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[liba] Add strlcat

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This commit is contained in:
Romain Goyet
2020-02-13 16:04:39 -05:00
committed by Ecco
parent dc4f43eeb0
commit 02a19fc83d
4 changed files with 22 additions and 0 deletions
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1
liba/src/bridge.c
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@@ -1,5 +1,6 @@
#include <string.h>
#if (__GLIBC__ || __MINGW32__)
#include "strlcat.c"
#include "strlcpy.c"
#endif

19
liba/src/strlcat.c Normal file
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@@ -0,0 +1,19 @@
#include <string.h>
size_t strlcat(char * dst, const char * src, size_t dstSize) {
const size_t srcLen = strlen(src);
size_t dstLen = strlen(dst);
if (dstLen > dstSize) {
dstLen = dstSize;
}
if (dstLen == dstSize) {
return dstSize+srcLen;
}
if (srcLen < dstSize-dstLen) {
memcpy(dst+dstLen, src, srcLen+1);
} else {
memcpy(dst+dstLen, src, dstSize-1);
dst[dstLen+dstSize-1] = 0;
}
return dstLen+srcLen;
}