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#include "buffer.h" |
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#include |
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#include |
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#include |
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#include |
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void * |
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hoedown_malloc(size_t size) |
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{ |
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void *ret = malloc(size); |
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if (!ret) { |
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fprintf(stderr, "Allocation failed.\n"); |
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abort(); |
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} |
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return ret; |
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} |
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void * |
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hoedown_calloc(size_t nmemb, size_t size) |
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{ |
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3
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void *ret = calloc(nmemb, size); |
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3
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if (!ret) { |
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fprintf(stderr, "Allocation failed.\n"); |
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0
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abort(); |
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} |
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return ret; |
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} |
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void * |
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hoedown_realloc(void *ptr, size_t size) |
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{ |
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51
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void *ret = realloc(ptr, size); |
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51
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50
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if (!ret) { |
40
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0
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fprintf(stderr, "Allocation failed.\n"); |
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0
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abort(); |
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} |
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return ret; |
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} |
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void |
48
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hoedown_buffer_init( |
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hoedown_buffer *buf, |
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size_t unit, |
51
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hoedown_realloc_callback data_realloc, |
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hoedown_free_callback data_free, |
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hoedown_free_callback buffer_free) |
54
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{ |
55
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32
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50
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assert(buf); |
56
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57
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32
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buf->data = NULL; |
58
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32
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buf->size = buf->asize = 0; |
59
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32
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buf->unit = unit; |
60
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32
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buf->data_realloc = data_realloc; |
61
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32
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buf->data_free = data_free; |
62
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32
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buf->buffer_free = buffer_free; |
63
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32
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} |
64
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65
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void |
66
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0
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hoedown_buffer_uninit(hoedown_buffer *buf) |
67
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{ |
68
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0
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0
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assert(buf && buf->unit); |
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0
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69
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0
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buf->data_free(buf->data); |
70
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0
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} |
71
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72
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hoedown_buffer * |
73
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32
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hoedown_buffer_new(size_t unit) |
74
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{ |
75
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32
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hoedown_buffer *ret = hoedown_malloc(sizeof (hoedown_buffer)); |
76
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32
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hoedown_buffer_init(ret, unit, hoedown_realloc, free, free); |
77
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return ret; |
78
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} |
79
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80
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void |
81
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20
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hoedown_buffer_free(hoedown_buffer *buf) |
82
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{ |
83
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20
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50
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if (!buf) return; |
84
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20
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50
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assert(buf && buf->unit); |
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50
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85
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86
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20
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buf->data_free(buf->data); |
87
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88
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20
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50
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if (buf->buffer_free) |
89
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20
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buf->buffer_free(buf); |
90
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} |
91
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92
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void |
93
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0
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hoedown_buffer_reset(hoedown_buffer *buf) |
94
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{ |
95
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0
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0
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assert(buf && buf->unit); |
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0
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96
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97
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0
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buf->data_free(buf->data); |
98
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0
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buf->data = NULL; |
99
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0
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buf->size = buf->asize = 0; |
100
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0
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} |
101
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102
