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0b5ca7c3e5
Copy regex-related files back from Gnulib, to fix a problem with static checking of regex calls noted by Martin Sebor. This merges the following changes: * New macro __attribute_nonnull__ in misc/sys/cdefs.h, for use later when copying other files back from Gnulib. * Use __GNULIB_CDEFS instead of __GLIBC__ when deciding whether to include bits/wordsize.h etc. * Avoid duplicate entries in epsilon closure table. * New regex.h macro _REGEX_NELTS to let regexec say that its pmatch arg should contain nmatch elts. Use that for regexec, instead of __attr_access (which is incorrect). * New regex.h macro _Attr_access_ which is like __attr_access except portable to non-glibc platforms. * Add some DEBUG_ASSERTs to pacify gcc -fanalyzer and to catch recently-fixed performance bugs if they recur. * Add Gnulib-specific stuff to port the dynarray- and lock-using parts of regex code to non-glibc platforms. * Fix glibc bug 11053. * Avoid some undefined behavior when popping an empty fail stack.
51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
#ifndef _REGEX_H
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#include <posix/regex.h>
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#ifndef _ISOMAC
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/* Document internal interfaces. */
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extern reg_syntax_t __re_set_syntax (reg_syntax_t syntax);
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extern const char *__re_compile_pattern (const char *pattern, size_t length,
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struct re_pattern_buffer *buffer);
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extern int __re_compile_fastmap (struct re_pattern_buffer *buffer)
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attribute_hidden;
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extern int __re_search (struct re_pattern_buffer *buffer, const char *string,
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int length, int start, int range,
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struct re_registers *regs);
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extern int __re_search_2
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(struct re_pattern_buffer *buffer, const char *string1,
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int length1, const char *string2, int length2,
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int start, int range, struct re_registers *regs, int stop);
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extern int __re_match
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(struct re_pattern_buffer *buffer, const char *string,
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int length, int start, struct re_registers *regs);
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extern int __re_match_2
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(struct re_pattern_buffer *buffer, const char *string1,
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int length1, const char *string2, int length2,
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int start, struct re_registers *regs, int stop);
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extern void __re_set_registers
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(struct re_pattern_buffer *buffer, struct re_registers *regs,
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unsigned num_regs, regoff_t *starts, regoff_t *ends);
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extern int __regcomp (regex_t *__preg, const char *__pattern, int __cflags);
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libc_hidden_proto (__regcomp)
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extern int __regexec (const regex_t *__preg, const char *__string,
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size_t __nmatch, regmatch_t __pmatch[__nmatch],
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int __eflags);
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libc_hidden_proto (__regexec)
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extern size_t __regerror (int __errcode, const regex_t *__preg,
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char *__errbuf, size_t __errbuf_size);
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extern void __regfree (regex_t *__preg);
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libc_hidden_proto (__regfree)
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#endif
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#endif
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