8000 Merge pull request #13288 from cgohlke/patch-2 · matplotlib/matplotlib@c52ffa3 · GitHub
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Commit c52ffa3

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Merge pull request #13288 from cgohlke/patch-2
Fix potential memory leak
2 parents e73dfe1 + 5f329e3 commit c52ffa3

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+4
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src/_path.h

Lines changed: 4 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1053,12 +1053,14 @@ char *__append_to_string(char *p, char **buffer, size_t *buffersize,
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return NULL;
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}
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if ((size_t)(p - *buffer) >= *buffersize) {
1056+
char *newbuffer;
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ptrdiff_t diff = p - *buffer;
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*buffersize *= 2;
1058-
*buffer = (char *)realloc(*buffer, *buffersize);
1059-
if (*buffer == NULL) {
1059+
newbuffer = (char *)realloc(*buffer, *buffersize);
1060+
if (newbuffer == NULL) {
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return NULL;
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}
1063+
*buffer = newbuffer;
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p = *buffer + diff;
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}
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