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https://github.com/json-c/json-c.git
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Darren Carreras
62bb838c57
When the appended data points into the printbuf itself, growing the buffer may invalidate the source pointer before it is copied. Preserve the source offset across realloc and use memmove for internal overlap.
38 lines
1.6 KiB
Plaintext
38 lines
1.6 KiB
Plaintext
test_basic_printbuf_memset: starting test
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Buffer contents:blue:1xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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test_basic_printbuf_memset: end test
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========================================
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test_printbuf_memset_length: starting test
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Buffer length: 0
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Buffer length: 12
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Buffer length: 18
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Buffer length: 76
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Buffer length: 76
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Buffer length: 77
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test_printbuf_memset_length: end test
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========================================
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test_printbuf_memappend: starting test
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Buffer length: 0
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Appended 32 bytes for resize: [xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx]
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Partial append: 3, [blu]
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With embedded \0 character: 4, [ab]
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Append to just before resize: 31, [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX]
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Append to just after resize: 32, [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX]
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Buffer size after printbuf_strappend(): 16, [XXXXXXXXXXXXXXXX]
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test_printbuf_memappend: end test
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========================================
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test_printbuf_self_append: starting test
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test_printbuf_self_append: end test
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========================================
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test_sprintbuf: starting test
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Buffer length: 0
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sprintbuf to just after resize(31+1): 32, [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX], strlen(buf)=32
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5, [plain]
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6, [plain1]
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16, [plain12147483647]
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27, [plain12147483647-2147483648]
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29, [plain12147483647-2147483648%s]
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284, [plain12147483647-2147483648%sif string is greater than stack buffer, then use dynamic string with vasprintf. Note: some implementation of vsnprintf return -1 if output is truncated whereas some return the number of bytes that would have been written - this code handles both cases.]
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test_sprintbuf: end test
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========================================
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