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void |
103
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79
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hoedown_buffer_grow(hoedown_buffer *buf, size_t neosz) |
104
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{ |
105
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size_t neoasz; |
106
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79
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50
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assert(buf && buf->unit); |
|
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50
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107
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108
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79
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100
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if (buf->asize >= neosz) |
109
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return; |
110
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111
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37
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neoasz = buf->asize + buf->unit; |
112
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54
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100
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while (neoasz < neosz) |
113
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17
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neoasz += buf->unit; |
114
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115
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37
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buf->data = buf->data_realloc(buf->data, neoasz); |
116
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37
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buf->asize = neoasz; |
117
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} |
118
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119
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void |
120
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180
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hoedown_buffer_put(hoedown_buffer *buf, const uint8_t *data, size_t size) |
121
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{ |
122
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180
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50
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assert(buf && buf->unit); |
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50
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123
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124
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180
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100
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if (buf->size + size > buf->asize) |
125
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18
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hoedown_buffer_grow(buf, buf->size + size); |
126
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127
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180
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memcpy(buf->data + buf->size, data, size); |
128
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180
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buf->size += size; |
129
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180
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} |
130
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131
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void |
132
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0
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hoedown_buffer_puts(hoedown_buffer *buf, const char *str) |
133
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{ |
134
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0
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hoedown_buffer_put(buf, (const uint8_t *)str, strlen(str)); |
135
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0
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} |
136
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137
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void |
138
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55
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hoedown_buffer_putc(hoedown_buffer *buf, uint8_t c) |
139
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{ |
140
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55
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50
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assert(buf && buf->unit); |
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50
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141
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142
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55
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50
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if (buf->size >= buf->asize) |
143
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0
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hoedown_buffer_grow(buf, buf->size + 1); |
144
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145
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55
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buf->data[buf->size] = c; |
146
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55
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buf->size += 1; |
147
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55
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} |
148
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149
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int |
150
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0
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hoedown_buffer_putf(hoedown_buffer *buf, FILE *file) |
151
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{ |
152
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0
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0
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assert(buf && buf->unit); |
|
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0
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153
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154
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0
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0
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while (!(feof(file) || ferror(file))) { |
|
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0
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155
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0
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hoedown_buffer_grow(buf, buf->size + buf->unit); |
156
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0
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buf->size += fread(buf->data + buf->size, 1, buf->unit, file); |
157
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} |
158
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159
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0
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return ferror(file); |
160
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} |
161
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162
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void |
163
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0
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hoedown_buffer_set(hoedown_buffer *buf, const uint8_t *data, size_t size) |
164
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{ |
165
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0
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0
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assert(buf && buf->unit); |
|
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0
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166
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167
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0
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0
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if (size > buf->asize) |
168
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0
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hoedown_buffer_grow(buf, size); |
169
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170
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0
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memcpy(buf->data, data, size); |
171
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0
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buf->size = size; |
172
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0
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} |
173
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174
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void |
175
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0
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hoedown_buffer_sets(hoedown_buffer *buf, const char *str) |
176
