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Merge pull request #2769 from colinleroy/add-strndup

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Add strndup
This commit is contained in:
Bob Andrews
2025-07-04 17:01:28 +02:00
committed by GitHub
parent 14eae07a8c 90e1ac374b
commit fd973cd544
6 changed files with 199 additions and 0 deletions
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31
doc/funcref.sgml
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@@ -785,6 +785,7 @@ communication, see also <tt>testcode/lib/ser-test.c</tt>.
<item><ref id="strcpy" name="strcpy">
<item><ref id="strcspn" name="strcspn">
<item><ref id="strdup" name="strdup">
<item><ref id="strndup" name="strndup">
<item><ref id="strerror" name="strerror">
<item><ref id="stricmp" name="stricmp">
<item><ref id="strlen" name="strlen">
@@ -5621,6 +5622,7 @@ be used in presence of a prototype.
<ref id="free" name="free">,
<ref id="realloc" name="realloc">,
<ref id="strdup" name="strdup">
<ref id="strndup" name="strndup">
<tag/Example/None.
</descrip>
</quote>
@@ -7774,6 +7776,35 @@ be used in presence of a prototype.
<tag/See also/
<ref id="free" name="free">,
<ref id="malloc" name="malloc">
<ref id="strndup" name="strndup">
<tag/Example/None.
</descrip>
</quote>
<sect1>strndup<label id="strndup"><p>
<quote>
<descrip>
<tag/Function/Allocate a copy of a string on the heap, of a given maximum length.
<tag/Header/<tt/<ref id="string.h" name="string.h">/
<tag/Declaration/<tt/char* __fastcall__ strndup (const char* s, size_t maxlen);/
<tag/Description/<tt/strndup/ allocates a memory block on the heap, big enough
to hold a copy of <tt/s/ including the terminating zero. If the allocation
fails, <tt/NULL/ is returned, otherwise <tt/s/ is copied into the allocated
memory block, maxlen characters are kept, and a pointer to the block is returned.
<tag/Notes/<itemize>
<item>The function is only available as fastcall function, so it may only
be used in presence of a prototype.
<item>It is up to the caller to free the allocated memory block.
</itemize>
<tag/Availability/ISO 9899
<tag/See also/
<ref id="free" name="free">,
<ref id="malloc" name="malloc">
<ref id="strndup" name="strndup">
<tag/Example/None.
</descrip>
</quote>