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indent(1): avoid resetting last_bl to a bogus value when reallocating

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underlying buffer
This commit is contained in:
Piotr Pawel Stefaniak 2018-06-03 17:11:01 +00:00
parent bef613ff2f
commit 7c5f6031fe
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=334571
1 changed files with 7 additions and 2 deletions
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9
usr.bin/indent/indent_globs.h
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@ -67,12 +67,17 @@ FILE *output; /* the output file */
if (e_com >= l_com) { \
int nsize = l_com-s_com+400; \
int com_len = e_com - s_com; \
int blank_pos = last_bl - s_com; \
int blank_pos; \
if (last_bl != NULL) \
blank_pos = last_bl - combuf; \
else \
blank_pos = -1; \
combuf = (char *) realloc(combuf, nsize); \
if (combuf == NULL) \
err(1, NULL); \
e_com = combuf + com_len + 1; \
last_bl = combuf + blank_pos + 1; \
if (blank_pos > 0) \
last_bl = combuf + blank_pos; \
l_com = combuf + nsize - 5; \
s_com = combuf + 1; \
}