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{ |
177
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0
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hoedown_buffer_set(buf, (const uint8_t *)str, strlen(str)); |
178
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0
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} |
179
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180
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int |
181
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0
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hoedown_buffer_eq(const hoedown_buffer *buf, const uint8_t *data, size_t size) |
182
|
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{ |
183
|
0
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0
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|
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if (buf->size != size) return 0; |
184
|
0
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|
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return memcmp(buf->data, data, size) == 0; |
185
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|
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} |
186
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|
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|
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187
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int |
188
|
0
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|
|
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hoedown_buffer_eqs(const hoedown_buffer *buf, const char *str) |
189
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|
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{ |
190
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0
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|
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|
return hoedown_buffer_eq(buf, (const uint8_t *)str, strlen(str)); |
191
|
|
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} |
192
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|
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|
193
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int |
194
|
1
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|
hoedown_buffer_prefix(const hoedown_buffer *buf, const char *prefix) |
195
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|
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|
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{ |
196
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|
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|
size_t i; |
197
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|
|
|
|
|
|
|
198
|
1
|
50
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|
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for (i = 0; i < buf->size; ++i) { |
199
|
1
|
50
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if (prefix[i] == 0) |
200
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|
|
|
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return 0; |
201
|
|
|
|
|
|
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|
202
|
1
|
50
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|
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|
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if (buf->data[i] != prefix[i]) |
203
|
1
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|
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|
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|
return buf->data[i] - prefix[i]; |
204
|
|
|
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} |
205
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|
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|
206
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return 0; |
207
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|
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|
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|
|
} |
208
|
|
|
|
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|
|
|
209
|
|
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void |
210
|
0
|
|
|
|
|
|
hoedown_buffer_slurp(hoedown_buffer *buf, size_t size) |
211
|
|
|
|
|
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{ |
212
|
0
|
0
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|
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|
|
assert(buf && buf->unit); |
|
|
0
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|
|
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|
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213
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|
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|
214
|
0
|
0
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|
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|
|
if (size >= buf->size) { |
215
|
0
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|
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|
buf->size = 0; |
216
|
0
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|
|
|
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|
return; |
217
|
|
|
|
|
|
|
} |
218
|
|
|
|
|
|
|
|
219
|
0
|
|
|
|
|
|
buf->size -= size; |
220
|
0
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|
|
|
|
|
memmove(buf->data, buf->data + size, buf->size); |
221
|
|
|
|
|
|
|
} |
222
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|
|
|
|
|
|
|
223
|
|
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|
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|
|
const char * |
224
|
7
|
|
|
|
|
|
hoedown_buffer_cstr(hoedown_buffer *buf) |
225
|
|
|
|
|
|
|
{ |
226
|
7
|
50
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|
|
|
|
assert(buf && buf->unit); |
|
|
50
|
|
|
|
|
|
227
|
|
|
|
|
|
|
|
228
|
7
|
50
|
|
|
|
|
if (buf->size < buf->asize && buf->data[buf->size] == 0) |
|
|
100
|
|
|
|
|
|
229
|
|
|
|
|
|
|
return (char *)buf->data; |
230
|
|
|
|
|
|
|
|
231
|
1
|
|
|
|
|
|
hoedown_buffer_grow(buf, buf->size + 1); |
232
|
1
|
|
|
|
|
|
buf->data[buf->size] = 0; |
233
|
|
|
|
|
|
|
|
234
|
1
|
|
|
|
|
|
return (char *)buf->data; |
235
|
|
|
|
|
|
|
} |
236
|
|
|
|
|
|
|
|
237
|
|
|
|
|
|
|
void |
238
|
39
|
|
|
|
|
|
hoedown_buffer_printf(hoedown_buffer *buf, const char *fmt, ...) |
239
|
|
|
|
|
|
|
{ |
240
|
|
|
|
|
|
|
va_list ap; |
241
|
|
|
|
|
|
|
int n; |
242
|
|
|
|
|
|
|
|
243
|
39
|
50
|
|
|
|
|
assert(buf && buf->unit); |
|
|
50
|
|
|
|
|
|
244
|
|
|
|
|
|
|
|
245
|
39
|
100
|
|
|
|
|
if (buf->size >= buf->asize) |
246
|
1
|
|
|
|
|
|
hoedown_buffer_grow(buf, buf->size + 1); |
247
|
|
|
|
|
|
|
|
248
|
39
|
|
|
|
|
|
va_start(ap, fmt); |
249
|
39
|
|
|
|
|
|
n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); |
250
|
39
|
|
|
|
|
|
va_end(ap); |
251
|
|
|
|
|
|
|
|
252
|
39
|
50
|
|
|
|
|
if (n < 0) { |
253
|
|
|
|
|
|
|
#ifndef _MSC_VER |
254
|
0
|
|
|
|
|
|
return; |
255
|
|
|
|
|
|
|
#else |
256
|
|
|
|
|
|
|
va_start(ap, fmt); |
257
|
|
|
|
|
|
|
n = _vscprintf(fmt, ap); |
258
|
|
|
|
|
|
|
va_end(ap); |
259
|
|
|
|
|
|
|
#endif |
260
|
|
|
|
|
|
|
} |
261
|
|
|
|
|
|
|
|
262
|
39
|
100
|
|
|
|
|
if ((size_t)n >= buf->asize - buf->size) { |
263
|
1
|
|
|
|
|
|
hoedown_buffer_grow(buf, buf->size + n + 1); |
264
|
|
|
|
|
|
|
|
265
|
1
|
|
|
|
|
|
va_start(ap, fmt); |
266
|
1
|
|
|
|
|
|
n = vsnprintf((char *)buf->data + buf->size, buf->asize - buf->size, fmt, ap); |
267
|
1
|
|
|
|
|
|
va_end(ap); |
268
|
|
|
|
|
|
|
} |
269
|
|
|
|
|
|
|
|
270
|
39
|
50
|
|
|
|
|
if (n < 0) |
271
|
|
|
|
|
|
|
return; |
272
|
|
|
|
|
|
|
|
273
|
39
|
|
|
|
|
|
buf->size += n; |
274
|
|
|
|
|
|
|
} |
275
|
|
|
|
|
|
|
|
276
|
0
|
|
|
|
|
|
void hoedown_buffer_put_utf8(hoedown_buffer *buf, unsigned int c) { |
277
|
|
|
|
|
|
|
unsigned char unichar[4]; |
278
|
|
|
|
|
|
|
|
279
|
0
|
0
|
|
|
|
|
assert(buf && buf->unit); |
|
|
0
|
|
|
|
|
|
280
|
|
|
|
|
|
|
|
281
|
0
|
0
|
|
|
|
|
if (c < 0x80) { |
282
|
0
|
|
|
|
|
|
hoedown_buffer_putc(buf, c); |
283
|
|
|
|
|
|
|
} |
284
|
0
|
0
|
|
|
|
|
else if (c < 0x800) { |
285
|
0
|
|
|
|
|
|
unichar[0] = 192 + (c / 64); |
286
|
0
|
|
|
|
|
|
unichar[1] = 128 + (c % 64); |
287
|
0
|
|
|
|
|
|
hoedown_buffer_put(buf, unichar, 2); |
288
|
|
|
|
|
|
|
} |
289
|
0
|
0
|
|
|
|
|
else if (c - 0xd800u < 0x800) { |
290
|
0
|
|
|
|
|
|
HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); |
291
|
|
|
|
|
|
|
} |
292
|
0
|
0
|
|
|
|
|
else if (c < 0x10000) { |
293
|
0
|
|
|
|
|
|
unichar[0] = 224 + (c / 4096); |
294
|
0
|
|
|
|
|
|
unichar[1] = 128 + (c / 64) % 64; |
295
|
0
|
|
|
|
|
|
unichar[2] = 128 + (c % 64); |
296
|
0
|
|
|
|
|
|
hoedown_buffer_put(buf, unichar, 3); |
297
|
|
|
|
|
|
|
} |
298
|
0
|
0
|
|
|
|
|
else if (c < 0x110000) { |
299
|
0
|
|
|
|
|
|
unichar[0] = 240 + (c / 262144); |
300
|
0
|
|
|
|
|
|
unichar[1] = 128 + (c / 4096) % 64; |
301
|
0
|
|
|
|
|
|
unichar[2] = 128 + (c / 64) % 64; |
302
|
0
|
|
|
|
|
|
unichar[3] = 128 + (c % 64); |
303
|
0
|
|
|
|
|
|
hoedown_buffer_put(buf, unichar, 4); |
304
|
|
|
|
|
|
|
} |
305
|
|
|
|
|
|
|
else { |
306
|
0
|
|
|
|
|
|
HOEDOWN_BUFPUTSL(buf, "\xef\xbf\xbd"); |
307
|
|
|
|
|
|
|
} |
308
|
0
|
|
|
|
|
|
} |