3 #ifdef STORAGE_WITH_MATH
7 #include "web_buffer.h"
12 void web_buffer_strcpy(struct web_buffer *wb, const char *txt)
14 char *buffer = wb->buffer;
15 long bytes = wb->bytes, size = wb->size, i = 0;
17 while(txt[i] && bytes < size)
18 buffer[bytes++] = txt[i++];
23 void web_buffer_rrd_value(struct web_buffer *wb, calculated_number value)
25 if(wb->size - wb->bytes < 50) return;
26 wb->bytes += print_calculated_number(&wb->buffer[wb->bytes], value);
29 // generate a javascript date, the fastest possible way...
30 void web_buffer_jsdate(struct web_buffer *wb, int year, int month, int day, int hours, int minutes, int seconds)
33 // 01234567890123456789012345678901234
34 // Date(2014, 04, 01, 03, 28, 20, 065)
36 if(wb->size - wb->bytes < 36) return;
38 char *b = &wb->buffer[wb->bytes];
46 b[i++]= 48 + year / 1000; year -= (year / 1000) * 1000;
47 b[i++]= 48 + year / 100; year -= (year / 100) * 100;
48 b[i++]= 48 + year / 10;
49 b[i++]= 48 + year % 10;
52 b[i]= 48 + month / 10; if(b[i] != '0') i++;
53 b[i++]= 48 + month % 10;
56 b[i]= 48 + day / 10; if(b[i] != '0') i++;
57 b[i++]= 48 + day % 10;
60 b[i]= 48 + hours / 10; if(b[i] != '0') i++;
61 b[i++]= 48 + hours % 10;
64 b[i]= 48 + minutes / 10; if(b[i] != '0') i++;
65 b[i++]= 48 + minutes % 10;
68 b[i]= 48 + seconds / 10; if(b[i] != '0') i++;
69 b[i++]= 48 + seconds % 10;
76 struct web_buffer *web_buffer_create(long size)
80 debug(D_WEB_BUFFER, "Creating new web buffer of size %d.", size);
82 b = calloc(1, sizeof(struct web_buffer));
84 error("Cannot allocate a web_buffer.");
88 b->buffer = malloc(size);
90 error("Cannot allocate a buffer of size %u.", size);
96 b->contenttype = CT_TEXT_PLAIN;
100 void web_buffer_free(struct web_buffer *b)
102 debug(D_WEB_BUFFER, "Freeing web buffer of size %d.", b->size);
104 if(b->buffer) free(b->buffer);
108 void web_buffer_increase(struct web_buffer *b, long free_size_required)
110 long left = b->size - b->bytes;
112 if(left >= free_size_required) return;
113 long increase = free_size_required - left;
114 if(increase < WEB_DATA_LENGTH_INCREASE_STEP) increase = WEB_DATA_LENGTH_INCREASE_STEP;
116 debug(D_WEB_BUFFER, "Increasing data buffer from size %d to %d.", b->size, b->size + increase);
118 b->buffer = realloc(b->buffer, b->size + increase);
119 if(!b->buffer) fatal("Failed to increase data buffer from size %d to %d.", b->size, b->size + increase);