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Replace all occurences of exit() in potential library code

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by appropriate return values.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1301 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2014-05-16 15:52:25 +00:00
parent 2eec999cdb
commit 57903bdeb8
26 changed files with 257 additions and 166 deletions
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26
butterfly.c
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@@ -92,7 +92,7 @@ static int butterfly_recv(PROGRAMMER * pgm, char * buf, size_t len)
fprintf(stderr,
"%s: butterfly_recv(): programmer is not responding\n",
progname);
exit(1);
return -1;
}
return 0;
}
@@ -104,7 +104,7 @@ static int butterfly_drain(PROGRAMMER * pgm, int display)
}
static void butterfly_vfy_cmd_sent(PROGRAMMER * pgm, char * errmsg)
static int butterfly_vfy_cmd_sent(PROGRAMMER * pgm, char * errmsg)
{
char c;
@@ -112,8 +112,9 @@ static void butterfly_vfy_cmd_sent(PROGRAMMER * pgm, char * errmsg)
if (c != '\r') {
fprintf(stderr, "%s: error: programmer did not respond to command: %s\n",
progname, errmsg);
exit(1);
return -1;
}
return 0;
}
@@ -155,7 +156,8 @@ static int butterfly_vfy_led(PROGRAMMER * pgm, int value)
static int butterfly_chip_erase(PROGRAMMER * pgm, AVRPART * p)
{
butterfly_send(pgm, "e", 1);
butterfly_vfy_cmd_sent(pgm, "chip erase");
if (butterfly_vfy_cmd_sent(pgm, "chip erase") < 0)
return -1;
return 0;
}
@@ -248,7 +250,7 @@ static int butterfly_initialize(PROGRAMMER * pgm, AVRPART * p)
if ( c != 'M' && c != '?')
{
fprintf(stderr, "\nConnection FAILED.");
exit(1);
return -1;
}
else
{
@@ -317,7 +319,7 @@ static int butterfly_initialize(PROGRAMMER * pgm, AVRPART * p)
fprintf(stderr,
"%s: error: buffered memory access not supported. Maybe it isn't\n"\
"a butterfly/AVR109 but a AVR910 device?\n", progname);
exit(1);
return -1;
};
butterfly_recv(pgm, &c, 1);
PDATA(pgm)->buffersize = (unsigned int)(unsigned char)c<<8;
@@ -355,7 +357,8 @@ static int butterfly_initialize(PROGRAMMER * pgm, AVRPART * p)
buf[1] = devtype_1st;
butterfly_send(pgm, buf, 2);
butterfly_vfy_cmd_sent(pgm, "select device");
if (butterfly_vfy_cmd_sent(pgm, "select device") < 0)
return -1;
if (verbose)
fprintf(stderr,
@@ -490,7 +493,8 @@ static int butterfly_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
return -1;
butterfly_send(pgm, cmd, size);
butterfly_vfy_cmd_sent(pgm, "write byte");
if (butterfly_vfy_cmd_sent(pgm, "write byte") < 0)
return -1;
return 0;
}
@@ -619,7 +623,8 @@ static int butterfly_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
#if 0
usleep(1000000);
butterfly_send(pgm, "y", 1);
butterfly_vfy_cmd_sent(pgm, "clear LED");
if (butterfly_vfy_cmd_sent(pgm, "clear LED") < 0)
return -1;
#endif
cmd = malloc(4+blocksize);
@@ -636,7 +641,8 @@ static int butterfly_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
cmd[2] = blocksize & 0xff;
butterfly_send(pgm, cmd, 4+blocksize);
butterfly_vfy_cmd_sent(pgm, "write block");
if (butterfly_vfy_cmd_sent(pgm, "write block") < 0)
return -1;
addr += blocksize;
} /* while */