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/stdio/perror.c | |
parent | db38c4b9dac461de0ed75bf6d079dacba1b31bc9 (diff) |
added pdclib, removed sash
Diffstat (limited to 'src/pdclib/functions/stdio/perror.c')
-rw-r--r-- | src/pdclib/functions/stdio/perror.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/pdclib/functions/stdio/perror.c b/src/pdclib/functions/stdio/perror.c new file mode 100644 index 0000000..dd6633c --- /dev/null +++ b/src/pdclib/functions/stdio/perror.c @@ -0,0 +1,58 @@ +/* perror( 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 <stdio.h> +#include <errno.h> +#include <locale.h> + +#ifndef REGTEST + +/* TODO: Doing this via a static array is not the way to do it. */ +void perror( const char * s ) +{ + if ( ( s != NULL ) && ( s[0] != '\n' ) ) + { + fprintf( stderr, "%s: ", s ); + } + if ( errno >= _PDCLIB_ERRNO_MAX ) + { + fprintf( stderr, "Unknown error\n" ); + } + else + { + fprintf( stderr, "%s\n", _PDCLIB_lc_messages.errno_texts[errno] ); + } + return; +} + +#endif + +#ifdef TEST + +#include "_PDCLIB_test.h" + +#include <stdlib.h> +#include <string.h> +#include <limits.h> + +int main( void ) +{ + FILE * fh; + unsigned long long max = ULLONG_MAX; + char buffer[100]; + sprintf( buffer, "%llu", max ); + TESTCASE( ( fh = freopen( testfile, "wb+", stderr ) ) != NULL ); + TESTCASE( strtol( buffer, NULL, 10 ) == LONG_MAX ); + perror( "Test" ); + rewind( fh ); + TESTCASE( fread( buffer, 1, 7, fh ) == 7 ); + TESTCASE( memcmp( buffer, "Test: ", 6 ) == 0 ); + TESTCASE( fclose( fh ) == 0 ); + TESTCASE( remove( testfile ) == 0 ); + return TEST_RESULTS; +} + +#endif |