT_TO_STRING(l) \
115 unsigned int __len = snprintf(NULL, 0, "%d", l) + 2; \
118 snprintf(__b, __len - 1, "%d", l); \
124 struct md5_ctx ctx; \
125 unsigned char digest[16];\
128 for ( i=0 ; i != strlen(text) ; i++ ) MD5_feed (&ctx, text[i]);\
129 MD5_stop (&ctx, digest);\
133 memset(final,0,256);\
134 for ( i=0 ; i<16 ; i++ ) {\
135 sprintf(buf, "%02x", digest[i]);\
136 strcat( final, buf );\
138 char* MD5STR = final;
145 #define BUFFER_MAX_SIZE 10485760
147 /* these are evil and should be condemned
148 ! Only use these if you are done with argv[].
149 call init_proc_title() first, then call
151 the title is only allowed to be as big as the
152 initial process name of the process (full size of argv[]).
153 truncation may occurr.
155 int init_proc_title( int argc, char* argv[] );
156 int set_proc_title( char* format, ... );
161 void* safe_malloc(int size);
163 // ---------------------------------------------------------------------------------
164 // Generic growing buffer. Add data all you want
165 // ---------------------------------------------------------------------------------
166 struct growing_buffer_struct {
171 typedef struct growing_buffer_struct growing_buffer;
173 growing_buffer* buffer_init( int initial_num_bytes);
175 // XXX This isn't defined in utils.c!! removing for now...
176 //int buffer_addchar(growing_buffer* gb, char c);
178 int buffer_add(growing_buffer* gb, char* c);
179 int buffer_fadd(growing_buffer* gb, const char* format, ... );
180 int buffer_reset( growing_buffer* gb);
181 char* buffer_data( growing_buffer* gb);
182 char* buffer_release( growing_buffer* gb );
183 int buffer_free( growing_buffer* gb );
184 int buffer_add_char(growing_buffer* gb, char c);
186 /* returns the size needed to fill in the vsnprintf buffer.
187 * ! this calls va_end on the va_list argument*
189 long va_list_size(const char* format, va_list);
191 /* turns a va list into a string, caller must free the
193 char* va_list_to_string(const char* format, ...);
196 /* string escape utility method. escapes unicode embeded characters.
197 escapes the usual \n, \t, etc.
198 for example, if you provide a string like so:
207 char* uescape( const char* string, int size, int full_escape );
209 /* utility methods */
210 int set_fl( int fd, int flags );
211 int clr_fl( int fd, int flags );
216 double get_timestamp_millis();
219 /* returns true if the whole string is a number */
220 int stringisnum(char* s);
222 /* reads a file and returns the string version of the file
223 user is responsible for freeing the returned char*
225 char* file_to_string(const char* filename);
230 Calculates the md5 of the text provided.
231 The returned string must be freed by the caller.
233 char* md5sum( char* text, ... );
237 Checks the validity of the file descriptor
238 returns -1 if the file descriptor is invalid
239 returns 0 if the descriptor is OK
241 int osrfUtilsCheckFileDescriptor( int fd );