tsiry-sandratraina.com
A modern Music Player Daemon based on Rockbox open source high quality audio player
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
logf: Fix two issues with logf_panic_dump()
* It had a (read) buffer overflow when dumping the stuff on the back half of the buffer
* a highly questionable code construct was nuked
Change-Id: I7f6f119524fc2095f788fc9b3d356459955d3ace
+1
-1
firmware/export/logf.h
+1
-1
firmware/export/logf.h
+8
-3
firmware/logf.c
+8
-3
firmware/logf.c
···
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#ifdef ROCKBOX_HAS_LOGF
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#ifndef __PCTOOL__
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-
unsigned char logfbuffer[MAX_LOGF_SIZE];
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+
unsigned char logfbuffer[MAX_LOGF_SIZE + 1];
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int logfindex;
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bool logfwrap;
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bool logfenabled = true;
···
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return;
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}
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+
/* Explicitly null-terminate our buffer */
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+
logfbuffer[MAX_LOGF_SIZE] = 0;
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+
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lcd_puts(1, (*y)++, "start of logf data");
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lcd_update();
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+
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+
/* The intent is to dump the newest log entries first! */
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i = logfindex - 2; /* The last actual characer (i.e. not '\0') */
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-
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while(i >= 0)
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{
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while(logfbuffer[i] != 0 && i>=0)
···
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}
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if(strlen( &logfbuffer[i + 1]) > 0)
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{
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-
lcd_putsf(1, (*y)++, "%*s", (MAX_LOGF_SIZE-i) &logfbuffer[i + 1]);
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+
lcd_putsf(1, (*y)++, "%*s", &logfbuffer[i + 1]);
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lcd_update();
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}
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}
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i--;
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}
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+
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lcd_puts(1, (*y)++, "end of logf data");
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lcd_update();
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}