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Added program_invocation_name(3), error(3), and perror(3) and used them.

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This commit is contained in:
Jonas 'Sortie' Termansen 2011-11-26 11:00:45 +01:00
parent 867627c085
commit d4231b2027
15 changed files with 110 additions and 36 deletions
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11
utils/editor.cpp
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@ -3,6 +3,7 @@
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <error.h>
#include <libmaxsi/platform.h>
#include <libmaxsi/sortix-keyboard.h>
@ -202,7 +203,7 @@ unsigned confirmquit()
bool savetofile(const char* path)
{
int fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0777);
if ( fd < 0 ) { printf("%s: %s\n", path, strerror(errno)); return false; }
if ( fd < 0 ) { error(0, errno, "%s", path); return false; }
for ( unsigned y = 0; y < numlines; y++ )
{
@ -210,10 +211,10 @@ bool savetofile(const char* path)
buffers[y][len] = '\n';
bool result = !writeall(fd, buffers[y], len+1);
buffers[y][len] = 0;
if ( !result ) { printf("%s: %s\n", path, strerror(errno)); close(fd); return false; }
if ( !result ) { error(0, errno, "write: %s", path); close(fd); return false; }
}
if ( close(fd) ) { printf("%s: %s\n", path, strerror(errno)); return false; }
if ( close(fd) ) { error(0, errno, "close: %s", path); return false; }
return true;
}
@ -277,7 +278,7 @@ retry:
bool loadfromfile(const char* path)
{
int fd = open(path, O_RDONLY, 0777);
if ( fd < 0 ) { printf("%s: %s\n", path, strerror(errno)); return false; }
if ( fd < 0 ) { error(0, errno, "%s", path); return false; }
clearbuffers();
@ -288,7 +289,7 @@ bool loadfromfile(const char* path)
while ( !done )
{
ssize_t bytesread = read(fd, buffer, BUFFER_SIZE);
if ( bytesread < 0 ) { printf("%s: %s\n", path, strerror(errno)); close(fd); return false; }
if ( bytesread < 0 ) { error(0, errno, "read: %s", path); close(fd); return false; }
if ( bytesread == 0 ) { break; }
for ( ssize_t i = 0; i < bytesread; i++ )
{