diff options
author | tcsullivan <tullivan99@gmail.com> | 2018-11-17 13:02:57 -0500 |
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committer | tcsullivan <tullivan99@gmail.com> | 2018-11-17 13:02:57 -0500 |
commit | c6ef89664b8c0d7aa85bddd5c7014aa6df82cbe7 (patch) | |
tree | d1f9d09412a46bdf4344fe30392455070a72993d /src/pdclib/functions/string/strcat.c | |
parent | db38c4b9dac461de0ed75bf6d079dacba1b31bc9 (diff) |
added pdclib, removed sash
Diffstat (limited to 'src/pdclib/functions/string/strcat.c')
-rw-r--r-- | src/pdclib/functions/string/strcat.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/pdclib/functions/string/strcat.c b/src/pdclib/functions/string/strcat.c new file mode 100644 index 0000000..18fd409 --- /dev/null +++ b/src/pdclib/functions/string/strcat.c @@ -0,0 +1,46 @@ +/* strcat( char *, const char * ) + + This file is part of the Public Domain C Library (PDCLib). + Permission is granted to use, modify, and / or redistribute at will. +*/ + +#include <string.h> + +#ifndef REGTEST + +char * strcat( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 ) +{ + char * rc = s1; + if ( *s1 ) + { + while ( *++s1 ); + } + while ( (*s1++ = *s2++) ); + return rc; +} + +#endif + +#ifdef TEST + +#include "_PDCLIB_test.h" + +int main( void ) +{ + char s[] = "xx\0xxxxxx"; + TESTCASE( strcat( s, abcde ) == s ); + TESTCASE( s[2] == 'a' ); + TESTCASE( s[6] == 'e' ); + TESTCASE( s[7] == '\0' ); + TESTCASE( s[8] == 'x' ); + s[0] = '\0'; + TESTCASE( strcat( s, abcdx ) == s ); + TESTCASE( s[4] == 'x' ); + TESTCASE( s[5] == '\0' ); + TESTCASE( strcat( s, "\0" ) == s ); + TESTCASE( s[5] == '\0' ); + TESTCASE( s[6] == 'e' ); + return TEST_RESULTS; +} + +#endif |