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lizhenlin
27 lines
1.2 KiB
Plaintext
27 lines
1.2 KiB
Plaintext
.TH ELF_ERRMSG 3 2024-06-24 "Libelf" "Libelf Programmer's Manual"
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.SH NAME
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elf_errmsg \- return the error message string for a given libelf error code.
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.SH SYNOPSIS
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.B #include <libelf.h>
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.BI "const char *elf_errmsg(int " err ");"
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.SH DESCRIPTION
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The \fBelf_errmsg\fP function retrieves a human-readable string corresponding to the most recent error code set by a libelf library function. If \fIerr\fP is 0, the function returns the error message for the most recent error code. If \fIerr\fP is non-zero, the function returns the error message for the specified error code.
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.SH PARAMETERS
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.TP
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.I err
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An \fIint\fP value specifying the error code. If this value is 0, the function returns the error message for the most recent error or NULL if none occurred. If this value is -1, the behaviour is similar to the previous case except that a legal string will be returned instead of NULL.
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.SH RETURN VALUE
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The \fBelf_errmsg\fP function returns a string containing the error message. If there is no corresponding error message, it returns NULL.
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.SH SEE ALSO
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.BR elf_errno (3)
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.SH REPORTING BUGS
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Report bugs to <elfutils-devel@sourceware.org> or https://sourceware.org/bugzilla/.
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