version 1.169, 2011/09/18 14:14:15 |
version 1.170, 2011/09/18 23:51:31 |
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/* Maximum number of nested if-else conditionals. */ |
/* Maximum number of nested if-else conditionals. */ |
#define RSTACK_MAX 128 |
#define RSTACK_MAX 128 |
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/* Maximum number of string expansions per line, to break infinite loops. */ |
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#define EXPAND_LIMIT 1000 |
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enum rofft { |
enum rofft { |
ROFF_ad, |
ROFF_ad, |
ROFF_am, |
ROFF_am, |
Line 437 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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Line 440 roff_res(struct roff *r, char **bufp, size_t *szp, int |
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const char *stnam; /* start of the name, after "[(*" */ |
const char *stnam; /* start of the name, after "[(*" */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *cp; /* end of the name, e.g. before ']' */ |
const char *res; /* the string to be substituted */ |
const char *res; /* the string to be substituted */ |
int i, maxl; |
int i, maxl, expand_count; |
size_t nsz; |
size_t nsz; |
char *n; |
char *n; |
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expand_count = 0; |
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again: |
again: |
cp = *bufp + pos; |
cp = *bufp + pos; |
while (NULL != (cp = strchr(cp, '\\'))) { |
while (NULL != (cp = strchr(cp, '\\'))) { |
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*bufp = n; |
*bufp = n; |
*szp = nsz; |
*szp = nsz; |
goto again; |
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if (EXPAND_LIMIT >= ++expand_count) |
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goto again; |
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/* Just leave the string unexpanded. */ |
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mandoc_msg(MANDOCERR_ROFFLOOP, r->parse, ln, pos, NULL); |
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return; |
} |
} |
} |
} |
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