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r2932: character expansion in strlower_m or strupper_m is considered fatal

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(as it could cause a overflow). Print a message giving the character
values involved in the expansion so it can be debugged if it happens.
This commit is contained in:
Andrew Tridgell
2004-10-12 06:12:24 +00:00
committed by Gerald (Jerry) Carter
parent 0acf95d84c
commit 2a6f59f376
1 changed files with 4 additions and 0 deletions
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4
source/lib/util_str.c
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@@ -754,6 +754,8 @@ void strlower_m(char *s)
codepoint_t c = next_codepoint(s, &c_size);
c_size2 = push_codepoint(d, tolower_w(c));
if (c_size2 > c_size) {
DEBUG(0,("FATAL: codepoint 0x%x (0x%x) expanded from %d to %d bytes in strlower_m\n",
c, tolower_w(c), c_size, c_size2));
smb_panic("codepoint expansion in strlower_m\n");
}
s += c_size;
@@ -788,6 +790,8 @@ void strupper_m(char *s)
codepoint_t c = next_codepoint(s, &c_size);
c_size2 = push_codepoint(d, toupper_w(c));
if (c_size2 > c_size) {
DEBUG(0,("FATAL: codepoint 0x%x (0x%x) expanded from %d to %d bytes in strupper_m\n",
c, toupper_w(c), c_size, c_size2));
smb_panic("codepoint expansion in strupper_m\n");
}
s += c_size;