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Fix read_mailmap to handle a caller uninterested in repo abbreviation
The only such a caller builtin-blame.c would pass NULL as the place where to store the abbreviation. Signed-off-by: Alex Riesen <raa.lkml@gmail.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
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@ -17,6 +17,9 @@ int read_mailmap(struct path_list *map, const char *filename, char **repo_abbrev
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int abblen = sizeof(abbrev) - 1;
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int len = strlen(buffer);
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if (!repo_abbrev)
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continue;
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if (len && buffer[len - 1] == '\n')
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buffer[--len] = 0;
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if (!strncmp(buffer, abbrev, abblen)) {
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