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239c2bf93e
* libc/misc/unctrl.c: Replace FUNCTION description.
* libc/signal/signal.c: Remove documentation for raise and _raise_r.
* libc/stdio/getdelim.c: Fix spelling errors.
* libc/stdio/getw.c: Put RETURNS on a separate line. Fix punctuation.
* libc/stdio/putw.c: Likewise.
* libc/stdlib/a64l.c: Fix formatting, spelling and punctuation in
documentation.
* libc/stdlib/assert.c: Do not capitalize FUNCTION description.
* libc/stdlib/efgcvt.c: Add spaces to FUNCTION description.
* libc/stdlib/envlock.c: Use em-dash in FUNCTION description.
* libc/stdlib/mlock.c: Likewise.
* libc/stdlib/mstats.c: Likewise.
* libc/time/tzlock.c: Likewise.
* libc/stdlib/rand.c: Use "multi-threaded" and "thread-safe" in NOTES.
* libc/stdlib/rand48.c: Remove extra space in FUNCTION description
and hyphenate "pseudo-random".
* libc/string/bcmp.c: Remove extra blank lines in documentation.
* libc/string/strncat.c: Likewise.
* libc/string/memchr.c: Remove extra ">" character in documentation.
* libc/string/strcspn.c: Use "characters" instead of "chars".
* libc/string/strpbrk.c: Likewise.
* libc/string/strerror_r.c: Capitalize "GNU".
* libc/string/strnlen.c: Likewise.
* libc/string/strtok.c: Fix formatting, spelling and punctuation in
documentation. Use "multi-threaded" and "thread-safe" in NOTES.
* libc/string/wcscat.c: Split PORTABILITY into two paragraphs.
* libc/string/wcschr.c: Likewise.
* libc/string/wcscmp.c: Likewise.
* libc/string/wcscpy.c: Likewise.
* libc/string/wcscspn.c: Likewise.
* libc/string/wcslen.c: Likewise.
* libc/string/wcsncat.c: Likewise.
* libc/string/wcsncmp.c: Likewise.
* libc/string/wcsncpy.c: Likewise.
* libc/string/wcsnlen.c: Likewise.
* libc/string/wcspbrk.c: Likewise.
* libc/string/wcsrchr.c: Likewise.
* libc/string/wcsspn.c: Likewise.
* libc/string/wmemchr.c: Likewise.
* libc/string/wmemcmp.c: Likewise.
* libc/string/wmemcpy.c: Likewise.
* libc/string/wmemset.c: Likewise.
* libc/string/wmemmove.c: Likewise. Also fix FUNCTION description.
* libc/string/wcswidth.c: Formatting and punctuation in documentation.
* libc/string/wcwidth.c: Likewise.
* libm/common/s_modf.c: Remove extra period from documentation.
* libm/math/s_isnan.c: Fix formatting, grammar and punctuation in
documentation.
* libm/mathfp/s_isnan.c: Likewise.
* libm/math/s_ldexp.c: Fix punctuation.
* libm/mathfp/s_ldexp.c: Likewise.
* libm/math/w_log.c: Likewise.
* libm/mathfp/s_logarithm.c: Likewise.
* libm/math/w_j0.c: Add spaces to FUNCTION description.
* libm/mathfp/w_jn.c: Likewise.
63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
/*
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FUNCTION
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<<assert>>---macro for debugging diagnostics
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INDEX
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assert
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ANSI_SYNOPSIS
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#include <assert.h>
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void assert(int <[expression]>);
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TRAD_SYNOPSIS
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#include <assert.h>
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assert(<[expression]>)
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int <[expression]>;
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DESCRIPTION
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Use this macro to embed debuggging diagnostic statements in
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your programs. The argument <[expression]> should be an
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expression which evaluates to true (nonzero) when your program
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is working as you intended.
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When <[expression]> evaluates to false (zero), <<assert>>
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calls <<abort>>, after first printing a message showing what
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failed and where:
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. Assertion failed: <[expression]>, file <[filename]>, line <[lineno]>
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The macro is defined to permit you to turn off all uses of
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<<assert>> at compile time by defining <<NDEBUG>> as a
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preprocessor variable. If you do this, the <<assert>> macro
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expands to
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. (void(0))
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RETURNS
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<<assert>> does not return a value.
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PORTABILITY
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The <<assert>> macro is required by ANSI, as is the behavior
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when <<NDEBUG>> is defined.
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Supporting OS subroutines required (only if enabled): <<close>>, <<fstat>>,
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<<getpid>>, <<isatty>>, <<kill>>, <<lseek>>, <<read>>, <<sbrk>>, <<write>>.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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void
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_DEFUN (__assert, (file, line, failedexpr),
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const char *file _AND
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int line _AND
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const char *failedexpr)
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{
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(void)fiprintf(stderr,
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"assertion \"%s\" failed: file \"%s\", line %d\n",
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failedexpr, file, line);
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abort();
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/* NOTREACHED */
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}
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