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66aea0b5df
While all of elfutils does not build with clang, the libelf part does and is needed by ltrace. So keep libelf as a package and let it replace elfutils for now.
26 lines
861 B
C
26 lines
861 B
C
#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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/* program_invocation_short_name GNU extension - http://linux.die.net/man/3/program_invocation_short_name */
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extern char* __progname;
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#define program_invocation_short_name __progname
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/* error(3) GNU extension - http://man7.org/linux/man-pages/man3/error.3.html */
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unsigned int error_message_count;
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static inline void error(int status, int errnum, const char* format, ...) {
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error_message_count++;
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va_list myargs;
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va_start(myargs, format);
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vfprintf(stderr, format, myargs);
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va_end(myargs);
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exit(status);
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}
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/* strchrnul(3) GNU extension - http://man7.org/linux/man-pages/man3/strchr.3.html */
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static inline char* strchrnul(char const* s, int c)
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{
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char* result = strchr(s, c);
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return (result == NULL) ? (char*)(s + strlen(s)) : result;
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}
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