6 #ifdef STORAGE_WITH_MATH
11 #include "web_buffer.h"
14 void web_buffer_strcpy(struct web_buffer *wb, const char *txt)
16 char *buffer = wb->buffer;
17 long bytes = wb->bytes, size = wb->size, i = 0;
19 while(txt[i] && bytes < size)
20 buffer[bytes++] = txt[i++];
25 void web_buffer_rrd_value(struct web_buffer *wb, calculated_number value)
27 if(wb->size - wb->bytes < 50) return;
28 wb->bytes += print_calculated_number(&wb->buffer[wb->bytes], value);
31 // generate a javascript date, the fastest possible way...
32 void web_buffer_jsdate(struct web_buffer *wb, int year, int month, int day, int hours, int minutes, int seconds)
35 // 01234567890123456789012345678901234
36 // Date(2014, 04, 01, 03, 28, 20, 065)
38 if(wb->size - wb->bytes < 36) return;
40 char *b = &wb->buffer[wb->bytes];
48 b[i++]= 48 + year / 1000; year -= (year / 1000) * 1000;
49 b[i++]= 48 + year / 100; year -= (year / 100) * 100;
50 b[i++]= 48 + year / 10;
51 b[i++]= 48 + year % 10;
54 b[i]= 48 + month / 10; if(b[i] != '0') i++;
55 b[i++]= 48 + month % 10;
58 b[i]= 48 + day / 10; if(b[i] != '0') i++;
59 b[i++]= 48 + day % 10;
62 b[i]= 48 + hours / 10; if(b[i] != '0') i++;
63 b[i++]= 48 + hours % 10;
66 b[i]= 48 + minutes / 10; if(b[i] != '0') i++;
67 b[i++]= 48 + minutes % 10;
70 b[i]= 48 + seconds / 10; if(b[i] != '0') i++;
71 b[i++]= 48 + seconds % 10;
78 struct web_buffer *web_buffer_create(long size)
82 debug(D_WEB_BUFFER, "Creating new web buffer of size %d.", size);
84 b = calloc(1, sizeof(struct web_buffer));
86 error("Cannot allocate a web_buffer.");
90 b->buffer = malloc(size);
92 error("Cannot allocate a buffer of size %u.", size);
98 b->contenttype = CT_TEXT_PLAIN;
102 void web_buffer_free(struct web_buffer *b)
104 debug(D_WEB_BUFFER, "Freeing web buffer of size %d.", b->size);
106 if(b->buffer) free(b->buffer);
110 void web_buffer_increase(struct web_buffer *b, long free_size_required)
112 long left = b->size - b->bytes;
114 if(left >= free_size_required) return;
115 long increase = free_size_required - left;
116 if(increase < WEB_DATA_LENGTH_INCREASE_STEP) increase = WEB_DATA_LENGTH_INCREASE_STEP;
118 debug(D_WEB_BUFFER, "Increasing data buffer from size %d to %d.", b->size, b->size + increase);
120 b->buffer = realloc(b->buffer, b->size + increase);
121 if(!b->buffer) fatal("Failed to increase data buffer from size %d to %d.", b->size, b->size + increase);