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WINGs: Simplify function wstrconcat

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Because we have allocated enough space, it is a waste of time to check the
size after copy and cat; beside the use of plain strxxx functions may allow
compiler to make a better job.
This commit is contained in:
Christophe CURIS
2021-09-04 19:05:26 +02:00
committed by Carlos R. Mafra
parent d4cc033379
commit a41b0aa21d
1 changed files with 5 additions and 7 deletions
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12
WINGs/string.c
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@@ -204,7 +204,7 @@ char *wstrndup(const char *str, size_t len)
char *wstrconcat(const char *str1, const char *str2)
{
char *str;
size_t slen;
size_t slen, slen1;
if (!str1 && str2)
return wstrdup(str2);
@@ -213,13 +213,11 @@ char *wstrconcat(const char *str1, const char *str2)
else if (!str1 && !str2)
return NULL;
slen = strlen(str1) + strlen(str2) + 1;
slen1 = strlen(str1);
slen = slen1 + strlen(str2) + 1;
str = wmalloc(slen);
if (wstrlcpy(str, str1, slen) >= slen ||
wstrlcat(str, str2, slen) >= slen) {
wfree(str);
return NULL;
}
strcpy(str, str1);
strcpy(str + slen1, str2);
return str;
}