Man page - pmstrncat(3)

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Manual

PMSTRNCAT

NAME
C SYNOPSIS
DESCRIPTION
SEE ALSO

NAME

pmstrncat - safe string concatenation

C SYNOPSIS

#include <pcp/pmapi.h>

int pmstrncat(char * dest , size_t destlen , char * src );

cc ... -lpcp

DESCRIPTION

pmstrncat is safe string concatenation routine with semantics similar to strncat (3).

The main differences are that src must be null-byte terminated, destlen is the length of the destination buffer ( dest ) not the length of the source string ( src ), and pmstrncat ensures that dest is null-byte terminated, even when strlen ( src ) is larger than the remaining space in dest ( destlen - strlen ( dest ) on entry).

On success, pmstrncat returns 0, else -1 indicates that src is too big and the result been truncated to ensure dest has no been overrun.