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Added SB_Compare

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3153 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2004-07-11 11:13:10 +00:00
parent 38fe19a1a3
commit 725afdee94
2 changed files with 30 additions and 3 deletions
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28
src/common/strbuf.c
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@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2001-2003 Ullrich von Bassewitz */
/* (C) 2001-2004 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -202,7 +202,7 @@ void SB_AppendChar (StrBuf* B, int C)
if (NewLen > B->Allocated) {
SB_Realloc (B, NewLen);
}
B->Buf[B->Len] = (char) C;
B->Buf[B->Len] = (char) C;
B->Len = NewLen;
}
@ -302,3 +302,27 @@ void SB_Move (StrBuf* Target, StrBuf* Source)
int SB_Compare (const StrBuf* S1, const StrBuf* S2)
/* Do a lexical compare of S1 and S2. See strcmp for result codes. */
{
int Result;
if (S1->Len < S2->Len) {
Result = memcmp (S1->Buf, S2->Buf, S1->Len);
if (Result == 0) {
/* S1 considered lesser because it's shorter */
Result = -1;
}
} else if (S1->Len > S2->Len) {
Result = memcmp (S1->Buf, S2->Buf, S2->Len);
if (Result == 0) {
/* S2 considered lesser because it's shorter */
Result = 1;
}
} else {
Result = memcmp (S1->Buf, S2->Buf, S1->Len);
}
return Result;
}

5
src/common/strbuf.h
View file

@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2001-2003 Ullrich von Bassewitz */
/* (C) 2001-2004 Ullrich von Bassewitz */
/* Römerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -343,6 +343,9 @@ void SB_Move (StrBuf* Target, StrBuf* Source);
* contents of Target, and Source will be empty after the call.
*/
int SB_Compare (const StrBuf* S1, const StrBuf* S2);
/* Do a lexical compare of S1 and S2. See strcmp for result codes. */
/* End of strbuf.h */