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Code Issues Releases Wiki Activity

Fixed safe_write()

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This commit is contained in:
Klaus Schmidinger 2002-03-23 15:48:08 +01:00
parent 63a3eb076e
commit ef91debc4d
1 changed files with 4 additions and 3 deletions
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7
tools.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and * See the main source file 'vdr.c' for copyright information and
* how to reach the author. * how to reach the author.
* *
* $Id: tools.c 1.60 2002/03/22 15:18:58 kls Exp $ * $Id: tools.c 1.61 2002/03/23 15:48:08 kls Exp $
*/ */
#include "tools.h" #include "tools.h"
@ -33,7 +33,8 @@ ssize_t safe_read(int filedes, void *buffer, size_t size)
ssize_t safe_write(int filedes, const void *buffer, size_t size) ssize_t safe_write(int filedes, const void *buffer, size_t size)
{ {
ssize_t p = -1; ssize_t p = 0;
ssize_t written = size;
const unsigned char *ptr = (const unsigned char *)buffer; const unsigned char *ptr = (const unsigned char *)buffer;
while (size > 0) { while (size > 0) {
p = write(filedes, ptr, size); p = write(filedes, ptr, size);
@ -47,7 +48,7 @@ ssize_t safe_write(int filedes, const void *buffer, size_t size)
ptr += p; ptr += p;
size -= p; size -= p;
} }
return p; return p < 0 ? p : written;
} }
void writechar(int filedes, char c) void writechar(int filedes, char c)