libifupdown: Fixed bug where end pointer is not updated after realloc
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1ee485666f
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4c64b5138b
1 changed files with 10 additions and 5 deletions
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@ -122,12 +122,17 @@ append_to_buffer(char **buffer, size_t *buffer_len, char **end, const char *valu
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/* Make sure there is enough room to add the value to the buffer */
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if (*buffer_len < strlen (*buffer) + value_len + 2)
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{
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*buffer = realloc (*buffer, *buffer_len * 2);
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if (*buffer == NULL)
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/* XXX Here be dragons */
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return false;
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size_t end_offset = *end - *buffer;
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char *tmp = realloc (*buffer, *buffer_len * 2);
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*buffer_len = *buffer_len * 2;
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if (tmp != NULL)
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{
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*buffer = tmp;
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*end = tmp + end_offset;
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*buffer_len = *buffer_len * 2;
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}
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else
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return false;
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}
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/* Append value to buffer */
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