Fix memmove() invocation with src/dst being NULL
This fixes a segmentation fault on some systems.
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1 changed files with 5 additions and 2 deletions
7
st.c
7
st.c
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@ -2788,8 +2788,11 @@ tresize(int col, int row) {
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free(term.line[i]);
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free(term.line[i]);
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free(term.alt[i]);
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free(term.alt[i]);
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}
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}
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memmove(term.line, term.line + i, row * sizeof(Line));
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/* ensure that both src and dst are not NULL */
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memmove(term.alt, term.alt + i, row * sizeof(Line));
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if (i > 0) {
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memmove(term.line, term.line + i, row * sizeof(Line));
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memmove(term.alt, term.alt + i, row * sizeof(Line));
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}
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for(i += row; i < term.row; i++) {
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for(i += row; i < term.row; i++) {
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free(term.line[i]);
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free(term.line[i]);
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free(term.alt[i]);
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free(term.alt[i]);
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